CN212870702U - Rotary furnace burden material spraying device - Google Patents

Abstract

The utility model discloses a rotary furnace charge spouts material device belongs to rotary furnace technical field, including the swivelling joint pipe, the one side of swivelling joint pipe is passed through the swivelling joint pipe, sealing flange and retaining ring are connected with outer tuber pipe, when spouting the material, the material that will proportion, pass through spiral air conveying pump with nitrogen gas, send into the stove through material wind channel ration, center wind channel lets in nitrogen gas, prevent that the shower nozzle temperature is too high, and play the stationary flow effect, nitrogen gas can participate in the reaction simultaneously, inboard whirl wind channel lets in nitrogen gas, the whirl wind that nitrogen gas produced through the cyclone in whirl wind gap mixes with the material collision, make the whirl wind bring the high-speed spiral of material to go forward, even spout in the stove, the size of air input and feed quantity is adjusted to the accessible butterfly valve simultaneously, adjust the distance that the material went into the stove, make the material better fall into the optimum.

Description

Rotary furnace burden material spraying device

Technical Field

The utility model relates to a rotary furnace technical field specifically is a rotary furnace charge spouts material device.

Background

Lime nitrogen, a mixture of calcium cyanamide, calcium oxide and other insoluble impurities. The molecular formula is as follows: CaCN2 is gray black and has special odor. Is an alkaline fertilizer, is one of the main raw materials of high-efficiency low-toxicity pesticide, can be used as herbicide, bactericide, pesticide and the like, and can be used for producing dicyandiamide, melamine, cyanide melt and the like.

The existing lime nitrogen production modes are divided into two production modes, the rotary furnace production technology is the most advanced in the two production modes, the process is improved and optimized aiming at the lime nitrogen rotary furnace point furnace material spraying process, the original lime nitrogen rotary furnace material spraying mode is mostly screw conveying feeding, single-pipeline material spraying feeding, double (multiple) pipeline direct material spraying, the original material spraying process has the defects that the single material spraying and the oil spraying are two systems, the material and gas mixing is uneven, the nitrogen content of a product is not fully influenced by nitridation reaction, the dust is large due to poor sealing, and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary furnace charge spouts material device to it spouts material and oil spout to provide in solving above-mentioned background art and spouts material technology function singleness and be two sets of systems, and material gas mixes unevenly, the not abundant influence product nitrogen content of nitrogenize reaction, and is sealed not good to lead to the problem of the big class defect of dust.

In order to achieve the above object, the utility model provides a following technical scheme: a rotary furnace burden material spraying device comprises a rotary connecting pipe, one side of the rotary connecting pipe is connected with an external air pipe through a rotary sealing connecting pipe, a sealing flange and a retainer ring, the bottom of the outer air pipe is provided with a fan, one side of the outer air pipe is provided with a first communicating pipe, a second communicating pipe is arranged on one side of the first communicating pipe, a connecting pipe connected with a fan is arranged at the bottom of the second communicating pipe, and the outer surfaces of the connecting pipe and the fan are both provided with butterfly valves, one side of the second communicating pipe is provided with a third communicating pipe, a compressed air channel is arranged at the top of the third communicating pipe, an ignition oil gun is arranged at one side of the third communicating pipe, the fuel oil pipe is characterized in that an axial flow air channel, a material air channel, a rotational flow air channel, a central air channel and a fuel oil pipe are arranged in the rotary connecting pipe in parallel, and a rotational flow body is arranged at the air outlet end of the rotational flow air channel.

Preferably, the rotary sealing connecting pipe is tightly attached to the sealing flange, and the sealing flange is made of graphite.

Preferably, the rotary sealing connecting pipe is made of metal materials, and connecting flanges are arranged on two sides of the rotary sealing connecting pipe.

Preferably, the ignition oil gun is communicated with a fuel pipe, and the outer surface of the fuel pipe is smooth.

Preferably, the outer surface of the rotary sealing connecting pipe is provided with a refractory pouring layer.

