Cleaning apparatus for seafood

Abstract

The application provides a cleaning device for marine products, which comprises a feeding device, a rolling device and a sewage treatment device. The feeding device comprises a feeding hopper for feeding the materials. The rolling device is connected to the feeding device for rolling cleaning of the materials. The sewage treatment device is connected to the rolling device for secondary use of the sewage after cleaning. The rolling device can make the materials roll, so that all orientations of the materials are washed by the spraying device, and the cleaning of the materials is more comprehensive, which can solve the technical problem of difficult cleaning of the unique shape and environment of marine products. On the other hand, the sewage treatment device can filter the sewage and impurities, purify the sewage, and recycle the purified sewage to the spraying device, so that the cleaning device is more economical and applicable.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of marine product processing, in particular to a cleaning device for marine products. BACKGROUND

[0002] The production of marine products is particularly extensive, such as kelp products, seaweed products, sea urchin products, etc. The production and processing of these products require cleaning of the raw materials. In the cleaning process, manual cleaning is often used, which has low cleaning efficiency. In order to improve the cleaning efficiency, automatic mechanical cleaning is required.

[0003] At present, automatic cleaning devices are widely used in food processing. However, due to the special environment of marine products, the raw materials are accompanied by a large amount of fine sand and impurities, which are difficult to separate from the raw materials. Therefore, it is necessary to perform full-range high-pressure flushing, while taking into account the economic and efficiency problems.

[0004] Therefore, the present application is proposed. SUMMARY

[0005] The present application provides a cleaning device for marine products to solve the above-mentioned technical problems.

[0006] The first aspect of the present application provides a cleaning device for marine products, which comprises: a feeding device for feeding materials; a rolling device comprising a roller, the roller being partially hollow, having a cleaning tank inside and being connected to the output port of the feeding device, the materials being driven to roll after entering the tank from the feeding device; a spraying device arranged on one side of the roller for spraying and washing the materials; and a sewage treatment device arranged on the lower side of the roller for receiving the water and impurities after spraying and washing, wherein a backflow pipeline is arranged between the water collecting structure and the spraying device for returning the purified sewage to the spraying device for secondary use.

[0007] In an optional aspect of the present application, the feeding device comprises: a mounting plate arranged at an angle; a conveyor belt arranged on the mounting plate for transporting materials; and a first speed reducer connected to the rolling shaft of the conveyor belt for controlling the transmission speed of the conveyor belt.

[0008] In an optional aspect of the present application, the feeding device further comprises: a feeding hopper connected to the end of the mounting plate for receiving materials; and a vortex pump arranged at the bottom of the feeding hopper to generate a vortex in the feeding hopper to preliminarily separate the materials and impurities.

[0009] In an alternative case of the present application, the rolling device comprises a second speed reducer connected to the driving wheel for driving the driving wheel to rotate; at least one driving wheel, which is engaged with the driven wheel; and the driven wheel, which is arranged on the outer periphery of the drum and cooperates with the driving wheel to drive the drum to rotate.

[0010] In an alternative case of the present application, the inner wall of the drum is provided with a hollow spiral structure or is inclinedly arranged, for uniformly outputting the materials during rotation; and the inner wall of the drum is further provided with bristles for contacting the materials for cleaning.

[0011] In an alternative case of the present application, the spraying device further comprises a first spraying structure arranged on one side of the drum, wherein the nozzles of the first spraying structure are perpendicular to the axial direction of the drum, for laterally washing the materials; and a centrifugal pump connected to the pipeline of the first spraying structure, for providing the water pressure for spraying.

[0012] In an alternative case of the present application, the drum comprises a first section and a second section from the input end to the output end, and the first spraying structure comprises a high-pressure spraying mechanism arranged on the first section, for high-pressure spraying the materials; and an atomizing spraying mechanism arranged on the second section, for atomizing spraying the materials.

[0013] In an alternative case of the present application, the sewage treatment device is provided with a water collecting hopper and a water storage bin, wherein the water collecting hopper and the water storage bin are arranged on the lower side of the drum relative to the first spraying structure, a first filtering structure is arranged between the water collecting hopper and the water storage bin, and the sewage is discharged from the output end of the drum into the water collecting hopper, filtered through the first filtering structure, and then input into the water storage bin.

[0014] In an alternative case of the present application, the water storage bin comprises a second filtering structure for secondary filtering the sewage.

