CN214842032U

CN214842032U - Infrared drying machine for carbon black production

Info

Publication number: CN214842032U
Application number: CN202022649772.1U
Authority: CN
Inventors: 刘忠富; 陈波; 张彬; 熊锦丽
Original assignee: Zhonghao Heiyuan Chemical Research Design Institute Co ltd
Current assignee: Zhonghao Heiyuan Chemical Research Design Institute Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-11-23
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses an infrared drying machine is used in carbon black production, including fire box casing and the desiccator body of locating in the fire box casing, this internal infrared generator who provides the heat for the carbon black drying that is equipped with of desiccator, the inner wall of fire box casing and the outer wall laminating of desiccator body for the fire box casing is formed and is carried out heat retaining heat preservation structure to the desiccator body. The utility model discloses an infrared drying machine is used in carbon black production has that rate of heating is fast, get rid of material moisture content efficient, anticorrosion, energy-concerving and environment-protective advantage, improves drying system simultaneously to play and fall this energy-conserving effect.

Description

Infrared drying machine for carbon black production

Technical Field

The utility model relates to a carbon black drying equipment field especially relates to an infrared drying machine is used in carbon black production.

Background

In the production process of the carbon black for the tire, the carbon black particles are required to be granulated, wet granulation is mostly adopted as granulation equipment, the moisture content of the granulated particles is usually about 50%, a large amount of moisture content is required to pass through a dryer and then meet the product requirement, the conventional dryer generates high-temperature flue gas at about 1100 ℃ after carbon black tail gas is combusted through a tail gas combustion furnace, the flue gas is subjected to flue gas heat preservation and flue gas diversion through a fire box of the dryer and enters the dryer, the wet carbon black particles are heated after entering an air inlet at the tail part of the dryer, the heated flue gas is pumped into an exhaust bag filter through an exhaust fan from an exhaust port at the head part of the dryer, at the moment, the flue gas contains a large amount of moisture and S, P components, the exhaust bag filter is seriously corroded, different damages can occur to the exhaust bag filter within two years, and the dried carbon black particles are contacted with the flue gas, at this time, S, P component in the flue gas will also partially enter into the carbon black particles, which will have a serious influence on the quality of the carbon black. The dried flue gas is filtered by an exhaust bag filter and then enters the atmosphere through an exhaust chimney, so that the environment is polluted.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides an infrared drying machine is used in carbon black production has that rate of heating is fast, get rid of the material moisture content efficient, anticorrosion, energy-concerving and environment-protective advantage, improves drying system simultaneously to play and fall this energy-conserving effect.

The technical scheme of the utility model as follows:

the utility model provides an infrared drying machine is used in carbon black production, includes fire box casing and locates the desiccator body in the fire box casing, this internal infrared generator who provides the heat for the carbon black drying that is equipped with of desiccator, be equipped with carbon black import, discharge gate and exhanst gas outlet on the desiccator body, the inner wall of fire box casing and the outer wall laminating of desiccator body for fire box casing forms carries out heat retaining heat preservation structure to the desiccator body.

In a further technical scheme, the fire box shell is made of a light heat-insulating material.

In a further technical scheme, the fire box shell is made of rock wool materials.

In a further technical scheme, the dryer body is provided with an air supplementing port on one side of the discharge end of the dryer body, air is introduced through the air supplementing port, the flow direction of the air is opposite to the conveying direction of the carbon black, and the air is favorable for discharging steam in the dryer body.

In a further technical scheme, a plurality of inner shoveling plates are uniformly arranged on the inner wall of the dryer body along the circumferential direction of the dryer body, carbon black is conveyed in the dryer body, and when the carbon black and an infrared heat source generate energy for heat exchange, the carbon black can be stir-fried and dehumidified, so that the drying efficiency of the dryer is improved.

In a further technical scheme, the inner shoveling plate extends along the length direction of the dryer body, and the length of the inner shoveling plate is the same as the inner length of the dryer body.

In a further technical scheme, the distance between two adjacent inner shoveling plates is 400 mm.

In a further technical scheme, the flue gas outlet of desiccator body extends to the inside 500mm department of desiccator body and has a plurality of steam outlets along its circumference equipartition, makes things convenient for the steam discharge desiccator body that produces among the carbon black drying process, gets into next process for subsequent use.

In a further technical scheme, the carbon black import of desiccator body extends to the inside of desiccator body from exhanst gas outlet with the oblique downward direction, be equipped with the sealing member between the carbon black import of desiccator body and the terminal surface of exhanst gas outlet and desiccator body, the desiccator body is slewing equipment, and inside exhanst gas outlet slant inserted the desiccator body, did not influence the rotation of desiccator body, and exhanst gas outlet and desiccator body terminal surface contact department are provided with sealedly simultaneously, and the discharge gate of desiccator body and the terminal surface contact department of desiccator body are provided with sealedly.