Compared with the prior art, the beneficial effects of the utility model are that: the rotary furnace charge spraying device is provided with a fuel oil pipe, a central air duct, a rotational flow air duct, a material air duct, an axial flow air duct and a rotational flow body, when spraying materials, the proportioned materials are quantitatively fed into a furnace through a spiral pneumatic conveying pump by using nitrogen, the nitrogen is fed into the furnace through the material air duct, the central air duct is fed with the nitrogen, the temperature of a spray head is prevented from being overhigh, and the nitrogen plays a role of stabilizing flow, the nitrogen can participate in reaction, the nitrogen is fed into the inner rotational flow air duct, the rotational flow air generated by the rotational flow body of the nitrogen through a rotational flow air port is collided and mixed with the materials, the rotational flow air drives the materials to advance spirally at a high speed, the materials are uniformly sprayed into the furnace, the air inflow and the feeding quantity can be adjusted by a butterfly valve, the distance of the materials entering the furnace is adjusted, the materials can better fall into, firstly, in order to protect the compressed air channel, prevent the temperature of the spray head from being overhigh, secondly, the central fuel oil is more fully combusted, and the stable flow combustion-supporting effect is achieved, the rotational flow air generated by the inner rotational flow air channel is mixed with the atomized fuel oil air flow and advances in a high-speed spiral mode and meets the high-speed axial flow air generated by the outer axial flow air channel, the axial flow air further enables the oil and the air to be mixed, the divergence degree of flame can be adjusted, the length and the thickness of the flame can be adjusted according to needs, the optimal flame shape is achieved, the operation is simple and convenient, compared with the prior material spraying pipe, the material spraying, the furnace igniting oil injection and the nitrogen gas injection cannot be good, the equipment integrates the material spraying pipe and the burner, the operation is simpler and more practical, the labor intensity of workers is reduced, the material distribution is more uniform, the nitridation reaction is more fully performed, the structure is compact, the sealing performance is good, the safety and the environmental, uneven mixing of material gas, insufficient nitridation reaction, influence on the nitrogen content of the product, and poor sealing, which causes the defects of large dust and the like.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial cross-sectional structure of the rotary joint of the present invention;

fig. 3 is a schematic view of the local structure of the rotary sealing connecting pipe of the present invention.

In the figure: 1. rotating the connecting pipe; 2. a rotary seal connecting pipe; 3. sealing the flange; 4. a retainer ring; 5. an outer air duct; 6. a first communication pipe; 7. a second communicating pipe; 8. a third communicating pipe; 9. an ignition oil gun; 10. a compressed air passage; 11. a connecting flange; 12. a fan; 13. a connecting pipe; 14. a butterfly valve; 15. an axial flow duct; 16. a material air duct; 17. a swirling flow air duct; 18. a central air duct; 19. a fuel pipe; 20. a swirling body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "fixed," "sleeved," and the like are to be construed broadly, e.g., as either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; the two elements may be connected directly or indirectly through an intermediate medium, and the two elements may be connected internally or in an interaction relationship, and a person skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.

Referring to fig. 1-3, the present invention provides a technical solution: a rotary furnace burden material spraying device comprises a rotary connecting pipe 1, a rotary sealing connecting pipe 2, a sealing flange 3, a retainer ring 4, an outer air pipe 5, a first communicating pipe 6, a second communicating pipe 7, a third communicating pipe 8, an ignition oil gun 9, a compressed air channel 10, a connecting flange 11, a fan 12, a connecting pipe 13, a butterfly valve 14, an axial flow air channel 15, a material air channel 16, a rotational flow air channel 17, a central air channel 18, a fuel oil pipe 19 and a rotational flow body 20, wherein one side of the rotary connecting pipe 1 is connected with the outer air pipe 5 through the rotary sealing connecting pipe 2, the sealing flange 3 and the retainer ring 4, the fan 12 is installed at the bottom of the outer air pipe 5, the first communicating pipe 6 is installed at one side of the outer air pipe 5, the second communicating pipe 7 is installed at one side of the first communicating pipe 6, the connecting pipe 13 connected with the fan 12 is installed at the bottom of the second communicating pipe, a third communicating pipe 8 is installed at one side of the second communicating pipe 7, a compressed air channel 10 is installed at the top of the third communicating pipe 8, an ignition oil gun 9 is installed at one side of the third communicating pipe 8, an axial flow air duct 15, a material air duct 16, a rotational flow air duct 17, a central air duct 18 and a fuel oil pipe 19 are arranged in parallel in the rotary connecting pipe 1, and a rotational flow body 20 is installed at an air outlet end of the rotational flow air duct 17.

