Carbon black classified screening device
阅读说明:本技术 一种炭黑分级筛选装置 (Carbon black classified screening device ) 是由 周博 于 2018-07-05 设计创作,主要内容包括:一种炭黑分级筛选装置,其特征在于包括:一级吸尘筛选装置,包括吸尘筛选罐、螺旋管道一和空气压缩机一;二级筛选装置,包括筛选罐二、筛选罐三以及筛选罐四;控制台,设有显示表和控制旋钮。所述一级吸尘筛选装置的吸尘筛选罐连接到二级筛选装置,一级吸尘筛选装置和二级筛选装置与控制台电性连接。与现有技术相比,本发明实现炭黑的粉尘处理,并对炭黑进行分级筛选,将块状炭黑以及大颗粒炭黑筛选出后倒入炭黑粉碎机的主打粉室,将次级炭黑的倒入次打粉室,提高炭黑打粉机的工作效率,整体上提高了炭黑资源的利用率。(A carbon black classifying screen device is characterized by comprising: the primary dust collection screening device comprises a dust collection screening tank, a first spiral pipeline and a first air compressor; the secondary screening device comprises a second screening tank, a third screening tank and a fourth screening tank; the console is provided with a display table and a control knob. The dust absorption screening jar of one-level dust absorption sieving mechanism is connected to the second grade sieving mechanism, one-level dust absorption sieving mechanism and second grade sieving mechanism and control cabinet electric connection. Compared with the prior art, the invention realizes the dust treatment of the carbon black, screens the carbon black in a grading way, screens massive carbon black and large-particle carbon black, then pours the carbon black into the main powdering chamber of the carbon black pulverizer, pours the secondary carbon black into the secondary powdering chamber, improves the working efficiency of the carbon black powdering machine, and integrally improves the utilization rate of carbon black resources.)
1. A carbon black classifying screen device is characterized by comprising:
the primary dust collection screening device comprises a dust collection screening tank, a spiral pipeline I and an air compressor I and is used for removing dust and primarily grading and screening carbon black particles;
the secondary screening device comprises a second screening tank, a third screening tank and a fourth screening tank and is used for further screening the carbon black particles;
the control console is provided with a display meter and a control knob and is used for displaying the numerical value of the pressure meter and controlling the output power of the air compressor;
the dust absorption screening jar of one-level dust absorption sieving mechanism is connected to the second grade sieving mechanism, one-level dust absorption sieving mechanism and second grade sieving mechanism and control cabinet electric connection.
2. The carbon black classifying screen apparatus according to claim 1, wherein: the primary dust collection screening device comprises a dust collection screening tank, a first spiral pipeline and a first air compressor, wherein the first spiral pipeline is arranged in the inner wall of the dust collection screening tank, and the first air compressor is arranged at the port of the first spiral pipeline; the dust absorption screening jar is equipped with the induction port and communicates with helical pipeline one, is equipped with the fine filtration net on the induction port.
3. The carbon black classifying screen apparatus according to claim 2, wherein: the upper part of the dust collection screening tank is provided with a dust collection cavity, the lower part of the dust collection screening tank is provided with a screening cavity, and the dust collection cavity is communicated with the screening cavity through a communicating cavity; the top of the dust collection screening tank is provided with an inclined inlet, and the bottom of the dust collection screening tank is provided with a large particle discharge port, a secondary particle discharge port and a small particle discharge port.
4. The carbon black classifying screen apparatus according to claim 2, wherein: the upper end of the first spiral pipeline is provided with a first Venturi tube, and a first speed measuring meter is arranged on the first Venturi tube.
5. The carbon black classifying screen apparatus according to claim 2, wherein: a dispersing pile is arranged at the pouring inlet of the dust collection screening tank, and the dispersing pile is conical; and a pressure stabilizing valve is arranged in the screening cavity.
