Extensible modular sludge treatment device and method

Abstract

The invention is suitable for the technical field of sludge treatment, and provides an extensible modular sludge treatment device, which comprises a treatment cabin, an internal raw material cavity, a water filtering cavity and a dehumidification cavity. A sludge inlet is formed in the top, and a water outlet and a discharge hole are formed in the side surface. The feeding channel shell is obliquely arranged in the water filtering cavity and connected with the raw material cavity and the dehumidification cavity, and a water-permeable isolation plate is arranged at the bottom of the feeding channel shell. The first-section material pushing mandrel and the second-section material pushing mandrel are arranged in the shell, are respectively provided with a first material pushing screw and a second material pushing screw, are driven by the outside to rotate and oppositely push sludge, so that water is filtered out through the water permeable plate. And the extrusion cylinder is arranged at the upper part of the shell, is communicated with the inner cavity and discharges water-filtered sludge into the dehumidification cavity. The device has the advantages that the structural design is ingenious, the dehydration efficiency is high, and the applicability and the treatment capacity can be improved through modular expansion.

Description

Technical Field

[0001] The present invention belongs to the technical field of sludge treatment, and in particular relates to an expandable modular sludge treatment device and method. Background Art

[0002] With the acceleration of urbanization and the continuous development of industrial production, the amount of sewage treatment continues to increase, and the amount of sludge generated is also growing. Sludge contains a large amount of organic matter, pathogens, heavy metals and other components. If not effectively treated, it will cause serious pollution to the environment. Therefore, the reduction, stabilization and harmless treatment of sludge have become important issues that need to be urgently addressed in the field of environmental protection. Traditional sludge treatment methods mostly use natural drying, mechanical dehydration or thermal drying, but they generally have problems such as low dehydration efficiency, high energy consumption, poor equipment integration and weak adaptability, which makes it difficult to meet the current needs of efficient and environmentally friendly treatment.

[0003] Against this backdrop, the development of sludge treatment equipment with a rational structure, efficient operation, and good scalability has become an industry trend. Modular design concepts provide sludge treatment equipment with greater flexibility and adaptability, enabling functional expansion and optimized combination based on different treatment scales and process requirements, significantly improving overall treatment efficiency.

[0004] Therefore, in view of the above situation, there is an urgent need to develop a sludge treatment device with efficient dehydration performance and support for functional expansion, which is of great significance to promoting the advancement of sludge treatment technology. Summary of the Invention

[0005] The object of the present invention is to provide an expandable modular sludge treatment device and method, aiming to solve the problems mentioned in the above background technology.

[0006] The present invention is implemented as follows: an expandable modular sludge treatment device includes a treatment chamber, the inner side of which is divided into a raw material chamber, a water filtration chamber, and a dehumidification chamber from left to right. The top of the treatment chamber is provided with a sludge inlet connected to the raw material chamber, and the side of the treatment chamber is provided with a water outlet and a material outlet connected to the bottom of the water filtration chamber and the dehumidification chamber, respectively. The device also includes: The feeding channel shell is obliquely arranged in the water filter chamber, one end of which is connected to the bottom of the raw material chamber and the other end extends into the dehumidification chamber, with a water-permeable isolation plate at the bottom; The first-stage pushing core shaft and the second-stage pushing core shaft are arranged in the feeding channel housing and are rotatably connected at one end. They are respectively equipped with the first pushing screw and the second pushing screw. The other ends are rotatably connected to the side wall of the processing chamber and are driven to rotate by the external first drive assembly and the second drive assembly respectively. An extrusion barrel is provided on the upper portion of the feed channel housing, and an extrusion channel is formed on the inner side thereof and is communicated with the inner cavity of the feed channel housing; The first pushing screw and the second pushing screw push the sludge toward each other, so that water is filtered out through the permeable isolation plate, and the filtered sludge is discharged into the dehumidification chamber through the extrusion channel.

[0007] According to a further technical solution, the feed channel shell is a cylindrical barrel, the extrusion barrel is a semi-cylindrical barrel, the first-stage pushing core shaft and the second-stage pushing core shaft are coaxial with the feed channel shell and have the same length inside the feed channel shell.

