A mud soil centralized recycling device and recycling method

Abstract

The application discloses a mud soil centralized recycling device and recycling method, and technical scheme points are as follows: a treatment box is arranged, an upper passage is arranged on the upper portion of the treatment box, an upper pressing plate is arranged in the upper passage, a side passage is arranged on the side surface of the treatment box, and a side passage is arranged in the side passage; a water filtering plate is arranged on the bottom of the treatment box, a discharge port is arranged on the side surface of the treatment box opposite to the side passage, and a gate is arranged at the discharge port; a discharge mesh plate is arranged outside the discharge port, the discharge mesh plate is used for allowing the mud soil after extrusion dehydration to pass through and cutting the mud soil; and the angle of the discharge mesh plate can be adjusted. The mud soil can be efficiently and stably dehydrated, and recycling of the mud soil is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to a mud soil treatment device, more particularly, it relates to a mud soil centralized recycling device and a mud soil centralized recycling method. BACKGROUND

[0002] Mud soil is a common waste, which is in the form of mud, mainly composed of mud, sand and water, etc. Its texture is relatively loose, and the water content is relatively high. In the construction industry, mud soil also contains a certain amount of construction waste, which is difficult to recycle. Direct landfill and discharge can easily cause environmental pollution. Therefore, mud soil needs to be recycled to reduce emissions and recycle the sand in mud soil for reuse to obtain certain economic value.

[0003] At present, the most critical step in mud soil recycling is to dehydrate the mud soil, that is, to remove a large amount of water from the mud soil to make it into a block with lower water content. In the process of mud soil dehydration, plate filter press equipment or belt filter press equipment can be used for dehydration treatment.

[0004] In addition, there is a relatively recommended mud treatment device in the construction industry, as shown in Figure 5 The main body is a box-shaped treatment box, which is provided with an upper channel in the upper part, and an upper pressing plate is arranged in the upper channel. A side channel is arranged on the side, and a side pressing plate is arranged in the side channel. The mud soil in the treatment box is treated by extrusion of the upper pressing plate and the side pressing plate. This kind of treatment equipment not only can treat mud soil, but also can store and collect a small amount of mud soil. The bottom of the treatment box is open and is provided with a filter plate for discharging water in the mud soil. A discharge port is arranged on the side of the treatment box opposite to the side channel, and a gate is arranged at the discharge port. A discharge mesh plate is also arranged at the discharge port. The dehydrated mud soil block is pushed through the discharge mesh plate, and the discharge mesh plate cuts the passing mud soil block to divide the dehydrated mud soil block into small pieces, so that the mud soil can be recycled.

[0005] However, the angle between the discharge mesh plate and the mud soil block in the current equipment cannot be adjusted. After the mud soil block is extruded by dehydration, its surface will form a relatively hard state. When the mud soil block moves to the surface of the discharge mesh plate, the mud soil block and the discharge mesh plate are in flat contact, and the two form a stable contact state, which makes the discharge mesh plate prone to discharge difficulty, causing the equipment to be prone to jamming, and the discharge mesh plate needs to be disassembled and manually operated by workers.

[0006] Therefore, a new scheme is needed to solve this problem. SUMMARY

[0007] The mud soil centralized recycling device aims to solve the above problems and can adjust the angle of the discharging mesh plate for cutting the dewatered mud soil.

[0008] The above technical purpose of the present application is achieved by the following technical scheme: a mud soil centralized recycling device, comprising a treatment box, an upper passage is arranged at the upper part of the treatment box, an upper pressing plate is arranged in the upper passage, a side passage is arranged at the side of the treatment box, and a side pressing plate is arranged in the side passage; a filter plate is arranged at the bottom of the treatment box, a discharge port is arranged at the side of the treatment box opposite to the side passage, and a gate is arranged at the discharge port; a discharging mesh plate is arranged outside the discharge port, which can be passed through by the dewatered mud soil and is used for cutting the mud soil; and the angle of the discharging mesh plate can be adjusted.

[0009] The upper pressing plate is driven by an upper pressing rod to push the upper pressing plate to push and extrude the mud soil; the side pressing plate is driven by a side pressing rod to drive the side pressing plate to push and extrude the mud soil; and the upper side wall of the side passage is provided with an inlet, which is located at the side where the side passage is connected with the treatment box.

