Domestic garbage residual sludge treatment equipment and treatment method

By designing sludge treatment equipment with a feeding and briquetting mechanism, the problem of loose sludge lumps is solved, effective filtration and extrusion molding of sludge is achieved, and the efficiency and quality of sludge treatment are improved.

CN120097603BActive Publication Date: 2025-09-19LIANYUNGANG CHENXING ENVIRONMENTAL PROTECTION IND CO LTD
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Patent Information

Application Number
CN202510602356.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-05-12
Publication Date
2025-09-19
Estimated Expiration
2045-05-12

AI Technical Summary

Technical Problem

In the prior art, when sludge briquetting equipment is used to briquette sludge, the sludge briquettes are easily loosened due to the high sewage content in the sludge, which affects the treatment effect.

Method used

A domestic waste residual sludge treatment equipment is designed, which includes a supporting base, a driving mechanism, a feeding mechanism and a briquetting mechanism. The driving shaft drives the unloading turntable, the feeding mechanism and the briquetting mechanism to work, thereby realizing the sludge filtering, extrusion and briquetting. The feeding screw and the briquetting stirring paddle are used to extrude and shape the sludge and discharge the excess sewage.

Benefits of technology

It can effectively discharge sewage from the sludge, prevent the sludge blocks from loosening, ensure the quality and integrity of the sludge blocks, achieve uniform feeding and extrusion operations, and improve the efficiency and effect of sludge treatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field of sludge treatment equipment, and discloses a domestic waste residual sludge treatment equipment and treatment method, comprising a support base, a driving mechanism installed inside the support base, and a guardrail installed on the top of the support base. The present invention can squeeze the sludge when the feeding screw drives the sludge to move so that excess sewage inside it is discharged, and the discharged sewage is filtered through the sewage filter hole and discharged from the inside of the briquetting bin along the sewage outlet. When the feeding screw rotates and drives the sludge to move toward the center of the briquetting partition plate, the sludge can fall from the opening in the center of the briquetting partition plate to the inside of the briquetting mechanism. Driven by the driving shaft, the feeding spiral groove can drive the sludge to fall onto the briquetting partition plate at a uniform speed, and when the feeding screw rotates, it can drive the sludge into the inside of the briquetting mechanism, and during the sludge movement, the sludge can also be squeezed so that the sewage inside it is discharged through the sewage filter hole and the sewage outlet.
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Description

Technical Field

[0001] The present invention relates to the technical field of sludge treatment equipment, and in particular to a domestic garbage residual sludge treatment device and a treatment method. Background Art

[0002] Domestic waste sludge is a semi-solid organic waste generated during the treatment of urban domestic sewage, septic tanks and garbage. It contains a large amount of pollutants such as organic matter, pathogens and heavy metals. If not handled properly, it may cause environmental pollution and threaten public health. Therefore, scientific treatment of sludge is an important part of achieving sustainable urban development.

[0003] Chinese patent CN108358420B discloses a sludge briquetting and drying device, which includes a support rod, a mesh plate, a bracket, a first bearing seat, a first motor, a first rotating shaft, a first gear, a second bearing seat, a second motor, a screw, a first nut, etc.; the support rod is vertically installed on the ground, a mesh plate is provided on the top of the support rod, and brackets are vertically installed on the left and right sides of the ground. The brackets on the left and right sides are respectively located on the left and right sides of the support rod, and a first bearing seat is provided on the upper right side of the left bracket.

[0004] In the above patents and prior art, when treating sludge generated from domestic waste, the sludge is usually briquette-pressed. However, when briquetting the sludge, the sludge briquettes may become loose due to the high content of sewage in the sludge. Summary of the Invention

[0005] In view of the deficiencies in the prior art, the present invention provides a device and method for treating residual sludge from domestic waste.

