High pressure belt type sludge deep dewatering machine

CN224930444UActive Publication Date: 2026-11-03YIXING HENGWEI ENVIRONMENT-PROTECTION EQUIP CO LTD
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Patent Information

Application Number
CN202522387424.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-11
Publication Date
2026-11-03
Estimated Expiration
2035-11-11

AI Technical Summary

Technical Problem

Existing high-pressure pressing equipment has a complex structure, high cost, and is difficult to maintain. It also has poor adaptability to sludge of different properties and the pressing force is uneven and unstable.

Method used

It adopts a combination structure of elastic pressing belt and adjustable guide roller, and realizes pressing force adjustment through mechanical adjustment components, eliminating hydraulic or electrical systems. The elastic pressing belt of polyurethane composite material provides uniform pressing, and the adjustment screw and guide components ensure precise adjustment.

Benefits of technology

It achieves uniform and stable pressing force, reduces equipment failure rate and maintenance costs, improves sludge dewatering efficiency and sludge cake forming quality, and extends equipment service life.

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Abstract

The utility model relates to the technical field of environmental protection machinery and equipment, especially relates to a high pressure belt type sludge depth dewatering machine, including frame, upper filter belt, lower filter belt, conveying filter belt, support frame, rigid press roll, elastic press belt, fixed guide roller, adjustable guide roller and pressure regulating mechanism. The utility model discloses a kind of high pressure belt type sludge depth dewatering machine material, after the preliminary filtration of upper filter belt and lower filter belt, enter between elastic press belt, through the pressure effect of rigid press roll, the moisture in material is further squeezed out and discharged through filter belt, simultaneously, by adjusting the pressure of adjustable guide roller, the pressing intensity can be changed, to meet different filtering needs.
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Description

Technical Field

[0001] This utility model relates to the field of environmental protection machinery and equipment technology, and in particular to a high-pressure belt sludge deep dewatering machine. Background Technology

[0002] Belt filter presses are key equipment for dewatering municipal and industrial sludge. Their working principle involves gravity dewatering and wedge pre-compression of the sludge, followed by deep dewatering in a high-pressure pressing zone held between upper and lower filter belts. The performance of the high-pressure pressing zone directly determines the moisture content of the final sludge cake.

[0003] In existing technologies, high-pressure pressing often employs a structure with multiple rollers arranged in an "S" shape. Its pressing force mainly relies on the tension of the filter belt itself, resulting in a limited adjustment range. Furthermore, the pressure is mostly instantaneous and linear, lacking uniformity and stability, and exhibiting poor adaptability to sludge with different properties (such as viscosity and initial moisture content). Although some equipment attempts to add high-pressure rollers, their pressure regulation largely relies on complex hydraulic or electrical systems, leading to problems such as complex structure, high cost, difficult maintenance, and susceptibility to failure. Utility Model Content

[0004] This utility model solves the problems in related technologies and proposes a high-pressure belt-type sludge deep dewatering machine. The clamping component facilitates the fixing of the end of the forming tube, the driving component drives the forming wheel to rotate, and the feeding unit feeds the forming tube, effectively ensuring the efficiency of bending the tube. In addition, the feeding unit achieves the purpose of automatic feeding of the bending tube through a compact mechanical structure, avoiding the use of electrical equipment and saving resources.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: a high-pressure belt sludge deep dewatering machine, comprising a frame, an upper filter belt disposed at one end of the frame, a lower filter belt disposed relative to the upper filter belt, a conveying filter belt disposed at the other end of the frame, a support frame disposed at one end of the frame relative to the upper and lower filter belts, a rigid pressing roller rotatably connected to the support frame, an elastic pressing belt whose inner surface is in close contact with the rigid pressing roller, a fixed guide roller disposed at one end of the elastic pressing belt, an adjustable guide roller disposed at the other end of the elastic pressing belt, and a pressure regulating mechanism for adjusting the pressure of the adjustable guide roller.

