Hot washing device for sludge

Abstract

The application discloses an oil sludge heat treatment device which comprises a rack, a distribution plate, a scraper, a medicine spraying assembly, a stirring assembly and a driving assembly. The rack is internally provided with a treatment cavity for heat washing treatment of oil sludge, and the rack is provided with an oil sludge hole and a discharge channel; the distribution plate is arranged below the oil sludge hole to receive the oil sludge, and the distribution plate is provided with a plurality of spaced distribution material falling holes which penetrate through the distribution plate so that the oil sludge located in the material falling holes can fall into the treatment cavity; the scraper is movably matched with the distribution plate to scrape the oil sludge into the material falling holes; the medicine spraying assembly is arranged on the rack to spray the medicine into the treatment cavity; the stirring part of the stirring assembly extends into the treatment cavity to stir the oil sludge and the medicine; and the driving assembly is in transmission connection with each of the scraper and the stirring assembly to drive the scraper to move and drive the stirring part to move. The oil sludge heat washing treatment device can disperse the oil sludge entering the device, facilitates the mixing of the oil sludge and the medicine, and improves the oil sludge treatment efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sludge treatment, and particularly relates to an oil sludge hot washing treatment device. BACKGROUND

[0002] Oil sludge is produced in the process of oil exploitation, and is mainly composed of sludge produced after oilfield sewage treatment, sludge sand at the bottom of a crude oil storage tank, and oil falling on the ground mixed with soil. The sludge contains a certain concentration of crude oil, heavy metal ions (such as iron, copper, nickel, etc.) and inorganic salt compounds. If the sludge is directly discharged without treatment, the soil will be poisoned, acidified or alkalized, the soil structure will be changed, and the growth of plant roots will be hindered. The oil sludge hot washing treatment device adopts a hot chemical water washing and gravity sedimentation method, adds appropriate chemical agents, breaks the emulsion of the oil sludge, washes and disperses the oil sludge, and performs wetting and peeling treatment. Finally, the oil in the oil sludge is fully washed out and recovered into an oil recovery tank, and the remaining sludge sand is transported to a subsequent treatment process.

[0003] However, the oil sludge in the related art will accumulate after entering the treatment device, and the oil sludge and the chemical agents need to be stirred for a long time to fully mix the oil sludge and the chemical agents, resulting in low oil sludge treatment efficiency. SUMMARY

[0004] The present application aims to at least partially solve one of the technical problems in the related art. To this end, an embodiment of the present application provides an oil sludge hot washing treatment device, which can disperse the oil sludge entering the device, facilitate the mixing of the oil sludge and the chemical agents, and improve the oil sludge treatment efficiency.

[0005] The oil sludge hot washing treatment device according to the embodiment of the present application comprises a rack, a distribution plate, a scraper, a chemical agent spraying assembly, a stirring assembly, and a driving assembly. The rack is provided with a treatment cavity for hot washing treatment of oil sludge. The rack is provided with an oil sludge hole for adding oil sludge into the treatment cavity and a discharge channel for discharging treatment products. The distribution plate is arranged in the rack and is arranged below the oil sludge hole to receive the oil sludge. The distribution plate is provided with a plurality of spaced-apart material falling holes. The material falling holes penetrate the distribution plate to allow the oil sludge in the material falling holes to fall into the treatment cavity. The scraper is located between the oil sludge hole and the distribution plate in the up-down direction. The scraper is movably connected with the distribution plate to scrape the oil sludge into the material falling holes. The chemical agent spraying assembly is arranged in the rack to spray chemical agents into the treatment cavity. The stirring part of the stirring assembly extends into the treatment cavity to stir the oil sludge and the chemical agents. The driving assembly is drivingly connected with each of the scraper and the stirring assembly to drive the movement of the scraper and the stirring part.

[0006] The oil sludge hot washing treatment device of the embodiment of the present application scrapes the oil sludge on the distribution plate into at least part of the dropping holes by the scraper to disperse the oil sludge falling into the treatment cavity, so that the oil sludge is mixed with the medicine fully, and the oil sludge treatment efficiency is improved.

