Belt type concentration filter press

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a belt type concentration filter press which is used for fully mixing and stirring wastewater and a flocculating agent, can fully react, has a good flocculation effect and improves a water-mud separation effect. Comprising a mixing box, a supporting assembly, a gravity dewatering assembly, a feeding assembly, a mixing assembly and a pushing assembly, the mixing box is installed on the right side of a filter press body through the supporting assembly, the gravity dewatering assembly is installed between the mixing box and a feeding port of the filter press body, the pushing assembly is installed on the upper portion of the gravity dewatering assembly, and the feeding assembly is installed on the top of the mixing box.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sewage treatment especially relates to a belt type concentration filter press. BACKGROUND

[0002] The belt type concentration filter press is a filter press for directly treating sewage without a sedimentation tank, has automatic operation, saves manpower, is easy to maintain and manage, has excellent mechanical performance and good durability, and is suitable for various sludge dewatering. For example, the prior art announcement CN220745668U proposes a belt type concentration filter press, which comprises a machine body, a drain pipe is fixedly connected to the lower end of one side of the machine body, a lower filter belt is arranged at the lower end in the machine body, an upper filter belt is arranged at the upper end in the machine body, a sludge discharge plate is fixedly connected to the upper end of the inner wall of the machine body, a sludge discharge groove is formed in one side of the machine body, a sludge scraping assembly is arranged on the inner wall of the machine body above the sludge discharge groove, a feed hopper is fixedly connected to the other side of the top end of the machine body, a flattening assembly is arranged on one side of the machine body, the flattening assembly can change the distance between the bottom end of the flattening plate and the top end of the upper filter belt through the work of the servo motor, so that the sludge at the top end of the upper filter belt can be blocked and guided by the flattening plate to be evenly flattened on the top end of the upper filter belt, thereby facilitating better subsequent extrusion dewatering operation. However, in the prior art, the mixed sedimentation effect is not good when the sludge is flocculated and precipitated, and part of the sludge is not flocculated into lump-shaped, so that this part of the sludge will directly pass through the filter screen of the gravity dewatering device, which will cause the water and sludge separation to be not ideal, increasing the separation cost. SUMMARY

[0003] To solve the above technical problems, the utility model provides a belt type concentration filter press which can fully mix and stir the wastewater and flocculant, can more fully react, has good flocculation effect, and improves the water and sludge separation effect.

[0004] The utility model discloses a belt type concentration filter press, including mixing box, support subassembly, gravity dehydration subassembly, feed assembly, mixing subassembly and push subassembly, and the mixing box is installed on the right side of filter press main part through the support subassembly, and the gravity dehydration subassembly is installed between the mixing box and the feed inlet of filter press main part, and the push subassembly is installed on the gravity dehydration subassembly upper portion, and the feed assembly is installed on the mixing box top.

[0005] Preferably, the feed assembly includes a water inlet pipe, a dosing pipe, a dosing hopper, a servo motor, two rotating rods and two spiral blades, a mixing cavity is formed in the upper portion of the mixing box, the bottom of the mixing cavity is inclined to the right, the water inlet pipe is connected to the left side of the top of the mixing box, the dosing pipe is installed on the left side of the top of the mixing box, two discharge grooves are formed in the front and back of the bottom of the dosing pipe and communicate with the interior of the mixing box, the dosing hopper is connected to the top of the dosing pipe, the rotating rod is rotatably installed in the middle of the dosing pipe, the front input end of the rotating rod is connected to the output end of the servo motor, and the spiral blades are symmetrically installed on the front and back ends of the rotating rod.

[0006] Preferably, the mixing assembly comprises a transverse stirring shaft, a stirring motor, a drive box, a drive bevel gear, a vertical stirring rod, a plurality of first stirring blades, a plurality of second stirring rods and two support rods, the transverse stirring shaft is rotatably installed in the middle of the mixing chamber, the front end of the transverse stirring shaft is connected with the output end of the stirring motor through the side wall of the mixing box, the middle of the transverse stirring shaft is provided with the drive box, the left and right sides of the drive box are connected with the inner walls of the left and right sides of the mixing chamber through the support rods, the middle of the transverse stirring shaft is provided with the drive bevel gear, the vertical stirring rod is rotatably installed at the top of the mixing chamber, the bottom of the vertical stirring rod is provided with the bevel gear which is installed in the inside of the drive box and is engaged with the drive bevel gear, a plurality of first stirring blades are installed on the outer walls of the front and rear sides of the transverse stirring shaft, and a plurality of second stirring rods are installed on the outer wall of the vertical stirring rod; the stirring motor is started to drive the transverse stirring shaft to rotate, the transverse stirring shaft drives the vertical stirring rod to rotate through the drive bevel gear and the bevel gear, so that the transverse stirring shaft and the vertical stirring rod drive the plurality of first stirring blades and the plurality of second stirring rods to rotate, the two stirring modes can fully mix the sludge and the flocculating agent, the reaction can be more sufficient, the flocculation effect is better, and the water and sludge separation effect is improved.

