A kind of ceramic sand production process section's de-cotton screening process

Abstract

The application provides a ceramic sand production process section's de-cotton screening process and relates to the technical field of ceramic sand processing.A ceramic sand production process section's de-cotton screening process comprises the following steps: S1: ceramic sand and ceramic cotton mixture after natural cooling to room temperature are sequentially introduced into a drum screen and a vibrating screen for screening, and light mass ceramic cotton in a screening chamber is guided out by a fan during the screening of the drum screen and the vibrating screen; S2: the ceramic cotton guided out by the fan is introduced into a filtering bin, and the filtering bin performs preliminary separation of ceramic sand in the ceramic cotton; S3: the ceramic cotton separated in the filtering bin is introduced into a separator, and the separator performs deep separation of ceramic sand in the ceramic cotton; S4: the ceramic sand separated in the filtering bin is introduced into the vibrating screen in S1 for cyclic treatment; and S5: the ceramic cotton separated in the separator is introduced into a cotton storage bin for storage.The application not only realizes the screening of ceramic sand with different particle sizes, but also removes ceramic cotton in the ceramic sand.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ceramic sand processing, in particular to a de-cotton screening process for a ceramic sand production process section. BACKGROUND

[0002] The ceramic sand has very good impact strength and toughness by using a unique process, a special production process and a pretreatment. The ceramic sand raw material is melted at a high temperature of 2000 DEG C or above in a melting furnace, and then the solution flows out of the melting furnace nozzle. The solution is blown into particles by using high-pressure gas and falls into a cooling bin for cooling. During the blowing process, not only the granular product of different purposes is blown out, but also the flocculent fiber byproduct is blown out. The granular product is ceramic sand, and the flocculent fiber byproduct is ceramic cotton.

[0003] After the mixture of the ceramic sand and the ceramic cotton is naturally cooled to room temperature, the screening process is needed. The existing screening process uses a vibrating screen, which can only screen the ceramic sand into different particle sizes, and cannot separate the ceramic cotton from the ceramic sand. SUMMARY

[0004] The present application aims to provide a de-cotton screening process for a ceramic sand production process section, which not only realizes the screening of ceramic sand with different particle sizes, but also removes the ceramic cotton from the ceramic sand.

[0005] The technical solution of the present application is as follows:

[0006] The technical solution of the present application provides a de-cotton screening process for a ceramic sand production process section, which includes the following steps:

[0007] S1: The mixture of the ceramic sand and the ceramic cotton naturally cooled to room temperature is sequentially introduced into a drum screen and a vibrating screen for screening. When the mixture is screened by the drum screen and the vibrating screen, the light-weight ceramic cotton in the screening chamber is guided out by a fan;

[0008] S2: The ceramic cotton guided out by the fan is introduced into a filtering bin, and the filtering bin performs a preliminary separation of the ceramic sand from the ceramic cotton;

[0009] S3: The ceramic cotton separated in the filtering bin is introduced into a separator, and the separator performs a deep separation of the ceramic sand from the ceramic cotton;

[0010] S4: The ceramic sand separated in the filtering bin is introduced into the vibrating screen in S1 for recycling;

[0011] S5: The ceramic cotton separated in the separator is introduced into a cotton storage bin for storage.

[0012] In some embodiments of the present application, another fan is arranged between the separator and the cotton storage bin for pressure boosting.

[0013] In some embodiments of the present invention, the ceramic sand and ceramic cotton mixture naturally cooled to room temperature in S1 is introduced into the drum screen through an elevator, and the elevator is controlled at a flow rate of 15-20 kg / min.

[0014] In some embodiments of the present invention, the lightweight ceramic wool in the screening chamber in S1 is introduced into the filtration chamber through a hose.

[0015] In some embodiments of the present invention, the drum screen in S1 rotates at a speed of 800 r / h.

[0016] In some embodiments of the present invention, a first feed port is provided on one side of the filter bin, and a first discharge port for discharging ceramic cotton is provided on the other side of the filter bin. Along the direction from the first feed port to the first discharge port, limit plates are provided on the top and bottom of the filter bin, and the limit plates at the top and bottom of the filter bin are staggered. A plurality of second discharge ports for discharging ceramic sand are provided at the bottom of the filter bin.

[0017] In some embodiments of the present invention, the separator includes a doffing shell, a second feed port connected to the first feed port is provided on the ring side of the doffing shell, a third feed port is provided at the bottom of the doffing shell, and a discharge pipe is connected to the top of the doffing shell, which extends to the interior of the doffing shell, and the horizontal plane of the discharge pipe is lower than the horizontal plane of the second feed port.

[0018] Compared with the prior art, the technical solution of the present invention has at least the following advantages or beneficial effects:

[0019] (1) In the present invention, the combination of the drum screen and the vibrating screen can screen out ceramic sand of different particle sizes; the negative pressure generated by the fan can remove the ceramic wool in the ceramic sand, and the combination with the filter chamber and the separation chamber can further remove the ceramic sand in the ceramic wool, and the separated ceramic wool is better.

