Sludge deep dehydration pretreatment microwave wall breaking treatment device

By using inclined expanding plates and multiple sets of baffles to divide the sludge stream in the sludge deep dewatering pretreatment device, combined with multiple sets of microwave generators and crushing rollers, the problem of poor microwave penetration was solved, and efficient cell wall breaking treatment of sludge was achieved.

CN224047240UActive Publication Date: 2026-03-27CENT PLAINS ENVIRONMENT PROTECTION CO LTD +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In existing sludge pretreatment cell-breaking devices, the high-frequency electromagnetic waves generated by the microwave generator have poor penetration, making it difficult for the sludge to fully contact the interior, resulting in low cell-breaking efficiency.

Method used

A microwave cell-wall breaking device for deep dewatering and pretreatment of sludge was designed. It uses an inclined gradually expanding plate and multiple sets of baffles to divide the sludge stream, combined with multiple microwave generators and crushing rollers, to ensure that the sludge is evenly distributed and undergoes multiple cell-wall breaking processes, thereby improving the cell-wall breaking efficiency.

Benefits of technology

By using uniform diversion and multiple cell-wall breaking processes, the cell-wall breaking efficiency and effectiveness of sludge are significantly improved, while reducing treatment time and costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sludge deep dehydration pretreatment microwave wall-breaking treatment device which comprises a wall-breaking treatment box, a feeding box is installed at the feeding end of the wall-breaking treatment box, an inclined diverging plate is installed on the inner bottom wall of the feeding box, and the discharging end of the feeding box extends to the feeding end of the wall-breaking treatment box through a flow guide box. The inner bottom wall of the wall breaking treatment box is arranged in an inclined mode, and a plurality of sets of first partition plates arranged at equal intervals are installed on the inner bottom wall of the wall breaking treatment box. The wall-breaking treatment device disclosed by the utility model has the beneficial effects that a feeding sludge mixture can be stably leveled by arranging the diverging plate with the inclined feeding box, and after the leveled sludge mixture enters the wall-breaking treatment box through the flow guide box, the leveled sludge mixture is divided by the plurality of groups of first partition plates; the sludge mixture is uniformly divided into a plurality of groups of uniform small streams, so that the first microwave generator can uniformly perform wall breaking treatment on the sludge mixture in the sludge channel.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sludge treatment technical field, especially a kind of sludge deep dewatering pretreatment microwave wall breaking treatment device. BACKGROUND

[0002] Vertical sludge deep filter pressing dewatering equipment is gradually rising mechanical dewatering equipment in recent years, relative to common sludge dewatering machine, it has the characteristics such as simple system, larger single processing capacity, lower operating cost, using high-pressure mechanical vertical extrusion sludge, under the conditions of appropriate equipment reagent selection and usage, accurate control, the average sludge moisture content can reach 50%-55% when the sludge moisture content is about 80%, sludge wall breaking is a process before sludge deep dewatering pretreatment, the process of releasing intracellular material by destroying cell wall or cell membrane structure of microorganism (such as bacteria, algae, etc.) in sludge through physical, chemical, biological or thermodynamic means, a large amount of bound water is wrapped in the cell wall of microorganism in sludge, and these water is more easily discharged through mechanical dewatering (such as centrifuge, filter press) after wall breaking, which improves the dewatering performance of sludge and significantly reduces transportation and disposal cost.

[0003] Some existing sludge pretreatment wall breaking devices have poor penetration of high-frequency electromagnetic waves generated by microwave generator during sludge wall breaking treatment, and generally only the cells on the surface of sludge in contact with high-frequency electromagnetic waves can be broken, and the internal sludge is also difficult to fully contact with high-frequency electromagnetic waves under the condition of turning and stirring, in order to ensure the wall breaking effect of sludge, microwave treatment is needed during long-time stirring of sludge, so that the microwave wall breaking treatment efficiency of sludge is low. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the shortcomings that some existing sludge pretreatment wall breaking devices have poor penetration of high-frequency electromagnetic waves generated by microwave generator during sludge wall breaking treatment, and generally only the cells on the surface of sludge in contact with high-frequency electromagnetic waves can be broken, and the internal sludge is also difficult to fully contact with high-frequency electromagnetic waves under the condition of turning and stirring, in order to ensure the wall breaking effect of sludge, microwave treatment is needed during long-time stirring of sludge, so that the microwave wall breaking treatment efficiency of sludge is low, and provides a kind of sludge deep dewatering pretreatment microwave wall breaking treatment device.