[0006] A domestic waste residual sludge treatment device comprises a support base, a driving mechanism is installed inside the support base, a guardrail is installed on the top of the support base, a discharge port is provided on the outside of the guardrail, a discharge turntable is installed inside the guardrail, a briquetting bin is installed on the top of the discharge turntable, a guide plate is installed outside the briquetting bin, and a feeding mechanism and a briquetting mechanism are installed inside the briquetting bin;

[0007] The top of the driving mechanism passes through the supporting base, the guardrail, the unloading turntable and the briquetting bin respectively, and the outside of the driving mechanism is connected to the unloading turntable, the loading mechanism and the briquetting mechanism respectively;

[0008] The driving mechanism can drive the unloading turntable to rotate, and the driving mechanism can also drive the feeding mechanism and the briquetting mechanism to perform sludge briquetting. The feeding mechanism can drive the sludge into the interior of the briquetting bin, and the feeding mechanism can also filter the sludge entering the briquetting bin. The feeding mechanism can drive the sludge into the interior of the briquetting mechanism, and the briquetting mechanism can squeeze the sludge into blocks and discharge it from the interior of the briquetting bin. The discharged sludge blocks fall onto the unloading turntable, and the unloading turntable can drive the sludge to move when it rotates.

[0009] Preferably, the driving mechanism includes a driving motor and a driving shaft, the driving motor is installed inside the support base, the driving shaft is installed inside the support base, a motor gear is installed on the driving end of the driving motor, and a shaft gear is installed on the outside of the driving shaft;

[0010] The outside of the driving shaft is respectively connected to the unloading turntable, the loading mechanism and the briquetting mechanism. The driving motor can drive the driving shaft to rotate through the meshing connection between the motor gear and the shaft gear. When the driving shaft rotates, it can drive the unloading turntable to rotate synchronously.

[0011] Preferably, when the driving shaft rotates, it can drive the feeding mechanism to move the sludge, when the driving shaft rotates, it can drive the briquetting mechanism to briquette the sludge, and when the unloading turntable rotates to move the sludge blocks, the guide plate can guide the sludge blocks;

[0012] When the unloading turntable rotates, the briquetting bin on the top is connected to the guardrail through the guide plate.

[0013] Preferably, the feeding mechanism includes a feeding spiral trough, an outer diverter plate, an inner limit plate, a feeding screw, a briquetting separator plate, and a sewage outlet. The feeding spiral trough is mounted on the outside of the driving shaft. The outer diverter plate is mounted on the inner side wall of the briquetting bin, and a sewage filtering hole is provided inside the outer diverter plate. The inner limit plate is mounted on the outside of the driving shaft, and the bottom of the inner limit plate is connected to a bottom limit plate. The feeding screw is mounted on the outside of the driving shaft, the briquetting separator plate is mounted on the inside of the briquetting bin, and the sewage outlet is mounted on the outside of the briquetting bin.

[0014] When the driving shaft rotates, it can drive the feeding spiral groove to rotate synchronously, and when the feeding spiral groove rotates, it can actively drive the sludge into the interior of the briquetting bin.

[0015] Preferably, the top of the inner limiting plate is located inside the feeding spiral trough, and when the feeding spiral trough drives the sludge to descend, the inner limiting plate and the outer diverter plate can jointly guide the sludge so that the sludge falls onto the briquetting partition plate, and the bottom of the outer diverter plate is connected to the top of the briquetting partition plate, and the outer diverter plate can block the sludge on the briquetting partition plate;

[0016] The sewage filter holes on the outer diverter plate can filter excess sewage in the sludge, and the outside of the outer diverter plate is connected to the outside of the briquetting bin through the sewage outlet.

[0017] Preferably, the feeding screw is located between the bottom limit plate and the pressing block partition plate, the top of the feeding screw is in contact with the bottom limit plate, the bottom of the feeding screw is in contact with the pressing block partition plate, and the distance between the bottom limit plate and the pressing block partition plate gradually decreases as it approaches the center of the driving shaft;

[0018] When the driving shaft drives the feeding screw to rotate, the feeding screw can drive the sludge to gradually move toward the center of the briquetting partition plate. When the feeding screw drives the sludge to move toward the center of the briquetting partition plate, the sludge can be squeezed to discharge excess sewage.

[0019] Preferably, the briquetting mechanism comprises a briquetting stirring paddle and a briquetting extrusion ring, wherein the briquetting stirring paddle is installed outside the driving shaft, and the briquetting extrusion ring is installed inside the briquetting bin;

[0020] The interior of the briquette extrusion ring is provided with a plurality of briquette forming holes, which are equidistantly distributed in an annular shape inside the briquette extrusion ring. The exterior of the briquette stirring paddle fits in with the interior of the briquette extrusion ring.

[0021] Preferably, when the briquetting stirring paddle rotates, it can push the sludge inside the briquetting bin to move toward the briquetting forming hole inside the briquetting extrusion ring. The sludge pushed by the briquetting stirring paddle is squeezed into blocks by the briquetting forming hole and then discharged from the inside of the briquetting bin.