[0010] The outer side of the discharge port is provided with a discharging passage, the discharging mesh plate is arranged in the discharging passage, and the lower side of the discharging passage is provided with a discharge port.

[0011] The discharging passage is provided with a grid-shaped support frame, a plurality of telescopic rods II are arranged at the side of the support frame away from the discharging mesh plate, the fixed end of the telescopic rod II is mounted in the discharging passage, the movable end of the telescopic rod II is rotationally connected with the support frame through a rotating seat, the inclination angle of the support frame can be adjusted by adjusting the telescopic rod II, the inclination angle of the support frame is adapted to the inclination angle of the discharging mesh plate, and the support frame is used for supporting the discharging mesh plate.

[0012] The upper side of the discharging mesh plate is provided with a sliding block, the sliding block is slidingly connected with the upper side wall of the discharging passage and is driven to slide through a telescopic rod I, and the upper side of the discharging mesh plate is rotationally connected with the sliding block through a rotating shaft.

[0013] The bottom of the discharging passage is provided with a notch, the lower end of the discharging plate extends from the notch, a limiting assembly is arranged in the notch, the limiting assembly is rotationally connected in the notch, and the limiting assembly is used for guiding the sliding of the lower end of the discharging plate.

[0014] The application further provides that the limiting assembly comprises a limiting seat, the side of the limiting seat is rotationally connected to the notch through a connecting shaft, the limiting seat is provided with a sliding channel, and the lower end of the discharge mesh plate extends into the sliding channel and is slidingly supported by the limiting seat, so that the up-and-down sliding can be realized.

[0015] The application further provides that the outer side of the limiting seat is fixedly connected with an arc-shaped protrusion, the outer side of the arc-shaped protrusion is arc-shaped, and the center of the arc-shaped protrusion is located at the axis of the connecting shaft; and one side of the notch is provided with an arc-shaped groove matched with the arc-shaped protrusion.

[0016] The application further provides that the limiting assembly further comprises a limiting plate, the limiting plate is rotationally connected to the limiting seat through a limiting shaft, and the sliding channel is formed between the limiting plate and the limiting seat; the sliding channel is slidingly matched with the lower end of the discharge mesh plate; the limiting shaft is located at the lower side of the connecting shaft and at the lower side of the limiting plate; and the upper portion of the limiting plate extends into the discharge channel.

[0017] The application further provides that one side of the discharge mesh plate away from the treatment box is supported and pressed by a supporting frame, the lower side of the supporting frame is fixedly connected with a pressing block, and the pressing block is used for pressing the limiting plate; when the supporting frame and the discharge mesh plate are supported and pressed, the pressing block is in abutment with the upper portion of the limiting plate, the upper end of the limiting plate is extruded in the direction of the limiting seat, and the lower side of the discharge mesh plate is clamped and limited.

[0018] The application provides a mud soil centralized recycling method, which adopts the mud soil centralized recycling device to perform treatment on mud soil and dehydrate the mud soil. In the treatment process, the mud soil to be treated is injected into the treatment box, gathered in the inside of the treatment box, extruded by the upper pressing plate and the side pressing plate, dehydrated by extrusion, and a large amount of water in the mud soil is extruded out of the treatment box through the filter plate at the bottom of the treatment box, so that the mud soil is dehydrated. After the mud soil is extruded, the mud soil is relatively dry, and is formed into a lump structure from a slurry. Then, the dehydrated mud soil is separated by the discharge mesh plate, so that the mud soil is cut and separated into small structures from a whole large mud soil, and subsequent use of the mud soil is facilitated.

[0019] In summary, the application has the following beneficial effects:

[0020] By adopting the angle-adjustable discharging mesh plate, the discharging mesh plate angle of the mud soil cutting can be adjusted, the plane where the discharging mesh plate is located will be inclined to the surface plane of the mud soil, the basic area between the discharging mesh plate and the mud soil will be reduced when initially contacted, and then the smoothness of the mud soil block into the discharging mesh plate can be increased, and the cutting treatment on the dehydrated blocky mud soil is facilitated. Moreover, by adjusting the inclination angle of the discharging mesh plate, the discharging mesh plate can adapt to different types of mud soil, and the adaptability of the mud soil cutting is more flexible. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of a mud soil centralized recycling device of the present application;

[0022] Figure 2 It is a structural schematic view of a limiting assembly of the present application;

[0023] Figure 3 It is a structural schematic view of another mud soil centralized recycling device of the present application;

[0024] Figure 4 It is a structural schematic view of another limiting assembly of the present application;

[0025] Figure 5 It is a structural schematic view of a mud soil treatment device in the prior art.