[0007] In some embodiments, the distribution plate comprises at least three distribution sections and at least two connecting sections. Each of the distribution sections extends along a first horizontal direction, and the at least three distribution sections are arranged at intervals in a second horizontal direction, the dropping holes being formed between any two adjacent distribution sections, and the first horizontal direction and the second horizontal direction being perpendicular to each other; and each of the connecting sections extends along the second horizontal direction, and each of the connecting sections is connected to two adjacent distribution sections.

[0008] In some embodiments, the at least three distribution sections are arranged at intervals in the second horizontal direction, and any two adjacent connecting sections in the second horizontal direction are located at two ends or two sides of the distribution sections in the first horizontal direction.

[0009] In some embodiments, the driving assembly comprises a lead screw and a first motor. The lead screw extends along the second horizontal direction, the lead screw is arranged in the scraper and is in transmission connection with the scraper to drive the scraper to move along the second horizontal direction; and the first motor is in transmission connection with the lead screw to drive the lead screw to rotate.

[0010] In some embodiments, the distribution plate, the scraper and the lead screw are provided in plurality, and the plurality of distribution plates, the plurality of scrapers and the plurality of lead screws correspond to each other one by one, each of the lead screws is provided with a first synchronous wheel, any two adjacent first synchronous wheels are connected by a first transmission belt, and the first motor is directly connected to one of the plurality of lead screws.

[0011] In some embodiments, the medicine spraying assembly comprises a distribution box and a plurality of spray heads. The distribution box is used to store the medicine, and is provided with a plurality of medicine outlet pipes connected thereto and arranged at intervals to discharge the medicine, the plurality of medicine outlet pipes correspond to the plurality of dropping holes one by one; and the plurality of spray heads correspond to the plurality of medicine outlet pipes one by one to spray the medicine into the treatment cavity.

[0012] In some embodiments, the distribution box is arranged in the rack and located in the treatment cavity, and the medicine spraying assembly further comprises a medicine tank, a medicine guide pipe and a water pump. The medicine tank is used to store the medicine and is located outside the treatment cavity; one end of the medicine guide pipe is located outside the treatment cavity and connected to the medicine tank, the other end of the medicine guide pipe penetrates into the rack and is connected to the distribution box; and the water pump is arranged in the medicine guide pipe to pump the medicine in the medicine tank into the distribution box.

[0013] In some embodiments, the stirring assembly comprises a stirring rod and a plurality of paddles. The stirring rod has a connecting portion and the stirring portion oppositely arranged along the extending direction thereof; the plurality of paddles are arranged at the stirring portion along the extending direction of the stirring rod. The driving assembly comprises a second motor, which is in transmission connection with the connecting portion of the stirring rod to drive the stirring rod to rotate.

[0014] In some embodiments, the stirring rod is provided in plurality, the connecting portion of each of the stirring rods is provided with a second synchronous wheel, and adjacent second synchronous wheels are connected by a second transmission belt. The second motor is directly connected with one of the plurality of stirring rods.

[0015] In some embodiments, the rack is provided with a steam passage for introducing steam into the treatment cavity to impact the sludge; and / or, the sludge hot washing treatment device further comprises an aeration device arranged in the rack to aerate the treatment cavity, and the stirring portion cooperates with the aeration device to break the bubbles generated by the aeration of the aeration device; and / or, the discharge passage comprises a floating oil passage for discharging floating oil, a fluidized material passage for discharging fluidized material, and a sludge discharge passage for discharging sludge; and / or, the rack is provided with a hopper, and the outlet of the hopper is in communication with the sludge hole. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic view of a sludge hot washing treatment device according to an embodiment of the present application.

[0017] Figure 2 is a side view of a sludge hot washing treatment device according to an embodiment of the present application.

[0018] Figure 3 is a schematic view of a driving assembly and a stirring assembly according to an embodiment of the present application.

[0019] Figure 4 is a partial schematic view of a sludge hot washing treatment device according to an embodiment of the present application.

[0020] Figure 5 is a schematic view of an oil injection assembly according to an embodiment of the present application.

