CN219239560U

CN219239560U - Energy-saving device for controlling moisture content of carbon black

Info

Publication number: CN219239560U
Application number: CN202320051972.8U
Authority: CN
Inventors: 张�杰; 邵菁; 陆麟正; 徐全良; 吕春芳; 谈建军
Original assignee: Wuxi Double Carbon Black Technology Co ltd
Current assignee: Wuxi Double Carbon Black Technology Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-23
Anticipated expiration: 2033-01-09

Abstract

The utility model provides an energy-saving device for controlling the moisture content of carbon black, which comprises a carbon black collecting cloth bag filter box body, a carbon powder extruder, a carbon powder storage tank, a discharge valve, a granulator and a dryer which are connected in sequence, wherein the carbon powder extruder comprises an extrusion box, the upper part of the extrusion box is provided with an inlet end, the lower part of the extrusion box is provided with a discharge end, a plurality of rotating shafts which turn the same direction are arranged in the extrusion box from top to bottom, and a plurality of radial or axial distributed blades are respectively arranged on each rotating shaft; the lower end of the rotating shaft is provided with a filter plate with a grid. The powder carbon black pre-compressed by the utility model has less granulation water, small processed wet particle carbon black particles, quick drying speed and high efficiency of the small particle wet carbon black particles in a dryer, low water content of the dried carbon black, and simultaneously saves the heat energy required for drying the wet carbon black particles.

Description

Energy-saving device for controlling moisture content of carbon black

Technical Field

The utility model relates to the technical field of carbon black production, in particular to an energy-saving device for controlling the moisture content of carbon black.

Background

The furnace carbon black is produced by using gaseous hydrocarbon, liquid hydrocarbon or their mixture as material, supplying proper amount of air to form closed turbulent flow system inside the reactor, burning some of the material hydrocarbon and air to produce high temperature and cracking the other part. Carbon black is a black powdery substance of hydrocarbons which is produced by incomplete combustion or pyrolysis of gas phase under strictly controlled process conditions, and its main component is elemental carbon, and contains a small amount of oxygen, hydrogen, sulfur, etc. The carbon black particles are approximately spherical and have a particle size of 10-500 μm. Carbon black products are used in rubber processing by compounding into rubber as reinforcing agents and fillers.

The method comprises the steps of carrying out a series of pipeline transportation, cloth bag collection box, crushing, granulating, drying, lifting, storing and packaging on carbon black generated by the reaction of common furnace carbon black in a carbon black reaction furnace to obtain finished carbon black, wherein in the series of process steps, the granulating process is a process of processing the collected powdery carbon black into granular carbon black, and in the common granulating process, a certain proportion of water and a binder are added into a granulator to be mixed with the powdery carbon black in the granulator, so that the powdery carbon black is processed into wet particles; the drying process is a carbon black drying process, the water content of the carbon black before drying is about 50%, the water content of the carbon black after drying is less than 1.0%, and the heat source for drying the carbon black is smoke generated by burning tail gas of the carbon black.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides an energy-saving device for controlling the moisture content of carbon black, wherein the pre-compressed powdery carbon black has less granulation water when being subjected to granulation processing, the processed wet carbon black particles are small in particle size, the drying speed of the small-particle wet carbon black particles in a dryer is high, the efficiency is high, the moisture content of the dried carbon black is low, and meanwhile, the heat energy required for drying the wet carbon black particles is saved.

The utility model comprises a carbon black collecting cloth bag filter box body, a carbon powder extruder, a carbon powder storage tank, a discharge valve, a granulator and a dryer which are sequentially connected, wherein the carbon powder extruder comprises an extrusion box, an inlet end is arranged at the upper part of the extrusion box, a discharge end is arranged at the lower part of the extrusion box, a plurality of rotating shafts which are the same in rotation direction are arranged in the extrusion box from top to bottom, and a plurality of blades which are distributed radially or axially are respectively arranged on each rotating shaft; the lower end of the rotating shaft is provided with a filter plate with a grid.

Further improved, the rotating shaft comprises a first rotating shaft and a second rotating shaft which are distributed up and down, the blades on the first rotating shaft are axial blades, and the blades on the second rotating shaft are radial blades.

Further improved, the blade is made of elastic materials.

Further improved, the dryer is connected to the finished product storage tank through a pipeline.

Further improved, the carbon black collecting cloth bag is connected with a feeding pipeline and an exhaust pipeline.

The working method of the utility model is as follows:

and after the powdery carbon black produced by the carbon black reaction furnace is collected by a series of collecting devices, sending the powdery carbon black into a carbon black collecting cloth bag filter box body by adopting an air blower to collect, discharging the collected air into the atmosphere, and sending the collected powdery carbon black into a powdery carbon extruder.

The powder carbon black enters the extrusion box from the inlet end, the powder carbon black is continuously and continuously beaten and extruded by the blades on the upper and lower parallel rotating shafts, and the blades can naturally bend and smoothly rotate after being mutually collided and beaten by elastic materials such as rubber, nylon and the like, so that the powder carbon black is relatively compact after being beaten and extruded by the blades, passes through the filter plate with the grid by utilizing gravity, and enters the lower powder carbon storage tank from the discharge end.