[0008] A further technical solution is that the first drive assembly includes a first motor and a first positioning support, and the second drive assembly includes a second motor and a second positioning support. The first motor and the second motor are respectively fixed to the outer wall of the processing chamber through the first positioning support and the second positioning support, and drive the first-section pushing core shaft and the second-section pushing core shaft to rotate.

[0009] According to a further technical solution, a plurality of first breaking rods are fixed circumferentially on the first section of the pushing core shaft in the raw material cavity to break up the sludge in the raw material cavity.

[0010] Further technical solutions also include dehumidification components: The first temperature-regulated pneumatic pump is fixed outside the processing chamber, and its outlet is connected to the nozzle at one end of the extrusion channel and the sealing connection ring on the second-stage pushing core shaft through the fifth air pipe and the first air pipe respectively; A second breaking up rod is fixed on the circumference of the part of the second-stage pushing core shaft located in the dehumidification chamber, and a breaking up tube connected to the inner cavity of the second-stage pushing core shaft is fixed on the side of the second breaking up rod facing the feeding channel shell. The first air pipe is connected to the inner cavity of the second-stage pushing core shaft through a sealing connecting ring and interconnecting holes.

[0011] Further technical solutions also include auxiliary water filtration and material delivery components: The vacuum drainage pump is fixed in the air extraction cavity at the lower side of the raw material cavity, with its inlet extending into the middle of the water filter cavity through the fourth air pipe, and its outlet communicating with the upper part of the raw material cavity through the third air pipe.

[0012] A further technical solution also includes a disturbance drying component: The material guide plate is located at the lower part of the dehumidification chamber, is cone-shaped, and has a material discharge port at the lower end; The oscillating slide is slidably arranged on both sides of the bottom of the guide plate, and a first cavity is formed inside the slide. Both ends extend out of the side wall of the processing chamber and are sealed and slidably connected to the second cavity of the guide gas delivery seat. The guide gas delivery seat is connected to the second temperature-regulating pneumatic pump through the third cavity and the second air pipe. The third motor is fixed to the outer wall of the processing chamber through a third positioning support, and the output end drives the oscillating slide to move back and forth through the shifting plate and the shifting rod; The drying tube is arranged below the feeding port, with a blowing hole on the top and two ends slidingly connected to the oscillating slide plate through spherical joints. An elastic part for elastically supporting the drying tube is arranged in the first cavity.

[0013] According to a further technical solution, the drying tube and the oscillating slide are rollingly connected via a ball hinge housing and a spherical joint, and the elastic member is a spring.

[0014] Another object of the present invention is to provide a sludge treatment method using the expandable modular sludge treatment device, comprising the following steps: S1: Sludge enters the raw material chamber through the sludge inlet, flows into the water filter chamber through the inclined feeding channel shell, and is squeezed by the first and second pusher screws. The water is discharged from the water outlet through the permeable isolation plate, completing the initial dehydration; S2: After the initial dehydration, the sludge enters the extrusion channel of the extruder and is mechanically squeezed again. The residual water continues to be filtered out to form dehumidified sludge with low moisture content; S3: The dehumidified sludge enters the dehumidification chamber and is finally discharged through the discharge port, completing the treatment process.

[0015] The present invention provides an expandable modular sludge treatment device and method, which has the following beneficial effects: The tilted feed channel housing facilitates the free flow of sludge, and is assisted by the arrangement of the first push screw and the second push screw, and is driven by the first drive assembly and the second drive assembly respectively. When the first push screw and the second push screw rotate along with the first-section push core shaft and the second-section push core shaft respectively, the first push screw and the second push screw are used to push the sludge in opposite directions, so that the water in the sludge is filtered out through the permeable isolation plate, and the filtered sludge is discharged into the dehumidification chamber through the extrusion channel. The coordinated extrusion and transportation of the first push screw and the second push screw not only allows the water in the sludge to be quickly filtered out through the permeable isolation plate, but also the sludge is further squeezed into the extrusion channel of the extrusion barrel, achieving further dehydration and discharge. The design is ingenious and has a highly efficient dehydration effect on the sludge. In addition, the core components are installed on the feed channel housing, and the feed channel housing is installed in the water filter chamber of the treatment chamber, which is convenient for modular function expansion according to needs and has a wide range of applications.

