Water removal extrusion mechanism of sludge treatment system

Abstract

The utility model discloses a dewatering extrusion mechanism of a sludge treatment system, which comprises a dewatering tank and a threaded sleeve, an annular clamping groove is arranged on the side of a feed port, a clamping ring is clamped in an inner cavity of the annular clamping groove, the bottom of the clamping ring is fixedly connected with a filter bag, two sides of an inner cavity of the dewatering tank are rotatably connected with rotating screw rods, and the rotating screw rods are connected with the threaded sleeve. The two ends of the surface of the rotating lead screw are both in threaded connection with threaded sleeves, one sides of the four threaded sleeves are fixedly connected with the two ends of two extrusion plates correspondingly, a driving motor is fixedly installed at the top of one side of the water removal box, an electric telescopic rod is fixedly installed in the middle of the cross-shaped fixing frame, and the movable end of the electric telescopic rod is fixedly connected with an arc-shaped supporting plate. According to the dewatering extrusion mechanism of the sludge treatment system, the driving motor works to drive the two extrusion plates to gradually extrude sludge in the inner cavity of the filter bag, sewage flows out through the filter bag, the sludge is filtered in the inner cavity of the filter bag, and even if the sludge deforms, the sludge cannot be extruded out along with the sewage.

Description

Technical Field

[0001] The utility model relates to the technical field of water removal equipment, in particular to a water removal squeezing mechanism of a sludge treatment system. Background Art

[0002] After sewage treatment, sedimentation will inevitably occur, and sludge and other solid pollutants, such as blue algae and water hyacinth, will remain. Sludge and pollutants have a high water content, so they are large in size, difficult to store and transport, and even more inconvenient for subsequent resource utilization. In order to reduce the water content of sludge, etc. in the project, dehydration equipment is usually used to dehydrate the sludge.

[0003] Existing water removal equipment mainly removes water by directly squeezing the sludge. The sludge is deformed after being subjected to pressure and is easily squeezed out from the seepage holes, thereby causing the mud-water separation to fail. Utility Model Content

[0004] The purpose of the utility model is to provide a dewatering extrusion mechanism for a sludge treatment system to solve the problem that the existing dewatering equipment proposed in the above background technology mainly removes water by directly squeezing the sludge, the sludge is deformed after being subjected to pressure, and is easily squeezed out from the seepage holes, thereby causing the mud-water separation to fail.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a dewatering extrusion mechanism of a sludge treatment system, comprising a dewatering box and a threaded sleeve, the top of the dewatering box is provided with a feed port, the side of the feed port is provided with an annular groove, the inner cavity of the annular groove is clamped with a clamping ring, the bottom of the clamping ring is fixedly connected with a filter bag, both sides of the inner cavity of the dewatering box are rotatably connected with a rotating screw rod, both ends of the surface of the rotating screw rod are threadedly connected with a threaded sleeve, one side of the four threaded sleeves are respectively fixedly connected to the two ends of two extrusion plates, a driving motor is fixedly installed on the top of one side of the dewatering box, and the output end of the driving motor is fixedly connected to one end of one of the rotating screw rods, the bottom of the inner cavity of the dewatering box is fixedly connected with a cross fixing frame, the middle part of the cross fixing frame is fixedly installed with an electric telescopic rod, the movable end of the electric telescopic rod is fixedly connected with an arc support plate, and the arc support plate is located at the bottom of the filter bag.

[0006] Preferably, a connecting flange is placed on the top of the retaining ring, and a hopper is fixedly connected to the top of the connecting flange. A number of locking bolts are equidistantly connected to the surface of the connecting flange, and the bottom of the locking bolts passes through the retaining ring and is threadedly connected to the inner cavity of the annular groove, so as to facilitate the disassembly of the hopper and the retaining ring.

[0007] Preferably, a guide groove is provided at the bottom of the inner cavity of the dewatering tank, and a drainage pipe is fixedly connected to one side of the bottom of the dewatering tank. The anti-squeeze sewage flows through the guide groove to the vicinity of the drainage pipe and then is discharged.

[0008] Preferably, an inspection plate is fixedly connected to the middle of the front side of the water removal tank by bolts, and a plurality of through holes are provided on the surface of the arc-shaped support plate, so that the inspection plate can easily lift up the filter bag.

[0009] Preferably, a synchronous wheel is sleeved on one end of the rotating screw away from the driving motor, and the two synchronous wheels are connected by a synchronous belt transmission, and the two rotating screws are driven to rotate synchronously by the synchronous wheel and the top belt.