[0020] (2) The ceramic sand separated from the filter bin is guided back to the vibrating screen for recycling, which realizes the further recovery of the ceramic sand and is more conducive to the recycling of the ceramic cotton discharged from the filter bin along with the ceramic sand. The recovery effect of both ceramic cotton and ceramic sand is improved.

[0021] (3) The cotton collection bin is used for the storage of ceramic cotton, which is convenient for the centralized recovery and management of separated ceramic cotton and the reuse of ceramic cotton. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0023] Figure 1 A flow chart of a de-cotton screening process of a ceramic sand production process section according to an embodiment of the present application;

[0024] Figure 2 A structure block diagram of cooperation of various devices in the de-cotton screening process of the ceramic sand production process section according to an embodiment of the present application;

[0025] Figure 3 A structure schematic diagram of cooperation of various devices in the de-cotton screening process of the ceramic sand production process section according to an embodiment of the present application;

[0026] Figure 4 A structure schematic diagram of the filter bin according to an embodiment of the present application;

[0027] Figure 5 A structure schematic diagram of the separator according to an embodiment of the present application.

[0028] Figure legend: 1-elevator, 2-vibrating screen, 3-tumbler screen, 4-fan, 5-hose, 6-filter bin, 7-de-cotton shell, 8-discharge pipe, 9-cotton collecting bin, 10-first feeding port, 11-limiting plate, 12-first discharge port, 13-second discharge port, 14-second feeding port, 15-third discharge port. DETAILED DESCRIPTION

[0029] EMBODIMENT

[0030] Please refer to Figures 1-5 A de-cotton screening process of a ceramic sand production process section, comprising the following steps:

[0031] S1: the ceramic sand and ceramic cotton mixture after natural cooling to room temperature are sequentially introduced into the tumbler screen 3 and the vibrating screen 2 for screening, and during the screening by the tumbler screen 3 and the vibrating screen 2, the light mass ceramic cotton in the screening chamber is guided out by the fan 4;

[0032] In this step, the tumbler screen 3 and the vibrating screen 2 can screen out ceramic sands of different particle sizes; the negative pressure effect generated by the fan 4 can remove the ceramic cotton in the ceramic sand, and the cooperation of the filter bin 6 and the separation bin can further remove the ceramic sand in the ceramic cotton, and the separated ceramic cotton is better.

[0033] The screening chambers of the tumbler screen 3 and the vibrating screen 2 are respectively connected with one fan 4, and the negative pressure corresponding to the tumbler screen 3 and the vibrating screen 2 can be adjusted autonomously.

[0034] S2: The ceramic cotton after being guided out by the fan 4 is introduced into the filtering bin 6, and the filtering bin 6 performs preliminary separation of the ceramic sand in the ceramic cotton;

[0035] S3: The ceramic cotton separated in the filtering bin 6 is introduced into the separator, and the separator performs deep separation of the ceramic sand in the ceramic cotton;

[0036] The negative pressure effect of the fan 4 can remove the ceramic cotton in the ceramic sand, and the filtering bin 6 and the separation bin can further remove the ceramic sand in the ceramic cotton, so that the separated ceramic cotton is better.

[0037] S4: The ceramic sand separated in the filtering bin 6 is introduced into the vibrating screen 2 in S1 for recycling treatment;

[0038] In this step, the ceramic sand separated in the filtering bin 6 is introduced back into the vibrating screen 2 for recycling treatment, which realizes further recycling treatment of the ceramic sand, is more conducive to recycling treatment of the ceramic cotton discharged with the ceramic sand in the filtering bin 6, and improves the recycling effect of the ceramic cotton and the ceramic sand.

[0039] S5: The ceramic cotton separated in the separator is introduced into the cotton storage bin 9 for storage; the cotton storage bin 9 is used for storing the ceramic cotton, which is convenient for centralized recycling management of the separated ceramic cotton and convenient for reuse of the ceramic cotton.

[0040] Through the screening process, the ceramic sand of different particle sizes is screened, and the ceramic cotton in the ceramic sand is also removed.

[0041] In some embodiments of the present application, another fan 4 is arranged between the separator and the cotton storage bin 9 for pressure boosting.

[0042] In the above embodiment, the fan 4 can quickly guide the ceramic cotton separated in the separator into the cotton storage bin 9, and the fan 4 has a speed adjusting switch, which can control the rotating speed of the fan 4 and adjust the speed of the ceramic cotton discharged from the separator into the cotton storage bin 9.

[0043] In some embodiments of the present application, the ceramic sand and ceramic cotton mixture naturally cooled to room temperature in S1 is introduced into the drum screen 3 through the elevator 1, and the above-mentioned elevator 1 is controlled at a flow rate of 15-20 kg / min.

[0044] In the above embodiment, the ceramic cotton and ceramic sand mixture naturally cooled to room temperature is stored in a material bin, and the elevator 1 can automatically transport the material in the material bin to the drum screen 3; the elevator 1 selected as the material conveying device has the advantages of small occupation area, high efficiency, good operation reliability and low cost.

[0045] In some embodiments of the present application, the light weight ceramic cotton in the screening chamber in S1 is introduced into the filtering bin 6 through the hose 5.