[0016] In summary, the present invention has the advantages of clever structural design, high dehydration efficiency, and the ability to improve applicability and processing capacity through modular expansion. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the overall structure of an expandable modular sludge treatment device provided in an embodiment of the present invention; Figure 2 for Figure 1 Another perspective structural diagram; Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A; Figure 4 An axonometric diagram of an expandable modular sludge treatment device provided by an embodiment of the present invention; Figure 5 A schematic diagram of the overall structure of the feed channel housing portion of the expandable modular sludge treatment device provided in an embodiment of the present invention; Figure 6 for Figure 4 Schematic diagram of the enlarged structure of part B; Figure 7 for Figure 4 Schematic diagram of the enlarged structure of part C; Figure 8 A schematic diagram of a partial cross-sectional structure of a dehumidification chamber portion in an expandable modular sludge treatment device provided by an embodiment of the present invention, viewed from a top perspective; Figure 9 for Figure 8 A schematic diagram of the cross-sectional structure of the middle drying tube and its connecting parts; Figure 10 for Figure 9 Schematic diagram of the enlarged structure of part D.

[0018] In the figure: 1-first positioning support, 2-first motor, 3-sludge inlet, 4-processing chamber, 5-first temperature regulating pneumatic pump, 6-first air pipe, 7-second motor, 8-second positioning support, 9-discharge port, 10-second air pipe, 11-guide air supply seat, 12-second temperature regulating pneumatic pump, 13-shock-absorbing support foot, 14-water outlet, 15-third air pipe, 16-third positioning support, 17-third motor, 18-oscillation slide, 19-power transmission rod, 20-push rod, 21-push plate, 22-raw material chamber, 23-sealing net, 24-air extraction chamber, 25-water filtration chamber, 26-dehumidification chamber, 27- Vacuum drainage pump, 28-fourth air pipe, 29-first section pushing core shaft, 30-first breaking rod, 31-feeding channel shell, 32-first pushing screw, 33-fifth air pipe, 34-extrusion barrel, 35-second pushing screw, 36-water permeable isolation plate, 37-guide plate, 38-second section pushing core shaft, 39-jet head, 40-second breaking rod, 41-breaking pipe, 42-intercommunication holes, 43-sealing connecting ring, 44-feeding port, 45-drying pipe, 46-blowing hole, 47-first cavity, 48-second cavity, 49-third cavity, 50-elastic part, 51-ball hinge shell, 52-spherical joint. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0020] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0021] Example 1 like Figure 1-2 4-5 shows an expandable modular sludge treatment device provided by one embodiment of the present invention, including a treatment chamber 4, the bottom of which is equipped with shock-absorbing feet 13. The inner side of the treatment chamber 4 is provided with a raw material chamber 22, a water filtration chamber 25, and a dehumidification chamber 26 from left to right. The top of the treatment chamber 4 is provided with a sludge inlet 3 connected to the raw material chamber 22, and the side of the treatment chamber 4 is provided with a water outlet 14 and a material outlet 9 connected to the bottom of the water filtration chamber 25 and the dehumidification chamber 26, respectively. The bottom of the water filtration chamber 25 and the dehumidification chamber 26 can be arranged into a cone shape as needed to facilitate the discharge of water and sludge. It also includes: A feed channel housing 31 is provided inside the water filter chamber 25. The feed channel housing 31 is tilted downward at one end near the dehumidification chamber 26. One end of the feed channel housing 31 is connected to the bottom of the raw material chamber 22, and the other end of the feed channel housing 31 extends into the dehumidification chamber 26. A water-permeable isolation plate 36 is provided at the bottom of the feed channel housing 31 located in the water filter chamber 25. A first-stage pushing core shaft 29 and a second-stage pushing core shaft 38 are provided on the inner side of the feeding channel housing 31. The first-stage pushing core shaft 29 and the second-stage pushing core shaft 38 are rotatably connected at one end thereof. The first-stage pushing core shaft 29 and the second-stage pushing core shaft 38 are respectively fixed with a first pushing screw 32 and a second pushing screw 35 which cooperate with the feeding channel housing 31. The ends of the first-stage pushing core shaft 29 and the second-stage pushing core shaft 38 which are away from each other are also rotatably connected to the side wall of the processing chamber 4. The outer side of the processing chamber 4 is also respectively provided with a first driving assembly and a second driving assembly for driving the first-stage pushing core shaft 29 and the second-stage pushing core shaft 38 to rotate. An extrusion cylinder 34 is provided on the upper part of the feeding channel shell 31 corresponding to the second pushing screw 35, and the inner side of the extrusion cylinder 34 is an extrusion channel that is connected to the inner cavity of the feeding channel shell 31; when the first pushing screw 32 and the second pushing screw 35 rotate along with the first-section pushing core shaft 29 and the second-section pushing core shaft 38 respectively, the first pushing screw 32 and the second pushing screw 35 are used to push the sludge in opposite directions, so that the moisture in the sludge is filtered out through the water-permeable isolation plate 36, and the filtered sludge is discharged into the dehumidification chamber 26 through the extrusion channel.

