Coal slime water separation device for coal conveying system

Abstract

The invention provides a coal slime water separating device for a coal conveying system, which comprises a coal slime water inlet, a liquid medicine inlet, a primary filtering device, a stirring cavity, a secondary filtering device, a water purifying box and a solid box, the coal slime water inlet is arranged on the top of the stirring cavity, the liquid medicine inlet is arranged on the side surface of the coal slime water inlet, and the secondary filtering device is arranged on the side surface of the stirring cavity. The first-stage filtering device is arranged in the stirring cavity, the second-stage filtering device is arranged at the bottom of the stirring cavity, the water purifying tank is arranged at the bottom of the second-stage filtering device, and the solid tank is arranged below the side of the second-stage filtering device; a surrounding pipe is arranged on the outer ring of the slime water inlet, the outer side of the surrounding pipe is connected with the liquid medicine inlet, and the inner side of the surrounding pipe is connected with the slime water inlet through a thin medicine pipe. The coal slime water still can be continuously received and treated in the coal slime water standing process, and the coal slime water separation efficiency is effectively improved.

Description

Technical Field

[0001] The invention belongs to the field of coal slurry water treatment equipment, and in particular relates to a coal slurry water separation device used in a coal transportation system. Background Art

[0002] Coal slime water is industrial wastewater mixed with coal powder and soil. In the process of coal production and processing, coal slime water is widely present and difficult to manage. Coal slime water is relatively stable in nature, and the sedimentation effect of simple static standing is poor, and it can hardly meet the treatment requirements. In order to meet the needs of environmental protection and green development, the research on coal slime water treatment technology is becoming more and more necessary. Among them, the coal slime water separation device is one of the important equipment for coal slime water treatment.

[0003] The invention patent with the existing patent number 202410324781.3 provides a coal slurry water separation device for mines, including a separation box, a stirring assembly, a dosing assembly, a static assembly and a separation assembly, wherein the stirring assembly includes a stirring air duct and a stirring fan, one end of the stirring air duct is tangentially connected to the separation box, and the other end of the stirring air duct is connected to the stirring fan; the static assembly includes a closing plate and a control part, the closing plate is hingedly arranged inside the stirring air duct, and the closing plate is provided with a static state and an air intake state corresponding to different opening and closing angles; the separation assembly includes a water separation part and a sedimentation separation part. In the actual application process of this technical solution, the coal slurry water and the dosing water in the separation box are fully stirred and then statically treated. During this process, the separation device cannot work continuously, so the efficiency of separating coal slurry water by this technical solution is low. Summary of the invention

[0004] 1. Technical issues to be resolved In view of the above technical problems, the present invention provides a coal slurry water separation device for a coal transportation system, which can continuously receive and process coal slurry water during the static process of the coal slurry water, and the coal slurry water separation efficiency is effectively improved.

[0005] (II) Technical solution The present invention provides a coal slurry water separation device for a coal transportation system, comprising a coal slurry water inlet, a medicine water inlet, a primary filtering device, a stirring chamber, a secondary filtering device, a clean water tank and a solid box, wherein the coal slurry water inlet is arranged at the top of the stirring chamber, the medicine water inlet is arranged at the side of the coal slurry water inlet, the primary filtering device is arranged inside the stirring chamber, the secondary filtering device is arranged at the bottom of the stirring chamber, the clean water tank is arranged at the bottom of the secondary filtering device, and the solid box is arranged at the lower side of the secondary filtering device; a surrounding pipe is arranged on the outer circle of the coal slurry water inlet, the outer side of the surrounding pipe is connected to the medicine water inlet, and the inner side of the surrounding pipe is connected to the coal slurry water inlet through a thin medicine tube.

