Oil-containing sludge leaching disposal device

Abstract

The application discloses a novel oily sludge leaching treatment device and belongs to the technical field of oily sludge treatment equipment. The device comprises a leaching solid-liquid separation mechanism, the leaching solid-liquid separation mechanism comprises a lower shell, an upper shell and a feeding hopper, the upper shell and the lower shell are in mesh connection, the feeding hopper is located at a round hole position on the upper side of the upper shell, an annular support is arranged in the lower shell, a filter screen is arranged on the annular support, and a leaching tower is arranged on the upper side of the filter screen. Through the application, the oily sludge can be directly introduced during the repair and treatment of the oily sludge, the oily sludge does not need to be spread flat for the convenience of subsequent leaching, time and labor are saved, and the cooperation of the special-shaped filter hole and the three-pronged convex block enables the tailings to be blocked while the oily sludge and the leaching agent are filtered, the tailings are prevented from being embedded in the filter hole, and the leaching effect is improved.

Description

TECHNICAL FIELD

[0001] The present application mainly relates to the technical field of oily sludge disposal equipment, and particularly relates to a novel oily sludge leaching disposal device. BACKGROUND

[0002] Oily sludge refers to oily solid waste generated in the process of ore mining, transportation and processing. Tailings in the oily solid waste refer to waste discharged by an ore dressing plant under specific economic and technical conditions after ore is ground and useful components are selected. The tailings slurry discharged by the ore dressing plant is the main component of industrial waste, which contains a certain amount of useful metals and minerals and can be regarded as a kind of composite silicate carbonate mineral material. The content of the main useful components in the tailings is referred to as the tailings grade, which is an important parameter for selecting an economic and reasonable ore dressing scheme and evaluating the selectability of the ore.

[0003] Chemical leaching technology is an effective method for treating oily sludge. Through leaching, the oil components in the oily sludge can be effectively removed. The leaching technology has the advantages of wide application range, quick effect, large treatment capacity and remarkable effect.

[0004] The traditional oily sludge leaching technology collects oily sludge, puts the oily sludge on the filter plate in the leaching tank, and then uses a leaching agent to wash and remove the oil components in the oily sludge. After leaching, solid-liquid separation is required, and the oily leaching liquid is collected and treated. The clean tailings are backfilled or transported to other places. However, this leaching technology has the problems of large equipment area, and since the oily sludge mixture has a certain viscosity, it is not easy to filter. Larger mud blocks or tailings particles can be directly stuck on the filter hole, so that the mesh holes on the filter plate are easily blocked, the leaching effect is poor, and the operation is complex. SUMMARY

[0005] The technical scheme of the present application provides a significantly different solution from the prior art to solve the technical problem that the mesh holes on the filter plate are easily blocked and the leaching effect is poor.

[0006] The technical scheme adopted by the present application to solve the above technical problem is as follows:

[0007] A novel oily sludge leaching disposal device, comprising a leaching solid-liquid separation mechanism, the leaching solid-liquid separation mechanism comprising a lower shell, an upper shell and a feed hopper, and the upper shell and the lower shell are engagedly connected, the feed hopper is located at the position of the circular hole on the upper side of the upper shell, an annular support is arranged in the lower shell, a filter screen is arranged on the annular support, and a leaching tower is arranged on the upper side of the filter screen.

[0008] The elution tower piece has five layers, from top to bottom, the first tower layer, the second tower layer, the third tower layer, the fourth tower layer and the fifth tower layer, and the cross-sectional radius of each tower layer gradually increases, the first tower layer, the second tower layer, the third tower layer, the fourth tower layer and the fifth tower layer are respectively surrounded by six, ten, fourteen, eighteen and twenty-two triangular convex blocks, the periphery of each triangular convex block is provided with a special filter hole, the lower edge of each special filter hole is provided with a flow channel, each special filter hole includes a top and two bottoms, the two side walls of each bottom are curved downward, and the two side walls converge towards the lowest point of the bottom.

[0009] Preferably, the top end of the elution tower piece is hemispherical.

[0010] Preferably, the liquid inlet position of one side of the outer wall of the upper shell is provided with a liquid inlet pipeline and a first butt joint pipeline, and a first three-way joint is arranged between the liquid inlet pipeline and the first butt joint pipeline, the liquid inlet pipeline is provided with an elution spray head at the end away from the first three-way joint, and the elution spray head faces the hemispherical top of the elution tower piece.