[0006] By adopting the above technical solution, the upper and lower filter belts are used to filter moisture from the material; the conveyor filter belt is set at the other end of the frame to convey the filtered material; the support frame is fixed on the frame to support the rigid pressing roller; the rigid pressing roller is rotatably connected to the support frame and can rotate freely on the support frame to apply pressure to the filter belt; the inner side of the elastic pressing belt is in close contact with the rigid pressing roller and can deform under the action of the rigid pressing roller to further improve the pressing effect on the material; fixed guide rollers and adjustable guide rollers are respectively set at both ends of the elastic pressing belt. The fixed guide roller is used to provide guidance, while the adjustable guide roller can adjust the pressure to adjust the pressing force as needed; the pressure adjustment mechanism is used to control the pressure of the adjustable guide roller, thereby adjusting the pressure throughout the pressing process. The working principle of this equipment is: after the material is initially filtered by the upper and lower filter belts, it enters between the elastic pressing belts. Under the pressure of the rigid pressing roller, the moisture in the material is further squeezed out and discharged through the filter belt. At the same time, the pressing force can be changed by adjusting the pressure of the adjustable guide roller to meet different filtration requirements.

[0007] As a preferred embodiment, the pressure regulating mechanism includes an adjusting frame connected to the adjustable guide roller, mounting grooves at both ends of the adjusting frame adapted to the adjustable guide roller, fixing holes in the mounting grooves, a support base plate that passes through the elastic pressing belt and is fixedly connected to the frame, an adjusting component on the support base plate for adjusting the horizontal position of the mounting frame, and a guiding component for guiding the mounting frame during the adjustment process.

[0008] By adopting the above technical solution, the adjusting frame connected to the adjustable guide roller is used to support and fix the horizontal position of the adjustable guide roller; the mounting groove and fixing hole provide a mounting base for the adjustable guide roller and ensure its stable installation; the elastic pressing belt, which runs through the supporting base plate and is fixedly connected to the frame, is responsible for applying pressure to achieve the pressing of the material; the adjusting component is used to adjust the horizontal position of the adjustable guide roller to ensure the accuracy of its working position; and the guiding component guides the mounting frame during the adjustment process to ensure the precision of its movement path. The working principle of the entire mechanism is as follows: by adjusting the position of the mounting frame through the adjusting component, the position of the adjustable guide roller is adjusted to ensure accurate contact between it and the elastic pressing belt, thereby applying appropriate pressure to the material through the elastic pressing belt to achieve the pressing effect.

[0009] As a preferred embodiment, a locking element is provided at the connection between the fixing hole and the mounting groove, and the locking element passes through the fixing hole and is connected to the adjustable guide roller.

[0010] By adopting the above technical solution, the locking component passes through the fixing hole and connects to the adjustable guide roller, thereby realizing the fixed connection between the adjustable guide roller and the mounting frame; the mounting groove provides an installation position for the adjustable guide roller, while the locking component ensures the stability of the adjustable guide roller in the mounting groove and prevents movement.

[0011] As a preferred embodiment, the adjustment assembly includes a first support base fixedly connected to one side of the support base plate, an adjustment sleeve disposed on the first support base, an adjustment screw connected to the adjustment sleeve via a threaded structure, and an adjustment handle disposed at one end of the adjustment screw. The other end of the adjustment screw is fixedly and rotatably connected to one end of the mounting frame. By rotating the adjustment handle, the adjustment screw can be rotated within the adjustment sleeve, thereby pushing or pulling the mounting frame to move horizontally on the support base plate, achieving precise adjustment of the position of the adjustable guide roller. By pushing the adjustable guide roller, the wrap angle and clamping force of the elastic pressing belt on the rigid pressing roller can be adjusted, facilitating the adjustment of the pressing force between the belt and roller contact surfaces of the elastic pressing belt and the rigid pressing roller according to the characteristics of the sludge.

[0012] As a preferred embodiment, the guide assembly includes a second support base fixedly connected to the other side of the support base plate, a sliding rod fixedly connected to the other side of the mounting bracket, a sliding hole on the second support base adapted to the sliding rod, and a support spring disposed on the outer periphery of the sliding rod. One end of the support spring is fixedly connected to the mounting bracket, and the other end of the support spring is fixedly connected to the second support base.

[0013] By adopting the above technical solution, during the horizontal movement of the mounting frame, the sliding rod slides in the sliding hole to provide guidance for the movement of the mounting frame and ensure the stability of the movement of the mounting frame. At the same time, the support spring provides a certain support and buffer for the mounting frame, avoiding large shaking of the mounting frame during the movement, which would affect the adjustment accuracy of the adjustable guide roller position.