[0046] In the above embodiment, the ceramic cotton is introduced through the hose 5, so that the conveying direction is easy to adjust, and the use flexibility and practicability are higher.

[0047] In some embodiments of the present application, the drum screen 3 rotates at a speed of 800 r / h in S1.

[0048] In the above embodiment, the speed of 800 r / h is suitable for the separation of ceramic cotton and ceramic sand. It should be noted that the speed of 800 r / h is only one of the embodiments of the present application, and is not limited to the speed of the drum screen 3. In other embodiments, other speeds can also be selected.

[0049] In some embodiments of the present application, the filter bin 6 is provided with a first feeding port 10 on one side, and a first discharging port 12 for discharging ceramic cotton on the other side. Limiting plates 11 are arranged at the top and bottom of the filter bin 6 in the direction from the first feeding port 10 to the first discharging port 12, and the limiting plates 11 at the top and bottom of the filter bin 6 are staggered. A plurality of second discharging ports 13 for discharging ceramic sand are provided at the bottom of the filter bin 6.

[0050] In the above embodiment, the ceramic cotton is conveyed from the first feeding port 10 to the first discharging port 12 in the filter bin 6. The staggered limiting plates 11 have a blocking and limiting effect on the ceramic sand, which is discharged from the second discharging port 13 under the action of gravity, and the ceramic sand separated from the second discharging port 13 is introduced into the vibrating screen 2 in S1 for recycling. At the same time, the ceramic cotton with light weight is discharged through the first discharging port 12, realizing the preliminary treatment of the ceramic cotton and removing the ceramic sand in the ceramic cotton.

[0051] In some embodiments of the present application, the separating machine comprises a cotton removal shell 7. A second feeding port 14 is provided on the ring side of the cotton removal shell 7 and communicates with the first discharging port 12. A third discharging port 15 is provided at the bottom of the cotton removal shell 7. A discharging pipe 8 is connected to the top of the cotton removal shell 7 and extends into the interior of the cotton removal shell 7. The horizontal plane of the discharging pipe 8 is lower than the horizontal plane of the second feeding port 14.

[0052] In the above embodiment, the ceramic cotton discharged from the first discharging port 12 enters the cotton removal shell 7 through the second feeding port 14. Under the action of the booster fan 4, the ceramic cotton and ceramic sand move vertically downward, the ceramic cotton with light weight is discharged from the discharging pipe 8, and the ceramic sand with heavy weight continues to move and is discharged from the third discharging port 15, so that the ceramic sand and the ceramic cotton are more easily separated, the ceramic cotton is deeply treated, and the ceramic sand in the ceramic cotton is further removed. The collected ceramic cotton is conveyed from the discharging pipe 8 to the cotton collection bin 9 for recycling.

[0053] The above merely describes the preferred embodiments of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A de-cottoning and screening process for a ceramic sand production process, characterized in that: The following steps are involved: S1: After naturally cooling to room temperature, the mixture of ceramic sand and ceramic wool is sequentially introduced into the drum screen and the vibrating screen for screening. During the screening process, the light-weight ceramic wool in the screening chamber is discharged by the fan; S2: The ceramic wool discharged from the fan is passed into the filter chamber, where the filter chamber performs preliminary separation of ceramic sand from the ceramic wool; S3: The ceramic wool separated from the filter chamber is introduced into the separator, which performs deep separation of ceramic sand from the ceramic wool; S4: The ceramic sand separated in the filter bin is introduced into the vibrating screen in S1 for circulation treatment; S5: The ceramic cotton separated in the separator is introduced into the cotton collecting bin for storage; A first feed port is provided on one side of the filter bin, and a first discharge port for discharging ceramic wool is provided on the other side of the filter bin. Limit plates are provided on the top and bottom of the filter bin along the direction from the first feed port to the first discharge port, and the limit plates on the top and bottom of the filter bin are staggered. A plurality of second discharge ports for discharging ceramic sand are provided at the bottom of the filter bin; The separator includes a doffer shell, a second feed port connected to the first feed port is opened on the ring side of the doffer shell, a third feed port is opened at the bottom of the doffer shell, and a discharge pipe is connected to the top of the doffer shell, the discharge pipe extends to the interior of the doffer shell, and the horizontal plane of the discharge pipe is lower than the horizontal plane of the second feed port.

2. The de-cottoning and screening process for a ceramic sand production process according to claim 1, characterized in that: Another fan for boosting pressure is arranged between the separator and the cotton collecting bin.

3. The de-cottoning and screening process for a ceramic sand production process according to claim 1, characterized in that: The ceramic sand and ceramic cotton mixture naturally cooled to room temperature in S1 is introduced into the drum screen through an elevator, and the elevator is controlled at a flow rate of 15-20 kg / min.

4. The de-cottoning and screening process for ceramic sand production according to claim 3, characterized in that: The lightweight ceramic wool in the screening chamber of S1 is introduced into the filter chamber through a hose.

5. The de-cottoning and screening process for the ceramic sand production process according to claim 4, characterized in that: The drum screen in S1 rotates at a speed of 800r / h.

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