The extruded powdery carbon black enters a powdery carbon storage tank for proper storage, a discharge valve is arranged at the bottom of the powdery carbon storage tank, the powdery carbon black enters a wet granulator for granulation processing through the discharge valve, the processed carbon black is changed into fine wet particles from powder, the moisture content of the wet particles is about 50%, the wet particles enter a dryer for drying, the moisture content of the dried particles is about 0.3%, and the dried particles enter a rear finished product storage tank through a pipeline.

The utility model has the beneficial effects that: the device pre-compresses the collected powdery carbon black, discharges most of gas in the powdery carbon black, and the powdery carbon black after pre-compression enters a storage tank and then is subjected to wet granulation, so that the required granulation water is less than that of the conventional device, the wet carbon black particles processed by a granulator are fine and uniform, the small-particle wet carbon black particles are dried in a dryer at a high speed and high efficiency, the water content of the dried carbon black is low, and meanwhile, the heat energy required for drying the wet carbon black particles is saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic flow chart of the structure of the utility model.

FIG. 2 is a schematic diagram of a powder carbon black extruder in accordance with the present utility model.

Fig. 3 is a cross-sectional view taken along the direction a in fig. 2.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model comprises a carbon black collecting cloth bag filter box body 3, a powdered carbon extruder 4, a powdered carbon storage tank 5, a discharge valve 6, a granulator 7 and a dryer 8 which are connected in sequence. The carbon black collecting cloth bag is connected with a feeding pipeline 2 and an exhaust pipeline 1.

The powdered carbon black produced by the carbon black reaction furnace is collected through a series of collecting devices, the powdered carbon black is sent into a carbon black collecting cloth bag filter box body 3 for collection through a feeding pipeline 2 by adopting an air blower, the collected air is discharged into the atmosphere through an exhaust pipeline 1, the collected powdered carbon black enters a powdered carbon extruder 4, the extruded powdered carbon black enters a powdered carbon storage tank 5 for proper storage, a discharge valve 6 is arranged at the bottom in the powdered carbon storage tank, the powdered carbon black enters a wet granulator 7 through the discharge valve 6 for granulation processing, the processed carbon black becomes fine wet particles from powder, the moisture content of the wet particles is about 50%, the wet particles enter a dryer 8 for drying, the moisture content of the dried particle carbon black is about 0.3%, and the dried particle carbon black enters a rear finished product storage tank through a pipeline 9.

The charcoal powder extruder 4 comprises an extrusion box 4.2, wherein the upper part of the extrusion box is provided with an inlet end 4.1, the lower part of the extrusion box is provided with a discharge end 4.8, a plurality of rotating shafts which turn the same direction are arranged in the extrusion box from top to bottom, and a plurality of blades which are distributed radially or axially are respectively arranged on each rotating shaft; the lower end of the rotating shaft is provided with a filter plate 4.7 with a grid.

One embodiment is: the rotating shafts comprise a first rotating shaft 4.4 and a second rotating shaft 4.5 which are distributed up and down, the blades on the first rotating shaft are axial blades 4.3, and the blades on the second rotating shaft are radial blades 4.6.

The powder carbon black enters the extrusion box 4.2 from the inlet end 4.1, is continuously and continuously beaten and extruded by the axial blades 4.3 and the radial blades 4.6 on the upper and lower parallel rotating shafts, and can naturally bend and smoothly rotate after the blades of the upper and lower shafts collide with each other and beat due to the adoption of elastic materials such as rubber, nylon and the like, the powder carbon black is relatively compact after being beaten and extruded by the blades, passes through the filter plate 4.7 with a grid by utilizing gravity, and enters the lower powder carbon storage tank from the discharge end 4.8.

Experiments are carried out through a plurality of specific proportion examples, and compared with the original carbon black production process, three examples are obtained, and the results are as follows:

in this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for the equipment examples, what has been described above is merely a preferred embodiment of the utility model, which, since it is substantially similar to the method examples, is described relatively simply, as relevant to the description of the method examples. The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, since modifications and substitutions will be readily made by those skilled in the art without departing from the spirit of the utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. The utility model provides an economizer of control carbon black moisture content, includes the carbon black collection sack filter box, powder charcoal extruder, powder charcoal storage tank, discharge valve, granulator, the desiccator that connect gradually, its characterized in that: the charcoal powder extruder comprises an extrusion box, wherein the upper part of the extrusion box is provided with an inlet end, the lower part of the extrusion box is provided with a discharge end, a plurality of rotating shafts which turn the same direction are arranged in the extrusion box from top to bottom, and a plurality of radial or axial blades are respectively arranged on each rotating shaft; the lower end of the rotating shaft is provided with a filter plate with a grid.

2. The energy saving device for controlling the moisture content of carbon black according to claim 1, wherein: the rotating shafts comprise a first rotating shaft and a second rotating shaft which are distributed up and down, the blades on the first rotating shaft are axial blades, and the blades on the second rotating shaft are radial blades.

3. The energy saving device for controlling the moisture content of carbon black according to claim 1 or 2, wherein: the blade is made of elastic materials.

4. The energy saving device for controlling the moisture content of carbon black according to claim 1, wherein: the dryer is connected to the finished product storage tank through a pipeline.

5. The energy saving device for controlling the moisture content of carbon black according to claim 1, wherein: the carbon black collecting cloth bag is connected with a feeding pipeline and an exhaust pipeline.