Filtering device for iron oxide pigment

Abstract

The utility model discloses an iron oxide pigment filtering device which comprises a material sieving pool, a slag pool and a sieving mechanism installed on the top of the material sieving pool and the top of the slag pool through a support, a sieving drum of the sieving mechanism is in a transversely-placed circular truncated cone shape, the small end of the sieving drum is a feeding port, and the large end of the sieving drum is a slag outlet. The slag outlet is located over the slag pool, and a spraying mechanism is arranged above the screen drum. The spraying mechanism is arranged above the screen drum, and materials in the screen drum are flushed through the spraying mechanism during filtering, so that iron oxide pigments adhered to the surfaces of the materials are flushed down and enter the material screening pool, the filtering effect on the materials is better, waste caused by the fact that the iron oxide pigments enter a slag pool is avoided, and the iron oxide pigments are prevented from entering the slag pool. The yield of the iron oxide pigment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of filtering devices of iron oxide pigment. BACKGROUND

[0002] Iron oxide pigment is with ferrous sulfate, iron sheet, liquid alkali etc. As main raw material, it is produced using "wet method sulphate" oxidation method, and the whole oxidation process is a gas, liquid, solid three-phase reaction. Currently, iron oxide pigment needs to be filtered after oxidation reaction, and the large particle materials therein are filtered out. Currently, screening mechanism is usually used for processing, but the conventional screening mechanism has the following defects: the screening effect of screening mechanism is not ideal, and the surface of the large particle materials filtered out is adhered with a lot of qualified iron oxide pigment, causing a lot of qualified iron oxide pigment to be wasted. SUMMARY

[0003] In view of the above problems, the utility model provides a kind of filtering devices of iron oxide pigment, effectively solve the problem indicated in background art.

[0004] The technical scheme adopted by the utility model is:

[0005] A kind of filtering device of iron oxide pigment, including screening pool and slag pool, and the screening mechanism installed on the top of screening pool and slag pool by support, the screen cylinder of screening mechanism is transversely placed circular table type, the smaller end of screen cylinder is feed inlet, and the larger end is slag outlet, the slag outlet is located directly above slag pool, and the upper side of screen cylinder is equipped with spray mechanism.

[0006] As preferred, the spray mechanism includes spray pipe placed along the axis of screen cylinder, and the spray pipe is provided with spray head on the side facing the axis of screen cylinder.

[0007] The spray head of spray pipe faces the axis of screen cylinder, thereby improving the washing effect of spray head on screen cylinder.

[0008] As preferred, the spray pipe has three, and is equidistantly distributed above screen cylinder, and the same end of three spray pipes is provided with distribution pipe communicated with three spray pipes, the distribution pipe is connected with main pipeline, and the main pipeline is provided with main valve.

[0009] As preferred, the distribution pipe is arc-shaped coaxial with screen cylinder, and the connection of three spray pipes and distribution pipe is located at both ends and middle part of distribution pipe respectively.

[0010] Three spray pipes are distributed along the circumference of screen cylinder, and when all are opened, the washing area of spray mechanism can be increased, and the washing effect can be improved.

[0011] As preferred, spray valve is respectively arranged on three spray pipes.

[0012] Three spray pipes are respectively provided with spray valves, which can be opened according to the deslagging condition, when the deslagging is relatively clean, that is, the surface of the deslagging does not adhere to the iron oxide pigment, the number of the opened spray valves is reduced, water and electricity are saved, when the deslagging is not clean, that is, the surface of the deslagging adheres to the iron oxide pigment, the number of the opened spray valves is increased, and the flushing effect is improved.

[0013] The utility model discloses a spray mechanism is arranged at the upper portion of the sieve cylinder, and the material in the sieve cylinder is washed by the spray mechanism during filtering, so that the iron oxide pigment adhered to the surface of the material is washed down into the screening pool, the filtering effect of the material is better, the iron oxide pigment is prevented from entering the slag pool and causing waste, and the yield of the iron oxide pigment is improved. ACCURATE DRAWING

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is Figure 1 It is a right side structure schematic diagram of the spray mechanism. DETAILED DESCRIPTION

[0016] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0017] It should be noted that the terms used herein are only for the purpose of describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is intended to include the plural form, and in addition, it should be understood that when the terms "comprise" and / or "include" are used in the description of the present application, they indicate the presence of a feature, step, operation, device, component and / or their combination.

[0018] In addition, in the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0019] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purpose and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined as "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more than two, unless otherwise explicitly limited.

[0020] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or can include the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the vertical direction of the first feature above and obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "lower", "lower" and "lower" of the first feature to the second feature include the vertical direction of the first feature below and obliquely below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0022] The present application will be further described in detail below by specific embodiments in conjunction with the drawings.