[0015] In an alternative case of the present application, the output end of the water storage bin is connected to the pipeline of the first spraying structure, for recycling the secondary filtered sewage.

[0016] The cleaning equipment further comprises a rack for carrying the feeding device, the rolling device, and the sewage treatment device.

[0017] In summary, the embodiment of the present application provides a cleaning device, which comprises a feeding device, a rolling device, a spraying device and a sewage treatment device. The rolling device can make the material roll, so that each orientation of the material is washed by the spraying device, and the cleaning of the material is more comprehensive, which can solve the technical problems of the unique appearance of marine products and the difficulty of environmental cleaning. On the other hand, the sewage treatment device filters the sewage and impurities, purifies the sewage, and recycles the purified sewage to the spraying device, realizes energy saving and enterprise cost saving, and makes the cleaning device more economically applicable.

[0018] Other features and advantages of the embodiments of the present application will be described in the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0019] The features, advantages, and technical and industrial significance of exemplary embodiments of the application will be described in the following detailed description with reference to the accompanying drawings, in which like numerals denote like elements, and wherein:

[0020] Figure 1 A connection topology diagram of an exemplary cleaning device according to an embodiment of the present application is shown;

[0021] Figure 2 A front view of an exemplary cleaning device 100 according to an embodiment of the present application is shown;

[0022] Figure 3 A top view of an exemplary cleaning device according to an embodiment of the present application is shown;

[0023] Figure 4 A right view of an exemplary cleaning device according to an embodiment of the present application is shown;

[0024] Figure 5 A left view of an exemplary cleaning device according to an embodiment of the present application is shown;

[0025] Figure 6 A structure diagram of a sewage treatment device in a cleaning device provided by an embodiment of the present application is shown; and

[0026] Figure 7 A structure diagram of a sewage treatment device in a cleaning device provided by a variant of the present application is shown. BRIEF DESCRIPTION OF DRAWINGS

[0028] GENERAL INVENTION CONCEPT

[0029] 100, cleaning device;

[0030] 101, feeding device; 102, rolling device;

[0031] 103, spraying device; 104, sewage treatment device;

[0032] 105. frame;

[0033] 101a. mounting plate; 101b. conveyor belt;

[0034] 101c. first speed reducer; 101d. feeding hopper;

[0035] 101e. vortex pump; 102a. roller;

[0036] 102b. second speed reducer; 102c. driving wheel;

[0037] 102d. driven wheel; 102e. support bearing;

[0038] 103a. first spraying structure; 103b. centrifugal pump;

[0039] 103c. second spraying structure; 104a. first filtering structure;

[0040] 104b. water tank; 104c. water collecting hopper;

[0041] 104d. water storage room. DETAILED DESCRIPTION

[0042] In order to make the above and other features and advantages of the present application more comprehensible, the present application will be further described below with reference to the drawings. It should be understood that the specific embodiments given herein are by way of example only and are not intended to limit the present application.

[0043] In addition, the terms "first", "second", etc. are used only for the purpose of description and are not to be construed as indicating or implying relative importance or a specific number of features indicated. Thus, features defined with "first", "second" 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, for example, two, three, etc., unless otherwise specifically limited.

[0044] Techniques, methods, and systems known to those of ordinary skill in the relevant art can not be discussed in detail, but where appropriate, the techniques, methods, and systems should be considered as part of the description of the application.

[0045] The cleaning of marine products in the prior art mostly relies on manual work, which is time-consuming and laborious. The existing cleaning device does not have a non-standard design for marine products, and the conventional cleaning device cannot effectively clean marine products under the premise of considering economy. Therefore, the scheme in the cleaning device provided by the present application aims to solve the above technical problems.

[0046] [General Invention Concept]

[0047] The present application provides a cleaning device 100 for automatic cleaning of marine products. The marine products can be seaweed, kelp, sea urchin, sea cucumber, etc. The cleaning device 100 can complete the full-automatic cleaning from the feeding to the discharging.