[0011] Preferably, the liquid outlet position of the lower shell is provided with a liquid outlet pipeline and a second butt joint pipeline, and a second three-way joint is arranged between the liquid outlet pipeline and the second butt joint pipeline, and a reflux pipeline is arranged between the second three-way joint and the first three-way joint.

[0012] Preferably, a water pump is arranged on the reflux pipeline, and the outer wall of the water pump is connected to the side wall of the upper shell through a support.

[0013] Preferably, valves are arranged on the reflux pipeline, the first butt joint pipeline and the second butt joint pipeline.

[0014] Preferably, a protective door is hinged to the opening position of one side of the outer wall of the upper shell.

[0015] Compared with the prior art, the beneficial effects of the present application are:

[0016] (1) The lower shell, upper shell, liquid inlet pipeline, filter screen, spray head and spray tower part are arranged, when oil-containing sludge is repaired and treated, the vertical structure of the spray tower part is used, after the oil-containing sludge is directly introduced, the sludge does not need to be spread flat for subsequent spraying, under the action of the spraying liquid and gravity, the oil-containing sludge can be spread on the outer wall surface of the spray tower part, time and labor are saved, the cross-sectional radius of each tower layer is gradually increased through the cooperation between the first tower layer, the second tower layer, the third tower layer, the fourth tower layer and the fifth tower layer, the outer wall surface of the spray tower part appears the condition of alternating concave and convex, the sludge-water mixture after the oil-containing sludge is mixed with the spraying liquid flows through the five tower layers from top to bottom, in the flowing process, the sludge is gradually decomposed into smaller particles under the action of the spraying liquid and gravity, the sludge is filtered out from the filter hole, the solid-liquid separation effect and the spraying effect are improved, and the spraying effect and the working efficiency are further improved through the cooperation design of the special-shaped filter hole and the triangular convex block, the two side walls at the bottom of each filter hole are bent downward and close to the lowest point of the bottom, so that the tailings are prevented from being embedded in the filter hole and blocking the filter hole, and the oil-containing sludge and the spraying agent are better filtered out.

[0017] (2) The liquid outlet pipeline, the second butt joint pipeline, the second tee joint, the reflux pipeline, the valve, the first butt joint pipeline, the first tee joint and the spray head are arranged, under the drive of the water pump, the spraying liquid can be used twice, the utilization rate of the spraying liquid is improved, the spraying liquid sprays the oil-containing sludge in the form of liquid drops, the use amount of the spraying liquid can be reduced, the cost is reduced, the overall structure is in the form of a cylinder, the land occupation area is small, the operation is more convenient, and the practicality is improved.

[0018] The application will be explained in detail below in combination with the drawings and specific embodiments. SCHEMATIC DRAWING

[0019] Figure 1 It is a whole structure schematic view of the application;

[0020] Figure 2 It is a connecting structure schematic view of the upper shell and the lower shell of the application;

[0021] Figure 3 It is a shell internal structure cross section schematic view of the application;

[0022] Figure 4 It is a spray tower part side view cross section schematic view of the application;

[0023] Figure 5 It is a spray tower part top view cross section schematic view of the application;

[0024] Figure 6 It is a special-shaped filter hole top view cross section schematic view of the application;

[0025] Figure 7 For Figure 4 A zone amplification schematic diagram.

[0026] BRIEF DESCRIPTION OF DRAWINGS: 1, washing solid-liquid separation mechanism; 11, lower shell; 111, annular support; 12, upper shell; 121, protective door; 13, feed hopper; 14, filter screen; 15, liquid inlet pipeline; 151, first docking pipeline; 152, first three-way interface; 153, washing nozzle; 16, liquid discharge pipeline; 161, second docking pipeline; 162, second three-way interface; 17, backflow pipeline; 171, valve; 2, washing tower; 21, first tower layer; 22, second tower layer; 23, third tower layer; 24, fourth tower layer; 25, fifth tower layer; 26, three-pronged convex block; 27, special-shaped filter hole; 271, top; 272, bottom; 28, flow channel; 3, water pump; 4, tailings. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings, in which several embodiments of the present application are given, but the present application can be realized in different forms and is not limited to the embodiments described herein, on the contrary, these embodiments are provided to make the disclosure of the present application more thorough and comprehensive.

