CN209952965U

CN209952965U - Vertical winnowing pulverizer for zirconium boiling chlorination industry

Info

Publication number: CN209952965U
Application number: CN201920456430.2U
Authority: CN
Inventors: 郑旭
Original assignee: Jinzhou Sunrise New Material Technology Co Ltd
Current assignee: Jinzhou Sunrise New Material Technology Co Ltd
Priority date: 2019-04-07
Filing date: 2019-04-07
Publication date: 2020-01-17
Anticipated expiration: 2029-04-07

Abstract

The utility model discloses a vertical selection by winnowing rubbing crusher for zirconium boiling chlorination trade, its characterized in that: including rubbing crusher main part, frame and PLC, the rubbing crusher main part is installed in the frame, the rubbing crusher main part includes the regulation section at top and the canned paragraph of bottom, the canned paragraph bottom is connected and is equipped with air distributor, rubbing crusher main part below is equipped with the speed reducer, the speed reducer electricity is connected in the motor, the speed reducer top is equipped with the agitator that stretches into the canned paragraph inside, be equipped with the zirconium welt on the canned paragraph inner wall, the canned paragraph inside is equipped with the zirconia ball, canned paragraph one side is equipped with the level meter, and the opposite side is equipped with the filling tube. This practicality has following advantage: the equipment has simple structure, small occupied area, easy maintenance and low investment; the vibration is small, the noise is low, the finished product collecting bin can replace a boiling chlorination furnace to store a drying bin, the finished product collecting bin can be grouped with a chlorination production line, a main control DCS (distributed control System) of the production line can be connected with the main control DCS, a large amount of continuous crushing is realized, and the production management is convenient.

Description

Vertical winnowing pulverizer for zirconium boiling chlorination industry

Technical Field

The utility model relates to a rubbing crusher technical field specifically indicates a vertical selection by winnowing rubbing crusher for zirconium boiling chlorination trade.

Background

At present, zircon sand and carbon (petroleum coke) or zirconium dioxide and carbon (petroleum coke) are boiled and chlorinated, the required raw materials are all ground by using grinding equipment such as a Raymond mill, a ball mill, a rotary mill, a high-speed mechanical impact type grinder and the like, the fineness of products is more than 200-1250 meshes, and the products are respectively crushed on different equipment and have more ultrafine powder. The particle size control of the material is obtained by calculation or amplification of test data of a small cooling bed, the material is large in difference caused by shape, bulk density and particle size after being crushed, the particle size control data is unscientific, the mismatching of particle sizes is caused, the phenomenon of layering is easy to occur in a boiling chlorination bed, carbon (petroleum coke) is forced to be excessively added by 10-28% during production, the excessive carbon is accumulated for a certain time, the pressure of a furnace bed is increased, the excessive carbon is changed into slag to be discharged, solid waste products are generated, dust collection fine powder is generated during crushing, the yield is reduced, the material is abraded and impacted with equipment during crushing, the equipment is abraded, the material is polluted, and harmful impurities such as Fe, Cr, Mn and the like are brought in the equipment. In addition, the particle size distribution of the crushed material is wide and is not in normalized distribution.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical problem, provide a vertical selection by winnowing rubbing crusher for zirconium boiling chlorination trade.

In order to solve the technical problem, the utility model provides a technical scheme is a vertical selection by winnowing rubbing crusher for zirconium boiling chlorination trade, its characterized in that: comprises a crusher main body, a frame and a PLC, wherein the crusher main body is arranged on the frame and comprises an adjusting section at the top and a fixing section at the bottom, the bottom of the fixed section is connected with an air distributor, a speed reducer is arranged below the crusher main body, the speed reducer is electrically connected with the motor, the top of the speed reducer is provided with a stirrer extending into the fixed section, a zirconium lining plate is arranged on the inner wall of the fixed section, a zirconium oxide ball is arranged in the fixed section, a material level meter is arranged on one side of the fixed section, a charging pipe is arranged on the other side of the fixed section, the top of the feeding pipe is connected with a feed bin, the bottom of the feed bin is connected with the top of the feeding pipe through a star-shaped electric feeder, a discharge hole is arranged at the top of the adjusting section, a cavity pressure transmitter is arranged on one side of the adjusting section, which is positioned at the discharge hole, and an air inlet pipe is arranged on one side of the air distributor, and an electronic flowmeter and an air pressure transmitter are arranged on the air inlet pipe.

Preferably, a pressure sensor is arranged in the air inlet pipe, and the pressure sensor is connected to the electronic flowmeter through a PLC.

Preferably, the level meter is connected to the star-shaped electric feeder through a PLC.

Preferably, the zirconium liner plate is made of yttrium stabilized zirconia material.

Compared with the prior art, the utility model have following advantage:

1. the zircon sand and carbon (petroleum coke) or zirconium dioxide and carbon (petroleum coke) are continuously added into a grinder to be ground according to a certain proportion, and are swept out of the grinder by air at the same air speed, the grain sizes are matched, and the obtained mixture does not have the phenomenon of layering in a fluidized chlorination furnace.

