CN221971326U - Circulating oil-separating catering oil-water separation device - Google Patents

Abstract

The utility model discloses a circulating oil-separating catering oil-water separation device, which relates to the technical field of oil-water separation and solves the problems of the existing catering oil-water separation equipment being too large in size and the mismatch between the equipment. The utility model includes a lifting box, an oil-water separation box, a solid-liquid separation box, a control box and a maintenance box, wherein the lifting box, the oil-water separation box and the solid-liquid separation box are sequentially connected from bottom to top; a maintenance box is provided on the sides of the lifting box and the oil-water separation box; a circulating oil removal device and a lifting device are provided in the maintenance box; an oil separator is provided in the oil-water separation box, and a sand discharge pipe is provided between the oil-water separation box and the lifting box. The utility model adopts an upper and lower structure to save the installation space of the oil-water separator; the circulating oil removal device performs multiple circulation treatments on the oil-water mixture to improve efficiency; the oil separator is used to prevent the separated wastewater from bringing in grease when it flows into the lifting box; the sediment generated in the oil-water separation process is discharged through the sand discharge pipe to ensure the effective processing volume inside the device.

Description

A circulating oil-water separation device for catering

Technical Field

The utility model relates to the technical field of oil-water separation of catering wastewater, in particular to a circulating oil-separation catering oil-water separation device.

Background Art

As competition in traditional business districts becomes increasingly fierce, they are gradually transforming into urban complexes, from the original single business model of selling goods to a multi-functional one-stop consumption model with movie watching, book reading, shopping, dining, etc. In this transformation process, due to the addition of the catering format, it is necessary to upgrade the original building drainage system and add a finished catering oil-water separation system.

However, the existing treatment system equipped with a grease trap could not meet the increase in kitchen wastewater discharge caused by the expansion of the catering business scale. In addition, the cast grease trap had deep residue due to years of use and needed to be cleaned manually regularly, which caused odor and polluted the environment. The grease trap needed to be modified.

During the above-mentioned transformation process, due to the limitations of building structure, usage function and usage area, the existing catering oil-water separation equipment is too large and it is difficult to find an equipment room with a suitable area for the installation of the catering oil-water separator. As a result, the oil-water separation equipment can only be selected according to the area of the original equipment room, and the expected oil separation effect cannot be achieved.

Utility Model Content

In order to solve the problem mentioned above that the existing catering oil-water separation equipment is too large and leads to mismatch between equipment, the utility model hereby proposes a circulating oil-separation catering oil-water separation device. The utility model saves the installation space of the finished oil-water separator by adopting an upper and lower structure for the solid-liquid separation box, the oil-water separation box and the wastewater lifting box of the finished oil-water separator, and solves the problem that the old commercial buildings in the city need to add catering oil-water separators after adding catering formats during the industrial transformation process, and cannot provide a larger area for equipment.

The utility model proposes a circulating oil-separating catering oil-water separation device, which specifically comprises a lifting box, an oil-water separation box, a solid-liquid separation box, a control box and a maintenance box, wherein the lifting box, the oil-water separation box and the solid-liquid separation box are sequentially connected from bottom to top; a control box is arranged on the oil-water separation box; a maintenance box is arranged on the sides of the lifting box and the oil-water separation box, and the internal spaces of the lifting box and the maintenance box are connected;

A water inlet is arranged at the upper end of the solid-liquid separation box, a swing-type slag removal device is arranged inside the solid-liquid separation box, a slag guide groove is arranged at the lower end of the swing-type slag removal device, and the slag guide groove is arranged obliquely and extends into the maintenance box;

A spiral oil separator is provided in the oil-water separation box, and an oil collecting tank is provided above the spiral oil separator; the oil-water separation box is connected to the lifting box through a downpipe; an oil baffle is provided on the inner wall of the oil-water separation box, and the oil baffle is a cylindrical structure and is sleeved on the outer side of the spiral oil separator; the downpipe is provided between the oil baffle and the inner wall of the oil-water separation box;

A circulating oil removal device and a lifting device are arranged in the maintenance box. The circulating oil removal device circulates the waste water in the lifting box back to the spiral oil separator; the lifting device is connected to the water outlet on the maintenance box to discharge the waste water.