[0026] The reference signs are as follows: 1, treatment box; 2, upper channel; 3, side channel; 4, upper pressing plate; 5, upper pressing rod; 6, side pressing plate; 7, side pressing rod; 8, feeding port; 9, discharging port; 10, gate; 11, water filtering plate; 12, discharging channel; 13, discharging port; 14, discharging mesh plate; 15, sliding block; 16, telescopic rod one; 17, limiting assembly; 170, notch; 171, limiting seat; 172, limiting plate; 173, limiting shaft; 18, supporting frame; 181, pressing block; 19, telescopic rod two; 20, rotating seat; 21, connecting shaft; 22, slide; 23, arc-shaped protrusion; 24, arc-shaped groove. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0028] The present embodiment discloses a mud soil centralized recycling device, which comprises a treatment box, a plurality of upper channels and a plurality of side channels. Figure 1As shown, including processing box 1, the upper part of processing box 1 is provided with upper channel 2, upper channel 2 is provided with upper pressing plate 4, upper pressing plate 4 is driven by upper pressing rod 5, for pushing upper pressing plate 4 to push and extrude the mud soil; The side of the processing box 1 is provided with side channel 3, the side channel 3 is provided with side pressing plate 6, the side pressing plate 6 is driven by side pressing rod 7, for driving the side pressing plate 6 to push and extrude the mud soil; The upper side wall of the side channel 3 is provided with inlet 8, and the inlet 8 is located on the side of the side channel 3 connected with the processing box 1.

[0029] The bottom of the processing box 1 is provided with filter plate 11, which can supply the water in the mud soil to flow out and block the particles in the mud soil, so that it remains in the processing box 1.

[0030] During the processing of the mud soil, the mud soil to be processed is injected into the processing box 1, and the mud soil is gathered in the inside of the processing box 1. The mud soil is extruded by the upper pressing plate 4 and the side pressing plate 6, and the mud soil in the processing box 1 is extruded and dehydrated. A large amount of water in the mud soil is extruded and flows out from the filter plate 11 at the bottom of the processing box 1, realizing the dehydration treatment of the mud soil. After the mud soil is extruded, the relatively dry mud soil is obtained, which is dehydrated from the mud to form a lump structure.

[0031] The side of the processing box 1 opposite to the side channel 3 is provided with discharge port 9, and the discharge port 9 is provided with gate 10. The gate 10 can slide to open and close the discharge port 9. The discharge port 9 is provided with discharge mesh plate 14 outside the discharge port 9. The discharge mesh plate 14 is a mesh structure, which can pass through the mud soil from the discharge mesh plate 14. The dehydrated mud soil is separated by the discharge mesh plate 14, so that the mud soil can be cut into small pieces from the whole mud soil, which is beneficial to the subsequent use of the mud soil.

[0032] Further, the angle of the discharge mesh plate 14 is inclined and adjustable, as shown in Figure 1 , Figure 2 The discharge channel 12 is installed outside the discharge port 9, and the discharge mesh plate 14 is arranged in the discharge channel 12 and provided with discharge port 13 at the lower side of the discharge channel 12. The small piece of mud soil cut by the discharge mesh plate 14 from the discharge port 9 is output from the discharge channel 12, and then output from the discharge port 13 at the bottom of the discharge channel 12.

[0033] Further, a sliding block 15 is installed on the upper side of the discharge mesh plate 14, and the sliding block 15 is slidingly connected to the upper side wall of the discharge channel 12, can realize transverse sliding adjustment along the guide direction, and is driven to slide through the telescopic rod I 16. The upper side of the discharge mesh plate 14 is rotationally connected to the sliding block 15 through a rotating shaft, and the discharge mesh plate 14 can realize angle adjustment action by being supported by the sliding block 15.

[0034] Since the length of the discharge mesh plate 14 in the discharge channel 12 will change during the inclination adjustment of the discharge mesh plate 14, the discharge mesh plate 14 will be adjusted from the vertical state to the inclined state, that is, the upper end of the discharge mesh plate 14 can be adjusted to an angle of 5°-15° towards the right side.