[0048] The cleaning device 100 according to the exemplary embodiments of the present application will be described below with reference to the accompanying drawings. Figure 1 Among them, Figure 1 The connection topology diagram of the cleaning device 100 according to an exemplary embodiment of the present application is shown; in a general inventive concept, the cleaning device 100 provided by the present embodiment comprises:

[0049] The feeding device 101 is used for feeding and automatic input of the material;

[0050] The rolling device 102 is connected to the output end of the feeding device 101, and the material enters the rolling device 102 through the feeding device 101. In the working state, the rolling device 102 can carry the material to roll synchronously, so that the material can roll over;

[0051] The spraying device 103 is arranged on one side of the rolling device 102, which can spray water to spray and wash the material in the rolling device 102 from the side. The spraying device 103 can also swing up and down in a fixed direction. In the state that the rolling device 102 carries the material to rotate, the material in the rolling device 102 is sprayed from all directions, achieving the effect of clean cleaning. At the same time, the sewage and impurities after cleaning enter the sewage treatment device 104 under the water pressure direction of the spraying.

[0052] The sewage treatment device 104 is arranged on the lower side of the rolling device 102, which is used for collecting and filtering the sewage and impurities. The sewage treatment device 104 and the rolling device 102 are provided with a backflow pipeline therebetween, which is used for returning the purified sewage to the rolling device 102 for secondary use.

[0053] From the above, in the general inventive concept of the present application, the kelp, as the raw material of the marine product to be cleaned, is placed into the feeding device 101 and automatically transported into the rolling device 102 under the action of the feeding device 101. The rolling device 102 drives the marine product to start synchronous rotation. After the kelp is sprayed and cleaned by the one-side spraying device 103 of the rolling device 102, the raw material is gradually output from the output end of the rolling device 102, while the sewage and impurities after cleaning are received by the sewage treatment device 104. The sewage treatment device 104 carries the sewage and impurities and separates them at the same time. After the secondary filtration by the sewage treatment device 103, the sewage becomes the water resource that can be used for secondary cleaning and is returned to the spraying device 103 for recycling cleaning, so as to save water energy and improve the use economy. At the same time, the complex appearance of the marine product can be cleaned in all directions, and the cleaning degree is ensured.

[0054] It can be understood that the rolling device 102 can make the material roll, so that each direction of the material is washed by the spraying device 103, the cleaning of the material is more comprehensive, and the technical problem of difficult cleaning of the unique appearance and environment of the marine product can be solved. On the other hand, the sewage is purified after being filtered by the sewage treatment device 104, and the purified sewage is recycled to the spraying device 103, so as to save energy and reduce the cost of enterprises, so that the cleaning equipment 100 is more economical and applicable.

[0055]

Embodiment One

[0056] Please refer to Figures 2 to 5 , Figures 2 to 5 Fig. 1 shows a cleaning equipment 100 according to an embodiment of the present application, Figure 2 Fig. 2 shows a front view of an exemplary cleaning equipment 100 according to an embodiment of the present application; Figure 3 Fig. 3 shows a top view of an exemplary cleaning equipment according to an embodiment of the present application; Figure 4 Fig. 4 shows a right view of an exemplary cleaning equipment according to an embodiment of the present application; Figure 5 Fig. 5 shows a left view of an exemplary cleaning equipment according to an embodiment of the present application. For the above general inventive concept, the present application further provides a cleaning equipment 100 for marine products, which is a specific embodiment of the general inventive concept.

[0057] Firstly, refer to Figure 2 and Figure 4 In this embodiment, the overall cleaning equipment 100 is fed from the left side and discharged from the right side, which includes a rack 105, a feeding device 101, a rolling device 102, a spraying device 103, and a sewage treatment device 104, which are all arranged on the rack 105. The bottom of the rack 105 is a shock-absorbing support to reduce the vibration of the machine. The rack 105 is a common structure of the equipment, and this embodiment does not elaborate too much.

[0058] For convenience of description, the black arrow in Figure 4 represents the direction of the material, and the white arrow represents the spraying direction. After the material is placed in the feeding device 101, it is driven to move axially by the rolling device 102, and the spraying device 103 sprays from the side. After the material is sprayed in all directions, it is sequentially discharged from the output end of the rolling device 102. The sewage treatment device 104 and the spraying device 103 can form a backflow pipeline therebetween, so that water circulates therebetween to save water energy.

[0059]

Feeding device 101

[0060] Continuing to refer to Figure 2 , for marine products, the present application provides an automatic transportation and preliminary separation function in the feeding device 101, as follows:

[0061] The feeding device 101 comprises:

[0062] The mounting plate 101a is arranged at an angle relative to the horizontal, so that the material can automatically descend by gravity, saving the energy required by the conveyor belt 101b;

[0063] The conveyor belt 101b is arranged on the mounting plate 101a and is used to transport the material;

[0064] The first speed reducer 101c is connected to the rolling shaft of the conveyor belt 101b and is used to control the transmission speed of the conveyor belt 101b.