Furthermore, the upper end of the oil baffle plate is higher than the upper end of the spiral oil separator; the lower end of the oil baffle plate is lower than the upper end of the spiral oil separator and higher than the lower end of the spiral oil separator; the upper end of the downpipe is lower than the upper end of the oil baffle plate and higher than the upper end of the spiral oil separator.

Furthermore, an overflow pipe is arranged at the upper end of the down pipe, and the mouth of the overflow pipe is lower than the upper end of the oil baffle plate and 1-10 mm higher than the oil collecting tank.

Furthermore, an electric push rod is arranged in the oil-water separation box, and a liquid level controller is arranged at the lower end of the electric push rod. The liquid level controller cooperates with the downpipe to control the opening and closing of the downpipe opening.

Furthermore, a water separation ring is arranged at the upper end of the spiral oil separator; the water separation ring is connected to the circulating oil removal device to transport the waste water back to the spiral oil separator.

Furthermore, the circulating oil removal device includes a circulating pump box, a circulating pump and a floating oil collector, the circulating pump is arranged in the circulating pump box, the floating oil collector is connected to the circulating pump box through a plurality of connecting pipes, and the circulating pump is connected to the water distribution ring through a pipeline.

Furthermore, the lifting device includes a lifting pump, a plurality of drain pipes and a check valve. The lifting pump is connected to the water outlet through the plurality of drain pipes, and a check valve is arranged on the drain pipe.

Furthermore, the bottom of the oil-water separation box is a conical structure and is provided with a sand discharge pipe; one end of the sand discharge pipe is connected to the conical structure, and the other end is connected to the lifting box, and is provided with a sand discharge ball valve and a sand discharge electric valve.

Furthermore, a control panel is provided on the control box, and the control panel is electrically connected to the swing-type slag removal device, the electric push rod, the circulation pump, the lifting pump and the sand discharge electric valve.

The beneficial effects of the circulating oil-separating catering oil-water separation device described in the utility model are:

(1) The utility model discloses a circulating oil-separation catering oil-water separation device, which saves installation space of the finished oil-water separator by adopting an upper and lower structure for the solid-liquid separation box, the oil-water separation box and the wastewater lifting box of the finished oil-water separator, and solves the problem that in the process of industrial transformation of old commercial buildings in cities, after the addition of catering formats, catering oil-water separators need to be added, and a large area of equipment room cannot be provided;

(2) The utility model discloses a circulating oil-water separation device for catering, which circulates the wastewater in the lifting box back to the oil-water separation box for multiple oil removal through the circulating oil removal device, thereby improving the oil removal efficiency; when the oil needs to be discharged, the electric push rod controls the liquid level controller to move downward to seal the outlet of the drain pipe, and the circulating oil removal device transports the wastewater in the lifting box to the oil-water separation box so that the entire liquid level rises, so that the oil floating on the water surface enters the oil collecting tank and is discharged. Compared with the existing oil separators of the same volume and the same processing capacity, the oil-water separation efficiency can be improved by more than 5% and the installation area can be saved by more than 45%;

(3) The utility model discloses a circulating oil-water separation device for catering, which discharges solid sediments produced in the process of oil-water separation through a sand discharge pipe arranged at the bottom of the conical structure of the oil-water separation box, thereby avoiding the problem of reduction of effective processing volume due to sedimentation of residues or silt in the device.

BRIEF DESCRIPTION OF THE DRAWINGS

The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and the description thereof are used to explain the present invention and do not constitute an improper limitation on the present invention.

In the attached picture:

FIG1 is a schematic diagram of the three-dimensional structure of a circulating oil-separating catering oil-water separation device according to the utility model;

FIG2 is a schematic diagram of the internal structure of a circulating oil-separating catering oil-water separation device according to the utility model;

FIG3 is a partial cross-sectional view of the three-dimensional structure of a circulating oil-separating catering oil-water separation device according to the utility model;

Among them: 1-underframe, 11-bracket, 2-lifting box, 21-circulating pump box, 22-circulating pump, 23-check valve, 24-lifting pump, 25-connecting pipe, 26-floating oil collector, 27-sand discharge ball valve, 28-sand discharge electric valve, 29-drain valve, 3-oil-water separation box, 30-down pipe, 31-spiral oil separator, 32-overflow pipe, 33-water dividing ring, 34-oil baffle, 35-water guide bucket, 36-liquid level controller, 37-electric push rod, 38-oil collecting tank, 4-return liquid separation box, 41-swinging slag removal device, 42-slag guide tank, 43-slag outlet, 44-oil discharge valve, 45-slag collecting bucket, 46-water guide tank, 5-intelligent control box, 51-control panel, 6-water inlet, 7-inspection cover, 8-water outlet, 9-inspection box.