[0014] As a preferred embodiment, the elastic pressing belt is an annular belt made of polyurethane composite material with a thickness of 15mm-30mm.

[0015] By adopting the above technical solution, the elastic pressing belt has a large contact area with the sludge, and the pressure distribution is uniform, avoiding the "sludge run-out" phenomenon that is easily squeezed out from the edges in traditional point contact pressing. The dewatering process is more stable, and the sludge cake formation is better. Moreover, the elastic pressing belt has a certain degree of elasticity and deformation capacity, which can adapt to the slight fluctuations in the thickness of the sludge layer, providing stable pressing force. At the same time, its elastic buffering effect reduces the hard impact and wear on the filter belt, extending the service life of the filter belt.

[0016] As a preferred embodiment, the adjusting screw is provided with scale lines on its outer periphery.

[0017] By adopting the above technical solution, the scale lines on the outer circumference of the adjusting screw can precisely control the rotation of the bidirectional lead screw, thereby accurately adjusting the position of the mounting bracket. The scale line design allows operators to intuitively and accurately read the adjustment amount of the adjusting screw.

[0018] Compared with the prior art, the beneficial effects of this utility model are: This utility model;

[0019] 1. The adjustment mechanism is composed of standard mechanical components such as adjusting screws and tension springs, eliminating the need for complex hydraulic or servo motor systems. The structure is robust and durable, with a low failure rate and easy maintenance, which greatly reduces the manufacturing and subsequent maintenance costs of the equipment.

[0020] 2. Intuitive and precise adjustment, convenient operation: The scale design on the adjusting screw makes the adjustment amount visible, allowing operators to accurately and repeatedly set the pressing force, avoiding the uncertainty of adjustment based on experience, and greatly improving the standardization and convenience of operation.

[0021] 3. The sliding rod and support spring in the guide assembly ensure the smooth movement of the adjusting frame, preventing swaying and guaranteeing the stability of the pressing force field. Combined with the surface contact and uniform pressing characteristics provided by the elastic pressing belt, it effectively prevents "mud runoff," resulting in well-formed mud cakes with low and stable moisture content.

[0022] 4. The cushioning effect of the elastic pressing belt reduces the rigid impact on the rigid pressing roller, while the mechanical adjustment mechanism avoids problems such as leakage and pressure shock that may exist in the hydraulic system, thus extending the service life of the core components as a whole. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of a high-pressure belt sludge deep dewatering machine according to this utility model;

[0024] Figure 2 This utility model relates to an overall structure of a high-pressure belt sludge deep dewatering machine. Figure 1 Another structural diagram from another perspective;

[0025] Figure 3 This is a structural schematic diagram of the adjustable guide roller and adjustment component assembly in a high-pressure belt sludge deep dewatering machine according to this utility model;

[0026] Figure 4 This is a schematic diagram of the adjustment component in a high-pressure belt sludge deep dewatering machine according to the present invention;

[0027] In the picture:

[0028] 100. Frame; 101. Support frame; 11. Upper filter belt; 12. Lower filter belt; 2. Conveyor filter belt; 31. Rigid press roller; 321. Fixed guide roller; 322. Adjustable guide roller; 4. Elastic press belt; 5. Adjusting frame; 51. Mounting groove; 511. Fixing hole; 61. First support seat; 611. Adjusting screw sleeve; 62. Adjusting screw; 621. Adjusting handle; 71. Second support seat; 711. Sliding hole; 72. Sliding rod; 73. Support spring; 8. Support base plate. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0030] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0031] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0032] In the description of this utility model, it should be understood that the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours of each component itself.

[0033] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0034] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.