[0005] The objective of this utility model is achieved through the following technical solution: a microwave cell-breaking treatment device for deep dewatering pretreatment of sludge, comprising a cell-breaking treatment box, a feed box installed at the feed end of the cell-breaking treatment box, an inclined expanding plate installed on the inner bottom wall of the feed box, and the discharge end of the feed box extending to the feed end of the cell-breaking treatment box through a guide box. The inner bottom wall of the cell-breaking treatment box is inclined, and multiple sets of equidistant first partitions are installed on the inner bottom wall of the cell-breaking treatment box. A sludge channel is provided between every two adjacent sets of first partitions. Multiple sets of first microwave generators are installed inside the cell-breaking treatment box, and the first microwave generators are located in the sludge... Above the channel, an inclined, gradually expanding plate in the feed box stabilizes and levels the feed sludge mixture. After entering the cell-breaking treatment box through the guide box, multiple sets of first baffles divide the leveled sludge mixture into multiple uniform small streams. This allows the first microwave generator to uniformly break down the sludge mixture in the sludge channel. The cell-breaking process is carried out as the sludge mixture flows through the sludge channel, thereby improving the equipment's cell-breaking efficiency and enhancing the cell-breaking effect by evenly dividing the sludge mixture into small streams.

[0006] A rotatable crushing roller is installed between the discharge end of the feed box and the feed end of the guide box. A motor is installed on the outside of the feed box, and the power output end of the motor extends into the feed box and connects to the crushing roller. The crushing roller can crush and pre-treat large pieces of sludge in the feed sludge, so as to avoid large pieces from clogging the guide box and sludge channel.

[0007] A further technical solution is to install a second microwave generator at the discharge end of the cell wall breaking treatment box. The second microwave generator is installed on one side of the discharge end of the cell wall breaking treatment box, and a baffle corresponding to the second microwave generator is installed at the discharge end of the cell wall breaking treatment box. The baffle is installed above the second microwave generator. By setting the second microwave generator, the discharged sludge mixture can be broken down again, thereby further improving the cell wall breaking effect of the sludge.

[0008] A further technical solution is to install a screw conveyor at the feed end of the feed box, and extend the discharge end of the screw conveyor into the feed box. Setting up a screw conveyor can keep the sludge feed rate stable, thereby maintaining the laminar flow stability of the sludge mixture in the sludge channel and ensuring the sludge cell breaking effect.

[0009] A further technical solution is to install a flushing pipe on one side of the feed box, with the water inlet of the flushing pipe connected to an external cleaning water tank. Connecting the flushing pipe to the external cleaning water tank allows for backwashing of the equipment after use, preventing sludge residue from remaining in the cell wall breaking treatment box.

[0010] Further, the inside of the wall breaking treatment box is provided with a slide rod, a plurality of slideable mounting blocks are arranged on the slide rod, and the first microwave generator is detachably arranged on the mounting blocks.

[0011] Further, the inside top wall of the wall breaking treatment box is provided with a limiting sliding groove, and the upper portion of the mounting block is provided with a limiting block in sliding connection with the limiting sliding groove.

[0012] Further, a plurality of second partitions are arranged in the flow guide box at equal distances, a shunt channel is arranged between every two adjacent second partitions, the discharge end of the shunt channel is connected with the inlet end of the sludge channel, the shunt channel can uniformly shunt the feeding sludge mixture in the flow guide box, the discharge end of the shunt channel is connected with the inlet end of the sludge channel, so that the shunted sludge mixture can directly flow into the sludge channel, the transverse flow of the sludge mixture in the flow guide box is inhibited, and the distribution of the sludge mixture in the plurality of sludge channels is uniform.