[0010] Preferably, a switch panel is fixedly installed on the front of the water removal tank, and the drive motor and the electric telescopic rod are electrically connected to an external power supply through the switch panel to control the switch of the drive motor and the electric telescopic rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The driving motor drives the two rotating screws to rotate synchronously. The rotation of the rotating screw drives the two extrusion plates to move toward each other. The two extrusion plates gradually squeeze the sludge in the inner cavity of the filter bag. The sewage flows through the filter bag to the guide groove and then is discharged from the drain pipe. The sludge is filtered in the inner cavity of the filter bag and will not be squeezed out with the sewage.

[0013] 2. The hopper, connecting flange and clamping ring can be removably installed in the inner cavity of the annular groove through locking bolts, which is convenient for replacing the filter bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 It is an enlarged view of part A of the utility model;

[0017] Figure 4 It is an enlarged view of part B of the utility model.

[0018] In the figure: 1. dewatering tank; 2. feed inlet; 3. annular groove; 4. retaining ring; 5. filter bag; 6. rotating screw; 7. through hole; 8. threaded sleeve; 9. extrusion plate; 10. synchronous wheel; 11. synchronous belt; 12. driving motor; 13. cross fixing bracket; 14. electric telescopic rod; 15. arc-shaped support plate; 16. guide groove; 17. drain pipe; 18. connecting flange; 19. hopper; 20. locking bolt; 21. inspection panel; 22. switch panel. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides a dewatering and squeezing mechanism of a sludge treatment system, including a dewatering box 1 and a threaded sleeve 8. A feed port 2 is provided on the top of the dewatering box 1, and an annular groove 3 is provided on the side of the feed port 2. A clamping ring 4 is clamped in the inner cavity of the annular groove 3, and a filter bag 5 is fixedly connected to the bottom of the clamping ring 4. Rotating screws 6 are rotatably connected to both sides of the inner cavity of the dewatering box 1, and threaded sleeves 8 are threadedly connected to both ends of the surface of the rotating screw 6. One side of the four threaded sleeves 8 is respectively fixedly connected to the two ends of two squeezing plates 9. A driving motor 12 is fixedly installed on the top of one side of the dewatering box 1, and the output end of the driving motor 12 is fixedly connected to one end of one of the rotating screws 6. A cross-fixed screw 6 is fixedly connected to the bottom of the inner cavity of the dewatering box 1. The fixed frame 13 and the middle part of the cross fixed frame 13 are fixedly installed with an electric telescopic rod 14, and the movable end of the electric telescopic rod 14 is fixedly connected with an arc-shaped support plate 15, and the arc-shaped support plate 15 is located at the bottom of the filter bag 5; the sludge is poured into the inner cavity of the filter bag 5 through the hopper 19, and then the operation of the driving motor 12 is controlled, and the operation of the driving motor 12 drives the synchronous rotation of the two rotating screws 6, and the two ends of the rotating screw 6 are respectively threadedly connected with the threaded sleeve 8, and the threads opened at the two ends of the rotating screw 6 are in opposite directions, thereby driving the two extrusion plates 9 to move toward each other, and the sludge in the inner cavity of the filter bag 5 is gradually squeezed by the two extrusion plates 9, and the sludge is filtered in the inner cavity of the filter bag 5, and even if it is deformed, it will not be squeezed out with the sewage.

[0021] See also Figure 1-4 Furthermore, a connecting flange 18 is placed on the top of the clamping ring 4, and a hopper 19 is fixedly connected to the top of the connecting flange 18. A plurality of locking bolts 20 are equidistantly connected to the surface of the connecting flange 18, and the bottom of the locking bolts 20 passes through the clamping ring 4 and is threadedly connected to the inner cavity of the annular groove 3. The hopper 19, the connecting flange 18 and the clamping ring 4 are detachably installed in the inner cavity of the annular groove 3 through the locking bolts 20, so as to facilitate the replacement of the filter bag 5.

[0022] See also Figure 1-4 Furthermore, a guide groove 16 is provided at the bottom of the inner cavity of the water removal tank 1, and a drainage pipe 17 is fixedly connected to one side of the bottom of the water removal tank 1 to facilitate the discharge of sewage.

[0023] See also Figure 1-4Furthermore, an inspection plate 21 is fixedly connected to the middle of the front of the water removal tank 1 by bolts, and a plurality of through holes 7 are provided on the surface of the arc-shaped support plate 15, so as to facilitate opening the inspection plate 21 to clean the interior of the water removal tank 1.