[0035] The length of the discharge mesh plate 14 needs to be greater than the height of the discharge channel 12, and a notch 170 can be formed at the bottom of the discharge channel 12, and the lower end of the discharge plate can extend out of the notch 170, so that the discharge mesh plate 14 can adapt to the inclination state to realize adjustment.

[0036] A limiting assembly 17 is installed in the notch 170, and the limiting assembly 17 is rotationally connected in the notch 170 and can guide the sliding of the lower end of the discharge mesh plate 14, so that the limiting assembly 17 can keep the stability of the discharge mesh plate 14 during the angle adjustment of the discharge mesh plate 14.

[0037] Specifically, the limiting assembly 17 includes a limiting seat 171, and the side surface of the limiting seat 171 is rotationally connected to the notch 170 through a connecting shaft 21, so that the limiting seat 171 can adapt to the angle adjustment of the discharge mesh plate 14. A slide 22 is arranged on the limiting seat 171, the lower end of the discharge mesh plate 14 extends into the slide 22, and is slidingly supported by the limiting seat 171, can realize up and down sliding, so that the discharge mesh plate 14 can form sliding guide with the limiting seat 171.

[0038] During the inclination adjustment of the discharge mesh plate 14, the telescopic rod I 16 can adjust the position of the upper end of the discharge mesh plate 14 through sliding adjustment; while the lower position of the discharge mesh plate 14 is limited by the position of the notch 170 and is supported and guided by the limiting assembly 17, the transverse position difference of the upper and lower ends of the discharge mesh plate 14 is formed, so that the discharge mesh plate 14 forms an inclined state. By adjusting the telescopic rod I 16, the inclination angle of the discharge mesh plate 14 can be adjusted to adapt to the requirements of the mud discharge process.

[0039] Further, the outer side of the limiting seat 171 is formed with an arc-shaped protrusion 23, which protrudes outward to form an arc shape. The center position of the outer circumferential surface of the arc-shaped protrusion 23 is concentrically arranged with the shaft center of the connecting shaft 21. The inner side of the notch 170 is formed with an arc-shaped groove 24, which is matched with the arc-shaped protrusion 23, thereby realizing the rotation guidance of the limiting seat 171, and maintaining the adjustment stability of the limiting seat 171. In addition, through the mutual matching between the limiting seat 171 and the notch 170, the notch 170 can be blocked, so as to avoid that the opening of the notch 170 is too large.

[0040] After the extrusion dewatering of the mud soil, the mud soil needs to be output from the discharge port 9. The blocky mud soil is pushed by the side pressure rod 7 and the pressure plate, so that the mud soil can move towards the discharge mesh plate 14, and the discharge mesh plate 14 can cut the blocky mud soil. Since the discharge mesh plate 14 is originally in a vertical state, the discharge mesh plate 14 has a large contact area with the surface of the mud soil, so that the mud soil has a large resistance when passing through the discharge mesh plate 14.

[0041] By adjusting the angle of the discharge mesh plate 14, the discharge mesh plate 14 forms an inclined state. The blocky mud soil close to a cuboid is in contact with the inclined discharge mesh plate 14 during movement towards the discharge mesh plate 14, so that the vertical surface of the mud soil and the inclined discharge mesh plate 14 can have a more easily cut state, and the initial contact area is larger, so that the mud soil is more easily cut. Then, the angle of the discharge mesh plate 14 can be adjusted, so that the discharge mesh plate 14 and the surface of the mud soil have a certain angle of inclination swing, so that the contact position between the two can swing adaptively, so that the mud soil can be adjusted relatively and actively, so that the blocky mud soil after extrusion dewatering can be cut, and the mud soil can be dewatered and recycled.

[0042] Further, a support frame 18 can be installed in the discharge channel 12. The support frame 18 has a grid structure and a large through cotton knot, and has a small pressing contact area with the discharge mesh plate 14, so as not to block the passing mud soil, but only to support the outer side of the discharge mesh plate 14.

[0043] Specifically, a plurality of telescopic rods 19 are arranged on the side of the support frame 18 away from the discharge mesh plate 14, and the fixed end of the telescopic rod 19 is installed in the discharge channel 12. The movable end of the telescopic rod 19 is rotatably connected with the support frame 18 through a rotating seat 20, so that the movable end of the telescopic rod 19 can form a rotatable structure with the support frame 18.