[0013] The utility model has the advantages that: the gradually expanding plate arranged in the inclined feeding box can stabilize the flow of the feeding sludge mixture, the sludge mixture is uniformly divided into a plurality of small flow stocks by the plurality of first partitions after flowing into the wall breaking treatment box through the flow guide box, so that the first microwave generator can uniformly break the walls of the sludge mixture in the sludge channel, and the wall breaking efficiency of the equipment on the sludge mixture is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a sectional view of the overall structure of the utility model;

[0015] Fig. 2 It is a sectional view of the feeding box and the flow guide box of the utility model;

[0016] Fig. 3 It is a sectional view of the wall breaking treatment box of the utility model;

[0017] In the figure, 1, broken wall processing box; 2, feed tank; 3, broken roll; 4, guide box; 5, first baffle; 6, sludge channel; 7, first microwave generator; 8, second microwave generator; 9, baffle; 10, slide bar; 11, limit sliding slot; 12, mounting block; 13, screw conveyor; 14, flushing pipe; 15, motor; 16, shunt; 17, second baffle; 18, gradually expanding plate. DETAILED DESCRIPTION

[0018] To make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described below in connection with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0020] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0021] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0022] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, still need explaining, unless another explicit provision and limitation, term "arrangement", "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can through the intermediate medium indirectly connect, can be two element internal communication. For ordinary skilled in the art, can understand the specific meaning of the above-mentioned term in the utility model according to specific circumstances.

[0024] As Figs. 1-3 The utility model discloses a kind of sludge deep dewatering pretreatment microwave wall breaking treatment devices, including wall breaking treatment box 1, feed inlet of wall breaking treatment box 1 is equipped with feed tank 2, the inner bottom wall of feed tank 2 is equipped with the gradually expanding plate 18 of inclination, feed tank 2 is extended to the feed inlet of wall breaking treatment box 1 by flow guide box 4, the inner bottom wall of wall breaking treatment box 1 is arranged in inclination, the inner bottom wall of wall breaking treatment box 1 is equipped with multiple groups of first baffle 5, and sludge channel 6 is arranged between every two adjacent first baffle 5, wall breaking treatment box 1 is equipped with multiple groups of first microwave generator 7 in the inside, first microwave generator 7 is located above sludge channel 6, by setting the gradually expanding plate 18 of inclination of feed tank 2, sludge mixture can be stabilized flow flat, sludge mixture is entered into wall breaking treatment box 1 after passing through flow guide box 4, multiple groups of first baffle 5 are segmented to sludge mixture, so that sludge mixture is evenly divided into multiple groups of uniform small flow, so that first microwave generator 7 can evenly wall breaking treatment to sludge mixture in sludge channel 6, sludge mixture is evenly divided into small flow with the flow of sludge mixture in sludge channel 6, so as to improve the wall breaking efficiency of equipment to sludge mixture, and the wall breaking effect of sludge mixture is improved by sludge mixture evenly divided into small flow;

[0025] The discharge end of feed tank 2 and the feed end of flow guide box 4 are equipped with rotatable crushing roller 3, motor 15 is installed outside feed tank 2, the power output end of motor 15 extends into feed tank 2 and is connected with crushing roller 3, the setting crushing roller 3 can crush the large sludge in the feed sludge, avoid large block to flow guide box 4 and sludge channel 6 cause blockage.

[0026] Second microwave generator 8 is installed at the discharge end of wall breaking treatment box 1, second microwave generator 8 is installed on one side of the discharge end of wall breaking treatment box 1, baffle 9 corresponding with second microwave generator 8 is installed at the discharge end of wall breaking treatment box 1, baffle 9 is installed above second microwave generator 8, by setting second microwave generator 8, sludge mixture can be wall broken again, so as to further improve the wall breaking effect of sludge.

[0027] The feeding end of the feeding box 2 is provided with a screw conveyor 13, the discharging end of which extends into the feeding box 2, and the screw conveyor 13 is arranged to keep the sludge feeding amount stable, thereby keeping the laminar flow stability of the sludge mixture in the sludge channel 6 and ensuring the wall breaking effect of the sludge.

[0028] The feeding box 2 is provided with a flushing pipe 14 on one side, the water inlet end of which is connected with an external cleaning water tank, and the flushing pipe 14 is arranged to be connected with the external cleaning water tank to backwash the equipment after use, thereby avoiding the residual sludge in the wall breaking treatment box 1.

[0029] The wall breaking treatment box 1 is internally provided with a sliding rod 10, a plurality of slidable mounting blocks 12 are mounted on the sliding rod 10, and the first microwave generator 7 is detachably mounted on the mounting blocks 12, and the mounting blocks 12 are arranged to drive the first microwave generator 7 to slide on the sliding rod 10 to adjust the distance between the plurality of first microwave generators 7, thereby adjusting the number and spacing of the first microwave generators 7 according to the use requirement and improving the convenience of adjustment.