The working principle of the technical scheme is as follows:

the infrared drier of the utility model heats carbon black particles through infrared rays in the drier to achieve the drying purpose, compared with the traditional drier, the fire box only plays a role in heat preservation, can adopt light materials such as rock wool and the like to preserve heat of the drier, compared with the traditional fire box, the fire box uses refractory materials to pour, the weight can be saved by 80 percent, the cost is saved by 70 percent, the investment cost can be saved by 50 ten thousand yuan, meanwhile, because the flue gas after burning tail gas is not used for heating, the tail gas burning furnace is cancelled in the carbon black production system, the investment cost can be saved by 30 to 40 ten thousand yuan, the carbon black tail gas saved at the same time can be directly input into a tail gas power station, the generated energy is far greater than the electric quantity consumed by an infrared generator, a large amount of value-added profits can be created, because no flue gas enters the drier, the harmful components in the flue gas do not damage the drier at the moment, the material of the dryer can be reduced, at the moment, 20 million of manufacturing cost can be saved, meanwhile, no harmful substance enters carbon black particles, the quality of carbon black is greatly improved, the dried moisture is pumped into the exhaust bag filter through the exhaust fan in a steam form, at the moment, the steam quantity is smaller than the smoke, the exhaust bag filter is only corroded by water, the requirements on the filtering area and the material of the exhaust bag filter can be reduced, the investment cost is saved, the generated steam is finally exhausted into the atmosphere through the exhaust chimney, the environment cannot be polluted, and the purposes of energy conservation and environmental protection are achieved.

The utility model has the advantages that:

1. the infrared dryer heats carbon black particles in the dryer through infrared rays to achieve the purpose of drying, and compared with the traditional dryer, the fire box only plays a role in heat preservation, can adopt light materials such as rock wool and the like to preserve heat of the dryer, and compared with the traditional fire box, the fire box is poured by using refractory materials, the weight of the fire box can be saved by 80%, the cost is saved by 70%, and the investment cost can be saved by 50 ten thousand yuan;

2. flue gas generated after tail gas combustion is not used for heating, a tail gas combustion furnace is omitted in the carbon black production system, investment cost can be saved by 30-40 ten thousand yuan, the saved carbon black tail gas can be directly input into a tail gas power station, generated energy is far greater than electric quantity consumed by an infrared generator, and a large amount of value-added profits can be created;

3. no flue gas enters the dryer, harmful ingredients in the flue gas do not damage the dryer at the moment, the used materials of the dryer can be reduced, the manufacturing cost can be saved by 20 ten thousand, and meanwhile, carbon black particles have no harmful substances, so that the quality of the carbon black is greatly improved;

4. the dried moisture is pumped into the exhaust bag filter through the exhaust fan in a steam mode, at the moment, the steam quantity is smaller than that of smoke, the exhaust bag filter is only corroded by water, the requirements on the filtering area and the material of the exhaust bag filter are reduced, the investment cost is saved, the generated steam is finally exhausted into the atmosphere through the exhaust chimney, the environment is not polluted, and the purposes of energy conservation and environmental protection are achieved.

Drawings

FIG. 1 is a schematic structural view of an infrared dryer for carbon black production according to an embodiment of the present invention.

Description of reference numerals:

10. a fire box housing; 20. a dryer body; 21. a carbon black inlet; 22. a discharge port; 23. an air supplement port; 24. a flue gas outlet; 25. a steam outlet; 26. an internal shoveling plate; 30. an infrared generator.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Example (b):

as shown in figure 1, an infrared drying machine for carbon black production, including fire case casing 10 and the desiccator body 20 of locating in fire case casing 10, be equipped with the infrared generator 30 that provides the heat for the carbon black drying in the desiccator body 20, be equipped with carbon black import 21, discharge gate 22 and exhanst gas outlet 24 on the desiccator body 20, the inner wall of fire case casing 10 and the laminating of the outer wall of desiccator body 20 for fire case casing 10 forms and carries out heat retaining heat preservation structure to desiccator body 20.

In another embodiment, the fire box housing 10 is a lightweight insulating material.

In another embodiment, the fire box housing 10 is rock wool material.

In another embodiment, as shown in fig. 1, an air supplement port 23 is provided on the dryer body 20 at a side of the discharge end, and air is introduced through the air supplement port 23 in a direction opposite to the carbon black conveying direction, so as to facilitate discharging steam from the dryer body 20.