[0021] REFERENCE SIGNS

[0022] 100, sludge hot washing treatment device;

[0023] 1, rack; 11, treatment cavity; 12, discharge passage; 13, steam passage; 14, hopper;

[0024] 121, floating oil passage; 122, fluidized material passage; 123, sludge discharge passage;

[0025] 2, distribution plate; 21, material falling hole; 22, distribution section; 23, connecting section; 24, rectangular block;

[0026] 3, scraper;

[0027] 4, pesticide spraying assembly; 41, distribution box; 42, pesticide outlet pipe; 43, spraying head; 44, pesticide box; 45, pesticide guide pipe; 46, water pump;

[0028] 5, stirring assembly; 51, stirring rod; 52, paddle;

[0029] 511, stirring part; 512, connecting part;

[0030] 6, driving assembly; 61, lead screw; 62, first motor; 63, first synchronous wheel; 64, first transmission belt; 65, second synchronous wheel; 66, second motor. DETAILED DESCRIPTION

[0031] The embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0032] The sludge hot washing device 100 of the embodiment of the present application is described below in combination with the drawings.

[0033] As shown in Figs. Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The sludge hot washing device 100 of the embodiment of the present application includes a rack 1, a distribution plate 2, a scraper 3, a pesticide spraying assembly 4, a stirring assembly 5 and a driving assembly 6. The rack 1 is provided with a treatment cavity 11 for hot washing of sludge, and the rack 1 is provided with a sludge hole for adding sludge into the treatment cavity 11 and a discharge passage 12 for discharging treatment products; the distribution plate 2 is arranged on the rack 1, and the distribution plate 2 is arranged below the sludge hole to receive sludge, and the distribution plate 2 is provided with a plurality of spaced-apart material falling holes 21, the material falling holes 21 penetrating through the distribution plate 2 so that the sludge located in the material falling holes 21 can fall into the treatment cavity 11; the scraper 3 is located between the sludge hole and the distribution plate 2 in the up-down direction, and the scraper 3 is movably connected with the distribution plate 2 to scrape the sludge into the material falling holes 21; the pesticide spraying assembly 4 is arranged on the rack 1 to spray pesticide into the treatment cavity 11; the stirring part 511 of the stirring assembly 5 extends into the treatment cavity 11 to stir the sludge and the pesticide; and the driving assembly 6 is in transmission connection with each of the scraper 3 and the stirring assembly 5 to drive the scraper 3 to move and drive the stirring part 511 to move.

[0034] The oil sludge is added through the oil sludge hole, and the oil sludge is received and accumulated by the distributing plate 2, and the oil sludge is scraped into at least one part of the falling hole 21 by driving the scraper 3 to move by the driving assembly 6, so that the oil sludge in the falling hole 21 falls into the treatment cavity 11 to disperse the oil sludge falling into the treatment cavity 11.

[0035] The medicine spraying assembly 4 sprays medicine into the treatment cavity 11, and the driving assembly 6 drives the stirring assembly 5 to mix the oil sludge and the medicine, so that the oil sludge and the medicine fully react with each other, and the reaction product is discharged through the discharge channel 12.

[0036] The oil sludge hot washing treatment device 100 of the embodiment of the present application can scrape the oil sludge on the distributing plate 2 into at least one part of the falling hole 21 by the scraper 3 to disperse the oil sludge falling into the treatment cavity, so that the oil sludge is mixed with the medicine sufficiently, and the oil sludge treatment efficiency is improved.

[0037] As shown in Figure 4 some embodiments, the distributing plate 2 includes at least three distributing sections 22 and at least two connecting sections 23. Each distributing section 22 extends along a first horizontal direction, and the at least three distributing sections 22 are arranged at intervals in a second horizontal direction, and the falling hole 21 is formed between adjacent two distributing sections 22, and the first horizontal direction and the second horizontal direction are perpendicular to each other. Each connecting section 23 extends along the second horizontal direction, and each connecting section 23 is connected with adjacent two distributing sections 22 to fix the distributing sections 22.

[0038] Under the action of the distributing section 22, the oil sludge on the scraper is easily blocked by the distributing section 22 to fall into the falling hole 21.

