A device for cleaning and dehydrating heavy liquid

Abstract

The invention relates to the technical field of coal floating and sinking experiments, and discloses a heavy liquid cleaning and dehydration device, comprising a frame, on which a conveying device, a cleaning device and a water collecting and lifting mechanism are arranged, and also comprising a coal tray and a negative pressure dehydration device; the coal tray comprises a tray body and a mesh plate, the upper end of the tray body is open, and a water filter port is arranged on the bottom wall of the tray body; the mesh plate covers the water filter port; the conveying device transports the coal tray; the cleaning device comprises a cover body and a cleaning nozzle, the cover body is fixed on the frame, the upper end of the cover body is closed, and the lower end is provided with a connecting port; the cleaning nozzle is fixed on the cover body and sprays water into the cover body; the water collecting and lifting mechanism comprises a water collecting bucket and a lifting mechanism, the upper end of the water collecting bucket is open and adapted to the water filter port; the lifting mechanism is connected to the water collecting bucket and drives the water collecting bucket to rise and fall; the negative pressure dehydration device is connected to the lower end of the water collecting bucket. The cleaning and dehydration device can automatically complete the cleaning and dehydration of floating coal separated from the heavy liquid, and improve the cleaning and dehydration efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of coal floating and sinking experiments, in particular to a heavy liquid cleaning and dehydration device. Background Art

[0002] The coal floating and sinking test is an important indicator for testing coal quality. After separating the floating coal of each density level in the coal floating and sinking test, the residual heavy liquid needs to be cleaned. After cleaning the heavy liquid, there is still a lot of water. At present, there is no device dedicated to dehydrating the cleaned coal during the coal floating and sinking test on the market. Summary of the invention

[0003] The invention provides a heavy liquid cleaning and dehydration device, which solves the problem that there is no dehydration equipment dedicated to coal floating and sinking test in the prior art.

[0004] The technical solution of the present invention is implemented as follows: a heavy liquid cleaning and dehydration device, comprising a frame, on which a conveying device, a cleaning device and a water collecting and lifting mechanism are provided, and also comprising a coal tray and a negative pressure dehydration device;

[0005] The coal tray comprises

[0006] A disc body, wherein the upper end of the disc body is open and a water filter port is provided on the bottom wall of the disc body;

[0007] and a mesh plate, wherein the mesh plate covers the water filter port;

[0008] The conveying device conveys the coal tray;

[0009] The cleaning device comprises

[0010] A cover body, the cover body is fixed on the frame, the upper end of the cover body is closed, and the lower end is provided with a connection port adapted to the upper end opening of the coal tray;

[0011] and a cleaning nozzle, the cleaning nozzle being fixed on the cover body and spraying water into the cover body;

[0012] The water collecting lifting mechanism comprises

[0013] A water collecting hopper, the upper end of which is open and adapted to the water filter port;

[0014] and a lifting mechanism, the lifting mechanism being connected to the water collecting bucket and driving the water collecting bucket to rise and fall;

[0015] The negative pressure dehydration device is communicated with the lower end of the water collecting bucket.

[0016] As a preferred technical solution, a coal pan top sealing ring is provided on the upper end surface of the pan body, and a coal pan bottom sealing ring is provided on the outer side of the water filter port.

[0017] As a preferred technical solution, a clamping plate is further provided on the outer side wall of the disk body.

[0018] As a preferred technical solution, the conveying device includes two conveying lines arranged in parallel and conveying synchronously, a blocking cylinder is provided between the two conveying lines, and in the conveying direction of the conveying lines, the blocking cylinder is located downstream of the cover body.

[0019] As a preferred technical solution, the conveying device further includes two guide plates, and the two guide plates are respectively located on the outsides of the two conveying lines.

[0020] As a preferred technical solution, the conveyor line is a roller conveyor or a belt conveyor.

[0021] As a preferred technical solution, the lifting mechanism includes a lifting cylinder, and a piston rod of the lifting cylinder is fixedly connected to the water collecting bucket.

