Slurry circulating box with built-in isobaric filter screen box

Abstract

The utility model relates to wet desulphurization equipment, in particular to a slurry circulating box with a built-in isobaric filter screen box, which comprises a shell, a plurality of filter screens and a plurality of filter screens, the stirrer comprises a rotating shaft of which the two ends are respectively connected with the inner bottom and the inner top of the shell, a driving motor which is arranged outside the shell, is connected with the rotating shaft and is used for providing power for the rotating shaft, and blades which are connected with the rotating shaft and are used for stirring slurry; the filter screen box is connected with the inner wall of the shell and is used for filtering the slurry; the feeding module is connected with the shell and comprises a plurality of conveying pipelines used for conveying slurry into the shell, and the conveying heights of any two conveying pipelines are different; the sensing detection module comprises a torque sensor connected with the rotating shaft and used for detecting the torque when the rotating shaft works and a flow sensor arranged in the conveying pipeline and used for detecting the flow of the conveying pipeline; the height of the filter screen box can be changed, and filter screen deformation caused by outlet pump pressure is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wet desulphurization equipment especially a slurry circulating tank with built-in equal pressure filter screen box. BACKGROUND

[0002] The wet type ball mill is provided with a spiral screen and a blow-off port at the tail of the wet type ball mill body during production, and the limestone material supplied by the supplier may contain wood chips and branches and other sundries, which are suspended on the surface of the slurry in the wet type ball mill and cannot be ground, and are likely to be washed into the spiral screen gap, enter the slurry circulating tank and the slurry supply pipeline, and be blocked at the slurry supply adjusting door, thereby affecting the slurry supply of the desulphurization system, and a small amount of filter screen is designed on the outlet pipeline of the slurry circulating tank, but the filter screen is blocked by sundries after long-term use, which may cause the output of the slurry circulating pump to decrease, therefore, how to improve the working efficiency of the slurry circulating tank and avoid blockage is a technical problem to be solved by the person skilled in the art. SUMMARY

[0003] Therefore, the utility model provides a slurry circulating tank with built-in equal pressure filter screen box to overcome the problem that the filter screen on the outlet pipeline of the slurry circulating tank is easily blocked after long-term use.

[0004] To achieve the above-mentioned purpose, the utility model provides a slurry circulating tank with built-in equal pressure filter screen box, which comprises:

[0005] A shell;

[0006] A stirrer comprising a rotating shaft connected to the inner bottom and the inner top of the shell respectively, a driving motor connected to the rotating shaft outside the shell to provide power for the rotating shaft, and blades connected to the rotating shaft to stir the slurry;

[0007] A filter screen box connected to the inner wall of the shell to filter the slurry;

[0008] A feeding module connected to the shell and comprising a plurality of conveying pipelines for conveying the slurry into the shell, and the conveying height of any two conveying pipelines is different;

[0009] A sensing and detecting module comprising a torque sensor connected to the rotating shaft to detect the torque of the rotating shaft during operation, and a flow sensor arranged in the conveying pipeline to detect the flow of the conveying pipeline.

[0010] Further, the height of the designed liquid level of the slurry is twice the height of the filter screen box, and the width of the filter screen box is 30% of the circumference of the side wall of the shell.

[0011] Further, any conveying pipeline is connected to a backwashing pipeline and a clean water pipeline, and valves are arranged on the conveying pipeline, the backwashing pipeline and the clean water pipeline.

[0012] Further, the filter screen box and the shell are connected through a sliding assembly.

[0013] Further, the filter screen box is a stainless steel box body with a plurality of mesh holes of the same area uniformly distributed on the surface.

[0014] Further, each water purification pipeline is connected with the clean water supply device.

[0015] Further, the shell side wall is provided with a plurality of slurry outlets, and the heights of the slurry outlets are different.

[0016] Further, the maximum height of the slurry outlet is less than the maximum height of the filter screen box.

[0017] Further, the shell side wall is provided with an overflow port.

[0018] Further, the shell top is provided with a slurry inlet.

[0019] Compared with the prior art, the beneficial effects of the utility model lie in that the torque sensor connected with the rotating shaft is arranged in the technical scheme of the utility model to detect the torque of the rotating shaft during work, the data monitored by the torque sensor can effectively reflect the stirring effect of the stirrer, and then the operator can change the rotating speed of the stirrer adaptively to improve the stirring effect.

[0020] Further, in the utility model, the filter screen box is arranged to effectively avoid the blockage of the slurry supply pipeline by sundries, and since the height of the filter screen box can be changed, the operator can change the height of the filter screen box according to the liquid level in actual application to avoid the deformation of the filter screen caused by the outlet pump pressure.

