Household garbage residual sludge treatment equipment and treatment method

Abstract

The invention relates to the technical field of sludge treatment equipment, and discloses household garbage residual sludge treatment equipment and a treatment method.The household garbage residual sludge treatment equipment comprises a supporting base, a driving mechanism is installed in the supporting base, and a protective fence is installed at the top of the supporting base. When a feeding propeller drives sludge to move, the sludge can be extruded, so that redundant sewage in the sludge is discharged, and the discharged sewage is discharged from the interior of a briquetting bin along a sewage discharge port after being filtered by a sewage filtering hole; when a feeding propeller rotates to drive sludge to move towards the center of a briquetting partition plate, the sludge can fall into the briquetting mechanism from an opening in the center of the briquetting partition plate, and a discharging spiral groove can drive the sludge to fall onto the briquetting partition plate at a constant speed under the driving of a driving rotating shaft; and when the feeding propeller rotates, the sludge can be driven to enter the briquetting mechanism, and the sludge can be extruded in the sludge moving process, so that sewage in the sludge is discharged through a sewage filtering hole and a sewage outlet.

Description

Technical Field

[0001] The invention relates to the technical field of sludge treatment equipment, and in particular to a domestic garbage residual sludge treatment equipment 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, including 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.; a 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, and 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 arranged outside the guardrail, a material discharge turntable is installed inside the guardrail, a briquetting bin is installed on the top of the material 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; 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.

[0007] Preferably, the driving mechanism comprises a driving motor and a driving shaft, the driving motor is installed inside the supporting base, the driving shaft is installed inside the supporting base, a motor gear is installed at the driving end of the driving motor, and a shaft gear is installed outside the driving shaft; 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.

[0008] 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; When the unloading turntable rotates, the briquetting bin on the top is connected with the guardrail through the guide plate.

[0009] Preferably, the feeding mechanism comprises a feeding spiral groove, an outer diverter plate, an inner stop plate, a feeding screw, a briquetting partition plate and a sewage outlet, wherein the feeding spiral groove 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 provided inside the outer diverter plate, the inner stop plate is installed on the outside of the driving shaft, the bottom of the inner stop plate is connected to a bottom stop 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 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 to enter the interior of the briquetting bin.

[0010] Preferably, the top of the inner limit plate is located inside the feeding spiral groove, and when the feeding spiral groove drives the sludge to descend, the inner limit plate and the outer diverter plate can jointly guide the sludge to make the sludge fall onto the pressing block partition plate, and the bottom of the outer diverter plate is connected to the top of the pressing block partition plate, and the outer diverter plate can block the sludge on the pressing block partition plate; The sewage filtering 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.

[0011] Preferably, the feeding screw is located between the bottom limit plate and the 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 block partition plate, and the distance between the bottom limit plate and the 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.

[0012] 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; A plurality of briquette forming holes are provided inside the briquette extrusion ring, and the plurality of briquette forming holes are annularly and equidistantly distributed inside the briquette extrusion ring, and the outside of the briquette stirring paddle fits with the inside of the briquette extrusion ring.

[0013] Preferably, when the briquetting agitator 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 agitator is squeezed by the briquetting forming hole to form blocks and then discharged from the inside of the briquetting bin.

[0014] Preferably, the blades on the briquetting agitator and the feeding screw are both curved structures, and the bending directions of the blades on the briquetting agitator and the feeding screw are opposite.

[0015] A treatment method uses the above-mentioned domestic waste residual sludge treatment equipment.

[0016] Compared with the prior art, the present invention provides a domestic garbage residual sludge treatment device and treatment method, which has the following beneficial effects: 1. This kind of domestic waste residual sludge treatment equipment can squeeze the sludge to discharge the excess sewage inside it when the feeding screw drives the sludge to move. The discharged sewage is discharged from the inside of the briquetting bin along the sewage discharge outlet after being filtered through the sewage filter hole. When the feeding screw rotates to drive 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 in the process of sludge movement, the sludge can also be squeezed to discharge the sewage inside it through the sewage filter hole and the sewage discharge outlet.