[0006] In some embodiments of the present invention, the primary filtering device includes a driving unit, a rotating disc, a thin water pipe, a filter chamber and a flow blocking unit, the driving unit is arranged at the top of the stirring chamber, the rotating disc is arranged inside the coal slurry water inlet, the rotating disc rotates inside the coal slurry water inlet, the thin water pipe passes through the rotating disc and extends downward, the filter chamber is arranged at the bottom of the thin water pipe, a plurality of drainage holes are arranged on the side of the filter chamber, and the flow blocking unit is arranged on the outside of the filter chamber for controlling the drainage of the drainage holes.

[0007] In some embodiments of the present invention, the driving unit includes a rotating motor, a rotating rod, a first rotating gear, a transmission gear, a second rotating gear and a rotating disk. The rotating disk is fixedly mounted on a thin water pipe below the coal slurry water inlet, the second rotating gear is arranged on the outer ring of the rotating disk, the rotating motor is fixedly mounted on the top of the stirring chamber, the rotating rod is arranged at the output end of the rotating motor, the first rotating gear is arranged at the top of the rotating rod, and the first rotating gear and the second rotating gear are connected through the transmission gear.

[0008] In some embodiments of the present invention, the flow blocking unit includes a flow blocking plate, a water blocking pin, a connecting electromagnet plate, a reset spring and a fixed electromagnet plate. The flow blocking plate is fixedly arranged on the outside of the filter chamber. The size, quantity and position of the water blocking pin are matched with the drainage hole. The connecting electromagnet plate is arranged inside the flow blocking plate. A plurality of water blocking pins are fixedly arranged on the connecting electromagnet plate. A plurality of reset springs are arranged at the rear end of the connecting electromagnet plate. The fixed electromagnet plate is arranged on the rear side of the connecting electromagnet plate.

[0009] In some embodiments of the present invention, a coal slurry water backflow prevention device is provided at the connection between the inside of the coal slurry water inlet and the thin medicine tube; the coal slurry water backflow prevention device includes a lower baffle and an upper baffle, the lower baffle is semicircular and fixedly installed at the front end of the thin medicine tube, the upper baffle is hinged on the upper side of the front end of the thin medicine tube, the upper baffle is in the shape of a "7", the upper baffle includes a semicircular portion and a downward pressure portion, the semicircular portion is located at the front end of the thin medicine tube, and the downward pressure portion is located inside the coal slurry water inlet, the semicircular portion has the same shape as the lower baffle, and the semicircular portion and the lower baffle constitute an integral circular baffle for blocking the medicine in the thin medicine tube from entering the inside of the coal slurry water inlet, and a hinged limit device is provided at the hinge of the upper baffle, and the rotation angle of the upper baffle does not exceed 45 degrees.

[0010] In some embodiments of the present invention, a downpipe is provided at the bottom of the stirring chamber, a valve is provided on the downpipe, and the secondary filtering device is installed on the downpipe.

[0011] In some embodiments of the present invention, the secondary filtration device includes a filter box, a filter screen and a solid funnel, the solid funnel is arranged on the side of the filter box, the filter screen is slidably installed inside the filter box, the filter screen has multiple layers and is inclined toward the solid funnel, and the solid box is arranged below the solid funnel.

[0012] In some embodiments of the present invention, the clean water tank is disposed at the bottom of the downpipe below the secondary filtering device.

[0013] In some embodiments of the present invention, a filter layer is provided on the upper layer inside the clean water tank, and the filter layer is slidably installed inside the clean water tank.

[0014] In some embodiments of the present invention, the first-stage filter device is provided with six groups in total, and four groups of flow-blocking units are provided on the outer side of the filter cavity in each group of the first-stage filter device.

[0015] (III) Beneficial effects It can be seen from the above technical solution that the present invention has at least one of the following beneficial effects: In the present invention, the coal slurry water flows into the stirring chamber from top to bottom through the coal slurry water inlet. During the flow of the coal slurry water, the downward pressure portion of the upper baffle in the coal slurry water backflow prevention device is pressed downward by the water flow, and the semicircular portion of the upper baffle is lifted upward. The medicine in the thin medicine tube flows downward along with the coal slurry water. The coal slurry water is blocked by the downward pressure portion and will not flow back into the medicine in the thin medicine tube, thereby avoiding the phenomenon of the medicine being backflowed by the coal slurry water.