[0035] like Figures 1 to 4As shown, a high-pressure belt sludge deep dewatering machine includes a frame 100, an upper filter belt 11 disposed at one end of the frame 100, a lower filter belt 12 disposed opposite to the upper filter belt 11, a conveying filter belt 2 disposed at the other end of the frame 100, a support frame 101 disposed at one end of the frame 100 opposite to the upper filter belt 11 and the lower filter belt, a rigid pressing roller 31 rotatably connected to the support frame 101, an elastic pressing belt 4 whose inner surface is in close contact with the rigid pressing roller 31, a fixed guide roller 321 disposed at one end of the elastic pressing belt 4, an adjustable guide roller 322 disposed at the other end of the elastic pressing belt 4, and a pressure adjusting mechanism for adjusting the pressure of the adjustable guide roller 322; the upper filter belt 11 and the lower filter belt 12 are used to filter moisture from the material; the conveying filter belt 2 is disposed at the frame 100. At the other end, it is used to convey the filtered material; the support frame 101 is fixed on the frame 100 and is used to support the rigid pressing roller 31; the rigid pressing roller 31 is rotatably connected to the support frame 101 and can rotate freely on the support frame 101 to apply pressure to the filter belt; the inner side of the elastic pressing belt 4 is in close contact with the rigid pressing roller 31 and can deform under the action of the rigid pressing roller 31 to further improve the pressing effect on the material; the fixed guide roller 321 and the adjustable guide roller 322 are respectively set at both ends of the elastic pressing belt 4. The fixed guide roller 321 is used to provide guidance, while the adjustable guide roller 322 can be pressure adjusted to adjust the pressing force as needed; the pressure adjustment mechanism is used to control the pressure of the adjustable guide roller 322, thereby adjusting the pressure throughout the pressing process. The working principle of the equipment is as follows: after the material is initially filtered by the upper filter belt 11 and the lower filter belt 12, it enters between the elastic pressing belts 4. Under the pressure of the rigid pressing rollers 31, the water in the material is further squeezed out and discharged through the filter belts. At the same time, the pressing force can be changed by adjusting the pressure of the adjustable guide rollers 322 to meet different filtration requirements.

[0036] Please refer to details. Figure 1 , Figure 2 , Figure 3 and Figure 4The pressure adjustment mechanism includes an adjustment frame 5 connected to the adjustable guide roller 322, mounting grooves 51 at both ends of the adjustment frame 5 adapted to the adjustable guide roller 322, fixing holes 511 in the mounting grooves 51 and 511, a support base plate 8 that runs through the elastic pressing belt 4 and is fixedly connected to the frame 100, an adjustment component on the support base plate 8 for adjusting the horizontal position of the mounting frame, and a guide component for guiding the mounting frame during the adjustment process. The adjustment frame 5 connected to the adjustable guide roller 322 supports and fixes the horizontal position of the adjustable guide roller 322. The mounting grooves 51 and fixing holes 511 provide a mounting base for the adjustable guide roller 322 and ensure its stable installation. The elastic pressing belt 4 that runs through the support base plate 8 and is fixedly connected to the frame 100 applies pressure to press the material. The adjustment component adjusts the horizontal position of the adjustable guide roller 322 to ensure the accuracy of its working position. The guide component guides the mounting frame during the adjustment process to ensure the accuracy of its movement path. The working principle of the entire mechanism is as follows: by adjusting the position of the mounting frame through the adjustment components, the position of the adjustable guide roller 322 is adjusted to ensure accurate contact between it and the elastic pressing belt 4, thereby applying appropriate pressure to the material through the elastic pressing belt 4 to achieve the pressing effect.

[0037] Please refer to details. Figure 3 and Figure 4 A locking element is provided at the connection between the fixing hole 511 and the mounting groove 51. The locking element passes through the fixing hole 511 and is connected to the adjustable guide roller 322. The locking element passes through the fixing hole 511 and is connected to the adjustable guide roller 322, thereby realizing the fixed connection between the adjustable guide roller 322 and the mounting frame. The mounting groove 51 provides an installation position for the adjustable guide roller 322, and the locking element ensures the stability of the adjustable guide roller 322 in the mounting groove 51 and prevents movement.