[0022] In an embodiment of the present invention, the inclined feeding channel shell 31 is conducive to the free flow of sludge, and is assisted by the arrangement of the first pushing screw 32 and the second pushing screw 35, and is driven respectively by the first drive assembly and the second drive assembly (differential action can be performed as needed to improve reliability). When the first pushing screw 32 and the second pushing screw 35 rotate along with the first-section pushing core shaft 29 and the second-section pushing core shaft 38 respectively, the first pushing screw 32 and the second pushing screw 35 are used to push the sludge in opposite directions, so that the moisture in the sludge is filtered out through the permeable isolation plate 36, and the filtered sludge is discharged into the dehumidification chamber 26 through the extrusion channel. The coordinated extrusion and transportation of the first pushing screw 32 and the second pushing screw 35 not only allows the water in the sludge to be quickly filtered out through the permeable isolation plate 36, but also the sludge is further squeezed into the extrusion channel of the extrusion barrel 34, achieving further dehydration and discharge. The design is ingenious and has a highly efficient dehydration effect on the sludge. In addition, the core components are installed on the feed channel shell 31, and the feed channel shell 31 is installed in the water filter cavity 25 of the processing chamber 4, which is convenient for modular function expansion according to needs and has a wide range of applications.

[0023] In summary, the present invention has the advantages of clever structural design, high dehydration efficiency, and the ability to improve applicability and processing capacity through modular expansion.

[0024] like Figure 1-2 As shown in Figures 4-5, as a preferred embodiment of the present invention, the feed channel housing 31 adopts a cylindrical structure, the permeable isolation plate 36 is arranged in conjunction with the feed channel housing 31, and the extrusion cylinder 34 adopts a semi-cylindrical structure, thereby ensuring reliable sludge transportation and extrusion. The permeable isolation plate 36 is made of 316L stainless steel with a pore size of 0.1-0.5mm, ensuring both water permeability and mechanical strength.

[0025] The first-stage pushing core shaft 29 and the second-stage pushing core shaft 38 are coaxially arranged with the feeding channel shell 31, and the first-stage pushing core shaft 29 and the second-stage pushing core shaft 38 are the same length inside the feeding channel shell 31, so that the length of the first pushing screw 32 and the second pushing screw 35 are the same, so that the opposite extrusion is reliable.

[0026] The first drive assembly includes a first motor 2 located outside the processing chamber 4 and drivingly connected to the first-stage pusher shaft 29. The first motor 2 is also fixedly connected to the outer wall of the processing chamber 4 via a first positioning support 1. The second drive assembly includes a second motor 7 located outside the processing chamber 4 and drivingly connected to the second-stage pusher shaft 38. The second motor 7 is also fixedly connected to the outer wall of the processing chamber 4 via a second positioning support 8. Furthermore, the first and second motors 2 and 7 are equipped with corresponding frequency converters (not shown) to achieve more reliable control and prevent sludge clogging.

[0027] Preferably, the bottom of the raw material chamber 22 is designed to be an arc-shaped structure that is connected to the feeding channel shell 31; a number of first breaking rods 30 are also circumferentially distributed and fixed on the first-section pushing core shaft 29 in the raw material chamber 22. The first breaking rods 30 rotate with the first-section pushing core shaft 29 to break up the sludge in the raw material chamber 22, which is conducive to the reliable flow of the sludge into the feeding channel shell 31.