[0016] After the coal slurry and the medicinal solution are mixed, they enter the first-stage filter device through a thin water pipe. At this time, the connecting electromagnet plate and the fixed electromagnet plate are energized, the connecting electromagnet plate is attracted backward by the fixed electromagnet plate to compress the reset spring, and the water-blocking pin on the connecting electromagnet plate withdraws from the drainage hole on the filter chamber, and the coal slurry and the medicinal solution in the filter chamber enter the stirring chamber. When the coal slurry in the stirring chamber reaches a predetermined height, the connecting electromagnet plate and the fixed electromagnet plate are de-energized, and the water-blocking pin enters the drainage hole on the filter chamber; the driving unit drives the first-stage filter device to rotate, stirs the coal slurry and the medicinal solution in the stirring chamber to fully mix, and after the mixing is completed, the first-stage filter The device stops rotating, and after the coal slurry has finished standing, the valve on the downpipe is opened, and the filtered water enters the clean water tank through the secondary filtering device, and the solids enter the solid tank; before the coal slurry water in the stirring chamber is completely discharged, the coal slurry water still enters the filter chamber through the fine water pipe, and the filter chamber is in a closed state at this time, and the coal slurry water and the medicine complete the initial mixing and standing in the filter chamber, and when the coal slurry water in the stirring chamber is discharged, the filter chamber is opened, and the coal slurry water enters the stirring chamber again, and a part of the solids remain in the filter chamber; the present invention continuously receives and processes the coal slurry water during the process of separating the coal slurry water, and the separation efficiency of the coal slurry water is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0018] Figure 2 This is a schematic diagram of the structure of the first-stage filtration device.

[0019] Figure 3 It is a schematic diagram of the explosion of the filter cavity and the flow-blocking unit structure.

[0020] Figure 4 Schematic diagram of the flow-blocking unit structure.

[0021] Figure 5 It is a schematic diagram of the structure of the coal slurry water anti-backflow device, the coal slurry water inlet and the fine medicine tube.

[0022] [Description of the main components of the present invention] 1. Coal slurry water inlet; 2. Chemical water inlet; 3. Surrounding pipe; 4. Fine medicine tube; 5. Primary filtering device; 6. Stirring chamber; 7. Clean water tank; 8. Solid tank; 9. Secondary filtration device; 10. Valve; 11. Lower baffle; 12. Semicircular part; 13. Downward pressure part; 5-1. Rotating disc; 5-2. Fine water pipe; 5-3, filter chamber; 5-4, flow blocking unit; 5-5, rotating motor; 5-6, rotating rod; 5-7, first rotating gear; 5-8, transmission gear; 5-9, second rotating gear; 5-31, drainage hole; 5-41, water blocking pin; 5-42, baffle plate; 5-43, connecting electromagnet plate; 5-44, return spring; 5-45. Fix the electromagnet plate. DETAILED DESCRIPTION

[0023] The present invention provides a coal slurry water separation device for a coal transportation system. In order to make the purpose, technical solution and advantages of the present invention more clear, the present invention is further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. Specific embodiments