[0030] The wall breaking treatment box 1 is internally provided with a limiting sliding groove 11, and the upper portion of the mounting block 12 is provided with a limiting block in sliding connection with the limiting sliding groove 11, and the limiting block on the upper portion of the mounting block 12 is arranged to be connected with the limiting sliding groove 11 to ensure the stability of the mounting block 12 when sliding in the wall breaking treatment box 1.

[0031] The flow guide box 4 is internally provided with a plurality of second partitions 17 arranged at equal distances, and a shunt channel 16 is arranged between every adjacent two groups of second partitions 17, the discharging end of the shunt channel 16 is connected with the feeding end of the sludge channel 6, and the shunt channel 16 is arranged to uniformly shunt the feeding sludge mixture in the flow guide box 4, and the discharging end of the shunt channel 16 is connected with the feeding end of the sludge channel 6 to directly flow the shunted sludge mixture into the sludge channel 6, thereby inhibiting the transverse flow of the sludge mixture in the flow guide box 4 and ensuring the uniform distribution of the sludge mixture in the plurality of sludge channels 6.

[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sludge deep dewatering pretreatment microwave wall breaking treatment device, comprising a wall breaking treatment box (1), characterized in that: The feeding end of the cell wall breaking treatment box (1) is provided with a feeding box (2), the inner bottom wall of the feeding box (2) is provided with an inclined diverging plate (18), the discharging end of the feeding box (2) extends to the feeding end of the cell wall breaking treatment box (1) through a flow guide box (4), the inner bottom wall of the cell wall breaking treatment box (1) is arranged in an inclined manner, the inner bottom wall of the cell wall breaking treatment box (1) is provided with a plurality of groups of first partition plates (5) arranged at equal distances, a sludge channel (6) is arranged between every two adjacent groups of the first partition plates (5), and a plurality of groups of first microwave generators (7) are arranged in the cell wall breaking treatment box (1), wherein the first microwave generators (7) are arranged above the sludge channel (6). A rotatable crushing roller (3) is arranged between the discharging end of the feeding box (2) and the feeding end of the flow guide box (4), an electric motor (15) is arranged outside the feeding box (2), and the power output end of the electric motor (15) extends into the feeding box (2) and is connected with the crushing roller (3).

2. The sludge deep dewatering pretreatment microwave wall-breaking treatment device according to claim 1, characterized in that: A second microwave generator (8) is arranged at the discharging end of the cell wall breaking treatment box (1), the second microwave generator (8) is arranged on one side of the discharging end of the cell wall breaking treatment box (1), a baffle (9) corresponding to the second microwave generator (8) is arranged at the discharging end of the cell wall breaking treatment box (1), and the baffle (9) is arranged above the second microwave generator (8).

3. The sludge deep dewatering pretreatment microwave wall-breaking treatment device according to claim 1, characterized in that: A spiral conveyor (13) is arranged at the feeding end of the feeding box (2), and the discharging end of the spiral conveyor (13) extends into the feeding box (2).

4. The sludge deep dewatering pretreatment microwave wall-breaking treatment device according to claim 1, characterized in that: A flushing pipe (14) is arranged on one side of the feeding box (2), and the water inlet end of the flushing pipe (14) is connected with an external cleaning water tank.

5. The sludge deep dewatering pretreatment microwave wall-breaking treatment device according to claim 1, characterized in that: A slide rod (10) is arranged in the cell wall breaking treatment box (1), a plurality of groups of slidable mounting blocks (12) are arranged on the slide rod (10), and the first microwave generators (7) are detachably arranged on the mounting blocks (12).

6. The sludge deep dewatering pretreatment microwave wall-breaking treatment device according to claim 5, characterized in that: A limiting sliding groove (11) is formed in the inner top wall of the cell wall breaking treatment box (1), and a limiting block is arranged on the upper portion of the mounting block (12) and is in sliding connection with the limiting sliding groove (11).

7. The sludge deep dewatering pretreatment microwave wall-breaking treatment device according to claim 1, characterized in that: A plurality of groups of second partition plates (17) are arranged at equal distances in the flow guide box (4), a shunt channel (16) is arranged between every two adjacent groups of the second partition plates (17), and the discharging end of the shunt channel (16) is connected with the feeding end of the sludge channel (6).