[0022] As a preferred technical solution, the negative pressure dehydration device includes

[0023] A pressure tank, the middle part of which is connected to the water collecting bucket, and a valve is provided at the bottom of the pressure tank;

[0024] and a vacuum pump, wherein the vacuum pump is communicated with the top of the pressure tank through a vacuum pipe.

[0025] As a preferred technical solution, the vacuum pump is fixed on the top of the pressure tank.

[0026] As a preferred technical solution, the cleaning nozzle is a rotating nozzle.

[0027] The beneficial effects of the present invention are as follows: the heavy liquid cleaning and dehydration device comprises a conveying device arranged on a frame, and the coal tray is transported on the conveying device; the cleaning device and the dehydration device are respectively located on the upper and lower sides of the coal tray, and the water collecting bucket of the dehydration device can connect the water collecting bucket, the coal tray and the cover body to form a sealed cavity under the drive of the jacking mechanism, and a cleaning nozzle is arranged in the cover body, and the floating coal is cleaned in the cavity. After cleaning, the dehydration device uses the effect of negative pressure to quickly pump out water, which saves time and facilitates the subsequent drying of the floating coal. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0029] Figure 1It is a schematic diagram of the structure of the present invention;

[0030] Figure 2 It is a cross-sectional structural schematic diagram of the present invention;

[0031] Figure 3 It is a schematic diagram of the coal tray structure of the present invention.

[0032] Figure 4 It is a schematic diagram of the water collecting bucket structure of the present invention.

[0033] In the figure: 1-conveying device, 2-blocking cylinder, 3-hood, 4-frame, 5-connecting block, 6-connecting plate, 7-cleaning nozzle, 8-water inlet pipe, 9-coal tray, 91-mesh plate, 92-coal tray bottom sealing ring, 93-tray body, 94-coal tray top sealing ring, 95-card, 10-guide plate, 11-hose, 12-vacuum tube, 13-vacuum pump, 14-pressure tank, 15-valve, 16-lifting connecting plate, 17-lifting cylinder, 18-flange cylinder, 19-control system, 20-water collecting bucket, 201-water collecting bucket body, 202-water collecting bucket sealing ring, 203-flange, 21-hard pipe, 22-valve pipe, 23-drain pipe. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. The description of these implementations is used to help understand the present invention, but does not constitute a limitation of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0036] A heavy liquid cleaning and dehydration device, such as Figure 1 and Figure 2 As shown, the frame 4 is composed of aluminum profiles through connecting blocks 5, and the frame 4 is provided with a conveying device 1, a cleaning device and a water collecting and lifting mechanism, and is a carrier of the conveying device 1, the water collecting and lifting mechanism and the cleaning device. The frame 4 also includes a coal tray 9 and a negative pressure dehydration device.

[0037] The coal tray 9 includes a tray body 93 and a mesh plate 91. Figure 3 As shown, the upper end of the disk 93 is open, and a water filter port is provided on the bottom wall of the disk 93; the mesh plate 91 covers the water filter port. Preferably, the water filter port is provided in the middle of the disk 93. The mesh plate 91 is fixed to the disk 93 by screws or welding, and preferably, the mesh plate 91 is inside the disk 93.

[0038] Preferably, a coal tray top seal ring 94 is provided on the upper opening of the tray body 93, and a coal tray bottom seal ring 92 is provided on the outer side of the water filter port. When the coal tray 9 is docked with the cover body 3 and the water collecting hopper 20, the coal tray top seal ring 94 and the coal tray bottom seal ring 92 are conducive to the sealing of the docking. A sealing groove is provided on the upper edge of the tray body 93, and the coal tray top seal ring 94 is glued in the sealing groove; similarly, the coal tray bottom seal ring 92 is glued in the sealing groove at the bottom of the tray body 93.

[0039] Furthermore, a clamping plate 95 is provided on the outer wall of the tray body 93 to facilitate the coal tray 9 to be grabbed by a grabbing device.