[0028] like Figure 1 、 4 -7, as a preferred embodiment of the present invention, the expandable modular sludge treatment device, the first expansion mode is: it also includes a dehumidification component, the dehumidification component includes a first temperature-regulating pneumatic pump 5 fixed to the outside of the treatment chamber 4, the outlet of the first temperature-regulating pneumatic pump 5 is respectively connected to the fifth air pipe 33 and the first air pipe 6, the fifth air pipe 33 and the first air pipe 6 can be arranged with electric control valves (not shown) as needed to facilitate control, the other end of the fifth air pipe 33 is connected to the nozzle head 39 installed at the end of the extrusion channel away from the dehumidification chamber 26, the other end of the first air pipe 6 is connected to the sealing connection ring 43 rotatably installed on the second-stage pushing core shaft 38, the two inside the dehumidification chamber 26 A plurality of second breaking-up rods 40 are fixed to the circumferential distribution on the first-stage pushing core shaft 38, and a plurality of breaking-up pipes 41 are fixed to the side of the second breaking-up rod 40 facing the feeding channel shell 31. A one-way valve (not shown) can be arranged on the breaking-up pipe 41 to prevent sludge from entering and improve reliability; the breaking-up pipe 41 is connected to the inner cavity of the second-stage pushing core shaft 38 through the second breaking-up rod 40 (a connecting cavity can be preset on the inner side of the second-stage pushing core shaft 38), and the corresponding sealing connecting ring 43 on the second-stage pushing core shaft 38 is also provided with an intercommunication hole 42, and the first air pipe 6 is connected to the inner cavity of the second-stage pushing core shaft 38 through the inner cavity of the sealing connecting ring 43 and the intercommunication hole 42, so that the gas transported by the first air pipe 6 can be discharged through the breaking-up pipe 41.

[0029] The dehumidification assembly requires only adaptive modification of the second-stage pusher mandrel 38 and the creation of corresponding pipe holes in the processing chamber 4, providing a convenient and quick operation. This arrangement of the dehumidification assembly allows warm air to be delivered to the extrusion channel via the air jet 39, assisting in drying the sludge and pushing it out into the dehumidification chamber 26. The second de-sludge bar 40 rotates with the second-stage pusher mandrel 38, not only de-sludgeing the sludge but also allowing warm air delivered to the de-sludge pipe 41 via the first air pipe 6 to directly act on the sludge, effectively dehumidifying it. It is understood that, if desired, an exhaust device (not shown) can be positioned at the top of the processing chamber 4, corresponding to the dehumidification chamber 26, with an accompanying exhaust filter to facilitate the discharge of excess air. This is not intended to be limited or elaborated upon.

[0030] like Figure 2 and 4As shown, as a preferred embodiment of the present invention, the expandable modular sludge treatment device, the second expansion mode is: it also includes an auxiliary water filtration and material delivery component, the auxiliary water filtration and material delivery component includes a vacuum drainage pump 27, the vacuum drainage pump 27 is fixed in the air extraction chamber 24 opened on the lower side of the raw material chamber 22, and a sealing net 23 can be arranged on the side wall of the treatment chamber 4 corresponding to the air extraction chamber 24 as needed to facilitate ventilation and maintenance, the inlet of the vacuum drainage pump 27 is installed with a fourth air pipe 28, the end of the fourth air pipe 28 away from the vacuum drainage pump 27 extends into the middle of the water filtration chamber 25 and opens downward, the outlet of the vacuum drainage pump 27 is installed with a third air pipe 15, and the other end of the third air pipe 15 is connected to the upper part of the raw material chamber 22.

[0031] For the arrangement of the auxiliary water filtration and material delivery components, it is only necessary to open corresponding pipe holes on the processing chamber 4, which is convenient and quick; through the arrangement of the auxiliary water filtration and material delivery components, when the vacuum drainage pump 27 is working, the water filtration chamber 25 can be sucked and the gas can be discharged into the raw material chamber 22, which can accelerate the filtration of water through the permeable isolation plate 36 and the entry of sludge into the feeding channel shell 31.

