CN204187642U - Spreading burner - Google Patents

Abstract

The utility model discloses a diffuse combustion device, which comprises: a fluid sealer with a nitrogen port and an inner cavity, a main burner arranged above the fluid sealer and connected inside, and an accompanying burning unit arranged on the main burner , and a number of constant light components arranged on the periphery of the heating unit and communicated with the inner cavity. The utility model can fully burn a large amount of low calorific value diffused gas, thereby greatly reducing environmental pollution and greatly improving the pollution of gas to the surrounding environment, and can realize and meet the requirements of GB1617-1996 mandatory environmental protection standard.

Description

Diffuser

technical field

The utility model relates to a diffuse combustion device.

Background technique

With the continuous enhancement of my country's comprehensive national strength, the steady development of the national economy, and the continuous improvement of infrastructure, my country has become the world's largest steel producer and a big steel consumer. Converter steelmaking is an important part of steel production, and a large amount of flammable, toxic and combustible converter gas and other polluting tail gases will be produced during the converter production process. When a large amount of flammable, toxic, and corrosive gases cannot be recycled, in order to avoid polluting the environment, a release combustion device must be installed to deal with these flammable, explosive or toxic industrial waste gases and tail gases, and corresponding safety measures must be equipped.

Utility model content

Aiming at the existing structure, the purpose of the utility model is to provide a diffuse combustion device on the basis of the original one, which is convenient for repair and maintenance, reliable in operation, and avoids polluting the environment.

In order to achieve the above object, the utility model is achieved through the following technical solutions: a diffuse combustion device, which includes: a fluid sealer with a nitrogen port and an inner cavity, a main combustion chamber arranged above the fluid sealer and connected internally The burner, the burning unit arranged on the main burner, and several constant light components arranged on the periphery of the burning unit and communicated with the inner cavity.

On the basis of the above-mentioned technical solutions, the following subsidiary technical solutions are further included:

The main burner includes a combustion chamber with an inlet and an outlet, a plurality of vertically stacked baffles arranged in the combustion chamber at intervals, and a support frame arranged outside and supporting the burning unit.

The burning unit includes a bottom pipe, one end of which is arranged on the bottom pipe and several nozzles connected inside, a positioning plate for fixing the other ends of the nozzles, and a positioning plate arranged between the bottom pipe and the positioning plate for fixing the fixing frame.

It further includes a windshield arranged on the outside of the main burner and covering the burning unit, wherein the bottom of the windshield is provided with several ribs extending toward the center.

The always-on lamp assembly includes a conductive rod, a connecting pipe located downstream of the inner cavity, a nut located at the top of the conductive rod, a housing that communicates with the connecting pipe and fixes the conductive rod through the nut and has a cavity inside, is arranged in the cavity and is connected with the The ignition nozzle electrically connected with the conductive rod, the burner connected with the cavity, and the flame cover arranged outside the burner and having several through holes.

The ignition nozzle and the connecting pipe are far away from and isolated from each other, and are respectively located on both sides of the cavity with the burner, the centerline of the connecting pipe is parallel to the centerline of the ignition nozzle, the centerline of the connecting pipe is parallel to Centerlines intersect at an obtuse angle.

The burning unit further includes an input pipe connected to the input of the bottom pipe and located downstream of the inner cavity, and the fixing frame includes a connecting rod, a lower connecting rod with one end connected to the connecting rod and the other end connected to the bottom pipe, and a connecting rod connected at one end to the bottom pipe. The upper connecting rod that the rod is connected with and the other end is connected with the positioning plate.

The utility model can fully burn a large amount of low calorific value diffused gas, thereby greatly reducing environmental pollution, greatly improving the pollution of gas to the surrounding environment, and can realize and meet the requirements of GB1617-1996 mandatory environmental protection standard.

Description of drawings

The utility model is described in detail below in conjunction with accompanying drawing and specific embodiment;

Fig. 1 is the front view of the utility model.

Fig. 2 is a top view of the utility model.

Fig. 3 is a perspective view of the main burner in the utility model.