[0024] like Figure 1-5As shown, the present invention provides a coal slurry water separation device for a coal transportation system, comprising a coal slurry water inlet 1, a medicine water inlet 2, a primary filtering device 5, a stirring chamber 6, a secondary filtering device 9, a clean water tank 7 and a solid tank 8, wherein the coal slurry water inlet 1 is arranged at the top of the stirring chamber 6, the medicine water inlet 2 is arranged at the side of the coal slurry water inlet 1, a surrounding pipe 3 is arranged on the outer ring of the coal slurry water inlet 1, the outer side of the surrounding pipe 3 is connected to the medicine water inlet 2, the inner side of the surrounding pipe 3 is connected to the coal slurry water inlet 1 through a thin medicine tube 4, and a coal slurry water backflow prevention device is arranged at the connection between the inside of the coal slurry water inlet 1 and the thin medicine tube 4; the coal slurry water backflow prevention device comprises the following A baffle 11 and an upper baffle, wherein the lower baffle 11 is semicircular and fixedly mounted on the front end of the thin medicine tube 4, and the upper baffle is hinged on the upper side of the front end of the thin medicine tube. The upper baffle is in the shape of a "7", and comprises a semicircular portion 12 and a downward pressing portion 13, wherein the semicircular portion 12 is located at the front end of the thin medicine tube 4, and the downward pressing portion 13 is located inside the coal slurry water inlet 1. The semicircular portion 12 has the same shape as the lower baffle 11, and the semicircular portion 12 and the lower baffle 11 form an integral circular baffle for blocking the medicine in the thin medicine tube 4 from entering the coal slurry water inlet 1. A hinged limit device is provided at the hinge of the upper baffle, and the rotation angle of the upper baffle does not exceed 45 degrees; The primary filtering device 5 is arranged inside the stirring chamber 6, and the primary filtering device 5 includes a driving unit, a rotating disc 5-1, a thin water pipe 5-2, a filtering chamber 5-3 and a flow blocking unit 5-4. The driving unit is arranged at the top of the stirring chamber 6, the rotating disc 5-1 is arranged inside the coal slurry water inlet 1, the rotating disc 5-1 rotates inside the coal slurry water inlet 1, the thin water pipe 5-2 penetrates the rotating disc 5-1 and extends downward, the filtering chamber 5-3 is arranged at the bottom of the thin water pipe 5-2, and the filtering A plurality of drainage holes 5-31 are provided on the side of the cavity 5-3, the flow blocking unit 5-4 is provided on the outside of the filter cavity 5-3 to control the drainage of the drainage holes 5-31, the driving unit comprises a rotating motor 5-5, a rotating rod 5-6, a first rotating gear 5-7, a transmission gear 5-8, a second rotating gear 5-9 and a rotating disk, the rotating disk is fixedly mounted on the thin water pipe 5-2 below the coal slurry water inlet 1, the second rotating gear 5-9 is provided on the outer ring of the rotating disk, the rotating motor 5-5 is fixedly mounted on the stirring cavity 6 top, the rotating rod 5-6 is arranged at the output end of the rotating motor 5-5, the first rotating gear 5-7 is arranged at the top of the rotating rod 5-6, the first rotating gear 5-7 is connected with the second rotating gear 5-9 through the transmission gear 5-8, the blocking unit 5-4 includes a blocking plate 5-42, a water blocking pin 5-41, a connecting electromagnet plate 5-43, a reset spring 5-44 and a fixed electromagnet plate 5-45, the blocking plate 5-42 is fixedly arranged on the outside of the filter cavity 5-3, the water blocking pin 5-41 The size, quantity and position are matched with the drainage hole 5-31. The connecting electromagnet plate 5-43 is arranged inside the baffle plate 5-42. A plurality of water blocking pins 5-41 are fixedly arranged on the connecting electromagnet plate 5-43. A plurality of reset springs 5-44 are arranged at the rear end of the connecting electromagnet plate 5-43. The fixed electromagnet plate 5-45 is arranged at the rear side of the connecting electromagnet plate 5-43. The primary filter device 5 is provided with six groups in total. Four groups of baffle units 5-4 are arranged on the outer side of the filter cavity 5-3 in each group of the primary filter device 5. The secondary filtering device 9 is arranged at the bottom of the stirring chamber 6, the clean water tank 7 is arranged at the bottom of the secondary filtering device 9, the solid box 8 is arranged at the lower side of the secondary filtering device 9, a downpipe is arranged at the bottom of the stirring chamber 6, a valve 10 is arranged on the downpipe, and the secondary filtering device 9 is installed on the downpipe; the secondary filtering device 9 includes a filter box, a filter screen and a solid funnel, the solid funnel is arranged on the side of the filter box, the filter screen is slidably installed inside the filter box, the filter screen is provided with multiple layers and is inclined toward the solid funnel, and the solid box 8 is arranged below the solid funnel; the clean water tank 7 is arranged at the bottom of the downpipe below the secondary filtering device 9, a filter layer is provided on the upper layer inside the clean water tank 7, and the filter layer is slidably installed inside the clean water tank 7.