Referring to fig. 1, the rotary sealing connecting pipe 2 and the sealing flange 3 are tightly attached to each other, the sealing flange 3 is made of graphite, the sealing performance of the sealing flange 3 is improved, the rotary sealing connecting pipe 2 is made of metal, and the connecting flanges 11 are arranged on two sides of the rotary sealing connecting pipe 2, so that the rotary sealing connecting pipe 2 can be conveniently installed.

Referring to fig. 1-3, the oil-igniting gun 9 is connected to the fuel pipe 19, and the outer surface of the fuel pipe 19 is smooth to facilitate the oil-igniting gun 90 to ignite the dye in the fuel pipe 19, and the outer surface of the rotary sealing connection pipe 2 is provided with a refractory casting layer to make it more durable.

The working principle is as follows: firstly, after the device is installed, when igniting, the compressed air channel 10 atomizes and sprays diesel into the furnace, the central air channel 18 is filled with high-pressure air, firstly, the compressed air channel 10 is protected to prevent the temperature of the spray head from being overhigh, secondly, the central fuel oil is more fully combusted, and the steady flow combustion supporting function is realized, the rotational flow air generated by the inner rotational flow air channel 17 is mixed with the atomized fuel oil airflow and advances in a high-speed spiral mode to meet with the high-speed axial flow air generated by the outer axial flow air channel 15, the axial flow air further enables the oil and the air to be mixed, the divergence degree of flame can be adjusted, the length and the thickness of the flame can be adjusted as required to achieve the optimal flame shape, and when spraying, the materials which are proportioned according to the proportion are quantitatively conveyed into the furnace through the material air channel 16 by the nitrogen through the spiral pneumatic conveying pump, the nitrogen is filled into the central air channel 18 to, the nitrogen can participate in the reaction, the inner side rotational flow air duct 17 is filled with the nitrogen, rotational flow air generated by the rotational flow body 20 of the rotational flow air port of the nitrogen collides and mixes with the material, so that the rotational flow air carries the material to spirally advance at a high speed and is uniformly sprayed into the furnace, meanwhile, the air inflow and the feeding quantity can be adjusted through the butterfly valve 14, the distance of the material entering the furnace through the fan 12 is adjusted, the material can better fall into the optimal position for the reaction in the furnace, and the operation is simple and convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a rotary furnace charge spouts material device, includes rotary connecting pipe (1), its characterized in that: one side of rotary connecting pipe (1) is connected with outer tuber pipe (5) through gyration sealing connecting pipe (2), sealing flange (3) and retaining ring (4), fan (12) are installed to the bottom of outer tuber pipe (5), first communicating pipe (6) are installed to one side of outer tuber pipe (5), second communicating pipe (7) are installed to one side of first communicating pipe (6), connecting pipe (13) that are connected with fan (12) are installed to the bottom of second communicating pipe (7), just butterfly valve (14) are all installed to the surface of connecting pipe (13) and fan (12), third communicating pipe (8) are installed to one side of second communicating pipe (7), compressed air passageway (10) are installed at the top of third communicating pipe (8), ignition oil gun (9) are installed to one side of third communicating pipe (8), the inside of rotary connecting pipe (1) is provided with axial compressor wind channel (15) side by side, The fuel oil burner comprises a material air duct (16), a rotational flow air duct (17), a central air duct (18) and a fuel oil pipe (19), wherein a rotational flow body (20) is installed at the air outlet end of the rotational flow air duct (17).

2. The rotary furnace charge spouting device according to claim 1 wherein: the rotary sealing connecting pipe (2) and the sealing flange (3) are tightly attached, and the sealing flange (3) is made of graphite.

3. The rotary furnace charge spouting device according to claim 1 wherein: the rotary sealing connecting pipe (2) is made of metal materials, and connecting flanges (11) are arranged on two sides of the rotary sealing connecting pipe (2).

4. The rotary furnace charge spouting device according to claim 1 wherein: the ignition oil gun (9) is communicated with a fuel pipe (19), and the outer surface of the fuel pipe (19) is smooth.

5. The rotary furnace charge spouting device according to claim 1 wherein: and a fireproof pouring layer is arranged on the outer surface of the rotary sealing connecting pipe (2).

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