FIG. 4 is an internal structure diagram of FIG. 3 .

Fig. 5 is a perspective view of the burning unit in the utility model.

Fig. 6 is the front view of the burning unit in the utility model.

Fig. 7 is a top view of the burning unit in the utility model.

Fig. 8 is a front view of the windshield in the utility model.

Fig. 9 is a front view of the permanent light assembly in the present utility model.

Fig. 10 is a perspective view of an always-on lamp assembly in the present invention.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

Referring to Figures 1-10, the utility model provides a specific embodiment of a diffuse combustion device, which includes: a fluid sealer 10 with a nitrogen port 12 and an inner cavity, a fluid sealer 10 arranged above the fluid sealer 10 and connected internally The main burner 20 , the auxiliary burning unit 30 arranged on the main burner 20 , and several constant-light lamp assemblies 50 arranged on the periphery of the auxiliary burning unit 30 and communicated with the inner cavity. Converter gas is stored in the inner cavity, and the fluid sealer 10 uses nitrogen as a sealing medium to prevent flashback and explosion.

The main burner 20 can fully burn a large amount of low calorific value diffused converter gas from the fluid sealer 10, which includes a combustion chamber 22 with an inlet 220 and an outlet 222, vertically stacked and spaced apart combustion chambers 22 A plurality of baffles 24 and a support frame 26 arranged on the outside and supporting the heating unit 30 . The supporting frame 26 includes several supporting points arranged in a circle. The baffle plate 24 is in the form of a hollow truncated cone with a small upper end and a larger lower end, and both upper and lower ends are open. The area of the inlet 220 is larger than the area of the outlet 222 .

The burning unit 30 is used to completely combust the low calorific value exhaust gas, which includes an annular bottom pipe 32 that can be placed on the support frame 26, an input pipe connected to the input of the bottom pipe 32 and located downstream of the inner cavity 33. One end is arranged on the bottom pipe 32 and is internally connected with several spray pipes 34 arranged at circumferential intervals, a positioning plate 36 for fixing the other ends of the spray pipes 34, and a positioning plate 36 arranged between the bottom pipe 32 and the positioning plate 36 and For fixing mount 38. The spray pipe 34 is provided with a nozzle 340 at its top, and the extending direction of the nozzle 340 intersects with the center line of the bottom pipe 32 at an angle. The lower connecting rod 382 and one end are connected with the connecting rod 380 and the other end is connected with the upper connecting rod 384 of the positioning plate 36, wherein the number of the upper and lower connecting rods 384, 382 is single or multiple, and the upper connecting rod 384 It intersects with the connecting rod 380 to form a first included angle, while the lower connecting rod 382 intersects with the connecting rod 380 to form a second included angle. Preferably, the first included angle is smaller than the second included angle, and the extending direction of the connecting rod 380 is in line with that of the bottom tube 32 The centerlines intersect to form an acute angle.

Preferably, it further includes a windshield 40 arranged on the outside of the main burner 20 and covering the burning unit 30, wherein the bottom of the windshield 40 is provided with several ribs 42 extending toward the center, and the ribs 42 are arranged at intervals. Several air inlets, the windshield 40 inhales part of the air, and at the same time makes the mixed gas stay in the combustion chamber composed of the windshield 40, the main burner 20, and the burning unit 30 for a period of time, stabilizing the flame and making it not affected by the external environment . The connecting rod 380 is bolted to the windshield 40 .