[0025] How it works The coal slurry enters the lower pressure baffle from the coal slurry water inlet 1, the medicine enters the coal slurry water inlet 1 from the thin medicine tube 4 and enters the filter chamber 5-3 with the coal slurry water through the thin water tube 5-2, and then enters the stirring chamber 6 through the filter chamber 5-3. When the amount of coal slurry water in the stirring chamber 6 reaches the preset value, the filter chamber 5-3 is closed, and the coal slurry water continues to enter the filter chamber 5-3. At this time, the first-level filter device 5 rotates to drive the medicine in the stirring chamber 6 to fully mix with the coal slurry water, and then the first-level filter device 5 stops rotating. After the coal slurry water in the stirring chamber 6 is allowed to stand, the valve 10 is opened, and the coal slurry water enters the clean water tank 7 through the secondary filter device 9. The solids are intercepted by the filter net and enter the solid box 8 through the solid funnel; when the coal slurry water in the stirring chamber 6 is discharged, the valve 10 is closed, the filter chamber 5-3 opens the drainage hole 5-31, and the coal slurry water that is preliminarily mixed and stood in the filter chamber 5-3 enters the stirring chamber 6 again.

[0026] So far, the present embodiment has been described in detail with reference to the accompanying drawings. Based on the above description, those skilled in the art should have a clear understanding of the present invention.

[0027] It should be noted that the implementation methods not shown or described in the drawings or the text of the specification are all forms known to ordinary technicians in the relevant technical field and are not described in detail. In addition, the above definitions of each element and method are not limited to the various specific structures, shapes or methods mentioned in the embodiments.

[0028] It should also be noted that this document may provide demonstrations of parameters containing specific values, but these parameters do not need to be exactly equal to the corresponding values, but can be approximated to the corresponding values ​​within an acceptable error tolerance or design constraint. The directional terms mentioned in the embodiments, such as "up", "down", "front", "back", "left", "right", etc., are only reference directions of the accompanying drawings and are not intended to limit the scope of protection of the present invention. In addition, unless the steps are specifically described or must occur in sequence, the order of the above steps is not limited to those listed above, and can be changed or rearranged according to the desired design. And the above embodiments can be mixed and matched with each other or with other embodiments based on design and reliability considerations, that is, the technical features in different embodiments can be freely combined to form more embodiments.

[0029] The specific embodiments described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A coal slurry water separation device for a coal transportation system, characterized in that: It includes a coal slurry water inlet, a medicine water inlet, a primary filtering device, a stirring chamber, a secondary filtering device, a clean water tank and a solid tank, wherein the coal slurry water inlet is arranged at the top of the stirring chamber, the medicine water inlet is arranged at the side of the coal slurry water inlet, the primary filtering device is arranged inside the stirring chamber, the secondary filtering device is arranged at the bottom of the stirring chamber, the clean water tank is arranged at the bottom of the secondary filtering device, and the solid tank is arranged at the lower side of the secondary filtering device; a surrounding pipe is arranged on the outer circle of the coal slurry water inlet, the outer side of the surrounding pipe is connected to the medicine water inlet, and the inner side of the surrounding pipe is connected to the coal slurry water inlet through a thin medicine tube.