[0038] Please refer to details. Figure 2 , Figure 3 and Figure 4 The adjustment assembly includes a first support base 61 fixedly connected to one side of the support base plate 8, an adjustment sleeve 611 disposed on the first support base 61, an adjustment screw 62 connected to the adjustment sleeve 611 via a threaded structure, and an adjustment handle 621 disposed at one end of the adjustment screw 62. The other end of the adjustment screw 62 is fixedly and rotatably connected to one end of the mounting frame. By rotating the adjustment handle 621, the adjustment screw 62 can be rotated within the adjustment sleeve 611, thereby pushing or pulling the mounting frame to move horizontally on the support base plate 8, achieving precise adjustment of the position of the adjustable guide roller 322. By pushing the adjustable guide roller 322, the wrap angle and clamping force of the elastic pressing belt 4 to the rigid pressing roller 31 can be adjusted, facilitating the adjustment of the pressing force between the belt and roller pressing surfaces of the elastic pressing belt 4 and the rigid pressing roller 31 according to the characteristics of the sludge.

[0039] Please refer to details. Figure 3 and Figure 4 The guide assembly includes a second support base 71 fixedly connected to the other side of the support base plate 8, a sliding rod 72 fixedly connected to the other side of the mounting frame, a sliding hole 711 on the second support base 71 that is adapted to the sliding rod 72, and a support spring 73 disposed on the outer periphery of the sliding rod 72. One end of the support spring 73 is fixedly connected to the mounting frame, and the other end of the support spring 73 is fixedly connected to the second support base 71. During the adjustment of the horizontal movement of the mounting frame, the sliding rod 72 slides in the sliding hole 711 to provide guidance for the movement of the mounting frame and ensure the stability of the movement of the mounting frame. At the same time, the support spring 73 provides a certain degree of support and buffering for the mounting frame to avoid large shaking of the mounting frame during the movement, which would affect the adjustment accuracy of the position of the adjustable guide roller 322. When sludge dewatering is required, the adjusting handle 621 is rotated according to the sludge characteristics and dewatering requirements. The adjusting screw 62 rotates within the adjusting sleeve 611, pushing or pulling the mounting frame horizontally on the support base plate 8. This, in turn, moves the adjustable guide roller 322, adjusting the wrap angle and clamping force of the elastic pressing belt 4 on the rigid pressing roller 31. This changes the pressing force on the roller-pressing surface between the elastic pressing belt 4 and the rigid pressing roller 31, thus controlling the degree of sludge dewatering. The advantages of this structural design are that it allows for flexible adjustment of the pressing force according to different sludge properties, improving the efficiency and quality of sludge dewatering. Simultaneously, the mechanical adjustment structure is simple and reliable, reducing the probability of electrical failures and lowering equipment maintenance costs and ease of use. Furthermore, the entire adjustment process is convenient, allowing operators to quickly and accurately adjust the position of the adjustable guide roller 322, improving the equipment's operability and practicality.

[0040] Please refer to details. Figure 1 and Figure 2 The elastic pressing belt 4 is an annular belt made of polyurethane composite material, with a thickness of 15-30 mm and a Shore hardness of 80A-95A. The elastic pressing belt 4 has a large contact area with the sludge, resulting in uniform pressure distribution. This avoids the "sludge runaway" phenomenon that occurs in traditional point-contact pressing, where sludge is easily squeezed out from the edges. The dewatering process is more stable, and the sludge cake formation is better. Furthermore, the elastic pressing belt 4 has a certain degree of elasticity and deformation capacity, which can adapt to slight fluctuations in the sludge layer thickness, providing stable pressing force. At the same time, its elastic buffering effect reduces hard impacts and wear on the filter belt, extending its service life.

[0041] Please refer to details. Figure 3 and Figure 4 The adjusting screw 62 has scale lines on its outer circumference, which can precisely control the rotation of the bidirectional lead screw, thereby accurately adjusting the position of the mounting bracket. The scale lines allow operators to intuitively and accurately read the adjustment amount of the adjusting screw 62.

[0042] In this embodiment, the sludge is held and transported by the upper and lower filter belts to the high-pressure pressing zone composed of the rigid pressing roller 31 and the elastic pressing belt 4.

[0043] When the pressing force needs to be adjusted, the operator rotates the adjusting handle 621, causing the adjusting screw 62 to screw in or out of the adjusting screw sleeve 611 fixed on the first support seat 61. Since the end of the adjusting screw 62 is rotatably connected to the adjusting frame 5, its linear motion will push or pull the adjusting frame 5 to move horizontally along the support base plate 8. By observing the scale lines on the adjusting screw 62, the amount of movement can be precisely controlled.