DETAILED DESCRIPTION

The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings:

Specific implementation method 1: Refer to Figures 1-3 for a detailed description of this implementation method. The circulating oil-separating catering oil-water separation device described in this implementation method specifically includes a base frame 1, a lifting box 2, an oil-water separation box 3, a solid-liquid separation box 4, a control box 5 and a maintenance box 9. The base frame 1, the lifting box 2, the oil-water separation box 3 and the solid-liquid separation box 4 are sequentially connected from bottom to top. An oil-water separation box bottom plate is provided between the lifting box 2 and the oil-water separation box 3 and supported by a bracket 11; a control box 5 is provided on the oil-water separation box 3; a maintenance box 9 is provided on the side of the lifting box 2 and the oil-water separation box 3, the internal space of the lifting box 2 is connected to the internal space of the maintenance box 9, and the oil-water separation box 3 and the maintenance box 9 are separated by a partition.

A water inlet 6 is provided at the upper end of the solid-liquid separation box 4, and a swing-type slag removal device 41 is provided in the solid-liquid separation box 4, and the oil-water mixture enters the swing-type slag removal device 41 through the water inlet 6; a slag guide groove 42 and a water guide groove 46 are provided at the lower end of the swing-type slag removal device 41; the slag guide groove 42 is inclined and extends into the maintenance box 9, and a slag outlet 43 is provided at the end of the slag guide groove 42, and a slag collecting bucket 45 is placed below the maintenance box 9 corresponding to the slag outlet 43 through a bracket; the water guide groove 46 transports the oil-water mixture after the oil residue is separated to the spiral oil separator 31 below; a liquid level sensor is provided in the swing-type slag removal device 41.

A spiral oil separator 31 with a cylindrical structure is arranged in the oil-water separation box 3, an oil collecting trough 38 is arranged above the spiral oil separator 31, the oil collecting trough 38 is connected with the maintenance box 9 through an oil collecting pipe, an oil collecting barrel is placed through a bracket just below the outlet of the oil collecting pipe in the maintenance box 9, and an oil drain valve 44 is arranged on the oil collecting pipe; a water guide scoop 35 is arranged in the center of the spiral oil separator 31, the water guide scoop 35 and the water guide trough 46 are facing each other in the vertical direction, and the oil-water mixture is discharged from the water guide trough 46 and enters the spiral oil separator 31 through the water guide scoop 35 for oil-water separation. A downpipe 30 is provided at the bottom of the oil-water separation box 3, and the oil-water separation box 3 is connected to the lifting box 2 through the downpipe 30, and the waste water after oil separation flows into the lifting box 2 through the downpipe 30; an oil baffle plate 34 is fixedly provided on the inner wall of the oil-water separation box 3, and the oil baffle plate 34 is a cylindrical structure and is sleeved on the outside of the spiral oil separator 31; the downpipe 30 is arranged between the oil baffle plate 34 and the inner wall of the oil-water separation box 3.

A circulating oil removal device and a lifting device are provided in the inspection box 9. The circulating oil removal device circulates the waste water in the lifting box 2 back to the spiral oil separator 31. The lifting device is connected to the water outlet 8 on the inspection box 9 to discharge the waste water. A liquid level sensor is also provided in the inspection box 9. An inspection cover 7 is provided on the inspection box 9. The slag collecting bucket 45 and the oil collecting bucket can be taken out by opening the inspection cover 7.

The upper end of the oil baffle plate 34 is higher than the upper end of the spiral oil separator 31; the lower end of the oil baffle plate 34 is lower than the upper end of the spiral oil separator 31 and higher than the lower end of the spiral oil separator 31; the upper end of the downpipe 30 is lower than the upper end of the oil baffle plate 34 and higher than the upper end of the spiral oil separator 31.