The always-on lamp assembly 50 should be ignited at other times except that it is extinguished when the furnace is shut down for maintenance. Mainly when the temperature is low, the fuel gas leaked in the furnace can be burned to prevent the formation of an explosive mixture, which includes a high-voltage conductive conductive rod 51, a connecting pipe 52 located downstream of the inner cavity for inputting converter gas, and a top end of the conductive rod 51. The nut 53 communicates with the connecting pipe 52 and fixes the conductive rod 51 through the nut 53 and has a housing 54 with a cavity 57 inside, the ignition nozzle 55 that is arranged in the cavity 57 and is electrically connected with the conductive rod 51, and the cavity 57 is connected to the burner 56, and the flame cover 58 that is arranged on the outside of the burner 56 and has several through holes. Wherein the ignition nozzle 55 and the nozzle 52 are far away from and isolated from each other, and are respectively located on both sides of the cavity 57 with the burner 56. The centerlines intersect at an obtuse angle. Burner 56 multi-stage ignition, large energy, high heat, can adapt to various weather conditions, solve the traditional device ignition difficulties or the torch is blown out by the natural wind, avoiding the disadvantages of workers climbing to an altitude of more than 80 meters to manually ignite.

Preferably, a thermocouple is further installed on the windshield 40 and the burning unit 30 to transmit the temperature signal to the operation room, so that the operator can detect the temperature of the main burner 20 and the bottom pipe 32 during combustion, and at the same time, it is convenient for the operation room to judge Whether the exhaust gas is ignited.

The utility model can fully burn a large amount of low calorific value diffused gas, thereby greatly reducing environmental pollution, greatly improving the pollution of gas to the surrounding environment, and can realize and meet the requirements of GB1617-1996 mandatory environmental protection standard.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (7)

1. a kind of diffuse combustion device is characterized in that it comprises: the fluid sealer (10) that has nitrogen port (12) and inner chamber, is arranged on fluid sealer (10) top and the main burner (20 that internal communication ), a burner unit (30) arranged on the main burner (20), and several constant light assemblies (50) arranged on the periphery of the burner unit (30) and communicated with the inner cavity. 2. A kind of diffuse combustion device as claimed in claim 1, characterized in that: the main burner (20) includes a combustion chamber (22) with an inlet (220) and an outlet (222), vertically stacked and mutually A plurality of baffles (24) arranged at intervals in the combustion chamber (22), and a support frame (26) arranged outside and supporting the burning unit (30). 3. A diffuse combustion device as claimed in claim 2, characterized in that: said burning unit (30) comprises a bottom pipe (32), one end of which is arranged on the bottom pipe (32) and a number of internally connected Spray pipes (34), positioning plates (36) for fixing the other ends of the spray pipes (34), and fixing brackets (38) arranged between the bottom pipe (32) and the positioning plates (36) and used for fixing. 4. A kind of diffuse combustion device as claimed in claim 3, is characterized in that: it further comprises the windshield (40) that is arranged on the outside of main burner (20) and shields burning unit (30), wherein windshield ( 40) The bottom is provided with several ribs (42) extending toward the center. 5. A decomposing combustion device as claimed in claim 1 or 2 or 3 or 4, characterized in that: the permanent light assembly (50) comprises a conductive rod (51), and a connecting pipe (52) located downstream of the inner cavity , the nut (53) positioned at the top of the conductive rod (51), the casing (54) that communicates with the connecting pipe (52) and fixes the conductive rod (51) through the nut (53) and has a cavity (57) inside, is arranged on The ignition nozzle (55) in the cavity (57) and electrically connected to the conductive rod (51), the burner (56) communicated with the cavity (57), and the burner (56) outside the burner (56) with several A through-hole flame shield (58). 6. A diffuse combustion device as claimed in claim 5, characterized in that: the ignition nozzle (55) and the connecting pipe (52) are separated from and isolated from each other, and are respectively located in the cavity (57) with the burner (56). The center line of the connecting pipe (52) and the center line of the ignition nozzle (55) are parallel to each other, and the center line of the connecting pipe (52) intersects with the center line of the burner (56) to form an obtuse angle. 7. A kind of diffuse combustion device as claimed in claim 3, it is characterized in that: described burning unit (30) further comprises the input pipe (33) that is connected with the input of bottom pipe (32) and is positioned at inner cavity downstream, And fixed mount (38) comprises connecting rod (380), one end links to each other with connecting rod (380) and the lower connecting rod (382) that the other end links to each other with bottom pipe (32), and one end links to each other with connecting rod (380) and the other The upper connecting rod (384) that one end links to each other with positioning plate (36).