[0024] See also Figure 1-4 Furthermore, a synchronous wheel 10 is sleeved on one end of the rotating screw rod 6 away from the driving motor 12, and the two synchronous wheels 10 are connected by a synchronous belt 11, so that the two rotating screw rods 6 rotate synchronously.

[0025] See also Figure 1-4 Furthermore, in addition to the switch panel 22 fixedly installed on the front of the water tank 1, the drive motor 12 and the electric telescopic rod 14 are electrically connected to the external power supply through the switch panel 22 to control the switch of the electrical equipment.

[0026] During specific use, the sludge is first poured into the inner cavity of the filter bag 5 through the hopper 19, and then the operation of the driving motor 12 is controlled. The operation of the driving motor 12 drives one of the rotating screws 6 to rotate. The two rotating screws 6 are connected through the synchronous wheel 10 and the synchronous belt 11, thereby driving the synchronous rotation of the two rotating screws 6. The two ends of the rotating screw 6 are respectively threadedly connected with the threaded sleeve 8, and the threads opened at the two ends of the rotating screw 6 are in opposite directions, thereby driving the two extrusion plates 9 to move toward each other, and the sludge in the inner cavity of the filter bag 5 is gradually squeezed by the two extrusion plates 9. The sewage flows through the filter bag 5 to the guide groove 16 and then is discharged from the drain pipe 17. The sludge is filtered in the inner cavity of the filter bag 5 and will not be squeezed out with the sewage. After the extrusion is completed, the electric telescopic rod 14 is opened, and the arc support plate 15 is driven to rise by the extension of the electric telescopic rod 14. The filter bag 5 is gradually pushed out to the vicinity of the feed port 2 through the arc support plate 15, and then the material can be discharged.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dewatering and squeezing mechanism for a sludge treatment system, comprising a dewatering tank (1) and a threaded sleeve (8), characterized in that: The top of the dewatering box (1) is provided with a feed port (2), the side of the feed port (2) is provided with an annular groove (3), the inner cavity of the annular groove (3) is clamped with a clamping ring (4), the bottom of the clamping ring (4) is fixedly connected with a filter bag (5), both sides of the inner cavity of the dewatering box (1) are rotatably connected with a rotating screw (6), both ends of the surface of the rotating screw (6) are threadedly connected with a threaded sleeve (8), one side of the four threaded sleeves (8) is respectively fixedly connected to the two ends of two extrusion plates (9) A driving motor (12) is fixedly installed on the top of one side of the dewatering box (1), and the output end of the driving motor (12) is fixedly connected to one end of one of the rotating screws (6); a cross fixing frame (13) is fixedly connected to the bottom of the inner cavity of the dewatering box (1); an electric telescopic rod (14) is fixedly installed in the middle of the cross fixing frame (13); the movable end of the electric telescopic rod (14) is fixedly connected to an arc-shaped support plate (15), and the arc-shaped support plate (15) is located at the bottom of the filter bag (5).

2. The dewatering and squeezing mechanism of a sludge treatment system according to claim 1, characterized in that: A connecting flange (18) is placed on the top of the clamping ring (4), and a hopper (19) is fixedly connected to the top of the connecting flange (18). A plurality of locking bolts (20) are equidistantly connected to the surface of the connecting flange (18), and the bottom of the locking bolts (20) passes through the clamping ring (4) and is threadedly connected to the inner cavity of the annular clamping groove (3).

3. The dewatering and squeezing mechanism of a sludge treatment system according to claim 1, characterized in that: A guide groove (16) is provided at the bottom of the inner cavity of the dewatering box (1), and a drainage pipe (17) is fixedly connected to one side of the bottom of the dewatering box (1).

4. The dewatering and squeezing mechanism of a sludge treatment system according to claim 1, characterized in that: A repair plate (21) is fixedly connected to the middle of the front side of the dewatering box (1) by means of bolts, and a plurality of through holes (7) are formed on the surface of the arc-shaped supporting plate (15).

5. The dewatering and squeezing mechanism of a sludge treatment system according to claim 1, characterized in that: A synchronous wheel (10) is sleeved on one end of the rotating screw rod (6) away from the driving motor (12), and the two synchronous wheels (10) are connected by a synchronous belt (11).

6. The dewatering and squeezing mechanism of a sludge treatment system according to claim 1, characterized in that: A switch panel (22) is fixedly installed on the front of the dewatering tank (1), and the drive motor (12) and the electric telescopic rod (14) are both electrically connected to an external power source via the switch panel (22).

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