An overflow pipe 32 is disposed at the upper end of the down pipe 30 , and the opening of the overflow pipe 32 is lower than the upper end of the oil baffle plate 34 and is 1-10 mm higher than the oil collecting tank 38 .

An electric push rod 37 is provided on the upper surface of the inner part of the oil-water separation box 3 at a position directly above the downcomer 30, and a liquid level controller 36 is provided at the lower end of the electric push rod 37. The liquid level controller 36 and the downcomer 30 cooperate to control the opening and closing of the downcomer 30. When the circulating oil-water separation operation is performed, the liquid level controller 36 moves upward under the control of the electric push rod 37, the downcomer 30 opens, and the wastewater after the oil and fat are separated enters the lifting box 2. When the oil needs to be drained, the liquid level controller 36 moves downward under the control of the electric push rod 37, the downcomer 30 is closed by the liquid level controller 36, and the circulating pump 22 transports the wastewater in the lifting box 2 to the oil-water separation box 3 to increase the overall liquid level, and the oil layer separated in the oil-water separation box 3 is discharged from the oil collecting tank 38.

A water separation ring 33 is provided at the upper end of the outer ring of the spiral oil separator 31 ; the water separation ring 33 is connected to the circulating oil removal device to circulate the waste water in the lifting box 2 back to the spiral oil separator 31 .

The circulating oil removal device includes a circulating pump box 21, a circulating pump 22 and a floating oil collector 26. The circulating pump 22 is arranged in the circulating pump box 21. The floating oil collector 26 is connected to the circulating pump box 21 through two connecting pipes 25. The circulating pump 22 is connected to the water diversion ring 33 through a pipeline. Specifically, the lower end of the floating oil collector 26 is rotatably connected to the two connecting pipes 25 through a three-way pipe and a symmetrical form, and the circulating pump box 21 is rotatably connected to the two connecting pipes 25 through a three-way pipe and a symmetrical form, so that the floating oil collector 26 can float on the wastewater liquid surface in the lifting box 2.

The lifting device includes a lifting pump 24, a plurality of drain pipes and a check valve 23. The lifting pump 24 is connected to the water outlet 8 through the plurality of drain pipes, and the check valve 23 is arranged on the drain pipe.

The part of the bottom of the oil-water separation box 3 corresponding to the spiral oil separator 31 is a conical structure and is provided with a sand discharge pipe; one end of the sand discharge pipe is connected to the conical structure, and the other end is connected to the lifting box 2; the middle section of the sand discharge pipe is arranged on the outer side of the lifting box 2 and is provided with a sand discharge ball valve 27 and a sand discharge electric valve 28; the sediment generated during the oil-water separation process is discharged into the lifting box 2 through the sand discharge pipe.

The control box 5 is provided with a control panel 51 , which is electrically connected to the swing-type slag removal device 41 , the electric push rod 37 , the circulation pump 22 , the lifting pump 24 , the liquid level sensor and the sand discharge electric valve 28 .

The specific working process of the circulating oil-separating catering oil-water separation device described in the utility model is as follows:

The catering wastewater discharged from the kitchen flows into the water inlet 6 at the upper end of the solid-liquid separation box 4 through the drainage pipeline, and is filtered by the swing-type slag removal mechanism 41 to filter out the residue with larger particle size, and the residue falls into the slag collection bucket 45 from the slag outlet 43 through the slag guide groove 42. The wastewater falls into the oil-water separation box 3 in the middle layer of the device through the water guide groove 46 of the swing-type slag removal mechanism 41, and enters the spiral oil separator 31 through the water guide bucket 35 for oil-water separation. The wastewater flows from the lower end of the water baffle 34 to the oil-water separation box 3 and the water baffle 34 along the spiral oil separator 31 and the oil baffle 34, and flows into the lifting box 2 at the lower layer of the device through the pipe mouth at the upper end of the downpipe 30, thereby ensuring that the grease floating on the upper layer will not be brought into the lifting box 2 during the process of the wastewater flowing into the lifting box 2; when the water level of the lifting box 2 reaches the setting position of the liquid level sensor, the intelligent control cabinet 5 starts the lifting pump 24, and the wastewater is discharged through the check valve 23 and the water outlet 8. The purpose of installing a catering oil-water separator with a large processing capacity in a smaller footprint is achieved.