[0021] Further, in the utility model, any conveying pipeline is connected with a backwashing pipeline and a clean water pipeline, and the conveying pipeline, the backwashing pipeline and the clean water pipeline are all provided with valves, and the operator can determine whether to wash the conveying pipeline according to the monitoring data of the flow sensor to avoid the blockage of the conveying pipeline.

[0022] Further, in the utility model, the design liquid level of the slurry is twice the height of the filter screen box, which avoids the problem of deformation of the filter screen caused by the outlet pump pressure, and improves the filtering effect and service life of the filter screen box.

[0023] Further, in the utility model, the shell side wall is provided with a plurality of slurry outlets, and the heights of the slurry outlets are different, so that the operator can select different slurry outlets according to the actual liquid level in the shell to discharge the slurry. BRIEF DESCRIPTION OF DRAWINGS

[0024] Fig. 1 A schematic view of the slurry circulating tank with the built-in equal-pressure filter screen box of the utility model;

[0025] Fig. 2 A top view connection diagram of the single conveying pipeline of the utility model;

[0026] In the figure: shell 1, rotating shaft 2, blade 3, filter screen box 4, conveying pipeline 5, clean water pipeline 6, backwashing pipeline 7, overflow port 8, slurry outlet 9. DETAILED DESCRIPTION

[0027] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical solutions in the embodiments of the utility model are described clearly and completely, obviously, the following described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0028] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the embodiments of the utility model.

[0029] In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0030] In the description of the embodiments of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, 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 the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0031] Please refer to Figs. 1-2 The utility model provides a kind of slurry circulating tank with built-in equal-pressure filter screen box, including:

[0032] Shell 1;

[0033] The agitator comprises a rotating shaft 2 connected with the inner bottom and the inner top of the shell 1 respectively, a driving motor arranged outside the shell 1 and connected with the rotating shaft 2 to provide power for the rotating shaft 2, and a blade 3 connected with the rotating shaft 2 to agitate the slurry;

[0034] The filter screen box 4 is connected with the inner wall of the shell 1 to filter the slurry.

[0035] The feeding module is connected with the shell 1 and comprises a plurality of conveying pipes 5 for conveying the slurry into the shell 1, and the conveying heights of any two conveying pipes 5 are different.

[0036] The sensing and detecting module comprises a torque sensor connected with the rotating shaft 2 to detect the torque of the rotating shaft 2 during operation, and a flow sensor arranged in the conveying pipe 5 to detect the flow of the conveying pipe 5.

[0037] The shell 1 is a cylindrical hollow structure.

[0038] Specifically, the height of the designed liquid level of the slurry is twice the height of the filter screen box 4, and the width of the filter screen box 4 is 30% of the circumference of the side wall of the shell 1.

[0039] The designed liquid level is the minimum liquid level allowed for the shell 1 to load the slurry according to the actual application scenario set by the user, the height of the filter screen box 4 is the distance between the farthest point on the filter screen box 4 from the horizontal ground and the bottom of the shell 1, and the width of the filter screen box 4 is the maximum distance between the two connection points of the two connection points of the connection points of the filter screen box 4 and the side wall of the shell 1. 30% of the circumference of the side wall is 30% of the circumference of the circle with the position of the rotating shaft 2 as the center and the minimum distance between the side wall of the shell 1 and the center of the rotating shaft 2 as the radius.

[0040] Specifically, any conveying pipe 5 is connected with a backwashing pipe 7 and a clean water pipe 6, and valves are arranged on the conveying pipe 5, the backwashing pipe 7 and the clean water pipe 6. The valve is arranged on one end of the conveying pipe 5 away from the connection of the backwashing pipe 7 and the clean water pipe 6.

[0041] Specifically, the filter screen box 4 and the shell 1 are connected through a sliding assembly, and the specific use of the sliding assembly is not limited, and the height control of the filter screen box 4 can be realized. In the utility model, a sliding block guide rail that can be remotely controlled is used to realize the connection between the filter screen box 4 and the inner wall of the shell 1. By changing the height of the filter screen box 4, the filter screen box 4 can better adapt to the liquid level pressure in the shell 1, thereby improving the use effect of the filter screen box 4.

[0042] Specifically, the filter box 4 is a stainless steel box body with a plurality of uniform mesh areas on the surface, the filter box 4 comprises a heterogeneous surface and a connecting surface, the connecting surface is a horizontal filter surface, and the heterogeneous surface is an irregularly-shaped filter surface connected with the connecting surface, the filter surface perpendicular to the ground is connected with the inner side wall of the shell 1 through a sliding block guide rail, and the filter surface parallel to the ground is coated with plastic on the contact part of the inner side wall of the shell 1, so as to prevent impurities from flowing into the slurry outlet 9 through the contact part of the filter box 4 and the shell 1.