[0028] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element, and when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be a middle element, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0029] 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, the terminology used in the specification of the present application is for the purpose of describing specific embodiments and is not intended to limit the present application, the term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0030] Embodiment one, please refer to the accompanying drawings Figures 1-7The device for leaching and disposing oily sludge includes a leaching solid-liquid separation mechanism 1, which includes a lower shell 11, an upper shell 12 and a feeding hopper 13, and the upper shell 11 and the lower shell 12 are in mesh connection, the feeding hopper 13 is located at the round hole position on the upper side of the upper shell 12, the lower shell 11 is provided with an annular support 111, the annular support 111 is provided with a filter screen plate 14, and the upper side of the filter screen plate 14 is provided with a leaching tower 2; the leaching tower 2 has five layers from top to bottom, which are a first tower layer 21, a second tower layer 22, a third tower layer 23, a fourth tower layer 24 and a fifth tower layer 25, and the cross-sectional radius of each tower layer gradually increases, the first tower layer 21, the second tower layer 22, the third tower layer 23, the fourth tower layer 24 and the fifth tower layer 25 are respectively surrounded by six, ten, fourteen, eighteen and twenty-two triangular convex blocks 26 at equal intervals, the periphery of each triangular convex block 26 is provided with a special-shaped filter hole 27, the lower edge of each special-shaped filter hole 27 is provided with a flow channel 28, and each special-shaped filter hole 27 includes a top part 271 and two bottom parts 272, the two side walls of each bottom part 272 are curved downward and converge to the lowest point of the bottom part 272.

[0031] The above structure realizes that the oily sludge can be directly introduced without being spread flat for the convenience of subsequent leaching through the leaching solid-liquid separation mechanism 1 when repairing and disposing the oily sludge, which saves time and effort, and the cooperation of the special-shaped filter hole 27 and the triangular convex block 26 can block the tailings 4 while filtering the oily sludge and the leaching agent, avoiding the tailings 4 from being embedded in the filter hole, improving the leaching effect, and the structure is vertical, the mud-water mixture flows from top to bottom in the solid-liquid separation process, which is gradually decomposed into smaller particles under the action of the leaching liquid and the self-gravity of the mud block, facilitating filtration, further improving the solid-liquid separation effect and the leaching effect, and the device occupies a small area and is more convenient to operate;

[0032] The specific operation is as follows: first, open the valve 171 on the first connecting pipe 151, close the valves 171 on the other pipes, then introduce the oily sludge into the feed hopper 13, and spray the washing liquid by the washing spray head 153. Since the washing spray head 153 faces the top end of the washing tower piece 2, and the lower end of the feed hopper 13 corresponds to the top end of the washing tower piece 2, the oily sludge and the washing liquid are mixed at the top of the tower to form a sludge-water mixture. Then, under the influence of gravity, the sludge-water mixture spreads on the outer wall surface layer of the washing tower piece 2, and large soil blocks roll on the outer wall surface layer of the washing tower piece 2, disperse, become smaller particles, enter the special-shaped filter hole 27, then enter the lower side of the inner cavity of the lower shell 11 along the flow channel 28, and under the action of the curved bottom 272 of the special-shaped filter hole 27 and the three-pronged protrusion 26, the tailings 4 cannot be embedded in the special-shaped filter hole 27. Finally, under the influence of gravity, the tailings 4 accumulate on the filter screen 14 at the lower side of the washing tower piece 2, then the worker can open the protective door 121 to take out the tailings 4.

[0033] Embodiment two, please refer to the attached Figure 1 and 2 , the drain port position of the lower shell 11 is provided with a drain pipe 16 and a second connecting pipe 161, and a second three-way joint 162 is arranged between the drain pipe 16 and the second connecting pipe 161. A backflow pipe 17 is arranged between the second three-way joint 162 and the first three-way joint 152, and a water pump 3 is arranged on the backflow pipe 17. One side of the outer wall of the water pump 3 is connected to the side wall of the upper shell 12 through a support. Valves 171 are arranged on the backflow pipe 17, the first connecting pipe 151 and the second connecting pipe 161. If the washing liquid needs to be used twice, close the valves 171 on the first connecting pipe 151 and the second connecting pipe 161, open the valve 171 on the backflow pipe 17, then start the water pump 3 to pump the used washing liquid into the liquid inlet pipe 15 for the second use. The opening position of one side of the outer wall of the upper shell 12 is hinged with a protective door 121.