When the floating oil layer on the liquid surface in the oil-water separation box 3 reaches a preset thickness, the oil discharge program is started through the control panel 51, the electric push rod 37 on the liquid level controller 36 moves, the liquid level controller 36 falls to close the water inlet of the downpipe 30, the circulating pump 22 is started, and the wastewater in the lifting box 2 flows into the circulating pump box 21 through the floating oil collector 26, and is lifted to the water dividing ring 33 in the oil-water separation box 3 by the circulating pump 22, and the liquid level in the oil-water separation box 3 rises; when the liquid level is higher than the upper port of the oil collecting tank 38, the grease in the oil-water separation box 3 flows into the oil collecting tank 38, the oil drain valve 44 is opened, and the grease flows out of the device into the oil collecting barrel. After the oil is drained, the oil drain valve 44 is closed, the intelligent control cabinet 5 controls the electric push rod 37 to drive the liquid level controller 36 to move upward, the liquid level controller 36 opens the water inlet of the downpipe 30, the wastewater flows into the lifting box 2 through the downpipe 30, and the liquid level in the oil-water separation box 3 falls back to the working liquid level. During this process, if there is grease on the wastewater surface in the lifting box 2, the grease is discharged to the oil-water separation box 3 through the floating oil collector 26, the circulating pump 22 and the water dividing ring 33, and secondary oil-water separation is carried out, thereby realizing the automatic discharge of grease in the oil-water separation box 3 and the circulating oil separation problem of a small amount of floating oil on the liquid surface in the lifting box 2, thereby improving the oil removal efficiency of the device.

The control cabinet 5 executes the sand discharge procedure, the circulating pump 22 is started, the wastewater in the lifting box 2 is lifted to the oil-water separation box 3, the sand discharge electric valve 28 is opened, the residue or silt is discharged into the lifting box 2 through the sand discharge pipe, and the residue or silt is discharged through the lifting pump 24. The control cabinet 5 stops the circulating pump 22, and the sand discharge electric valve 28 is closed. This process solves the problem that the residue or silt in the oil-water separation box 3 is precipitated and plated, the effective volume of the oil-water separation box is reduced, and the residue or silt in the device needs to be cleaned regularly. At the same time, it also avoids the problem of a small amount of floating oil on the liquid surface in the lifting box 2 generating odor, realizes the function of circulating oil and water separation of the wastewater in the lifting box 2, and further improves the oil removal efficiency of the device.

Summarizing the above implementation cases, the utility model discloses a circulating oil-separating catering oil-water separation device, which saves installation space of the finished oil-water separator by setting the solid-liquid separation box 4, the oil-water separation box 3 and the lifting box 2 of the finished oil-water separator as an upper and lower structure, and solves the problem that in the process of industrial transformation of old commercial buildings in cities, after the addition of catering formats, catering oil-water separators need to be added, and a larger area of equipment room cannot be provided; the utility model discloses a circulating oil-separating catering oil-water separation device, which circulates the waste water in the lifting box 2 back to the oil-water separation box 3 for multiple oil removal through the circulating oil removal device, thereby improving the oil removal efficiency; when oil needs to be discharged, the electric push rod 3 is used 7 The liquid level controller 36 is controlled to move downward to seal the outlet of the sewer pipe 30, and the circulating oil removal device transports the waste water in the lifting box 2 to the oil-water separation box 3 to raise the entire liquid level, so that the oil floating on the water surface enters the oil collecting tank 38 and is discharged. Compared with the existing oil separators of the same volume and the same processing capacity, the oil-water separation efficiency can be improved by more than 5% and the installation area can be saved by more than 45%. The circulating oil-separating catering oil-water separation device described in the utility model discharges the solid sediment generated in the oil-water separation process through the sand discharge pipe arranged at the bottom of the conical structure of the oil-water separation box 3, thereby avoiding the problem of reduced effective processing volume caused by residue or sedimentation in the device.