[0007] Preferably, the gravity dewatering assembly comprises a dewatering box, a dewatering filter belt and a discharge pipe, the left end of the dewatering box is installed on the left side wall of the mixing box, the right end of the dewatering box is connected with the input end of the filter press body, the upper part of the dewatering box is provided with the dewatering filter belt, the discharge pipe is installed on the upper part of the right side wall of the mixing box, the input end of the discharge pipe is communicated with the mixing chamber, a valve is arranged on the discharge pipe, and the output end of the discharge pipe is located above the dewatering filter belt; after the sewage is mixed, the valve is opened, the sewage is discharged onto the dewatering filter belt in the dewatering box through the discharge pipe, free water is separated under the action of gravity, and the subsequent treatment effect is improved.

[0008] Preferably, the pushing assembly comprises two threaded rods, two moving blocks, a pushing plate, two speed changers and a double-output motor, the dewatering box is provided with a pushing sliding groove at the top and the front and rear ends, the threaded rods are rotatably installed in the pushing sliding grooves, the moving blocks are slidably installed in the pushing sliding grooves and are screwed on the outer walls of the threaded rods, the pushing plate is installed between the two moving blocks, the middle of the pushing plate is in contact with the upper surface of the dewatering filter belt, the lower part of the mixing box is provided with a mounting cavity, the left end of the threaded rod is connected with the output end of the speed changer through the input of the mounting cavity, the double-output motor is installed between the two speed changers, the front and rear output ends of the double-output motor are connected with the input ends of the speed changers, and the waterproof box cover is installed outside the speed changer and the double-output motor; the double-output motor is started to drive the threaded rods to rotate through the speed changer, the threaded rods drive the moving blocks to move in the pushing sliding grooves, the pushing plate moves on the surface of the dewatering filter belt, the sludge is uniformly dispersed, free water is separated under the action of gravity, the sludge in a non-flowing state is formed, and then is input into the filter press body to gradually extrude the sludge, so that the sludge and water are separated to the maximum extent.

[0009] Preferably, the supporting assembly comprises a bottom plate, a plurality of supports and a plurality of reinforcing frames, the top right end of the bottom plate is connected with the bottom of the filter press body, a plurality of supports are installed at the top left end of the bottom plate, the top of the support is connected with the bottom of the dewatering tank and the mixing tank, the top of the support is provided with a reinforcing frame, and the top of the reinforcing frame is connected with the bottom of the dewatering tank and the mixing tank; the bottom of the dewatering tank and the mixing tank is supported by the support and the bottom plate, so that the stability is guaranteed, and the reinforcing frame can increase the connection strength between the support and the dewatering tank and the mixing tank.

[0010] Preferably, the utility model also includes a guide inclined plate and a water outlet pipe, a water collecting cavity is formed in the lower part of the dewatering tank, and the left end of the water collecting cavity is communicated with the mounting cavity at the bottom of the mixing tank, the guide inclined plate is installed in the water collecting cavity, the bottom of the mounting cavity is connected with the water outlet pipe, and the water outlet pipe is provided with a drain valve; the separated free water falls into the water collecting cavity in the lower part of the dewatering tank, is guided by the guide inclined plate, enters the mounting cavity, and can be discharged through the water outlet pipe by opening the valve on the water outlet pipe.

[0011] Compared with the prior art, the utility model has the beneficial effects that: the mixing tank and the gravity dewatering assembly are supported by the supporting assembly, the wastewater and the flocculating agent are uniformly input into the mixing tank through the reducing assembly, the wastewater and the flocculating agent are fully mixed and stirred through the mixing assembly, the reaction is more sufficient, the flocculation effect is better, and therefore the water and mud separation effect is improved, the sludge is uniformly dispersed through the gravity dewatering assembly and the pushing assembly, free water is separated under the action of gravity, the sludge in a non-flowing state is formed, and then is input into the filter press body, the sludge is gradually extruded, so that the sludge and water are separated to the maximum extent, finally, the filter cake is discharged through the discharge nozzle, and the water and mud separation effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a lower part three-dimensional structural schematic diagram of the utility model;

[0014] Figure 3 It is a mixing tank internal structure schematic diagram of the utility model;

[0015] Figure 4 It is a front part cross section structure schematic diagram of the utility model;

[0016] Figure 5 It is a structural schematic diagram of the pushing assembly of the utility model;

[0017] Marked in the drawing: 1, filter press main body; 2, bottom plate; 3, support; 4, dehydration tank; 5, mixing tank; 6, dehydration filter belt; 7, reinforcing frame; 8, transverse stirring shaft; 9, stirring motor; 10, drive box; 11, drive bevel gear; 12, vertical stirring rod; 13, first stirring blade; 14, second stirring rod; 15, water inlet pipe; 16, dosing pipe; 17, dosing hopper; 18, servo motor; 19, rotating rod; 20, spiral blade; 21, support rod; 22, guide inclined plate; 23, water outlet pipe; 24, threaded rod; 25, moving block; 26, push plate; 27, transmission; 28, double-output motor; 29, discharge pipe; 30, waterproof tank. DETAILED DESCRIPTION