6. The carbon black classifying screen apparatus according to claim 1, wherein: the inner wall of the screening tank II is provided with a spiral pipeline II which is connected with an air compressor II; the upper part of the screening tank II is provided with a dumping inlet II, and the bottom of the screening tank II is provided with a large-particle outlet and a secondary annular opening; the second pouring inlet is connected to a large particle discharge port of the primary dust-absorbing screening device.
7. The carbon black classifying screen apparatus according to claim 1, wherein: the inner wall of the screening tank III is provided with a spiral pipeline III which is connected with an air compressor III; the upper part of the screening tank III is provided with a pouring inlet III, and the bottom of the screening tank III is provided with a large-particle small outlet and a secondary ring outlet; the third pouring inlet is connected to a secondary particle carbon black discharge port of the primary dust suction screening device.
8. The carbon black classifying screen apparatus according to claim 1, wherein: the inner wall of the screening tank IV is provided with a spiral pipeline IV, and the spiral pipeline IV is connected with an air compressor IV; the upper part of the screening tank IV is provided with a tilting inlet IV, and the bottom of the screening tank IV is provided with a secondary small outlet and a qualified outlet; the four pouring inlets are connected to a small-particle carbon black discharge port of the primary dust-absorbing screening device.
Technical Field
The invention relates to the field of screening devices, in particular to a carbon black grading screening device.
Background
Carbon black is an amorphous carbon. The light, loose and extremely fine black powder has a very large surface area ranging from 10 to 3000m2/g, and is a product obtained by incomplete combustion or thermal decomposition of carbonaceous substances (coal, natural gas, heavy oil, fuel oil, etc.) under the condition of insufficient air.
The carbon black product produced at present is medium in particle size, narrow in particle size distribution and poor in dispersibility and flowability of carbon black, carbon black particles in the production process need to be screened to remove dust, agglomerated carbon black and large-particle carbon black, the qualification rate of the final product is ensured, and the screened agglomerated carbon black and large-particle carbon black are further treated to improve the utilization rate of the carbon black.
Disclosure of Invention
Aiming at the problems brought forward by the background technology, the invention provides a carbon black grading and screening device which can remove dust and fine unqualified carbon black in the carbon black, and can grade agglomerated carbon black and large-particle carbon black, so that the agglomerated carbon black and the large-particle carbon black can be poured into a main powdering chamber and a secondary powdering chamber of a carbon black pulverizer respectively.
A carbon black classifying screen device, comprising:
the primary dust collection screening device comprises a dust collection screening tank, a spiral pipeline and a first air compressor and is used for removing dust and primarily screening carbon black particles in a grading manner;
the secondary screening device comprises a second screening tank, a third screening tank and a fourth screening tank and is used for further screening the carbon black particles;
the control console is provided with a display meter and a control knob and is used for displaying the numerical value of the pressure meter and controlling the output power of the air compressor;
the dust absorption screening jar of one-level dust absorption sieving mechanism is connected to the second grade sieving mechanism, one-level dust absorption sieving mechanism and second grade sieving mechanism and control cabinet electric connection.
The primary dust collection screening device comprises a dust collection screening tank, a spiral pipeline and a first air compressor, wherein the spiral pipeline is arranged in the inner wall of the dust collection screening tank, and the first air compressor is arranged at the port of the spiral pipeline; the dust-absorbing screening tank is provided with an air suction port communicated with the spiral pipeline. Through the primary dust-absorbing screening device, dust enters the spiral pipeline from the air suction port along with air flow under the action of pressure difference.
The upper part of the dust collection screening tank is provided with a dust collection cavity, the lower part of the dust collection screening tank is provided with a screening cavity, and the dust collection cavity is communicated with the screening cavity through a communicating cavity; the top of the dust collection screening tank is provided with an inclined inlet, and the bottom of the dust collection screening tank is provided with a large particle discharge port, a secondary particle discharge port and a small particle discharge port. After the dust collection screening tank is screened, massive carbon black and large-particle carbon black are discharged from a large-particle discharge port, secondary carbon black is discharged from a secondary-particle discharge port, and small-particle carbon black is discharged from a small-particle discharge port.