[0032] like Figure 1-4, 8-10, as a preferred embodiment of the present invention, the expandable modular sludge treatment device, the third expansion mode is: it also includes a disturbance drying component, the disturbance drying component includes a guide plate 37 fixed to the lower inner side of the dehumidification chamber 26, the guide plate 37 is conical, the lower end of the guide plate 37 is provided with a discharge port 44, the bottom of the guide plate 37 is respectively provided with an oscillation slide 18 on both sides of the slide, the inner side of the oscillation slide 18 is provided with a first cavity 47, the two ends of the oscillation slide 18 are extended from the side of the treatment chamber 4 The wall slides out, and a guide air delivery seat 11 is fixed on one side wall of the processing chamber 4. A second cavity 48 is provided on the inner side of the guide air delivery seat 11, which is sealed and slidably connected to the oscillation slide 18. A third cavity 49 is provided on the outer end of the guide air delivery seat 11, which is connected to the second cavity 48. The third cavity 49 is connected to the first cavity 47 through the second cavity 48. A second temperature regulating pneumatic pump 12 is fixed on the outer wall of the processing chamber 4. The outlet of the second temperature regulating pneumatic pump 12 is connected to the third cavity 4 through the second air pipe 10. 9 is connected; a third motor 17 is fixed to the other side wall of the processing chamber 4 through a third positioning support 16, a dial plate 21 is fixed to the output end of the third motor 17, and a dial rod 20 is slidably provided on both sides of the dial plate 21. A power transmission rod 19 is fixed to the lower side of the end of the dial rod 20 away from the dial plate 21, and the two power transmission rods 19 are respectively connected to the two oscillation slides 18 for rotation; a plurality of drying tubes 45 are evenly distributed and installed between the two oscillation slides 18 below the discharge port 44, and the top of the drying tube 45 is opened. There is an air blowing hole 46, and a one-way valve (not shown) can be arranged on the air blowing hole 46 to prevent sludge from entering and improve reliability. The two ends of the drying pipe 45 extend into the first cavity 47, and the drying pipe 45 is sealed and slidably connected to the spherical joint 52 installed on the oscillation slide 18. A ball hinge shell 51 that is rollingly connected to the spherical joint 52 is also fixed on the side wall where the two oscillation slides 18 are close to each other. An elastic member 50 for elastically supporting the drying pipe 45 is also provided in the first cavity 47, and the elastic member 50 is made of a spring or the like.

[0033] For the setting of the disturbance drying component, it is only necessary to install the guide plate 37 in the dehumidification chamber 26 and open a hole on the side wall of the processing chamber 4 for the oscillation slide 18 to extend, which is convenient and quick; through the setting of the disturbance drying component, the third motor 17 can drive the dial plate 21 to rotate back and forth by a certain angle, so that the two oscillation slides 18 move back and forth alternately, and the dial rod 20 can adapt to the swinging; the second temperature-regulating pneumatic pump 12 can reliably deliver hot air to the third cavity 49 through the guide air delivery seat 11, and then deliver it to the drying pipe 45 through the first cavity 47. The limited elastic part 50, ball hinge shell 51 and spherical joint 52 can adapt to the drying pipe 45 as the inclination changes of the oscillation slide 18, and ensure the smooth delivery of air. The sludge falls through the discharge port 44 and can be directly acted on by the hot air discharged from the blowing hole 46. Then the air is purified and discharged through the exhaust device at the top of the processing chamber 4, thereby achieving efficient drying of the sludge. It should be noted that the elastic member 50 can support the drying tube 45 and maintain the stability of its position; the setting of the ball hinge shell 51 and the spherical joint 52, and the sliding connection between the spherical joint 52 and the drying tube 45 can adapt to the movement of the oscillation slide 18 to change the tilt, and the structure is ingenious and reasonable, stable and reliable.

[0034] Example 2 like Figure 1-10 As shown, one embodiment of the present invention further provides a sludge treatment method using an expandable modular sludge treatment device, comprising the following steps: S1: The sludge to be treated enters the raw material chamber 22 through the sludge inlet 3 set at the top of the treatment chamber 4. The sludge flows naturally by gravity into the feed channel housing 31 located in the water filter chamber 25. The feed channel housing 31 is arranged at an angle to facilitate the free sliding of the sludge along its inner wall.

[0035] Inside the feeding channel housing 31, the first pushing screw 32 on the first-section pushing core shaft 29 and the second pushing screw 35 on the second-section pushing core shaft 38 are driven to rotate by the external first drive assembly and the second drive assembly respectively, and push the sludge towards each other, so that the sludge is squeezed in the channel.