[0039] As shown in Figure 4 some embodiments, the at least three distributing sections 22 are arranged at intervals uniformly in the second horizontal direction, so that the oil sludge falls into the treatment cavity 11 uniformly. Adjacent two connecting sections 23 in the second horizontal direction are located at two ends or two sides of the distributing section 22 in the first horizontal direction to increase the stability of the distributing section 22.

[0040] As shown in Figure 4 some embodiments, the driving assembly 6 includes a lead screw 61 and a first motor 62. The lead screw 61 extends along the second horizontal direction, the lead screw 61 is arranged in the scraper 3 and is in driving connection with the scraper 3 to drive the scraper 3 to move along the second horizontal direction to scrape the oil sludge into the falling hole 21. The first motor 62 is in driving connection with the lead screw 61 to drive the lead screw 61 to rotate to drive the scraper 3 to move reciprocally in the second horizontal direction.

[0041] In some embodiments, a plurality of the distribution plates 2, a plurality of the scrapers 3 and a plurality of the lead screws 61 are provided, and the plurality of the distribution plates 2, the plurality of the scrapers 3 and the plurality of the lead screws 61 are one-to-one corresponding to each other, so as to further disperse the oil sludge. A first synchronous wheel 63 is arranged on each of the lead screws 61, and adjacent first synchronous wheels 63 are connected through a first transmission belt 64, so as to synchronously rotate each of the lead screws 61. The first motor 62 is directly connected with one of the plurality of the lead screws 61 to drive each of the lead screws 61 to rotate.

[0042] As shown in Figure 4 , further, the oil sludge hot washing treatment device 100 further comprises a rectangular block 24, and two of the distribution plates 2, two of the scrapers 3 and two of the lead screws 61 are provided, and the two of the distribution plates 2 are located at two sides of the rectangular block 24 and are connected with the rectangular block 24 respectively, so as to fix the distribution plates 2.

[0043] As shown in Figure 4 , in some specific embodiments, the end of the rectangular block 24 is provided with a chamfer, so as to avoid the accumulation of the oil sludge.

[0044] As shown in Figure 1 and Figure 5 , in some embodiments, the medicine spraying assembly 4 comprises a distribution box 41 and a plurality of spraying heads 43. The distribution box 41 is used for storing the medicine, and the distribution box 41 is provided with a plurality of medicine outlet pipes 42 connected and uniformly spaced, so as to discharge the medicine, and the plurality of the medicine outlet pipes 42 are one-to-one corresponding to the plurality of the dropping holes 21, and the plurality of the spraying heads 43 are one-to-one corresponding to the plurality of the medicine outlet pipes 42, so as to spray the medicine into the treatment cavity 11, so that the oil sludge falling into the treatment cavity 11 is preliminarily mixed with the medicine, so as to further facilitate the oil sludge to be fully mixed with the medicine, and further improve the oil sludge treatment efficiency.

[0045] As shown in Figure 1 , Figure 2 and Figure 5 , in some embodiments, the distribution box 41 is arranged in the rack 1 and located in the treatment cavity 11, and the medicine spraying assembly 4 further comprises a medicine tank 44, a medicine guide pipe 45 and a water pump 46. The medicine tank 44 is used for storing the medicine, and the medicine tank 44 is located outside the treatment cavity 11; one end of the medicine guide pipe 45 is located outside the treatment cavity 11 and connected with the medicine tank 44, and the other end of the medicine guide pipe 45 penetrates into the rack 1 and is connected with the distribution box 41; and the water pump 46 is arranged in the medicine guide pipe 45 to pump the medicine in the medicine tank 44 into the distribution box 41.

[0046] The medicine tank 44 is arranged outside the treatment cavity 11, so as to facilitate the addition of the medicine into the medicine tank 44, and the water pump 46 guides the medicine in the medicine tank 44 from the medicine guide pipe 45 into the distribution box 41 located in the treatment cavity 11, so as to facilitate the addition of the supplementary medicine into the distribution box 41.