2. The coal slurry water separation device for a coal transportation system according to claim 1, characterized in that: The primary filtering device includes a driving unit, a rotating disc, a thin water pipe, a filter chamber and a flow blocking unit, wherein the driving unit is arranged at the top of the stirring chamber, the rotating disc is arranged inside the coal slurry water inlet, the rotating disc rotates inside the coal slurry water inlet, the thin water pipe penetrates the rotating disc and extends downward, the filter chamber is arranged at the bottom of the thin water pipe, a plurality of drainage holes are arranged on the side of the filter chamber, and the flow blocking unit is arranged outside the filter chamber for controlling drainage of the drainage holes.

3. The coal slurry water separation device for a coal transportation system according to claim 2, characterized in that: The driving unit includes a rotating motor, a rotating rod, a first rotating gear, a transmission gear, a second rotating gear and a rotating disk. The rotating disk is fixedly mounted on a thin water pipe below the coal slurry water inlet. The second rotating gear is arranged on the outer ring of the rotating disk. The rotating motor is fixedly mounted on the top of the stirring chamber. The rotating rod is arranged at the output end of the rotating motor. The first rotating gear is arranged on the top of the rotating rod. The first rotating gear and the second rotating gear are connected through the transmission gear.

4. The coal slurry water separation device for a coal transportation system according to claim 3, characterized in that: The flow blocking unit includes a flow blocking plate, a water blocking pin, a connecting electromagnet plate, a reset spring and a fixed electromagnet plate. The flow blocking plate is fixedly arranged on the outside of the filter chamber. The size, quantity and position of the water blocking pin are matched with the drainage hole. The connecting electromagnet plate is arranged inside the flow blocking plate. A plurality of water blocking pins are fixedly arranged on the connecting electromagnet plate. A plurality of reset springs are arranged at the rear end of the connecting electromagnet plate. The fixed electromagnet plate is arranged on the rear side of the connecting electromagnet plate.

5. The coal slurry water separation device for a coal transportation system according to claim 1, characterized in that: A coal slurry water backflow prevention device is provided at the connection between the inside of the coal slurry water inlet and the thin medicine tube; the coal slurry water backflow prevention device includes a lower baffle and an upper baffle, the lower baffle is semicircular and fixedly installed at the front end of the thin medicine tube, the upper baffle is hinged on the upper side of the front end of the thin medicine tube, the upper baffle is in the shape of a "7", the upper baffle includes a semicircular portion and a downward pressure portion, the semicircular portion is located at the front end of the thin medicine tube, and the downward pressure portion is located inside the coal slurry water inlet, the semicircular portion has the same shape as the lower baffle, and the semicircular portion and the lower baffle form an integral circular baffle for blocking the medicine in the thin medicine tube from entering the inside of the coal slurry water inlet, and a hinged limit device is provided at the hinge of the upper baffle, and the rotation angle of the upper baffle does not exceed 45 degrees.

6. The coal slurry water separation device for a coal transportation system according to claim 2, characterized in that: A downpipe is provided at the bottom of the stirring chamber, a valve is provided on the downpipe, and the secondary filtering device is installed on the downpipe.

7. The coal slurry water separation device for a coal transportation system according to claim 6, characterized in that: The secondary filtration device includes a filter box, a filter screen and a solid funnel. The solid funnel is arranged on the side of the filter box. The filter screen is slidably installed inside the filter box. The filter screen has multiple layers and is inclined toward the solid funnel. The solid box is arranged below the solid funnel.

8. The coal slurry water separation device for a coal transportation system according to claim 7, characterized in that: The clean water tank is arranged at the bottom of the downpipe below the secondary filtering device.

9. The coal slurry water separation device for a coal transportation system according to claim 8, characterized in that: A filter layer is provided on the upper layer inside the clean water tank, and the filter layer is slidably installed inside the clean water tank.

10. The coal slurry water separation device for a coal transportation system according to claim 4, characterized in that: The first-stage filter device is provided with six groups in total, and four groups of flow-blocking units are provided on the outside of the filter cavity in each group of the first-stage filter device.

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