2. The material processing is safe, and the single grinding processing of the carbon (petroleum coke) is easy to explode.

3. The finished product rate of the materials is high, no dust collecting fine powder exists, and the finished product rate is 100%.

4. The unit consumption of boiling carbon chloride of zircon sand and carbon (petroleum coke) or zirconium dioxide and carbon (petroleum coke) is reduced, the deslagging frequency is reduced by nearly 50%, the continuous production time is long, and the efficiency is improved.

5. The material generates heat with the friction of the stirrer and the cylinder wall, the heat is taken away by the air entering from the bottom, the water cooling of the cylinder wall is not needed, and the material is not needed to be dried and enter the boiling chlorination furnace.

6. The fixed section uses a zirconium lining plate, the grinding medium adopts yttrium stabilized zirconia balls to replace original chromium steel balls (the hardness of the yttrium stabilized zirconia balls is greater than that of the chromium steel balls), and because the grinding medium does not pollute materials, harmful impurities brought in by the crushed materials, such as Fe, Cr, Mn and the like are obviously reduced.

7. Similar to a winnowing structure, the crushed materials have concentrated granularity and narrow particle size width, the opportunity of grinding fine powder into ultrafine powder again is reduced, the fine powder is distributed in a normalized mode, dust collection of a chlorination furnace is reduced by 35%, and the metal recovery rate is indirectly improved.

8. The vibration is small, the noise is low, because the material is crushed without fine grinding, the heights of the grinding cylinder and the stirrer are reduced, the friction space is reduced, and compared with a vibration mill, a horizontal ball mill, a high-speed impact mill and a sand mill, the vibration is small, and the noise is low.

9. The equipment has simple structure, small occupied area, easy maintenance and low investment.

10. The finished product collecting bin can replace a boiling chlorination furnace to store a drying bin and can be grouped with a chlorination production line, and a main control DCS (distributed control System) of the production line can be connected with the drying bin to continuously smash a large number of materials, so that the production management is facilitated.

Drawings

Fig. 1 is a schematic structural view of a vertical winnowing pulverizer for zirconium boiling chlorination industry of the present invention.

As shown in the figure: 1. the crusher comprises a crusher main body, 2, a rack, 3, an adjusting section, 4, a fixing section, 5, an air distributor, 6, a speed reducer, 7, a motor, 8, a stirrer, 9, a zirconium lining plate, 10, a zirconia ball, 11, a level meter, 12, a feeding pipe, 13, a storage bin, 14, a star-shaped electric feeder, 15, a discharge port, 16, a cavity pressure transmitter, 17, an air inlet pipe, 18, an electronic flowmeter, 19 and a wind pressure transmitter.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With the attached drawings, the vertical winnowing pulverizer for the zirconium boiling chlorination industry is characterized in that: the automatic feeding device comprises a pulverizer main body 1, a rack 2 and a PLC, wherein the pulverizer main body 1 is installed on the rack 2, the pulverizer main body 1 comprises an adjusting section 3 at the top and a fixing section 4 at the bottom, an air distributor 5 is connected and arranged at the bottom of the fixing section 4, a speed reducer 6 is arranged below the pulverizer main body 1, the speed reducer 6 is electrically connected with a motor 7, a stirrer 8 extending into the fixing section 4 is arranged at the top of the speed reducer 6, a zirconium lining plate 9 is arranged on the inner wall of the fixing section 4, a zirconia ball 10 is arranged inside the fixing section 4, a level meter 11 is arranged at one side of the fixing section 4, a feeding pipe 12 is arranged at the other side of the fixing section 4, a bin 13 is connected and arranged at the top of the feeding pipe 12, the bottom of the bin 13 is connected to the top of the feeding pipe 12 through a star-shaped electric feeder 14, a discharge port 15 is, an air inlet pipe 17 is arranged on one side of the air distributor 5, and an electronic flowmeter 18 and a wind pressure transmitter 19 are arranged on the air inlet pipe 17.

The inside pressure sensor that is equipped with of intake pipe 17, pressure sensor passes through PLC and connects in electron flowmeter 18.

The level meter 11 is connected to the star-shaped electric feeder 14 through a PLC.

The zirconium lining plate 9 is made of yttrium-stabilized zirconia material.

The utility model discloses a zircon sand adds carbon (petroleum coke) or zirconium dioxide with carbon (petroleum coke) in proportion and adds rubbing crusher in succession, the rubbing crusher adopts the selection by winnowing, wind (compressed air) is through PLC control electronic flowmeter measurement, add through the distributor in rubbing crusher bottom, atmospheric pressure 0.3 ~ 0.6MPa, the boiling chlorination stove hearth air speed of the wind speed of rubbing crusher work with it uses unanimous, its crushing inner wall and grinding medium all adopt yttrium to stabilize the zirconia material, rubbing crusher divides canned paragraph and regulation section, its height is adjusted according to work air speed size to the regulation section, guarantee dense phase farine and in time discharge, crushing section is equipped with the level radar, the material level meter passes through the reinforced star type electric feeder of PLC control, (mixing) shaft and paddle are installed perpendicularly in the equipment lower part, it is speed reducer and four-level governor motor to link to each other with it, rubbing crusher internal pressure control 0 ~ 100 Pa.