[0047] As shown in Figure 3As shown in the drawings, in some embodiments, the stirring assembly 5 comprises a stirring rod 51 and a plurality of paddles 52. The stirring rod 51 has a connecting portion 512 and a stirring portion 511 oppositely arranged along the extending direction thereof; the plurality of paddles 52 are arranged at the stirring portion 511 along the extending direction of the stirring rod 51 so as to stir the sludge and the reagent. The driving assembly 6 comprises a second motor 66 which is in driving connection with the connecting portion 512 of the stirring rod 51 so as to drive the stirring rod 51 to rotate.

[0048] As shown in the drawings, in some embodiments, the stirring rod 51 extends along the up-down direction. Figure 3

[0049] In some embodiments, the stirring rod 51 is provided in plurality so as to increase the stirring of the sludge and the reagent. The connecting portion 512 of each stirring rod 51 is provided with a second synchronous wheel 65, and adjacent second synchronous wheels 65 are connected by a second transmission belt so as to make each stirring rod 51 rotate synchronously. The second motor 66 is directly connected with one of the plurality of stirring rods 51 so as to drive each stirring rod 51 to rotate.

[0050] In some embodiments, the rack 1 is provided with a steam passage 13 for introducing steam into the processing cavity 11 so as to impact the sludge.

[0051] The steam, the reagent and the sludge further react to fluidize and preliminarily deoiling the sludge.

[0052] In some embodiments, the sludge hot washing treatment device 100 further comprises an aeration device which is arranged at the rack 1 so as to aerate the processing cavity 11, and the stirring portion 511 cooperates with the aeration device to break the bubbles generated by the aeration of the aeration device so as to increase the proportion of nano-sized bubbles, and further to apply cavitation effect, thermo-chemical effect and free radical oxidation effect to the sludge so as to further deoiling, demulsifying and destabilizing the sludge.

[0053] In some embodiments, the discharge passage 12 comprises a floating oil passage 121 for discharging floating oil, a fluidized material passage 122 for discharging fluidized material and a sludge discharge passage 123 for discharging sludge, so as to discharge the floating oil, the fluidized material and the sludge generated after the sludge treatment is completed.

[0054] As shown in the drawings, in some embodiments, the rack 1 is provided with a hopper 14, and the outlet of the hopper 14 is in communication with the sludge hole so as to add sludge into the hopper. Figure 1 Figure 2

[0055] ​​​In the description of the present application, it is to be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements indicated thereby must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0056] In addition, the terms "first", "second", "third", etc. 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 thereby. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0057] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication or interaction relationship of two elements, unless otherwise explicitly limited. 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.

[0058] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or it can only mean that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or it can only mean that the horizontal height of the first feature is less than that of the second feature.

[0059] In this disclosure, the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" mean that a particular feature, structure, material, or characteristic is included in at least one embodiment or example of the present disclosure. The illustrative appearances of the above-mentioned terms in various places in the specification are not necessarily referred to the same embodiment or example. Moreover, the particular features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples. Furthermore, the terminology "comprising" is used in the disclosure as comprising, but not limited to, any indicated features, integers, steps or components. It is also to be understood that the terminology "comprising" can be replaced by the terminology "consisting of" or "consisting essentially of" in some embodiments or examples.

[0060] Although the above-mentioned embodiments have been shown and described, it is to be understood that the above-mentioned embodiments are exemplary, and should not be understood as limiting the present disclosure, and the changes, modifications, replacements and variations of the above-mentioned embodiments made by those skilled in the art are within the protection scope of the present disclosure.