[0034] Embodiment three, please refer to the attached Figure 2 and 3 , the top end of the washing tower piece 2 is semispherical, which effectively avoids the accumulation of sludge at the top of the tower. The liquid inlet position of one side of the outer wall of the upper shell 12 is provided with a liquid inlet pipe 15 and a first connecting pipe 151, and a first three-way joint 152 is arranged between the liquid inlet pipe 15 and the first connecting pipe 151. The liquid inlet pipe 15 is provided with a washing spray head 153 at the end away from the first three-way joint 152, and the washing spray head 153 faces the semispherical top of the washing tower piece 2, so as to facilitate the contact and mixing of the oily sludge and the washing liquid at the top of the tower.

[0035] The application is described above by way of example with reference to the accompanying drawings, and it is obvious that the specific implementation of the application is not limited to the above-described manner, and as long as such non-essential improvements are made by adopting the method concept and technical solutions of the application, or the concept and technical solutions of the application are directly applied to other occasions without improvement, they are all within the protection scope of the application.

Claims

1. An oily sludge rinsing and treatment device, comprising a rinsing solid-liquid separation mechanism (1), wherein the rinsing solid-liquid separation mechanism (1) comprises a lower shell (11), an upper shell (12), and a feed hopper (13), wherein the upper shell (12) and the lower shell (11) are meshed together, and the feed hopper (13) is located at the circular hole position on the upper side of the upper shell (12), characterized in that An annular support (111) is provided inside the lower housing (11), a filter screen plate (14) is provided on the annular support (111), and a rinsing tower component (2) is provided on the upper side of the filter screen plate (14). The rinsing tower (2) has five layers, from top to bottom: the first tower layer (21), the second tower layer (22), the third tower layer (23), the fourth tower layer (24), and the fifth tower layer (25). The cross-sectional radius of each tower layer gradually increases. The first tower layer (21), the second tower layer (22), the third tower layer (23), the fourth tower layer (24), and the fifth tower layer (25) are surrounded by six, ten, fourteen, eighteen, and twenty-two triangular protrusions (26) at equal intervals, respectively. Each triangular protrusion (26) is provided with a shaped filter hole (27) on its periphery. Each shaped filter hole (27) is provided with a flow channel (28) at its lower edge. Each shaped filter hole (27) includes a top (271) and two bottoms (272). The two side walls of each bottom (272) are bent downward and move towards the lowest point of the bottom (272).

2. The oily sludge washing and treatment device according to claim 1, characterized in that, The top of the scrubbing tower component (2) is hemispherical.

3. The novel oily sludge washing and treatment device according to claim 1, characterized in that, The upper shell (12) has an inlet pipe (15) and a first docking pipe (151) at the inlet position on one side of the outer wall. A first tee interface (152) is provided between the inlet pipe (15) and the first docking pipe (151). A rinsing nozzle (153) is provided at the end of the inlet pipe (15) away from the first tee interface (152). The rinsing nozzle (153) faces the hemispherical top of the rinsing tower (2).

4. The oily sludge washing and treatment device according to claim 1, characterized in that, The lower housing (11) is provided with a drain pipe (16) and a second docking pipe (161) at the drain port position, and a second tee interface (162) is provided between the drain pipe (16) and the second docking pipe (161), and a return pipe (17) is provided between the second tee interface (162) and the first tee interface (152).

5. The oily sludge washing and treatment device according to claim 4, characterized in that, A water pump (3) is installed on the return pipe (17), and one side of the outer wall of the water pump (3) is connected to the side wall of the upper shell (12) through a bracket.

6. The oily sludge washing and treatment device according to claim 5, characterized in that, Valves (171) are provided on the return pipe (17), the first docking pipe (151), and the second docking pipe (161).

7. The oily sludge washing and treatment device according to claim 5, characterized in that, A protective door (121) is hinged to the opening on one side of the outer wall of the upper housing (12).

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