[0065] Specifically, the conveyor belt 101b and the mounting plate 101a are connected by sliding. After the material is placed on the conveyor belt 101b, it is moved in the direction of the rolling device 102. The first speed reducer 101c can be an MB05-Y0.37-RV50-20 (a type of speed reducer), which can control the conveying speed of the conveyor belt 101b. According to the quantity and size of the material, the conveying speed is adjusted to avoid too fast conveying speed affecting the cleanliness of cleaning, or too slow conveying speed affecting the efficiency of cleaning. The conveyor belt 101b can improve the feeding efficiency and reduce the physical labor and time of manual feeding.

[0066] For the feeding of marine products, the feeding device 101 further comprises:

[0067] The feeding hopper 101d is connected to the end of the mounting plate 101a and is used to receive the material after transportation;

[0068] The vortex pump 101e is arranged at the bottom of the feeding hopper 101d to generate a vortex in the feeding hopper 101d to preliminarily separate the material and impurities.

[0069] It can be understood that the vortex pump 101e is optionally used XGB26-108-1.5kW (a vortex pump 101e model), the feed hopper 101d is pre-placed in a certain amount of water, the conveying belt 101b conveys the material with water to the feed hopper 101d, and the vortex pump 101e generates vortex in the water in the feed hopper 101d. Under the action of the centrifugal force generated by the vortex, the substances with different internal masses will rotate at different diameters, so that the material and the impurities attached thereto are separated by the vortex, so that the material is preliminarily separated, the obvious impurities mixed with the material are removed, and the material is preliminarily separated. Preliminary separation of the material can ensure that the material is preliminarily cleaned, and the vortex pump can guide the marine product to the rolling device 102, and play a propelling role. Moreover, the effect of preliminary separation in the vortex can also avoid that the large-particle impurities enter the rolling device 102 to damage the equipment, and improve the use stability of the cleaning equipment 100.

[0070]

Rolling device 102

[0071] Please continue to refer to Figure 4 and Figure 5 , the rolling device 102 comprises:

[0072] The roller 102a is a cylindrical or hexagonal shell structure, the shell part is hollow, and the inside is a groove. The spraying device 103 can wash the material in the groove through the shell when spraying.

[0073] The second speed reducer 102b is connected to the driving wheel 102c and is used to drive the driving wheel 102c to rotate.

[0074] The at least one driving wheel 102c is engaged with the driven wheel 102d.

[0075] The driven wheel 102d is arranged on the outer periphery of the roller 102a and cooperates with the driving wheel 102c to drive the roller 102a to rotate.

[0076] The front and rear ends of the roller 102a are provided with at least two support bearings 102e.

[0077] Specifically, the drum 102a is optionally in a circular shell shape, with a hollow structure with a filter screen, the size of the hollow can be set according to the type of seafood, so that the material cannot fall out of the gap in the groove body, but the sewage and impurities can be discharged. The driven wheel 102d is embedded on the outer peripheral part of the drum 102a, the plurality of driving wheels 102c and the driven wheel 102d form a close meshing relationship, and the second speed reducer 102b is optionally in the form of MB07-Y0.55-RV63-20 (a speed reducer model), which drives the driving wheel 102c to rotate through the connecting shaft. The driving wheel 102c drives the driven wheel 102d and the drum 102a to roll. The second speed reducer 102b can adjust the speed of the driving wheel 102c, thereby controlling the rotation speed of the drum 102a.

[0078] Further, in order to make the material move step by step in the drum 102a, the inner wall of the drum 102a is provided with a hollow spiral structure (not shown in the figure), which is used to uniformly output the material during rotation, or the drum 102a is inclined to make the material discharge under the action of gravity.

[0079] Further, the inner wall of the drum is also provided with a brush (not shown in the figure) for contacting the material for cleaning.

[0080] It can be understood that due to the internal hollow spiral structure, the material and water can be irregularly rotated and rolled, so that the attached sand on the material can be fully contacted with the brush in the inner part of the water throwing drum, and the brush can be swept off or cleaned by the high-pressure water mist from the spraying device 103 to fall into the sewage treatment device 104.

[0081]

Spraying device 103

[0082] Please refer to Figure 4 , the spraying device 103 further comprises:

[0083] The first spraying structure 103a is arranged on one side of the drum 102a, and the nozzles of the first spraying structure 103a are perpendicular to the axial direction of the drum 102a, for side spraying and washing of the material;

[0084] The centrifugal pump 103b is connected to the pipeline of the first spraying structure 103a, for providing water pressure for spraying.