[0040] The conveying device 1 conveys the coal tray 9; the conveying device 1 comprises two conveying lines which are arranged in parallel and convey synchronously, and the conveying lines are roller conveyors or belt conveyors.

[0041] A blocking cylinder 2 is provided between the two conveying lines, the blocking cylinder 2 is bolted to the frame 4, and the blocking cylinder 2 is arranged near the cover 3. Optimally, in the conveying direction of the conveying device 1, the blocking cylinder 2 is located downstream of the cover 3 to accurately position the conveyed coal tray 9.

[0042] Furthermore, the conveying device further comprises two guide plates 10 , which are fixed to the outer sides of the two conveying lines by bolts to guide the coal tray 9 .

[0043] The cleaning device comprises a cover body 3 and a cleaning nozzle 7 .

[0044] The upper end of the cover body 3 is fixed to the connecting plate 6 of the frame 4 through a flange structure. The upper end of the cover body 3 is closed, and the lower end is provided with a connection port adapted to the upper end opening of the coal tray; preferably, the cover body 3 is a structure that is small at the top and large at the bottom.

[0045] The cleaning nozzle 7 is fixed on the cover body 3 and sprays water into the cover body 3; the upper end inlet of the cleaning nozzle 7 is connected with a water inlet pipe 8. Preferably, the cleaning nozzle 7 is a rotating nozzle, and when water passes through the water inlet pipe 8, the cleaning nozzle 7 can rotate to spray water evenly.

[0046] The water collecting and lifting mechanism comprises a water collecting bucket 20 and a lifting mechanism. Under the lifting action of the lifting mechanism, the water collecting bucket 20, the coal tray 9 and the cover body 3 form a sealed cavity for cleaning the floating coal.

[0047] like Figure 4 As shown, the water collecting bucket 20 includes a water collecting bucket body 201, the upper end opening of the water collecting bucket body 201 is adapted to the water filter port; a water collecting bucket sealing ring 202 is provided on the upper end surface of the water collecting bucket body 201, and a flange 203 is provided at the lower end.

[0048] The lifting mechanism is connected to the water collecting bucket 20 and drives the water collecting bucket 20 to rise and fall; the lifting mechanism includes a lifting cylinder 17, the bottom of the cylinder body of the lifting cylinder 17 is fixed to the middle part of the lifting connecting plate 16 by bolt connection, and the lifting connecting plate 16 is connected to the bottom aluminum profile of the frame 4 by bolts. The piston rod of the lifting cylinder 14 is fixedly connected to the water collecting bucket 20 through the flange tube 18. A hole is opened in the middle part of the flange tube 18, and the hose 11 can pass through the hole. The upper end of the flange tube 18 is connected to the flange plate 203 of the water collecting bucket 20 by bolts. Therefore, when the lifting cylinder 17 moves, the water collecting bucket 20 moves with it.

[0049] The negative pressure dehydration device is connected to the lower end of the water collecting bucket 20 to dehydrate the floating coal. The negative pressure dehydration device includes a pressure tank 14 and a vacuum pump 13. The middle part of the pressure tank 14 is connected to the water collecting bucket 20. Specifically, a joint is opened in the middle part of the pressure tank 14. The outside of the joint is connected to the hose 11 below the water collecting bucket 20. The inside of the joint is a hard pipe 21, and the outlet of the pipe is downward. The bottom of the pressure tank 14 is a conical head, and the bottom of the conical head is connected to the valve 15 through the valve pipe 22. The vacuum pump 13 is connected to the top of the pressure tank 14 through the vacuum pipe 22. Optimally, the vacuum pump 13 is fixed to the top of the pressure tank 14.

[0050] The frame 4 is also provided with a control module 19 etc. to realize automatic control of the equipment.