In another embodiment, as shown in fig. 1, a plurality of internal shoveling plates 26 are uniformly arranged on the inner wall of the dryer body 20 along the circumferential direction, and the carbon black is conveyed in the dryer body 20 and can be stir-fried and dehumidified when exchanging heat with energy emitted from an infrared heat source, so that the drying efficiency is improved.

In another embodiment, the inner blade 26 extends along the length of the dryer body 20, and the length of the inner blade 26 is the same as the inner length of the dryer body 20.

In another embodiment, the distance between two adjacent inner shoveling plates 26 is 400 mm.

In another embodiment, the flue gas outlet 24 of the dryer body 20 extends to a position 500mm inside the dryer body 20, and a plurality of steam outlets 25 are uniformly distributed along the circumference of the flue gas outlet, so that steam generated in the carbon black drying process can be conveniently discharged out of the dryer body 20 and enter the next process for standby.

In another embodiment, as shown in fig. 1, the carbon black inlet 21 of the dryer body 20 extends from the flue gas outlet 24 to the inside of the dryer body 20 in an oblique downward direction, a sealing member is disposed between the carbon black inlet 21 and the flue gas outlet 24 of the dryer body 20 and the end surface of the dryer body 20, the dryer body 20 is a rotary device, the flue gas outlet 24 is obliquely inserted into the inside of the dryer body 20, the rotation of the dryer body 20 is not affected, meanwhile, a seal is disposed at a contact position of the flue gas outlet 24 and the end surface of the dryer body 20, and a seal is disposed at a contact position of the discharge port 22 of the dryer body 20 and the end surface of the dryer body 20.

The working principle of the above embodiment is as follows:

the infrared drier of the utility model heats carbon black particles in the drier through infrared rays to achieve the drying purpose, compared with the traditional drier, the fire box only plays a role in heat preservation, can adopt light materials such as rock wool and the like to preserve heat of the drier, compared with the traditional fire box, the fire box uses refractory materials to pour, the weight can be saved by 80 percent, the cost is saved by 70 percent, the investment cost can be saved by 50 ten thousand yuan, meanwhile, because the flue gas after burning of the tail gas is not used for heating, the tail gas burning furnace is cancelled in the carbon black production system, the investment cost can be saved by 30-40 ten thousand yuan, the carbon black tail gas saved at the same time can be directly input into a tail gas power station, the generated energy is far greater than the electric quantity consumed by the infrared generator 30, a large amount of value-added profits can be created, because no flue gas enters the drier, the harmful components in the flue gas do not damage the drier at the moment, the material of the dryer can be reduced, at the moment, 20 million of manufacturing cost can be saved, meanwhile, no harmful substance enters carbon black particles, the quality of carbon black is greatly improved, the dried moisture is pumped into the exhaust bag filter through the exhaust fan in a steam form, at the moment, the steam quantity is smaller than the smoke, the exhaust bag filter is only corroded by water, the requirements on the filtering area and the material of the exhaust bag filter can be reduced, the investment cost is saved, the generated steam is finally exhausted into the atmosphere through the exhaust chimney, the environment cannot be polluted, and the purposes of energy conservation and environmental protection are achieved.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides an infrared drying machine is used in carbon black production, includes fire box casing and locates the desiccator body in the fire box casing, its characterized in that, this internal infrared generator who provides the heat for the carbon black drying that is equipped with of desiccator, the inner wall of fire box casing and the outer wall laminating of desiccator body for fire box casing forms carries out heat retaining heat preservation structure to the desiccator body.

2. The infrared dryer for carbon black production as set forth in claim 1, wherein said fire box housing is a lightweight insulating material.

3. The infrared dryer for carbon black production as set forth in claim 2, wherein the fire box casing is rock wool material.

4. The infrared dryer for carbon black production as set forth in claim 1, wherein an air supply port is provided on the dryer body at a side of the discharge end thereof.

5. The infrared dryer for carbon black production as set forth in claim 1, wherein a plurality of internal shovelling plates are uniformly arranged on the inner wall of the dryer body along the circumferential direction thereof.

6. The infrared dryer for carbon black production according to claim 5, wherein the inner blade extends in a longitudinal direction of the dryer main body, and a length of the inner blade is the same as an inner length of the dryer main body.

7. The infrared dryer for carbon black production according to claim 5 or 6, wherein the distance between two adjacent inner shoveling plates is 400 mm.

8. The infrared dryer for carbon black production as claimed in claim 1, wherein the flue gas outlet of the dryer body extends to 500mm inside the dryer body, and a plurality of steam outlets are uniformly distributed along the circumference of the flue gas outlet.

9. The infrared dryer for carbon black production as set forth in claim 1, wherein the carbon black inlet of the dryer body extends from the flue gas outlet to the inside of the dryer body in an obliquely downward direction.