[0085] It can be understood that the first spraying structure 103a and the centrifugal pump 103b are communicated through a pipeline, and the centrifugal pump 103 can provide corresponding adjustable water pressure for the first spraying structure 103a, so that the first spraying structure 103b is suitable for the type of marine products for flushing, and the centrifugal pump 103 adopts GZA80-65-125 / 4.0. It should be noted that the first spraying structure 103b is laterally flushed on one side of the roller 102a to flush the impurities and sewage to the sewage treatment device 104 on the lower side, for example, the first spraying structure 103b is arranged on the left side of the roller 102a, and the sewage treatment device 104 is arranged below the roller 102a. The first spraying structure 103b is flushed laterally, and the roller 102a is rolled, and the impurities and sewage are discharged from the gap of the roller 102a to the sewage treatment device 104 due to the centrifugal force caused by the rolling. The sewage treatment device 104 filters the sewage and returns it to the first spraying structure 103a for secondary use.

[0086] In one feasible scheme of the embodiment of the present application, the spraying device 103 can further include a second spraying structure 103c, which is arranged on the opposite side of the first spraying structure 103b, and the direction of the nozzle thereof is parallel to the axial direction of the roller 102a. The sewage and impurities are discharged to the lower side of the roller 102a under the action of the first spraying structure 103b.

[0087] In a variant of the present application, the roller 102a includes a first section and a second section from the input end to the output end. The first spraying structure 103b includes:

[0088] The high-pressure spraying mechanism is arranged in the first section and is used for high-pressure spraying of the material;

[0089] The atomizing spraying mechanism is arranged in the second section and is used for atomizing spraying of the material.

[0090]

Sewage treatment device 104

[0091] Please refer to Figure 6 and Figure 7 , Figure 6 is a structure diagram of the sewage treatment device in the cleaning equipment provided by the embodiment of the present application; Figure 7 is a structure diagram of the sewage treatment device in the cleaning equipment provided by the variant of the present application. The sewage treatment device 104 needs to separate the impurities and the sewage, and two schemes are provided in the embodiment of the present application.

[0092] In the first scheme, the sewage treatment device 104 comprises a water tank 104b and a first filtering structure 104a, the first filtering structure 104a separates the water tank 104b into two layers, the first filtering structure 104a filters impurities, so that the impurities stay in the upper layer, the clean water without impurities falls into the lower layer, the impurities in the upper layer are pumped away, and the clean water in the lower layer is pumped out by a vortex pump or a high-pressure water pump to a spraying device for recycling, thereby saving water resources.

[0093] In another scheme of the variant of the present application, a water collecting hopper 104c and a sump 104d are arranged at the lower side of the roller 102a, the water collecting hopper 104c can be arranged according to the spraying angle of the first spraying structure 103a to meet the requirement of being able to collect the sewage and impurities discharged from the surface of the roller 102a.

[0094] A first filtering structure 104a is arranged between the water collecting hopper 104c and the sump 104d, the first filtering structure can be a screen, the sewage discharged from the output end of the roller 102a enters the sump 104d after being filtered by the first filtering structure via the water collecting hopper 104c.

[0095] In a specific scheme, the water collecting hopper 104c is arranged in the sump 104d, the first filtering structure is an arc-shaped screen covering the sump, the arc-shaped screen wraps the outer periphery of the water collecting hopper 104c, when the sewage and impurities enter the water collecting hopper 104c, part of the impurities precipitate at the bottom of the water collecting hopper 104c and are discharged, the sewage gradually fills the water collecting hopper 104c and then overflows from the edge of the water collecting hopper 104c to the arc-shaped screen, the remaining impurities slide down to the edge of the arc-shaped screen under the action of the arc-shaped screen, so as to avoid the clogging of the arc-shaped screen, and the sewage passes through the arc-shaped screen and falls into the sump 104d, at this time, there is no large-particle impurity in the sewage.

[0096] Further, the sump 104d comprises a second filtering structure (not shown in the figure), the second filtering structure is used for secondary filtering of the sewage, and in the embodiment of the present application, the second filtering structure can be any one of filter cotton, activated carbon and fine filter screen, so as to filter the fine impurities in the sewage again for recycling.