[0017] 2. In this type of domestic waste residual sludge treatment equipment, the driving shaft passes 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 and discharge 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

[0018] Figure 1 The three-dimensional structure of a domestic waste residual sludge treatment device of the present invention is shown in FIG. Figure 1 ; 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; Figure 3 The internal structure of a domestic waste residual sludge treatment device of the present invention is shown in FIG. Figure 2 ; Figure 4 The internal structure of the briquetting bin of a domestic waste residual sludge treatment device of the present invention is shown in FIG. Figure 1 ; Figure 5 The internal structure of the briquetting bin of a domestic waste residual sludge treatment device of the present invention is shown in FIG. Figure 2 ; Figure 6 It is a schematic diagram of the three-dimensional structure of a feeding propeller of a domestic waste residual sludge treatment device according to the present invention; Figure 7 It is a three-dimensional structural schematic diagram of a briquetting mechanism of a domestic waste residual sludge treatment device of the present invention; Figure 8 The present invention is a schematic diagram of the three-dimensional structure of a briquetting extrusion ring of a device for treating residual sludge of domestic waste.

[0019] 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 groove; 82. Outer diverter plate; 83. Sewage filtering hole; 84. Inner limit plate; 85. Bottom limit plate; 86. Loading screw propeller; 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

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0021] As introduced in the background technology, there are deficiencies in the prior art. In order to solve the above technical problems, this application proposes a domestic waste residual sludge treatment device and a treatment method. Embodiment 1

[0022] See also Figure 1 - Figure 8 A domestic waste residual sludge treatment device comprises a supporting base 1, a driving mechanism 2 is installed inside the supporting base 1, a guardrail 3 is installed on the top of the supporting base 1, a discharge port 4 is arranged outside the guardrail 3, a material discharge turntable 5 is installed inside the guardrail 3, a briquetting bin 6 is installed on the top of the material 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; 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; 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 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.

[0023] 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 driving the sludge into the briquetting bin 6, the feeding mechanism 8 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 unloading turntable 5. During operation, the driving mechanism 2 can also drive the unloading turntable 5 to rotate, and when the unloading turntable 5 rotates, it can drive the sludge blocks to move synchronously. When the unloading 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 the subsequent briquetting and affecting the quality of the sludge blocks. Embodiment 2

[0024] 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. A motor gear 22 is installed at the driving end of the driving motor 21, and a shaft gear 23 is installed outside the driving shaft 24; 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.

[0025] When the driving shaft 24 rotates, it can drive the feeding mechanism 8 to move the sludge, and 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. When the unloading turntable 5 rotates, the briquetting bin 6 on the top is connected to the guardrail 3 through the guide plate 7.

[0026] When the driving motor 21 rotates during operation, the driving shaft 24 can be driven to rotate through the meshing connection between the motor gear 22 and the shaft gear 23. When the driving shaft 24 rotates, the unloading turntable 5 can be driven 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, so as to prevent 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. When working, 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. Embodiment 3

[0027] The difference from the above embodiment is that, please refer to Figure 1 - Figure 8 The feeding mechanism 8 includes a feeding spiral groove 81, an outer diverter plate 82, an inner stop plate 84, a feeding screw 86, a briquetting partition plate 87 and a sewage outlet 88. The feeding spiral groove 81 is installed outside the driving shaft 24. The outer diverter plate 82 is installed on the inner wall of the briquetting bin 6, and a sewage filtering hole 83 is opened inside the outer diverter plate 82. The inner stop plate 84 is installed outside the driving shaft 24, and the bottom of the inner stop plate 84 is connected to a bottom stop plate 85. The feeding screw 86 is installed outside the driving shaft 24, the briquetting partition plate 87 is installed inside the briquetting bin 6, and the sewage outlet 88 is installed outside the briquetting bin 6; When the driving shaft 24 rotates, it can drive the unloading spiral groove 81 to rotate synchronously, and when the unloading spiral groove 81 rotates, it can actively drive the sludge to enter the interior of the briquetting bin 6.

[0028] The top of the inner limit plate 84 is located inside the feeding spiral groove 81. When the feeding spiral groove 81 drives the sludge to descend, the inner limit plate 84 and the outer diverter plate 82 can jointly guide the sludge to fall onto the block partition plate 87. The bottom of the outer diverter plate 82 is connected to the top of the block partition plate 87. The outer diverter plate 82 can block the sludge on the block partition plate 87. The sewage filtering holes 83 on the outer diverter plate 82 can filter the 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 .