[0044] In the adjusting process, by adjusting the telescopic rod two 19, a certain telescopic difference is formed between the upper telescopic rod two 19 and the lower telescopic rod two 19, so that the support frame 18 can be formed in an inclined state, and the inclination angle of the support frame 18 can be adjusted. The inclination angle of the support frame 18 can be adjusted to a state that the inclination angle of the discharge mesh plate 14 is adapted to each other, so that the whole of the support frame 18 can be in contact with the outer side of the discharge mesh plate 14 to form a supporting state. The discharge mesh plate 14 can be supported by the support frame 18 to resist the extrusion stress from the mud soil, so as to maintain the stability of the whole of the discharge mesh plate 14, and the adjusted angle can adapt to the division of the mud soil.

[0045] The embodiment also discloses a mud soil centralized recycling method, which adopts the mud soil centralized recycling device in the above embodiment to process, injects the mud soil to be processed into the processing box 1, realizes gathering in the inside of the processing box 1, extrudes and dehydrates, a large amount of water in the mud soil is extruded out, and the mud soil with low water content is obtained, pushes the mud soil, divides the blocky mud soil into small pieces through the discharge mesh plate 14, and then the mud soil can be reused.

[0046] The embodiment also discloses another mud soil centralized recycling device, which is based on the above embodiment and further refers to the details shown in Figure 3 、 Figure 4 .

[0047] The limiting assembly 17 also includes a limiting plate 172, which is matched with the limiting seat 171 and can more stably support and guide the lower end of the discharge mesh plate 14 to improve the stability of the whole of the discharge mesh plate 14. A slot for installing the limiting plate 172 is formed in the middle of the limiting seat 171, and the limiting plate 172 is installed in the slot.

[0048] The limiting plate 172 is rotationally connected to the limiting seat 171 through a limiting shaft 173, and a sliding channel 22 is formed between the limiting plate 172 and the limiting seat 171. The sliding channel 22 is a sliding channel 22 that is limited and matched with the discharge mesh plate 14. Due to the rotational connection between the limiting plate 172 and the limiting seat 171, the width of the sliding channel 22 can be adjusted slightly. When the limiting plate 172 is parallel to the limiting seat 171, the two side walls of the sliding channel 22 are in a parallel state, and the width is greater than the thickness of the discharge mesh plate 14, so that the discharge mesh plate 14 can be smoothly adjusted in the sliding channel 22. By rotating and swinging the limiting block, the limiting block can swing towards the limiting seat 171, thereby reducing the width of the sliding channel 22. The limiting seat 171 and the limiting block will press the discharge mesh plate 14, thereby making the discharge mesh plate 14 in a pressed and limited state, thereby improving the stability of the discharge mesh plate 14. During the process of the discharge mesh plate 14 dividing the mud soil, it can be more stable, which is beneficial to the treatment of the mud soil.

[0049] The limiting shaft 173 on the limiting block is located below the connecting shaft 21 and also below the limiting plate 172; the upper part of the limiting plate 172 extends into the discharge channel 12, and the upper end of the limiting plate 172 has a certain extension length, and the discharge mesh plate 14 is clamped and limited by adjusting the angle of the upper end of the limiting plate 172.

[0050] Specifically, the supporting frame 18 is fixedly connected with a pressing block 181 on the lower side, and the pressing block 181 plays a role of pressing and limiting the limiting plate 172. The position of the pressing block 181 corresponds to the position of the upper right side of the limiting block, and when the supporting frame 18 moves to the left side and supports the discharge mesh plate 14, the pressing block 181 can be in contact with the upper part of the limiting plate 172, and the upper end of the limiting plate 172 is pressed by the pressing block 181 and is pressed towards the limiting seat 171, thereby forming a pressing force on the discharge mesh plate 14 through the limiting block and the limiting seat 171, and clamping and limiting the lower side of the discharge mesh plate 14.

[0051] The above is only the preferred embodiment of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solution that belongs to the idea of the present application is within the protection scope of the present application. It should be noted that some improvements and decorations made by ordinary skilled in the art without departing from the principles of the present application are also considered as the protection scope of the present application.