[0051] In the cleaning and dehydration state, the lifting cylinder 17 squeezes the water collecting bucket 20, the coal pan 9 and the cover body 3 into a closed cavity, and the cleaning nozzle 7 on the cover body 3 sprays water to clean the floating coal. Because the bottom of the coal pan 9 is a mesh plate 93, water will leak into the water collecting bucket 20. The valve 15 is open, and the water in the water collecting bucket 20 will flow into the pressure tank 14 through the hose 11 and be directly discharged to complete the cleaning of the floating coal.

[0052] After the floating coal is cleaned, the water collecting and lifting mechanism is still in the lifting state. At this time, the valve 14 is closed and the vacuum pump 13 is turned on. The floating coal soaked in water will quickly drain the water into the pressure tank 14 under the action of gravity and vacuum. After a period of time, the vacuum pump 13 stops working; open the valve 15 to discharge the drained water, and the dehydration work is completed at this time.

[0053] After the coal tray 9 is cleaned and dehydrated, the lifting cylinder 17 and the blocking cylinder 2 fall back, and the coal tray 9 falls onto the conveying system. The conveying device 1 transfers the coal tray 9 to the next process, and the cleaning and dehydration of the entire floating coal is completed.

[0054] The cleaning and dehydration device can automatically complete the cleaning and dehydration of the floating coal separated from the heavy liquid, replacing manual labor, improving the cleaning and dehydration efficiency, and facilitating the subsequent drying of the floating coal.

[0055] The above description is only a preferred 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 principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for heavy liquid cleaning and dehydration, Features: It includes a frame, on which a conveying device, a cleaning device and a water collecting and lifting mechanism are provided, and also includes a coal tray and a negative pressure dehydration device; The coal tray comprises A disc body, wherein the upper end of the disc body is open and a water filter port is provided on the bottom wall of the disc body; and a mesh plate, wherein the mesh plate covers the water filter port; A coal pan top sealing ring is provided on the upper end surface of the pan body, and a coal pan bottom sealing ring is provided on the outer side of the water filter port; The conveying device conveys the coal tray; The cleaning device comprises A cover body, the cover body is fixed on the frame, the upper end of the cover body is closed, and the lower end is provided with a connection port adapted to the upper end opening of the coal tray; and a cleaning nozzle, the cleaning nozzle is fixed on the cover body and sprays water into the cover body; the water collection lifting mechanism includes A water collecting hopper, the upper end of which is open and adapted to the water filter port; and a lifting mechanism, the lifting mechanism being connected to the water collecting bucket and driving the water collecting bucket to rise and fall; The negative pressure dehydration device is connected to the lower end of the water collecting bucket; The conveying device comprises two conveying lines which are arranged in parallel and convey synchronously, a blocking cylinder is arranged between the two conveying lines, and in the conveying direction of the conveying lines, the blocking cylinder is located downstream of the cover body.

2. A heavy liquid cleaning and dehydration device as claimed in claim 1, Features: A clamping plate is also provided on the outer side wall of the disk body.

3. A heavy liquid cleaning and dehydration device as claimed in claim 1, Features: The conveying device also includes two guide plates, and the two guide plates are respectively located on the outsides of the two conveying lines.

4. A heavy liquid cleaning and dehydration device as claimed in claim 1, Features: The conveyor line is a roller conveyor or a belt conveyor.

5. A heavy liquid cleaning and dehydration device as claimed in claim 1, Features: The lifting mechanism comprises a lifting cylinder, and a piston rod of the lifting cylinder is fixedly connected to the water collecting bucket.

6. A heavy liquid cleaning and dehydration device as claimed in claim 1, Features: The negative pressure dehydration device comprises A pressure tank, the middle part of which is connected to the water collecting bucket, and a valve is provided at the bottom of the pressure tank; and a vacuum pump, wherein the vacuum pump is communicated with the top of the pressure tank through a vacuum pipe.

7. A heavy liquid cleaning and dehydration device as claimed in claim 6, Features: The vacuum pump is fixed on the top of the pressure tank.

8. A heavy liquid cleaning and dehydration device as claimed in claim 1, Features: The cleaning nozzle is a rotating nozzle.

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