[0022] Preferably, the blades on the briquetting stirring paddle and the feeding screw are both curved structures, and the bending directions of the blades on the briquetting stirring paddle and the feeding screw are opposite.

[0023] A treatment method uses the above-mentioned domestic waste residual sludge treatment equipment.

[0024] Compared with the prior art, the present invention provides a domestic waste residual sludge treatment device and treatment method, which has the following beneficial effects:

[0025] 1. This type of domestic waste residual sludge treatment equipment can squeeze the sludge when the feeding screw drives the sludge to move so that the excess sewage inside it is discharged. The discharged sewage is discharged from the inside of the briquetting bin along the sewage outlet after being filtered through the sewage filter hole. When the feeding screw rotates and drives the sludge to move toward the center of the briquetting partition plate, the sludge can fall from the opening in the center of the briquetting partition plate to the inside of the briquetting mechanism. Driven by the driving shaft, the feeding spiral groove can drive the sludge to fall onto the briquetting partition plate at a uniform speed. When the feeding screw rotates, it can drive the sludge into the inside of the briquetting mechanism, and during the sludge movement, it can also squeeze the sludge so that the sewage inside it is discharged through the sewage filter hole and the sewage outlet.

[0026] 2. This type of domestic waste residual sludge treatment equipment has a driving shaft passing through the interior of the briquetting bin, and the exterior of the driving shaft is respectively connected to the feeding mechanism and the briquetting mechanism. When the driving shaft rotates, it can also drive the feeding mechanism to move the sludge blocks and squeeze out the internal sewage, while the driving shaft drives the briquetting mechanism to squeeze the sludge into blocks. During operation, the rotation of the driving shaft synchronously drives the feeding mechanism to feed the sludge and the briquetting mechanism to squeeze the sludge, so that the device can evenly perform the sludge feeding and squeezing operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the three-dimensional structure of a domestic waste residual sludge treatment device of the present invention. Figure 1 ;

[0028] Figure 2 This is a schematic diagram of the internal structure of a base of a domestic waste residual sludge treatment device according to the present invention;

[0029] Figure 3 This is a schematic diagram of the internal structure of a domestic waste residual sludge treatment device of the present invention. Figure 2 ;

[0030] Figure 4 This is a schematic diagram of the internal structure of a briquetting bin for a domestic waste residual sludge treatment device according to the present invention. Figure 1 ;

[0031] Figure 5 This is a schematic diagram of the internal structure of a briquetting bin for a domestic waste residual sludge treatment device according to the present invention. Figure 2 ;

[0032] Figure 6 This is a schematic diagram of the three-dimensional structure of a feeding screw propeller of a domestic waste residual sludge treatment device according to the present invention;

[0033] Figure 7 This is a schematic diagram of the three-dimensional structure of a briquetting mechanism of a domestic waste residual sludge treatment device according to the present invention;

[0034] Figure 8 This is a schematic diagram of the three-dimensional structure of a briquetting extrusion ring of a domestic waste residual sludge treatment device of the present invention.

[0035] In the figure: 1. Support base; 2. Driving mechanism; 21. Driving motor; 22. Motor gear; 23. Shaft gear; 24. Driving shaft; 3. Guardrail; 4. Discharge port; 5. Unloading turntable; 6. Briquetting bin; 7. Guide plate; 8. Loading mechanism; 81. Unloading spiral trough; 82. Outer diverter plate; 83. Sewage filter hole; 84. Inner limit plate; 85. Bottom limit plate; 86. Loading screw; 87. Briquetting partition plate; 88. Sewage discharge port; 9. Briquetting mechanism; 91. Briquetting stirring paddle; 92. Briquetting extrusion ring; 93. Briquetting forming hole. DETAILED DESCRIPTION

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0037] As introduced in the background technology, there are deficiencies in the existing technology. In order to solve the above technical problems, this application proposes a domestic waste residual sludge treatment device and treatment method. Example 1

[0038] See also Figure 1 - Figure 8 A domestic waste residual sludge treatment device includes a support base 1, a driving mechanism 2 is installed inside the support base 1, a guardrail 3 is installed on the top of the support base 1, a discharge port 4 is provided outside the guardrail 3, a discharge turntable 5 is installed inside the guardrail 3, a briquetting bin 6 is installed on the top of the discharge turntable 5, a guide plate 7 is installed outside the briquetting bin 6, and a feeding mechanism 8 and a briquetting mechanism 9 are installed inside the briquetting bin 6;