Claims

1. A mud soil concentrated recycling device, characterized in that, The utility model provides a mud soil processing device, including processing box (1), the upper portion of processing box (1) is equipped with upper passage (2), is equipped with upper pressure plate (4) in upper passage (2), the side of processing box (1) is equipped with side passage (3), is equipped with side pressure plate (6) in side passage (3);The bottom of processing box (1) is provided with filter plate (11), and the side of processing box (1) is provided with discharge gate (9) on the side opposite to side passage (3), and the discharge gate (9) is provided with gate (10); The outside of discharge gate (9) is provided with discharge net plate (14), and the discharge net plate (14) is used for cutting mud soil, and the discharge net plate (14) is used for cutting mud soil; The angle of discharge net plate (14) can be inclined adjustment; The outside of discharge gate (9) is provided with discharge passage (12), and the discharge net plate (14) is arranged in the discharge passage (12), and the lower side of the discharge passage (12) is provided with a discharge port (13); The bottom of the discharge passage (12) is provided with a gap (170), and the lower end of the discharge net plate (14) extends from the gap (170) and is provided with a limiting assembly (17) in the gap (170), the limiting assembly (17) is rotatably connected in the gap (170), and is used for sliding guiding the lower end of the discharge net plate (14). The limiting assembly (17) includes a limiting seat (171), the side of the limiting seat (171) is rotatably connected in the gap (170) through a connecting shaft (21), the limiting seat (171) is provided with a slide (22), the lower end of the discharge net plate (14) extends into the slide (22) and is slidingly supported by the limiting seat (171), and the upper and lower sliding can be realized.

2. The mud soil concentrated recycling device according to claim 1, characterized in that, The upper pressure plate (4) is driven by an upper pressing rod (5) for pushing the upper pressure plate (4) to push and extrude the mud soil, the side pressure plate (6) is driven by a side pressing rod (7) for driving the side pressure plate (6) to push and extrude the mud soil, and the upper side wall of the side passage (3) is provided with a feeding port (8) located on the side of the side passage (3) connected with the processing box (1).

3. The mud soil concentrated recycling device according to claim 1, characterized in that, The discharge passage (12) is provided with a grid-shaped support frame (18), the side of the support frame (18) away from the discharge net plate (14) is provided with a plurality of telescopic rods (19), the fixed end of the telescopic rod (19) is mounted in the discharge passage (12), and the movable end of the telescopic rod (19) is rotatably connected with the support frame (18) through a rotating seat (20); by adjusting the telescopic rod (19), the inclination angle of the support frame (18) can be adjusted, and the inclination angle of the discharge net plate (14) is adapted to each other, and the discharge net plate (14) is supported.

4. The mud soil concentrated recycling device according to claim 1, characterized in that, The upper side of the discharge net plate (14) is provided with a sliding block (15), the sliding block (15) is slidingly connected to the upper side wall of the discharge passage (12) and is slidingly driven by a telescopic rod (16), and the upper side of the discharge net plate (14) is rotatably connected to the sliding block (15) through a rotating shaft.

5. The mud soil concentrated recycling device according to claim 1, characterized in that, The outer side of the limiting seat (171) is fixedly connected with an arc-shaped protrusion (23), the outer side of the arc-shaped protrusion (23) is arc-shaped, and the center of the arc-shaped protrusion (23) is located on the axis of the connecting shaft (21); one side of the gap (170) is provided with an arc-shaped slot (24) which is mutually adapted with the arc-shaped protrusion (23).

6. The mud soil concentrated recycling device according to claim 3, characterized in that, The limiting assembly (17) further comprises a limiting plate (172) which is rotatably connected to the limiting seat (171) through a limiting shaft (173), and the slide (22) is formed between the limiting plate (172) and the limiting seat (171); the slide (22) is slidably adapted with the lower end of the discharge mesh plate (14); the limiting shaft (173) is located on the lower side of the connecting shaft (21) and on the lower side of the limiting plate (172); the upper portion of the limiting plate (172) extends into the discharge channel (12).

7. The mud soil concentrated recycling device according to claim 6, characterized in that, The side of the discharge mesh plate (14) which is away from the treatment box (1) is supported by abutting against the supporting frame (18), the lower side of the supporting frame (18) is fixedly connected with a pressing block (181) which is used for abutting against the limiting plate (172); when the supporting frame (18) and the discharge mesh plate (14) are supported by abutting against each other, the pressing block (181) abuts against the upper portion of the limiting plate (172), the upper end of the limiting plate (172) is pressed in the direction of the limiting seat (171), and the lower side of the discharge mesh plate (14) is clamped and limited.

8. A method for concentrated recycling of slurry soil, characterized by, The mud soil is treated by using the mud soil centralized recycling device according to any one of claims 1-7.

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