[0097] The output end of the sump 104d is connected to the pipeline of the first spraying structure 103a, for recycling of the secondary filtered sewage.

[0098] In conclusion, the embodiment of the present application provides a cleaning device, which comprises a feeding device, a rolling device, a spraying device and a sewage treatment device.

[0099] Further, those skilled in the art should understand that if the battery module provided by the embodiment of the present application and all or part of the sub-modules involved are combined, replaced, transformed, etc. by means of fusion, simple change, mutual transformation, etc., such as moving the position of each component, or integrally setting the product formed by the components, or designing the components to be detachable, as long as the combined components can form an equipment / device / system with a specific function, the equipment / device / system can replace the corresponding components of the present application and still fall within the protection scope of the present application.

[0100] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "linking", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can be detachable connection, or can be integrated; can be mechanical connection, can be electrical connection; can be directly connected, can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0101] 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 only indicates 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 only indicates that the horizontal height of the first feature is less than that of the second feature.

[0102] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, different embodiments or examples described in the specification and the features of different embodiments or examples can be combined and combined by those skilled in the art without contradiction, within the scope of the present application.

[0103] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

[0104] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. A cleaning apparatus for seafood, characterized by, The cleaning device comprises: a feeding device for feeding materials; a rolling device comprising a rolling drum, the rolling drum being partially hollowed out, internally provided with a cleaning tank and connected to an output of the feeding device, the materials being driven to roll after entering the tank from the feeding device; a spraying device comprising a first spraying structure, a second spraying structure and a centrifugal pump, the first spraying structure being arranged on one side of the rolling drum, nozzles of the first spraying structure being perpendicular to an axial direction of the rolling drum for side washing of the materials, the second spraying structure being arranged on the opposite side of the first spraying structure, nozzles of the second spraying structure being parallel to the axial direction of the rolling drum, and the centrifugal pump being connected to a pipeline of the first spraying structure for providing water pressure for spraying; a sewage treatment device arranged on the lower side of the rolling drum for receiving water and impurities after spraying and washing, and a return pipeline being arranged between the sewage treatment device and the spraying device for recycling the purified sewage to the spraying device.

2. The cleaning apparatus according to claim 1, characterized in that The feeding device comprises: a mounting plate being arranged at an angle; a conveyor belt arranged on the mounting plate for transporting materials; a first speed reducer connected to a rolling shaft of the conveyor belt for controlling a transmission speed of the conveyor belt.

3. The cleaning apparatus according to claim 1, wherein The feeding device further comprises: a feeding hopper connected to an end of the mounting plate for receiving materials; a vortex pump arranged at the bottom of the feeding hopper to generate vortex in the feeding hopper for preliminary separation of the materials and impurities.

4. The cleaning apparatus according to claim 3, wherein The rolling device comprises: a second speed reducer connected to a driving wheel for driving the driving wheel to rotate; at least one driving wheel meshing with a driven wheel; the driven wheel being arranged on the outer periphery of the rolling drum and cooperating with the driving wheel to drive the rolling drum to rotate.

5. The cleaning apparatus according to claim 4, wherein The inner wall of the rolling drum is provided with a hollow spiral structure or the rolling drum is arranged at an angle for uniformly outputting the materials during rotation, and the inner wall of the rolling drum is further provided with bristles for contacting the materials for cleaning.

6. The cleaning apparatus of claim 5, wherein The rolling drum comprises a first section and a second section from an input end to an output end, and the first spraying structure comprises: a high-pressure spraying mechanism arranged in the first section for high-pressure spraying of the materials; an atomizing spraying mechanism arranged in the second section for atomizing spraying of the materials.

7. The cleaning apparatus of claim 5, wherein The sewage treatment device is provided with a water collecting hopper and a water storage bin, the water collecting hopper and the water storage bin being arranged on the lower side of the rolling drum relative to the first spraying structure, a first filtering structure being arranged between the water collecting hopper and the water storage bin, sewage being discharged from the output end of the rolling drum, entering the water collecting hopper, filtered through the first filtering structure and then input to the water storage bin.

8. The cleaning apparatus of claim 7, wherein, The water storage bin internally comprises a second filtering structure for secondary filtering of the sewage.

9. The cleaning apparatus of claim 8, wherein, The output end of the water storage bin is connected to a pipeline of the first spraying structure for recycling the secondary filtered sewage. The cleaning device further comprises: a rack for bearing the feeding device, the rolling device and the sewage treatment device.

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