CN210261618U

CN210261618U - Novel energy-saving carbon black reaction furnace

Info

Publication number: CN210261618U
Application number: CN201921025041.0U
Authority: CN
Inventors: 石保国; 杜宁辉
Original assignee: Jiaozuo Longxing Chemical Co ltd
Current assignee: Jiaozuo Longxing Chemical Co ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-04-07
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses a novel energy-saving carbon black reacting furnace, which relates to the field of carbon black reacting furnaces, comprising a reacting furnace main body, wherein a furnace end, a combustion section, a throat section, a reaction section and a cooling section are sequentially formed in the reacting furnace main body, the furnace end is provided with an air inlet and a gas inlet, the air inlet is connected with an air pump, the gas inlet is connected with a fuel spray gun, the fuel spray gun is communicated with the combustion section through the furnace end, the combustion section comprises a combustion chamber and a plurality of combustion nozzles uniformly arranged in an array, the front end of the combustion nozzle is vertically introduced into the combustion chamber, the throat section comprises a throat, an oil inlet for raw oil to enter is formed on the throat, the oil inlet is connected with an oil pump, the oil pump drives the raw oil to enter the reaction section through the throat, the end of the reaction section is communicated with the cooling section, the end, the air filtering device comprises a purified air outlet and an exhaust gas port, and the purified air outlet is communicated with the air pump.

Description

Novel energy-saving carbon black reaction furnace

Technical Field

The utility model relates to a carbon black reacting furnace field especially relates to a novel energy-conserving carbon black reacting furnace.

Background

The carbon black production industry is a high energy consumption industry, and the key for reducing the carbon black production energy consumption is to control the production cost and improve the market competitiveness of enterprises in carbon black production enterprises.

The energy-saving method on the market analyzes the sensible heat utilization rate of the flue gas of the existing production line and the heat loss condition of the equipment, and realizes the reduction of energy consumption by improving the sensible heat utilization rate of the flue gas and reducing the heat loss of a hot air pipeline through the heat exchange capacity of the existing equipment.

However, the temperature of the combustion residual gas in the running process of the carbon black production line can reach about 1900 ℃, the highest temperature of the surface of the reaction furnace can still reach about 250 ℃ in the heat radiation and heat conduction processes of high-temperature flue gas, and the heat loss of the surface of the reaction furnace is serious in the heat exchange and heat dissipation process with the outside air, so that how to reduce the heat loss of the surface of the carbon black reaction furnace becomes a new problem for reducing the energy consumption of carbon black production, and the method is also a new way for reducing the energy consumption of carbon black production.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.

A novel energy-saving carbon black reaction furnace comprises a reaction furnace main body.

The reaction furnace comprises a reaction furnace body, a furnace end, a combustion section, a throat section, a reaction section and a cooling section, wherein an air inlet and a gas inlet are arranged at the position of the furnace end, the air inlet is connected with an air pump, the gas inlet is connected with a fuel spray gun, the fuel spray gun is communicated with the combustion section through the furnace end, the combustion section comprises a combustion chamber and a plurality of combustion nozzles uniformly arranged in an array, the front end of each combustion nozzle is vertically introduced into the combustion chamber, the combustion nozzles are formed at the left end of the furnace end, the throat section comprises a throat pipe, an oil inlet for raw oil to enter is formed on the throat pipe, an oil pump is connected at the oil inlet, the oil pump is connected with the raw oil, the raw oil pump drives the raw oil to enter the reaction section through the throat pipe, a discharge port is formed below the tail end of the reaction section and the, the air filtering device comprises a purified air outlet and an exhaust gas port, the purified air outlet is communicated with the air pump, and the thickness of the reaction furnace main body is between 250mm and 400 mm.

As a further aspect of the present invention: an air preheater is connected between the air inlet and the air pump, and a raw oil preheater is connected between the oil inlet and the oil pump.

As a further aspect of the present invention: the outermost layer of the reaction furnace main body is provided with a high-temperature resistant fiber felt.

As a further aspect of the present invention: and a water-cooling device is adopted in the cooling section.

Compared with the prior art, the beneficial effects of the utility model are that: through reasonable design and adjustment of the reaction furnace composition, namely structure, the heat preservation performance of the reaction furnace is greatly improved, the surface temperature is reduced from about 250 ℃ to about 100 ℃, and a large amount of effective heat is saved and is directly used for carbon black production.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Fig. 3 is an enlarged schematic view of fig. 1 at B.

Shown in the figure: 1. a reaction furnace main body; 2. a furnace end; 3. a combustion section; 4. a throat section; 5. a reaction section; 6. a cooling section; 7. an air inlet; 8. a gas inlet; 9. an air pump; 10. a fuel spray gun; 11. a combustion chamber; 12. a burner tip; 13. a throat; 14. an oil inlet; 15. an oil pump; 16. raw oil; 17. a discharge port; 18. a waste gas outlet; 19. an air filtration device; 20. a clean gas outlet; 21. an exhaust gas vent; 22. an air preheater; 23. a raw oil preheater; 24. a fire-resistant insulating layer.