[0044] During the movement of the adjusting frame 5, the sliding rod 72, which is fixed to it, slides synchronously within the sliding hole 711 of the second support seat 71, providing stable guidance. The support spring 73 is always in a compressed state, providing elastic support for the adjusting frame 5, eliminating gaps, and preventing swaying. The movement of the adjusting frame 5 directly drives the displacement of the adjustable guide roller 322 fixed to it, thereby changing the wrapping angle and pressing force of the elastic pressing belt 4 on the rigid pressing roller 31, ultimately achieving precise and linear adjustment of the pressing force at the belt-roller pressing surface. After adjustment, no additional locking is required; the self-locking characteristic of the threaded pair can maintain the fixed position.

[0045] The above are preferred embodiments of this utility model. Those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments described above. Any obvious improvements, substitutions or modifications made by those skilled in the art based on this utility model shall fall within the protection scope of this utility model.

Claims

1. A high-pressure belt sludge deep dewatering machine, comprising a frame (100), an upper filter belt, a lower filter belt, a conveyor filter belt (2), a support frame (101), a rigid pressing roller (31), an elastic pressing belt (4), a fixed guide roller (321), and an adjustable guide roller (322), wherein the support frame (101) is disposed at one end of the frame (100), the rigid pressing roller (31) is rotatably connected to the support frame (101), the inner side of the elastic pressing belt (4) is in close contact with the rigid pressing roller (31), and the fixed guide roller (321) and the adjustable guide roller (322) are respectively disposed at both ends of the elastic pressing belt (4), characterized in that: It also includes a pressure regulating mechanism for adjusting the position of the adjustable guide roller (322); The pressure regulating mechanism includes: An adjustment frame (5) is connected to an adjustable guide roller (322), and the two ends of the adjustment frame (5) are provided with mounting grooves (51) that are adapted to the adjustable guide roller (322). A support base plate (8) runs horizontally through the inside of the elastic pressing belt (4) and is fixedly connected to the frame (100); An adjustment assembly is provided on the support base plate (8) for driving the adjustment frame (5) to move horizontally; And a guide assembly set on the support base plate (8) for guiding the movement of the adjustment frame (5).

2. The high-pressure belt sludge deep dewatering machine according to claim 1, characterized in that: The adjustment assembly includes a first support base (61) fixedly connected to one side of the support base plate (8), an adjustment sleeve (611) fixedly disposed on the first support base (61), an adjustment screw (62) connected to the adjustment sleeve (611) by a threaded structure, and an adjustment handle (621) disposed at one end of the adjustment screw (62). The other end of the adjustment screw (62) is rotatably connected to one end of the adjustment frame (5).

3. The high-pressure belt sludge deep dewatering machine according to claim 2, characterized in that: The guide assembly includes a second support base (71) fixedly connected to the other side of the support base plate (8), a sliding rod (72) fixedly connected to the other side of the adjustment frame (5), a sliding hole (711) provided on the second support base (71) and adapted to the sliding rod (72), and a support spring (73) sleeved on the outer periphery of the sliding rod (72). The two ends of the support spring (73) abut against the adjustment frame (5) and the second support base (71) respectively.

4. The high-pressure belt sludge deep dewatering machine according to claim 3, characterized in that: The adjusting screw (62) has scale lines on its outer periphery.

5. A high-pressure belt sludge deep dewatering machine according to claim 4, characterized in that: The elastic pressing belt (4) is an annular belt made of polyurethane composite material with a thickness of 15mm-30mm.

6. A high-pressure belt sludge deep dewatering machine according to claim 5, characterized in that: The mounting groove (51) is provided with a fixing hole (511), and the fixing hole (511) fixes the adjustable guide roller (322) to the adjustment frame (5) by a locking member, which is a bolt or screw.

7. A high-pressure belt sludge deep dewatering machine according to claim 6, characterized in that: There are two guide components, which are symmetrically arranged on both sides of the adjustment frame (5).

8. A high-pressure belt sludge deep dewatering machine according to claim 7, characterized in that: The surface of the rigid press roller (31) is a smooth steel surface or a chrome-plated surface.