[0036] During this process, the water in the sludge is quickly filtered out through the permeable isolation plate 36 provided below and discharged through the water outlet 14 at the bottom of the water filter chamber 25, thereby achieving preliminary dehydration.

[0037] S2: As the first push screw 32 and the second push screw 35 continue to push toward each other, the preliminarily dehydrated sludge is further transported to the extrusion channel of the extrusion barrel 34. The extrusion barrel 34 is arranged in conjunction with the upper part of the feeding channel housing 31 to form a compression space.

[0038] Due to the action of the spiral propulsion, the sludge is mechanically squeezed again in the extrusion channel, so that the residual water therein is further precipitated and discharged through the permeable isolation plate 36, thereby completing the secondary high-efficiency dehydration process and obtaining dehumidified sludge with lower moisture content.

[0039] S3: After dehydration, the sludge is pushed into the dehumidification chamber 26 through the extrusion channel, and finally discharged from the discharge port 9 provided at the bottom of the dehumidification chamber 26, completing the entire dehydration process.

[0040] The bottom of the dehumidification chamber 26 is designed to have a conical structure, which facilitates the centralized discharge of sludge and avoids residue.

[0041] The above embodiment of the present invention provides an expandable modular sludge treatment device and method, by arranging a raw material chamber 22, a water filtration chamber 25 and a dehumidification chamber 26 that are connected in sequence in the treatment chamber 4, and arranging a feeding channel shell 31 with a permeable isolation plate 36 at an angle in the water filtration chamber 25, and cooperating with the double helix structure on the first-stage pushing core shaft 29 and the second-stage pushing core shaft 38 to push the sludge in opposite directions, so that the sludge is dehydrated step by step under the dual action of gravity and mechanical extrusion; after the first stage of dehydration in the feeding channel, the sludge enters the extrusion cylinder 34 for further pressure dehydration, and finally enters the dehumidification chamber 26 for discharge; at the same time, the device adopts a modular design, and can expand the dehumidification component, auxiliary water filtration and feeding component or disturbance drying component as needed to enhance the dehydration efficiency and applicability, and realize an efficient, continuous and expandable sludge treatment process.

[0042] The control, model, and circuit connection of each component are not specifically limited and can be flexibly configured in actual applications. The circuits, electronic components, and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by this invention does not involve improvements to the software and methods.

[0043] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0044] The above-described embodiments merely illustrate several implementations of the present invention, and while their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. An expandable modular sludge treatment device, comprising a treatment chamber (4), wherein the inner side of the treatment chamber (4) is divided into a raw material chamber (22), a water filtration chamber (25), and a dehumidification chamber (26) from left to right; The top of the processing chamber (4) is provided with a sludge inlet (3) communicating with the raw material chamber (22), and the side of the processing chamber (4) is provided with a water outlet (14) and a material outlet (9) communicating with the bottom of the water filtration chamber (25) and the dehumidification chamber (26), respectively. It is characterized in that: Also includes: The feed channel housing (31) is obliquely arranged in the water filter chamber (25), one end of which is connected to the bottom of the raw material chamber (22) and the other end of which extends into the dehumidification chamber (26), and a water-permeable isolation plate (36) is provided at the bottom; The first-stage pushing core shaft (29) and the second-stage pushing core shaft (38) are arranged in the feeding channel housing (31) and are rotatably connected at one end, and are respectively equipped with a first pushing screw (32) and a second pushing screw (35), and the other ends are rotatably connected to the side wall of the processing chamber (4), and are driven to rotate by the external first drive assembly and the second drive assembly respectively; An extrusion barrel (34) is provided on the upper portion of the feeding channel housing (31), and has an extrusion channel formed on the inner side thereof, the extrusion channel being in communication with the inner cavity of the feeding channel housing (31); The first pushing screw (32) and the second pushing screw (35) push the sludge towards each other, so that water is filtered out through the permeable isolation plate (36), and the filtered sludge is discharged into the dehumidification chamber (26) through the extrusion channel.