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.

Referring to fig. 1-3, a novel energy-saving carbon black reacting furnace includes a reacting furnace main body 1.

A furnace end 2, a combustion section 3, a throat section 4, a reaction section 5 and a cooling section 6 are sequentially formed in a reaction furnace body 1, an air inlet 7 and a gas inlet 8 are arranged at the position of the furnace end 2, the air inlet 7 is connected with an air pump 9, the gas inlet 8 is connected with a fuel spray gun 10, the fuel spray gun 10 is communicated with the combustion section 3 through the furnace end 2, the combustion section 3 comprises a combustion chamber 11 and a plurality of combustion nozzles 12 which are uniformly arranged in an array, the front ends of the combustion nozzles 12 are vertically led into the combustion chamber 11, the combustion nozzles 12 are formed at the left end of the furnace end 2, the throat section 4 comprises a throat 13, an oil inlet 14 for raw oil to enter is formed on the throat 13, an oil pump 15 is connected at the oil inlet 14, the oil pump 15 is connected with raw oil 16, the oil pump 15 drives the raw oil 16 to enter the reaction section 5 through the throat 13, a discharge hole 17 is further formed below the, the tail end of the cooling section 6 is connected and formed with a waste gas outlet 18, the waste gas outlet 18 is connected with an air filtering device 19, the air filtering device 19 comprises a clean gas outlet 20 and a waste gas port 21, the clean gas outlet 20 is communicated with the air pump 9, and the thickness of the reaction furnace main body 1 is 250mm to 400 mm.

As a further aspect of the present invention: an air preheater 22 is connected between the air inlet 7 and the air pump 9, and a raw oil preheater 23 is connected between the oil inlet 14 and the oil pump 15.

As a further aspect of the present invention: the outermost layer of the reaction furnace main body 1 is provided with a high-temperature resistant fiber felt.

As a further aspect of the present invention: the cooling section 6 adopts a water-cooling temperature-reducing device.

The utility model discloses a theory of operation is: the clean gas that the waste gas of waste gas outlet 18 crossed the filtration through air filter 19 gets into air pump 9 with the air together, air pump 9 intercommunication air heater 22, reduce air heater 22's heating time, let air reuse, improve the utilization ratio, reduce the energy consumption, burner tip 12 arrangement shaping is at the furnace end 2 left end, give combustion chamber 11 even heating, the thickness of reacting furnace main part 1 is between 250mm to 400mm, make the surface temperature of reacting furnace main part 1 drop to about 100 ℃, reduce the heat loss, practice thrift a large amount of effective heat and directly be used for carbon black production, heat conduction metal level 24 is installed through the screw to the inner wall of reacting furnace main part 1, guarantee heat 1 even cyclic motion in the reacting furnace main part, realize improving the utilization ratio through two kinds of modes, reduce the energy consumption, reduce the heat loss.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel energy-conserving carbon black reacting furnace, includes the reacting furnace main part, its characterized in that: the reaction furnace comprises a reaction furnace body, a furnace end, a combustion section, a throat section, a reaction section and a cooling section, wherein an air inlet and a gas inlet are arranged at the position of the furnace end, the air inlet is connected with an air pump, the gas inlet is connected with a fuel spray gun, the fuel spray gun is communicated with the combustion section through the furnace end, the combustion section comprises a combustion chamber and a plurality of combustion nozzles uniformly arranged in an array, the front end of each combustion nozzle is vertically introduced into the combustion chamber, the combustion nozzles are formed at the left end of the furnace end, the throat section comprises a throat pipe, an oil inlet for raw oil to enter is formed on the throat pipe, an oil pump is connected at the oil inlet, the oil pump is connected with the raw oil, the raw oil pump drives the raw oil to enter the reaction section through the throat pipe, a discharge port is formed below the tail end of the reaction section and the, the air filtering device comprises a purified air outlet and an exhaust gas port, the purified air outlet is communicated with the air pump, and the thickness of the reaction furnace main body is between 250mm and 400 mm.

2. The novel energy-saving carbon black reaction furnace as claimed in claim 1, wherein: an air preheater is connected between the air inlet and the air pump, and a raw oil preheater is connected between the oil inlet and the oil pump.

3. The novel energy-saving carbon black reaction furnace as claimed in claim 1, wherein: the outermost layer of the reaction furnace main body is provided with a high-temperature resistant fiber felt.

4. The novel energy-saving carbon black reaction furnace as claimed in claim 1, wherein: and a water-cooling device is adopted in the cooling section.