[0029] The feeding screw 86 is located between the bottom limit plate 85 and the 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 block partition plate 87. The distance between the bottom limit plate 85 and the block partition plate 87 gradually decreases as it approaches the center of the driving shaft 24. 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.

[0030] During operation, the external sludge discharge port discharges the sludge to the top of the unloading spiral groove 81, and when the driving shaft 24 rotates, it can drive the unloading spiral groove 81 to rotate, and when the unloading spiral groove 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 approaching 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 then 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 unloading 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. In the process of 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. Embodiment 4

[0031] 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 outside the driving shaft 24, and the briquetting extrusion ring 92 is installed inside the briquetting bin 6; 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 shape inside the briquette extrusion ring 92 . The outside of the briquette stirring paddle 91 fits with the inside of the briquette extrusion ring 92 .

[0032] When the briquetting agitator 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 agitator 91 is squeezed by the briquetting forming hole 93 to form blocks and then discharged from the inside of the briquetting bin 6.

[0033] The blades on the briquetting stirring paddle 91 and the feeding screw paddle 86 are both curved structures, and the bending directions of the blades on the briquetting stirring paddle 91 and the feeding screw paddle 86 are opposite.

[0034] 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 interior 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. Embodiment 5

[0035] A treatment method, using a domestic waste residual sludge treatment device as in Embodiments 1 to 4, comprises the following steps: When working, first connect the top of the briquetting bin 6 to the external sludge outlet; Driven by the driving mechanism 2, the feeding mechanism 8 can move the sludge and squeeze out the sewage; Driven by the driving mechanism 2, the briquetting mechanism 9 can squeeze the sludge into briquettes; The sludge squeezed into blocks is discharged from the briquetting bin 6 and falls onto the unloading turntable 5; 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 .

[0036] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present 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 arranged outside the guardrail, a material unloading turntable is installed inside the guardrail, a briquetting bin is installed on the top of the material unloading 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.

2. A domestic waste residual sludge treatment equipment according to claim 1, characterized in that: The driving mechanism comprises a driving motor and a driving shaft, wherein the driving motor is installed inside the supporting base, the driving shaft is installed inside the supporting base, a motor gear is installed at the driving end of the driving motor, and a shaft gear is installed outside the driving shaft; 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.

3. A domestic waste residual sludge treatment equipment according to claim 2, characterized in that: 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; When the unloading turntable rotates, the briquetting bin on the top is connected with the guardrail through the guide plate.

4. A domestic waste residual sludge treatment equipment according to claim 3, characterized in that: The feeding mechanism comprises a feeding spiral groove, an outer diverter plate, an inner limit plate, a feeding screw, a briquetting partition plate and a sewage discharge port, wherein the feeding spiral groove is mounted on the outside of the driving shaft, the outer diverter plate is mounted on the inner wall of the briquetting bin, a sewage filtering hole is provided inside the outer diverter plate, the inner limit plate is mounted on the outside of the driving shaft, 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 partition plate is mounted on the inside of the briquetting bin, and the sewage discharge port is mounted 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 to enter the interior of the briquetting bin.

5. A domestic waste residual sludge treatment equipment according to claim 4, characterized in that: The top of the inner limit plate is located inside the feeding spiral groove. When the feeding spiral groove drives the sludge to descend, the inner limit plate and the outer diverter plate can jointly guide the sludge to fall 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 filtering 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.

6. A domestic waste residual sludge treatment equipment according to claim 5, characterized in that: The feeding screw is located between the bottom limit plate and the 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 block partition plate, and the distance between the bottom limit plate and the 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.

7. A domestic waste residual sludge treatment equipment according to claim 6, characterized in that: 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; A plurality of briquette forming holes are provided inside the briquette extrusion ring, and the plurality of briquette forming holes are equidistantly distributed in an annular shape inside the briquette extrusion ring, and the outside of the briquette stirring paddle fits with the inside of the briquette extrusion ring.

8. The equipment for treating residual sludge of domestic waste according to claim 7, 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.

9. The equipment for treating residual sludge of domestic waste according to claim 8, 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.

10. A treatment method using a domestic waste residual sludge treatment device as claimed in any one of claims 1 to 9; 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.

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