[0039] The top of the driving mechanism 2 passes through the supporting base 1, the guardrail 3, the unloading turntable 5 and the briquetting bin 6 respectively, and the outside of the driving mechanism 2 is connected to the unloading turntable 5, the loading mechanism 8 and the briquetting mechanism 9 respectively;

[0040] The driving mechanism 2 can drive the unloading turntable 5 to rotate, and the driving mechanism 2 can also drive the feeding mechanism 8 and the briquetting mechanism 9 to perform sludge briquetting. The feeding mechanism 8 can drive the sludge into the interior of the briquetting bin 6, and the feeding mechanism 8 can also filter the sludge entering the interior of the briquetting bin 6. The feeding mechanism 8 can drive the sludge into the interior of the briquetting mechanism 9, and the briquetting mechanism 9 can squeeze the sludge into blocks and discharge it from the interior of the briquetting bin 6. The discharged sludge blocks fall onto the unloading turntable 5, and the unloading turntable 5 can drive the sludge to move when it rotates.

[0041] During operation, the top of the briquetting bin 6 can be connected to the external sludge discharge port, and then the driving mechanism 2 is started. After the driving mechanism 2 is started, it can drive the feeding mechanism 8 to feed the sludge. When the feeding mechanism 8 drives the sludge into the briquetting bin 6, it can also squeeze the sludge to discharge the sewage in the sludge. After discharging the sewage in the sludge, the feeding mechanism 8 can also move the sludge to the inside of the briquetting mechanism 9. After the sludge enters the briquetting mechanism 9, the driving mechanism 2 can drive the briquetting mechanism 9 to squeeze the internal sludge into blocks, and then the briquetting mechanism 9 can also The sludge blocks squeezed into blocks can be discharged from the inside of the briquetting bin 6, and the discharged sludge blocks will fall onto the discharge turntable 5. During operation, the driving mechanism 2 can also drive the discharge turntable 5 to rotate, and when the discharge turntable 5 rotates, it can drive the sludge blocks to move synchronously. When the discharge turntable 5 drives the sludge blocks to move, the guide plate 7 can guide the sludge blocks, and the guided sludge blocks are discharged along the discharge port 4. Before the sludge is briquetized, the sludge is squeezed by the feeding mechanism 8 to discharge the excess sewage inside it, so as to prevent the sludge from loosening during subsequent briquetting and affecting the quality of the sludge blocks. Example 2

[0042] The difference from the above embodiment is that, please refer to Figure 1 - Figure 8 The driving mechanism 2 includes a driving motor 21 and a driving shaft 24. The driving motor 21 is installed inside the supporting base 1, and the driving shaft 24 is installed inside the supporting base 1. The driving end of the driving motor 21 is installed with a motor gear 22, and the outside of the driving shaft 24 is installed with a shaft gear 23;

[0043] The outside of the driving shaft 24 is respectively connected to the unloading turntable 5, the loading mechanism 8 and the briquetting mechanism 9. The driving motor 21 can drive the driving shaft 24 to rotate through the meshing connection between the motor gear 22 and the shaft gear 23. When the driving shaft 24 rotates, it can drive the unloading turntable 5 to rotate synchronously.

[0044] When the driving shaft 24 rotates, it can drive the feeding mechanism 8 to move the sludge. When the driving shaft 24 rotates, it can drive the briquetting mechanism 9 to briquette the sludge. When the unloading turntable 5 rotates to move the sludge blocks, the guide plate 7 can guide the sludge blocks.

[0045] When the unloading turntable 5 rotates, the briquetting bin 6 on the top is connected to the guardrail 3 through the guide plate 7.