2. The expandable modular sludge treatment device according to claim 1, characterized in that: The feeding channel housing (31) is a cylindrical barrel, and the extrusion barrel (34) is a semi-cylindrical barrel; The first-stage pushing core shaft (29) and the second-stage pushing core shaft (38) are coaxial with the feeding channel housing (31) and have the same length within the feeding channel housing (31).

3. The expandable modular sludge treatment device according to claim 1, characterized in that: The first drive assembly comprises a first motor (2) and a first positioning support (1), and the second drive assembly comprises a second motor (7) and a second positioning support (8); The first motor (2) and the second motor (7) are fixed to the outer wall of the processing chamber (4) via a first positioning support (1) and a second positioning support (8), respectively, and drive the first-stage pushing core shaft (29) and the second-stage pushing core shaft (38) to rotate.

4. The expandable modular sludge treatment device according to claim 1, characterized in that: A plurality of first breaking rods (30) are fixed circumferentially on the first section of the pushing core shaft (29) in the raw material chamber (22) for breaking up the sludge in the raw material chamber (22).

5. The expandable modular sludge treatment device according to any one of claims 1 to 4, characterized in that: Also includes dehumidification components: The first temperature regulating pneumatic pump (5) is fixed to the outside of the processing chamber (4), and the outlet is connected to the nozzle (39) at one end of the extrusion channel and the sealing connection ring (43) on the second-stage pushing core shaft (38) through the fifth air pipe (33) and the first air pipe (6). A second breaking rod (40) is fixed to the circumference of the portion of the second-stage pushing core shaft (38) located in the dehumidification chamber (26); a breaking tube (41) communicating with the inner cavity of the second-stage pushing core shaft (38) is fixed to the side of the second breaking rod (40) facing the feeding channel housing (31); The first air pipe (6) is connected to the inner cavity of the second-stage pushing core shaft (38) through a sealing connection ring (43) and an intercommunication hole (42).

6. The expandable modular sludge treatment device according to claim 5, characterized in that: Also includes auxiliary water filtration and delivery components: The vacuum drainage pump (27) is fixed in the air extraction chamber (24) on the lower side of the raw material chamber (22), the inlet of which extends into the middle of the water filter chamber (25) through the fourth air pipe (28), and the outlet of which is connected to the upper part of the raw material chamber (22) through the third air pipe (15).

7. The expandable modular sludge treatment device according to claim 5, characterized in that: Also includes disturbance drying components: The guide plate (37) is provided at the lower inner portion of the dehumidification chamber (26), is tapered, and has a discharge port (44) at its lower end; An oscillating slide plate (18) is slidably disposed on both sides of the bottom of the guide plate (37), with a first cavity (47) formed inside. Both ends extend out of the side wall of the processing chamber (4) and are sealed and slidably connected to the second cavity (48) of the guide gas delivery seat (11). The guide gas delivery seat (11) is connected to the second temperature regulating pneumatic pump (12) through the third cavity (49) and the second air pipe (10); The third motor (17) is fixed to the outer wall of the processing chamber (4) through a third positioning support (16), and the output end drives the oscillation slide (18) to move back and forth through the shift plate (21) and the shift rod (20); The drying tube (45) is arranged below the discharge port (44), has a blowing hole (46) on the top, and is slidably connected to the oscillating slide plate (18) at both ends via spherical joints (52). An elastic member (50) for elastically supporting the drying tube (45) is provided in the first cavity (47).

8. The expandable modular sludge treatment device according to claim 7, characterized in that: The drying tube (45) and the oscillating slide plate (18) are rollingly connected via a ball joint housing (51) and a spherical joint (52), and the elastic member (50) is a spring.

9. A sludge treatment method using the expandable modular sludge treatment device according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1: The sludge enters the raw material chamber (22) through the sludge inlet (3), flows into the water filter chamber (25) through the inclined feed channel housing (31), is squeezed toward each other by the first push screw (32) and the second push screw (35), and the water is discharged from the water outlet (14) through the permeable isolation plate (36), completing the initial dehydration; S2: The sludge after preliminary dehydration enters the extrusion channel of the extrusion cylinder (34), is mechanically squeezed again, and the residual water continues to be filtered out to form dehumidified sludge with low moisture content; S3: The dehumidified sludge enters the dehumidification chamber (26) and is finally discharged through the discharge port (9), completing the treatment process.

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