[0023] As shown in Figure 1 , 2 An iron oxide pigment filtering device, comprising a screening pool 1 and a residue pool 2, and a screening mechanism 4 mounted on the top of the screening pool 1 and the residue pool 2 through a support 3, the screen cylinder 41 of the screening mechanism 4 is in a horizontal circular table type, the smaller end of the screen cylinder 41 is a feeding port, and the larger end is a residue outlet, the residue outlet is located directly above the residue pool 2, and a spraying mechanism 5 is arranged above the screen cylinder 41.

[0024] The spraying mechanism 5 comprises a spraying pipe 51 arranged in the axial direction of the screen cylinder 41, and the spraying pipe 51 is provided with a spray head 52 on the side facing the axis of the screen cylinder 41.

[0025] The three spray pipes 51 are provided with spray valves 56.

[0026] The distribution pipe 53 is in the shape of a circular arc coaxial with the sieve cylinder 41, and the three spray pipes 51 are connected to the two ends and the middle of the distribution pipe 53.

[0027] The three spray pipes 51 are provided with spray valves 56.

[0028] The working principle of the utility model is as follows:

[0029] When the iron oxide pigment is filtered, the sieving mechanism 4 is normally operated, that is, the motor of the sieving mechanism 4 drives the sieve cylinder 41 to rotate, and when the sieve cylinder 41 rotates, the iron oxide pigment in the sieve cylinder 41 falls into the sieving pool 1 after passing through the filter cloth wrapped outside the sieve cylinder 41, and the large-particle materials remain in the sieve cylinder 41 to continue rolling and moving towards the lower end of the sieve cylinder 41 until falling into the slag pool 2.

[0030] The spray mechanism 5 can control the number of opened spray valves 56 according to the slagging condition of the sieve cylinder 41 when working, and the specific control is as follows:

[0031] 1. When starting for the first time, the spray valve 56 on the middle spray pipe 51 is opened, and only the spray head 52 on the spray pipe 51 is used for flushing;

[0032] 2. The slagging condition of the sieve cylinder 41 is observed, if the slagging is relatively clean and the surface of the large-particle materials is not adhered with iron oxide pigment, the spray valve 56 on the middle spray pipe 51 is kept open, if the slagging is not clean and the surface of the large-particle materials is adhered with a large amount of iron oxide pigment, the spray valve 56 on the middle spray pipe 51 is kept open and the spray valve 56 on another spray pipe 51 is opened to improve the flushing effect until all the three spray valves 56 are opened.

[0033] The utility model discloses the setting of the three spray pipes 51 can select the flushing capacity of the spray mechanism 5 according to the actual slagging condition, so that the effect of energy saving and emission reduction is achieved.

[0034] Finally, it should be noted that the above is only the specific embodiments of the present application. Obviously, the present application is not limited to the above embodiments, but can have many variations. All variations that can be directly derived or inferred from the present application disclosed herein by those of ordinary skill in the art should be considered within the scope of the present application.

Claims

1. A filtering device for iron oxide pigments, characterized in that, The device comprises a screening material pool (1) and a slag pool (2), and a screening mechanism (4) installed on the top of the screening material pool (1) and the slag pool (2) through a support (3), the screening cylinder (41) of the screening mechanism (4) is in a horizontal circular table type, the smaller end of the screening cylinder (41) is a feeding port, and the larger end is a slag discharging port, the slag discharging port is located directly above the slag pool (2), and a spraying mechanism (5) is arranged above the screening cylinder (41).

2. A filtering device for iron oxide pigments according to claim 1, characterized in that, The spraying mechanism (5) comprises spraying pipes (51) arranged in the axial direction of the screening cylinder (41), and the spraying pipes (51) are provided with spray heads (52) on the side facing the axis of the screening cylinder (41).

3. A filtering device for iron oxide pigments according to claim 2, characterized in that The spraying pipes (51) are three in number and are equidistantly distributed above the screening cylinder (41), the same end of the three spraying pipes (51) is provided with a distribution pipe (53) connected with the three spraying pipes (51), the distribution pipe (53) is connected with a main pipeline (54), and the main pipeline (54) is provided with a main valve (55).

4. A filtering device for iron oxide pigments according to claim 3, characterized in that The distribution pipe (53) is in a circular arc shape coaxial with the screening cylinder (41), and the connection positions of the three spraying pipes (51) and the distribution pipe (53) are respectively located at the two ends and the middle of the distribution pipe (53).

5. A filtering device for iron oxide pigments according to claim 4, characterized in that The three spraying pipes (51) are respectively provided with spraying valves (56).

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