[0046] When working, the driving motor 21 rotates and can drive the driving shaft 24 to rotate through the meshing connection between the motor gear 22 and the shaft gear 23. When the driving shaft 24 rotates, it can drive the unloading turntable 5 to rotate. When the unloading turntable 5 rotates, the briquetting bin 6 above is connected to the guardrail 3 through the external guide plate 7, thereby preventing the briquetting bin 6 from rotating when the unloading turntable 5 rotates. The driving shaft 24 passes through the inside of the briquetting bin 6, and the outside of the driving shaft 24 is respectively connected to the feeding mechanism 8 and the briquetting mechanism 9. When the driving shaft 24 rotates, it can also drive the feeding mechanism 8 to move the sludge blocks and squeeze and discharge the internal sewage, and the driving shaft 24 drives the briquetting mechanism 9 to squeeze the sludge into blocks. During work, the rotation of the driving shaft 24 synchronously drives the feeding mechanism 8 to feed the sludge and the briquetting mechanism 9 to squeeze the sludge, so that the device can evenly perform the sludge feeding and squeezing operation. Example 3

[0047] The difference from the above embodiment is that, please refer to Figure 1 - Figure 8 The feeding mechanism 8 includes a feeding spiral trough 81, an outer diverter plate 82, an inner limit plate 84, a feeding screw 86, a briquetting separator 87 and a sewage outlet 88. The feeding spiral trough 81 is installed on the outside of the driving shaft 24. The outer diverter plate 82 is installed on the inner side wall of the briquetting bin 6. A sewage filtering hole 83 is opened inside the outer diverter plate 82. The inner limit plate 84 is installed on the outside of the driving shaft 24. The bottom of the inner limit plate 84 is connected to the bottom limit plate 85. The feeding screw 86 is installed on the outside of the driving shaft 24. The briquetting separator 87 is installed inside the briquetting bin 6. The sewage outlet 88 is installed on the outside of the briquetting bin 6.

[0048] When the driving shaft 24 rotates, it can drive the unloading spiral groove 81 to rotate synchronously. When the unloading spiral groove 81 rotates, it can actively drive the sludge into the interior of the briquetting bin 6.

[0049] The top of the inner limiting plate 84 is located inside the feeding spiral groove 81. When the feeding spiral groove 81 drives the sludge to descend, the inner limiting plate 84 and the outer diverter plate 82 can jointly guide the sludge so that the sludge falls onto the briquetting partition plate 87. The bottom of the outer diverter plate 82 is connected to the top of the briquetting partition plate 87. The outer diverter plate 82 can block the sludge on the briquetting partition plate 87.

[0050] The sewage filter holes 83 on the outer diverter plate 82 can filter excess sewage in the sludge, and the outside of the outer diverter plate 82 is connected to the outside of the briquetting bin 6 through the sewage outlet 88.

[0051] The feeding screw 86 is located between the bottom limit plate 85 and the pressing block partition plate 87. The top of the feeding screw 86 is in contact with the bottom limit plate 85, and the bottom of the feeding screw 86 is in contact with the pressing block partition plate 87. The distance between the bottom limit plate 85 and the pressing block partition plate 87 gradually decreases as it approaches the center of the driving shaft 24.

[0052] When the driving shaft 24 drives the feeding screw 86 to rotate, the feeding screw 86 can drive the sludge to gradually move toward the center of the briquetting partition plate 87. When the feeding screw 86 drives the sludge to move toward the center of the briquetting partition plate 87, the sludge can be squeezed to discharge excess sewage.

[0053] During operation, the external sludge discharge port discharges the sludge to the top of the discharge spiral trough 81, and when the driving shaft 24 rotates, it can drive the discharge spiral trough 81 to rotate, and when the discharge spiral trough 81 rotates, it can drive the sludge to move downward at a uniform speed, and the downward-moving sludge falls onto the briquetting partition plate 87 under the restriction of the inner limit plate 84 and the outer diverter plate 82, and when the driving shaft 24 rotates, it can also drive the feeding screw 86 to rotate, and when the feeding screw 86 rotates, it can drive the sludge to move toward the center of the briquetting partition plate 87, and the gap between the briquetting partition plate 87 and the bottom limit plate 85 gradually shortens when it approaches the center of the briquetting partition plate 87, so that when the feeding screw 86 drives the sludge to move The sludge is squeezed to discharge the excess sewage inside it. The discharged sewage is filtered through the sewage filter hole 83 and discharged from the inside of the briquetting bin 6 along the sewage outlet 88. When the feeding screw 86 rotates to drive the sludge to move toward the center of the briquetting partition plate 87, the sludge can fall from the opening in the center of the briquetting partition plate 87 to the inside of the briquetting mechanism 9. Driven by the driving shaft 24, the feeding spiral groove 81 can drive the sludge to fall onto the briquetting partition plate 87 at a uniform speed. When the feeding screw 86 rotates, it can drive the sludge into the inside of the briquetting mechanism 9, and during the sludge movement, the sludge can also be squeezed to discharge the sewage inside it through the sewage filter hole 83 and the sewage outlet 88. Example 4