Claims

1. A sludge hot washing treatment device, characterized in that: include: A frame, wherein a processing chamber for hot-washing sludge is provided in the frame, and the frame is provided with a sludge hole for adding sludge into the processing chamber and a discharge channel for discharging the treated product; a material distributor plate, the material distributor plate being arranged on the frame, the material distributor plate being arranged below the oil sludge hole to receive the oil sludge, the material distributor plate being provided with a plurality of drop holes distributed at intervals, the drop holes penetrating the material distributor plate so that the oil sludge in the drop holes can fall into the processing chamber; A scraper, the scraper is located between the oil sludge hole and the material distributor in the up-down direction, and the scraper can movably cooperate with the material distributor to scrape the oil sludge into the drop hole; a medicine spraying assembly, the medicine spraying assembly being arranged on the frame to spray medicine into the processing chamber; a stirring assembly, wherein a stirring portion of the stirring assembly extends into the processing chamber to stir the sludge and the reagent; a driving assembly, the driving assembly being in transmission connection with each of the scraper and the stirring assembly to drive the scraper to move and the stirring portion to move; The dividing plate comprises: At least three material dividing sections, each of which extends along a first horizontal direction, and at least three of which are spaced apart in a second horizontal direction, with the blanking hole formed between two adjacent material dividing sections, and the first horizontal direction and the second horizontal direction being perpendicular to each other; at least two connecting sections, each of which extends along the second horizontal direction and is connected to two adjacent material distribution sections; The frame is provided with a steam channel, and the steam channel is used to pass steam into the processing chamber to impact the oil sludge; The oil sludge hot washing treatment device further comprises an aeration device, which is arranged on the frame to aerate the treatment chamber, and the stirring part cooperates with the aeration device to break bubbles generated by aeration of the aeration device; The discharge channel includes an oil discharge channel for discharging floating oil, a fluidized material channel for discharging fluidized material, and a sewage discharge channel for discharging mud; The frame is provided with a hopper, and the outlet of the hopper is communicated with the oil mud hole.

2. The oil sludge hot washing treatment device according to claim 1, characterized in that: At least three of the material dividing sections are evenly spaced in the second horizontal direction, and two adjacent connecting sections in the second horizontal direction are located at two ends or both sides of the material dividing section in the first horizontal direction.

3. The oil sludge hot washing treatment device according to claim 1, characterized in that: The drive assembly includes: A lead screw extending along a second horizontal direction, the lead screw passing through the scraper and being in transmission connection with the scraper to drive the scraper to move along the second horizontal direction; A first motor is connected to the lead screw to drive the lead screw to rotate.

4. The oil sludge hot washing treatment device according to claim 3, characterized in that: There are multiple dividing plates, scrapers and lead screws, and the multiple dividing plates, scrapers and lead screws correspond to each other one by one. Each lead screw is provided with a first synchronous wheel, and adjacent first synchronous wheels are connected by a first transmission belt. The first motor is directly connected to one of the multiple lead screws.

5. The oil sludge hot washing treatment device according to any one of claims 1 to 4, characterized in that: The spraying assembly comprises: A diverter box, the diverter box is used to store the medicine, the diverter box is provided with a plurality of evenly spaced medicine outlet pipes connected thereto for discharging the medicine, the plurality of medicine outlet pipes being arranged in a one-to-one correspondence with the plurality of drop holes; A plurality of nozzles are connected to a plurality of drug outlet pipes in a one-to-one correspondence to spray the drug into the processing chamber.

6. The oil sludge hot washing treatment device according to claim 5, characterized in that: The diverter box is arranged on the frame and located in the processing chamber, and the spraying assembly further includes: A medicine box, the medicine box is used to store the medicine, and the medicine box is located outside the processing chamber; a drug guiding tube, one end of which is located outside the treatment chamber and connected to the medicine box, and the other end of which penetrates the frame and is connected to the diversion box; A water pump is provided on the drug guiding tube to pump the medicine in the medicine box into the diversion box.

7. The oil sludge hot washing treatment device according to claim 1, characterized in that: The stirring assembly comprises: a stirring rod, the stirring rod having a connecting portion and the stirring portion that are oppositely arranged along an extending direction of the stirring rod; a plurality of blades, wherein the plurality of blades are spaced apart and arranged on the stirring portion along an extending direction of the stirring rod; The drive assembly includes: A second motor is connected to the connecting portion of the stirring rod to drive the stirring rod to rotate.

8. The oil sludge hot washing treatment device according to claim 7, characterized in that: There are multiple stirring rods, and the connecting portion of each stirring rod is provided with a second synchronous wheel. Adjacent second synchronous wheels are connected by a second transmission belt, and the second motor is directly connected to one of the multiple stirring rods.

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