[0043] Specifically, each water purification pipeline 6 is connected with a clean water supply device.

[0044] Specifically, a plurality of slurry outlets 9 are arranged on the side wall of the shell 1, and the heights of the slurry outlets 9 are different.

[0045] Specifically, the maximum height of the slurry outlet 9 is less than the maximum height of the filter box 4.

[0046] Specifically, the overflow port 8 is arranged on the side wall of the shell 1.

[0047] Specifically, the slurry inlet is arranged on the top of the shell 1, and the shell 1 has a hollow cylindrical structure.

[0048] In the actual use process of the utility model, the operator can determine the flow condition of the slurry according to the torque of the rotating shaft 2 monitored by the torque sensor during operation, and then effectively control the rotating speed of the rotating shaft 2, so that the rotating speed of the rotating shaft 2 can meet the actual use requirement, and the operator can determine the liquid level height of the slurry in the shell 1 according to the observation of the human eye or the liquid level sensor in the shell 1, and then adjust the height of the filter box 4, so that the height of the filter box 4 can meet the actual use requirement, and the problem of filter deformation caused by the outlet pump pressure is avoided, and the operator can determine whether the conveying pipeline 5 is blocked according to the monitoring data of the flow sensor, and the valves of the water purification pipeline 6 and the backwashing pipeline 7 are opened correspondingly, the valve of the conveying pipeline 5 is closed, the water purification pipeline 6 pours clean water into the connected conveying pipeline 5, and the clean water in the conveying pipeline 5 is discharged through the backwashing pipeline 7, when the conveying pipeline 5 inputs the slurry, the valves of the water purification pipeline 6 and the backwashing pipeline 7 are closed, and the valve of the conveying pipeline 5 is opened.

[0049] For those skilled in the art, according to the idea of the embodiment of the utility model, the specific implementation and application range can be changed, and the above description should not be understood as a limitation of the utility model.

Claims

1. A slurry circulation tank with built-in isobaric screen box, characterized in that, The application relates to a slurry mixing device, which comprises a shell, a stirrer, a filter screen box, an inlet module and a sensing detection module. The stirrer comprises a rotating shaft connected with an inner bottom and an inner top of the shell respectively, a driving motor arranged outside the shell and connected with the rotating shaft to provide power for the rotating shaft, and blades connected with the rotating shaft to stir the slurry. The filter screen box is connected with the inner wall of the shell to filter the slurry. The inlet module is connected with the shell and comprises a plurality of conveying pipes for conveying the slurry into the shell, and the conveying height of any two conveying pipes is different. The sensing detection module comprises a torque sensor connected with the rotating shaft to detect the torque of the rotating shaft when the rotating shaft works, and a flow sensor arranged in the conveying pipe to detect the flow of the conveying pipe. The design liquid level of the slurry is twice the height of the filter screen box, and the width of the filter screen box is 30% of the circumference of the side wall of the shell.

2. The slurry circulation tank with built-in isobaric screen box according to claim 1, characterized in that, Any conveying pipe is connected with a backwashing pipe and a clean water pipe.

3. The slurry circulation tank with built-in isobaric screen box according to claim 2, characterized in that, Valves are arranged on the conveying pipe, the backwashing pipe and the clean water pipe. The filter screen box is connected with the shell through a sliding assembly.

4. The slurry circulation tank with built-in isobaric screen box according to claim 3, characterized in that, The filter screen box is a stainless steel box body with a plurality of mesh holes with the same area uniformly distributed on the surface.

5. The slurry circulation tank with built-in isobaric screen box according to claim 4, characterized in that, Each clean water pipe is connected with a clean water supply device.

6. The slurry circulation tank with built-in isobaric screen box according to claim 5, characterized in that, A plurality of slurry outlets are arranged on the side wall of the shell, and the setting height of each slurry outlet is different.

7. The slurry circulation tank with built-in equal pressure screen box of claim 6, wherein, The maximum height of the slurry outlet is smaller than the maximum height of the filter screen box.

8. The slurry circulation tank with built-in equal pressure screen box of claim 7, wherein, An overflow port is arranged on the side wall of the shell.

9. The slurry circulation tank with built-in isobaric screen box according to claim 8, characterized in that, A slurry inlet is arranged on the top of the shell.

10. The slurry circulation tank with built-in isobaric screen box according to claim 9, characterized in that, ​

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