[0054] The difference from the above embodiment is that, please refer to Figure 1 - Figure 8 The briquetting mechanism 9 includes a briquetting stirring paddle 91 and a briquetting extrusion ring 92. The briquetting stirring paddle 91 is installed on the outside of the driving shaft 24, and the briquetting extrusion ring 92 is installed inside the briquetting bin 6;

[0055] A plurality of briquette forming holes 93 are provided inside the briquette extrusion ring 92 . The plurality of briquette forming holes 93 are equidistantly distributed in an annular pattern inside the briquette extrusion ring 92 . The outside of the briquette stirring paddle 91 fits in contact with the inside of the briquette extrusion ring 92 .

[0056] When the briquetting paddle 91 rotates, it can push the sludge inside the briquetting bin 6 to move toward the briquetting forming hole 93 inside the briquetting extrusion ring 92. The sludge pushed by the briquetting paddle 91 is squeezed by the briquetting forming hole 93 into blocks and then discharged from the inside of the briquetting bin 6.

[0057] The blades on the briquetting stirring paddle 91 and the feeding screw 86 are both curved structures, and the curvature directions of the blades on the briquetting stirring paddle 91 and the feeding screw 86 are opposite.

[0058] When the driving shaft 24 rotates, it can drive the briquetting stirring paddle 91 and the feeding screw 86 to rotate synchronously, and the bending directions of the briquetting stirring paddle 91 and the feeding screw 86 are opposite. When the feeding screw 86 rotates, it can drive the sludge to move toward the center of the briquetting bin 6. When the briquetting stirring paddle 91 rotates, it can drive the sludge to move to the outside of the briquetting bin 6. When the sludge gradually moves outward, it enters the inside of the briquetting forming hole 93. The sludge is accumulated and squeezed inside the briquetting forming hole 93 to form blocks and then discharged onto the unloading turntable 5. Example 5

[0059] A treatment method using a domestic waste residual sludge treatment device as described in Examples 1 to 4 includes the following steps:

[0060] During operation, first connect the top of the briquetting bin 6 to the external sludge outlet;

[0061] Driven by the driving mechanism 2, the feeding mechanism 8 can move the sludge and squeeze out the sewage;

[0062] Driven by the driving mechanism 2, the briquetting mechanism 9 can squeeze the sludge into blocks;

[0063] The sludge squeezed into blocks is discharged from the briquetting bin 6 and falls onto the unloading turntable 5;

[0064] The unloading turntable 5 can drive the sludge blocks to move and discharge the sludge blocks along the unloading turntable 5 under the guidance of the guide plate 7.