The specific embodiments described above further describe the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only a specific embodiment of the utility model and is not intended to limit the utility model. It can also be a reasonable combination of the features recorded in the above implementation methods. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims (9)

1. The utility model provides a circulation oil removal catering oil water separator which characterized in that: the device comprises a lifting box (2), an oil-water separation box (3), a solid-liquid separation box (4), a control box (5) and an overhaul box (9), wherein the lifting box (2), the oil-water separation box (3) and the solid-liquid separation box (4) are sequentially connected from bottom to top; a control box (5) is arranged on the oil-water separation box (3); an overhaul box (9) is arranged on the side surfaces of the lifting box (2) and the oil-water separation box (3), and the lifting box (2) is communicated with the inner space of the overhaul box (9);

The upper end of the solid-liquid separation box (4) is provided with a water inlet (6), a swing type slag removing device (41) is arranged in the solid-liquid separation box (4), the lower end of the swing type slag removing device (41) is provided with a slag guiding groove (42), and the slag guiding groove (42) is obliquely arranged and extends into the overhaul box (9);

A spiral oil separation device (31) is arranged in the oil-water separation box (3), and an oil collecting groove (38) is arranged above the spiral oil separation device (31); the oil-water separation tank (3) is communicated with the lifting tank (2) through a sewer pipe (30); an oil baffle plate (34) is arranged on the inner wall of the oil-water separation tank (3), and the oil baffle plate (34) is of a cylindrical structure and is sleeved on the outer side of the spiral oil separation device (31); the sewer pipe (30) is arranged between the oil baffle plate (34) and the inner wall of the oil-water separation tank (3);

a circulating oil removing device and a lifting device are arranged in the overhaul box (9), and the circulating oil removing device circulates the wastewater in the lifting box (2) back to the spiral oil removing device (31); the lifting device is communicated with a water outlet (8) on the overhaul box (9) to discharge the wastewater.

2. The circulating oil-separation catering oil-water separation device according to claim 1, wherein: the upper end of the oil baffle plate (34) is higher than the upper end of the spiral oil separation device (31); the lower end of the oil baffle (34) is lower than the upper end of the spiral oil separation device (31) and higher than the lower end of the spiral oil separation device (31); the upper end of the sewer pipe (30) is lower than the upper end of the oil baffle plate (34) and higher than the upper end of the spiral oil separation device (31).

3. The circulating oil-separation catering oil-water separation device according to claim 2, wherein: the upper end of the sewer pipe (30) is provided with an overflow pipe (32), and the pipe orifice of the overflow pipe (32) is lower than the upper end of the oil baffle plate (34) and is 1-10mm higher than the oil collecting groove (38).

4. A circulating oil-separating catering oil-water separator according to any one of claims 1-3, characterized in that: an electric push rod (37) is arranged in the oil-water separation tank (3), a liquid level controller (36) is arranged at the lower end of the electric push rod (37), and the liquid level controller (36) and the sewer pipe (30) are matched to control the opening and closing of the pipe orifice of the sewer pipe (30).

5. The circulating oil-separation catering oil-water separation device according to claim 1, wherein: the upper end of the spiral oil separation device (31) is provided with a water separation ring (33); the water distributing ring (33) is communicated with the circulating oil removing device to convey the wastewater back to the spiral oil removing device (31).

6. The circulating oil-separation catering oil-water separation device according to claim 5, wherein: the circulating oil removal device comprises a circulating pump box (21), a circulating pump (22) and a floating oil collector (26), wherein the circulating pump (22) is arranged in the circulating pump box (21), the floating oil collector (26) is communicated with the circulating pump box (21) through a plurality of communicating pipes (25), and the circulating pump (22) is communicated with a water diversion ring (33) through a pipeline.

7. The circulating oil-separation catering oil-water separation device according to claim 1, wherein: the lifting device comprises a lifting pump (24), a plurality of drain pipes and check valves (23), wherein the lifting pump (24) is communicated with the water outlet (8) through the drain pipes, and the check valves (23) are arranged on the drain pipes.

8. The circulating oil-separation catering oil-water separation device according to claim 1, wherein: the bottom of the oil-water separation box (3) is of a conical structure and is provided with a sand discharge pipe; one end of the sand discharge pipe is communicated with the conical structure, the other end of the sand discharge pipe is communicated with the lifting box (2), and a sand discharge ball valve (27) and a sand discharge electric valve (28) are arranged.

9. The circulating oil-separation catering oil-water separation device according to claim 1, wherein: the control box (5) is provided with a control screen (51), and the control screen (51) is electrically connected with the swing type slag removing device (41), the electric push rod (37), the circulating pump (22), the lifting pump (24) and the sand discharging electric valve (28).