Furthermore, a fine filter screen is arranged on the air suction port; the fine filter screen can prevent qualified carbon black particles from entering the spiral pipeline and prevent the carbon black particles from blocking the spiral pipeline.
Further, the upper end of the spiral pipeline is connected with a first air compressor, so that the air flow spirally flows downwards; the dust can be prevented from accumulating in the spiral pipeline.
Furthermore, a first Venturi tube is arranged at the upper end of the spiral pipeline, and a first speed measuring meter is arranged on the first Venturi tube; the venturi pipe is matched with the velocity meter I, and the current air flow velocity can be accurately displayed.
Furthermore, a dispersing pile is arranged at the pouring inlet of the dust collection screening tank, and the dispersing pile is conical; the dispersing pile can enlarge the contact area of the airflow and the carbon black material and improve the dust removal effect.
Further, a pressure stabilizing valve is arranged in the screening cavity; the surge damping valve can maintain certain pressure differential, reduces the influence that other factors caused the screening effect.
The inner wall of the screening tank II is provided with a spiral pipeline II which is connected with an air compressor II; the upper part of the screening tank II is provided with a dumping inlet II, and the bottom of the screening tank II is provided with a large particle outlet and a secondary carbon black outer ring opening; the second pouring inlet is connected to a large particle discharge port of the primary dust-absorbing screening device.
The inner wall of the screening tank III is provided with a spiral pipeline III which is connected with an air compressor III; the upper part of the screening tank III is provided with a pouring port III, and the bottom of the screening tank III is provided with a large-particle carbon black small opening and a secondary carbon black ring opening; the third pouring inlet is connected to a secondary particle carbon black discharge port of the primary dust suction screening device.
The inner wall of the screening tank IV is provided with a spiral pipeline IV which is connected with an air compressor IV; the upper part of the screening tank IV is provided with a pouring inlet IV, and the bottom of the screening tank IV is provided with a secondary carbon black small opening and a small-particle carbon black ring opening; the four pouring inlets are connected to a small-particle carbon black discharge port of the primary dust-absorbing screening device.
And a secondary carbon black outer ring opening of the second screening tank, a secondary carbon black ring opening of the third screening tank and a secondary carbon black small opening of the fourth screening tank are respectively connected to four ports of the four-way pipeline, and the other end of the four-way pipeline is used as an output port of the secondary carbon black. And secondary carbon black particles are output from the output port and poured into a secondary powder grinding chamber of the carbon black pulverizer for reutilization.
The large particle outlet of the second screening tank and the large particle carbon black small opening of the third screening tank are connected to two ports of the three-way pipeline, and the other end of the three-way pipeline is used as an output port of the large particle carbon black. Blocky carbon black and large-particle carbon black are output from the output port, and the blocky carbon black and the large-particle carbon black are poured into a main powdering chamber of the carbon black pulverizer to be recycled.
And the small-particle carbon black ring opening of the screening tank IV is used as an output port of the small-particle carbon black, and is a qualified carbon black product.
Has the advantages that: compared with the prior art, the invention realizes the dust treatment of the carbon black, screens the carbon black in a grading way, screens massive carbon black and large-particle carbon black, then pours the carbon black into the main powdering chamber of the carbon black pulverizer, pours the secondary carbon black into the secondary powdering chamber, improves the working efficiency of the carbon black powdering machine, and integrally improves the utilization rate of carbon black resources.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a primary dust-collecting screening device of the present invention;
FIG. 3 is a structural bottom view of the primary dust-collecting screening can of the present invention;
FIG. 4 is a schematic structural view of a secondary screening apparatus of the present invention;
FIG. 5 is a schematic structural view of a second screening tank of the present invention;
FIG. 6 is a schematic structural view of a third screening tank of the present invention;
FIG. 7 is a schematic structural view of a fourth screening tank of the present invention;
FIG. 8 is a schematic circuit diagram of the console of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, examples of which are shown in the drawings, wherein like reference numerals refer to like elements throughout.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, and in addition, terms such as "top end", "bottom end", "top", "bottom", "side", and the like used hereinafter are defined according to the drawings, and the shapes and positions of the respective components are not limited by the terms.
FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention, which provides a carbon black classifying and screening apparatus comprising
The primary dust
the
and the
After the carbon black is granulated, particles with different sizes and containing dust need to be treated to remove the carbon black dust, the particles are classified and screened, so that the screened carbon black particles are basically maintained in a grade size, and unqualified large-particle carbon black and agglomerated carbon black are poured into a carbon black pulverizer to be further pulverized so as to be recycled.
FIG. 2 is a first-stage dust-absorbing screening apparatus of the present invention, which comprises a dust-absorbing
The top of the dust-absorbing
FIG. 3 is a bottom cross-sectional view of the primary vacuum cleaner screening apparatus of the present invention.
The bottom is provided with a large
The upper part of the dust collection screening tank is provided with a
The
The pipe wall of the dust
The dust-laden air flow flows in the first
The carbon black material to be dedusted and screened is poured into the device from the pouring
In order to prevent the scattered soot particles from falling into the
To ensure sufficient duration of the action of the air flow and the carbon black within the
Further, the diameter of the
The soot material that is sufficiently vacuumed will fall into the
The carbon black particles falling into the
However, the soot particles that bounce off the scattered particles in the
On the one hand, the diameter of the communicating
Therefore, the diameter of the
On the other hand, the length of the
At this time, the length and diameter of the communicating
Therefore, the communicating
The carbon black particles falling into the
Therefore, the height and diameter of the
In order to make the whole device harmonious, the diameter of the
Furthermore, as the main source of the gas in the
After a plurality of factors are fully considered, the height of the screening cavity is calculated and designed to be 1.2 meters as the optimal height according to the drop point of the carbon black particles.
The drop point of carbon black granule is predictable, sets up the discharge port position according to the drop point, and in order to guarantee that large granule and cubic carbon black can both be discharged from the large granule discharge port, the diameter of large granule discharge port is greater than the diameter of
From the above analysis, the device has strict requirements on the working state of the air compressor-103, in order to provide a stable air flow meeting the required flow rate, so that the air flow needs to be monitored, and the measurement precision requirement is high. A
And a
Through one-level dust
Although the
Therefore, further screening is performed by the
FIG. 4 is a schematic structural view of the secondary screening apparatus.
Second grade sieving mechanism includes:
a
a
a
fig. 5 is a schematic structural view of a
The
And a
The air inlet end of the
The large-particle carbon black screened by the primary dust-absorbing screening device enters the device from the second pouring
In order to achieve good screening effect, the height of the
At this time, the diameter of the
Through the
Fig. 6 is a schematic structural view of screening tank three 220.
The
And a
Because the screening of the
Fig. 7 is a schematic view of the construction of the screening tank four 230.
The upper part of the screening tank IV is provided with an
The air inlet end of the
Fig. 8 is a circuit connection diagram of the
The
The speed meter three 225 and the air compressor three 226 are electrically connected with the display meter two 305 and the control knob two 306 on the
The
And a secondary ring outlet of the
And the large particle outlet of the second screening tank and the large particle carbon black small opening of the third screening tank are connected to two ports of the three-way pipeline, and the other end of the three-way pipeline is used as an output port of the large particle carbon black.
And the small-particle carbon black ring opening of the screening tank IV is used as an output port of the small-particle carbon black.
Through the effect of this device, carry out the hierarchical output of dust removal and carbon black granule with carbon black material.
The modifications made on the basis of the invention are all within the scope of protection of the invention; while the invention has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
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