The utility model discloses a concrete work flow:

1. proportionally mixing zircon sand with the grain diameter of less than 5 mm with carbon (petroleum coke) or zirconium dioxide and carbon (petroleum coke), and adding the mixture into a storage bin after uniformly mixing;

2. firstly, starting compressed air to pass through an electronic flowmeter, controlling the air pressure to be 0.3-0.6 MPa, adjusting the flow of the electronic flowmeter to reach a required precalculated value by a PLC (programmable logic controller) when the air pressure changes, enabling the compressed air to pass through a pipeline and enter a pulverizer through an air distributor, and controlling the internal pressure of the pulverizer to be 0-100 Pa;

3. starting a motor to drive a speed reducer and a stirrer to stir the zirconia balls;

4. starting the star-shaped electric feeder, when zircon sand and carbon (petroleum coke) or zirconium dioxide carbon (petroleum coke) enter the crusher through the feeding pipe and reach the set high value of the level meter, the PLC controller controls the star-shaped electric feeder to stop, and when the height of the star-shaped electric feeder reaches the set low value of the level meter, the PLC controller controls the star-shaped electric feeder to start;

5. the rotary stirrer slowly rotates in a fixed section zirconium lining plate cylinder filled with certain zirconia balls and zircon sand, carbon powder or zirconia carbon (petroleum coke), so that the zirconia balls, the zircon sand and the carbon powder perform integral multidimensional circulating motion and autorotation motion in the fixed section zirconium lining plate cylinder, the zirconia balls, the zircon sand and the carbon powder are mutually exchanged up and down and inside and outside the fixed section zirconium lining plate cylinder, under the gravity pressure of the zirconia balls and the extrusion force generated by the rotation of the spiral stirrer, the zircon sand and the carbon powder are effectively ground by friction and a small amount of impact and shearing, the metered compressed air is continuously blown in the cylinder, and a zircon sand carbon powder or zirconia carbon (petroleum coke) mixture with a certain range of particle sizes is obtained through an adjusting section and a discharge port.

The mixture ground at different air speeds is as follows:

the physical property requirements of the yttrium-stabilized zirconia material are as follows:

chemical components: ZrO294.6 percent Y2O35.2 plus or minus 0.2 percent; density: >6.0 g/cm; hardness: HRA >87, mohs grade 9; flexibility factor: 8.0 Mpa.m; crushing strength: 150kgf (2 mm); true specific gravity: 94.8% of 6.0g/cm3 zirconium oxide; 3.5-3.7g/cm3 yttrium oxide 5%.

The density and hardness of the grinding beads and zircon sand are shown in the following table:

the present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a vertical selection by winnowing rubbing crusher for zirconium boiling chlorination trade which characterized in that: comprises a pulverizer main body (1), a frame (2) and a PLC, wherein the pulverizer main body (1) is installed on the frame (2), the pulverizer main body (1) comprises a top adjusting section (3) and a bottom fixing section (4), an air distributor (5) is connected and arranged at the bottom of the fixing section (4), a speed reducer (6) is arranged below the pulverizer main body (1), the speed reducer (6) is electrically connected to a motor (7), a stirrer (8) extending into the fixing section (4) is arranged at the top of the speed reducer (6), a zirconium lining plate (9) is arranged on the inner wall of the fixing section (4), a zirconia ball (10) is arranged inside the fixing section (4), a level meter (11) is arranged on one side of the fixing section (4), a material level feeding pipe (12) is arranged on the other side of the fixing section, a material bin (13) is connected and arranged at the top of the feeding pipe (12), the bottom of the material bin (13) is connected to the top of the feeding pipe, adjust section (3) top and be equipped with discharge gate (15), it is equipped with cavity pressure transmitter (16) to lie in discharge gate (15) one side on adjusting section (3), air distributor (5) one side is equipped with intake pipe (17), be equipped with electronic flowmeter (18) and wind pressure transmitter (19) on intake pipe (17).

2. The vertical winnowing pulverizer for the zirconium boiling chlorination industry as claimed in claim 1, wherein: the air inlet pipe (17) is internally provided with a pressure sensor, and the pressure sensor is connected to the electronic flowmeter (18) through a PLC.

3. The vertical winnowing pulverizer for the zirconium boiling chlorination industry as claimed in claim 1, wherein: the level meter (11) is connected to the star-shaped electric feeder (14) through a PLC.

4. The vertical winnowing pulverizer for the zirconium boiling chlorination industry as claimed in claim 1, wherein: the zirconium lining plate (9) is made of yttrium-stabilized zirconia material.