[0065] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A domestic waste residual sludge treatment device, comprising a support base, characterized in that: A driving mechanism is installed inside the support base, a guardrail is installed on the top of the support base, a discharge port is provided outside the guardrail, a discharge turntable is installed inside the guardrail, a briquetting bin is installed on the top of the discharge turntable, a guide plate is installed outside the briquetting bin, and a loading mechanism and a briquetting mechanism are installed inside the briquetting bin; The top of the driving mechanism passes through the supporting base, the guardrail, the unloading turntable and the briquetting bin respectively, and the outside of the driving mechanism is connected to the unloading turntable, the loading mechanism and the briquetting mechanism respectively; The driving mechanism can drive the unloading turntable to rotate, and the driving mechanism can also drive the feeding mechanism and the briquetting mechanism to perform sludge briquetting. The feeding mechanism can drive the sludge into the interior of the briquetting bin, and the feeding mechanism can also filter the sludge entering the briquetting bin. The feeding mechanism can drive the sludge into the interior of the briquetting mechanism, and the briquetting mechanism can squeeze the sludge into blocks and discharge it from the interior of the briquetting bin. The discharged sludge blocks fall onto the unloading turntable, and the unloading turntable can drive the sludge to move when it rotates; The feeding mechanism includes a feeding spiral trough, an outer diverter plate, an inner limiting plate, a feeding screw, a briquetting partition plate and a sewage discharge outlet, the feeding spiral trough is installed on the outside of the driving shaft, the outer diverter plate is installed on the inner wall of the briquetting bin, a sewage filtering hole is opened inside the outer diverter plate, the inner limiting plate is installed on the outside of the driving shaft, the bottom of the inner limiting plate is connected to the bottom limiting plate, the feeding screw is installed on the outside of the driving shaft, the briquetting partition plate is installed inside the briquetting bin, and the sewage discharge outlet is installed on the outside of the briquetting bin; When the driving shaft rotates, it can drive the feeding spiral groove to rotate synchronously, and when the feeding spiral groove rotates, it can actively drive the sludge into the interior of the briquetting bin; The top of the inner limiting plate is located inside the feeding spiral groove. When the feeding spiral groove drives the sludge to descend, the inner limiting plate and the outer diverter plate can jointly guide the sludge so that the sludge falls onto the briquetting partition plate. The bottom of the outer diverter plate is connected to the top of the briquetting partition plate. The outer diverter plate can block the sludge on the briquetting partition plate. The sewage filter holes on the outer diverter plate can filter excess sewage in the sludge, and the outside of the outer diverter plate is connected to the outside of the briquetting bin through the sewage outlet; The driving mechanism includes a driving motor and a driving shaft, wherein the driving motor is installed inside the support base, the driving shaft is installed inside the support base, a motor gear is installed on the driving end of the driving motor, and a shaft gear is installed on the outside of the driving shaft; The exterior of the driving shaft is respectively connected to the unloading turntable, the loading mechanism and the briquetting mechanism. The driving motor can drive the driving shaft to rotate through the meshing connection between the motor gear and the shaft gear. When the driving shaft rotates, it can drive the unloading turntable to rotate synchronously. When the driving shaft rotates, it can drive the feeding mechanism to move the sludge, and when the driving shaft rotates, it can drive the briquetting mechanism to briquette the sludge. When the unloading turntable rotates to move the sludge blocks, the guide plate can guide the sludge blocks. When the unloading turntable rotates, the briquetting bin on the top is connected to the guardrail through the guide plate.

2. The domestic waste residual sludge treatment equipment according to claim 1, characterized in that: The feeding screw is located between the bottom limit plate and the pressing block partition plate, the top of the feeding screw is in contact with the bottom limit plate, the bottom of the feeding screw is in contact with the pressing block partition plate, and the distance between the bottom limit plate and the pressing block partition plate gradually decreases as it approaches the center of the driving shaft; When the driving shaft drives the feeding screw to rotate, the feeding screw can drive the sludge to gradually move toward the center of the briquetting partition plate. When the feeding screw drives the sludge to move toward the center of the briquetting partition plate, the sludge can be squeezed to discharge excess sewage.

3. The domestic waste residual sludge treatment equipment according to claim 2, characterized in that: The briquetting mechanism includes a briquetting stirring paddle and a briquetting extrusion ring, wherein the briquetting stirring paddle is installed outside the driving shaft, and the briquetting extrusion ring is installed inside the briquetting bin; The interior of the briquette extrusion ring is provided with a plurality of briquette forming holes, which are equidistantly distributed in an annular shape inside the briquette extrusion ring. The exterior of the briquette stirring paddle fits in with the interior of the briquette extrusion ring.

4. The domestic waste residual sludge treatment equipment according to claim 3, characterized in that: When the briquetting stirring paddle rotates, it can push the sludge inside the briquetting bin to move toward the briquetting forming hole inside the briquetting extrusion ring. The sludge pushed by the briquetting stirring paddle is squeezed by the briquetting forming hole into blocks and then discharged from the inside of the briquetting bin.

5. The equipment for treating residual sludge from domestic waste according to claim 4, characterized in that: The blades on the briquetting stirring paddle and the feeding screw propeller are both curved structures, and the bending directions of the blades on the briquetting stirring paddle and the feeding screw propeller are opposite.

6. A treatment method using a domestic waste residual sludge treatment device according to any one of claims 1 to 5; When working, first connect the top of the briquetting bin to the external sludge outlet; Driven by the driving mechanism, the feeding mechanism can move the sludge and squeeze out the sewage; Driven by the driving mechanism, the briquetting mechanism can squeeze the sludge into blocks; The sludge squeezed into blocks is discharged from the briquetting bin and falls onto the unloading turntable; The unloading turntable can drive the sludge blocks to move and discharge the sludge blocks along the unloading turntable under the guidance of the guide plate.

Citation Information

Patent Citations

  • A sludge briquetting and drying equipment

    CN108358420B

  • Sludge filter pressing system for water treatment

    CN115677166A