[0018] For the purpose of facilitating the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0019] As Figures 1 to 5As shown, the mixing box 5 is provided with a mixing chamber in the upper part, and the bottom of the mixing chamber is inclined to the right. The water inlet pipe 15 is connected to the top left side of the mixing box 5, and the dosing pipe 16 is installed on the top left side of the mixing box 5. The dosing pipe 16 is provided with discharge grooves on the front and back sides of the bottom, which are communicated with the inside of the mixing box 5. The dosing pipe 16 is provided with a dosing hopper 17 on the top. The rotating rod 19 is rotatably installed in the middle of the dosing pipe 16. The front input end of the rotating rod 19 is connected to the output end of the servo motor 18. The rotating rod 19 is provided with helical blades 20 symmetrically installed on the front and back ends. The transverse stirring shaft 8 is rotatably installed in the middle of the mixing chamber. The front end of the transverse stirring shaft 8 penetrates through the side wall of the mixing box 5 and is connected to the output end of the stirring motor 9. The driving box 10 is installed in the middle of the transverse stirring shaft 8. The driving box 10 is connected to the left and right inner walls of the mixing chamber through the support rods 21. The driving bevel gear 11 is installed in the middle of the transverse stirring shaft 8. The vertical stirring rod 12 is rotatably installed on the top of the mixing chamber. The bottom of the vertical stirring rod 12 extends into the inside of the driving box 10 and is provided with a bevel gear. The bevel gear is engaged with the driving bevel gear 11. A plurality of first stirring blades 13 are installed on the outer walls of the transverse stirring shaft 8. A plurality of second stirring rods 14 are installed on the outer wall of the vertical stirring rod 12. The dehydration box 4 is installed on the left side wall of the mixing box 5. The right end of the dehydration box 4 is connected to the input end of the filter press main body 1. The dehydration filter belt 6 is installed on the upper part of the dehydration box 4. The discharge pipe 29 is installed on the upper part of the right side wall of the mixing box 5. The input end of the discharge pipe 29 is communicated with the mixing chamber. The discharge pipe 29 is provided with a valve. The output end of the discharge pipe 29 is located above the dehydration filter belt 6. The top of the dehydration box 4 is provided with a pushing sliding groove. The threaded rod 24 is rotatably installed in the pushing sliding groove. The moving block 25 is slidably installed in the pushing sliding groove. The moving block 25 is screwed on the outer wall of the threaded rod 24. The pushing plate 26 is installed between the two moving blocks 25. The middle part of the pushing plate 26 is in contact with the upper surface of the dehydration filter belt 6. The lower part of the mixing box 5 is provided with an installation cavity. The left end of the threaded rod 24 is connected to the output end of the transmission 27. The two transmissions 27 are provided with a double-output motor 28. The front and back output ends of the double-output motor 28 are connected to the input ends of the transmissions 27. The waterproof box 30 is installed on the outside of the transmissions 27 and the double-output motor 28. The top right end of the bottom plate 2 is connected to the bottom of the filter press main body 1. The top left end of the bottom plate 2 is provided with a plurality of supports 3. The top of the support 3 is connected to the bottom ends of the dehydration box 4 and the mixing box 5. The top of the support 3 is provided with a reinforcing frame 7. The top of the reinforcing frame 7 is connected to the bottom of the dehydration box 4 and the mixing box 5. The dehydration box 4 is provided with a water collecting cavity in the lower part. The left end of the water collecting cavity is communicated with the installation cavity in the bottom of the mixing box 5. The guide inclined plate 22 is installed in the water collecting cavity. The water outlet pipe 23 is connected to the bottom of the installation cavity. The water outlet pipe 23 is provided with a drain valve.

[0020] The dehydration tank 4 and the mixing tank 5 are supported at the bottom by the support 3 and the bottom plate 2 to ensure stability, and the frame 7 can increase the strength of the connection between the support 3 and the dehydration tank 4 and the mixing tank 5. The sewage is input into the mixing cavity of the mixing tank 5 through the water inlet pipe 15, and the flocculating agent is added into the dosing hopper 17. The servo motor 18 is started to drive the rotating rod 19 to rotate, and the rotating rod 19 drives the spiral blade 20 to rotate to transport the flocculating agent to the front and back sides. The flocculating agent is uniformly added into the mixing cavity through the discharge chute to ensure the subsequent quality. The stirring motor 9 is started to drive the horizontal stirring shaft 8 to rotate. The horizontal stirring shaft 8 drives the vertical stirring rod 12 to rotate through the driving bevel gear 11 and the bevel gear, so that the horizontal stirring shaft 8 and the vertical stirring rod 12 drive multiple groups of first stirring blades 13 and multiple groups of second stirring rods 14 to rotate. The two stirring modes can fully mix the sludge and the flocculating agent, and the reaction can be more sufficient, the flocculation effect is better, and the water and sludge separation effect is improved. After the sewage is mixed, the valve is opened to discharge the sewage through the discharge pipe 29 to the dehydration filter belt 6 in the dehydration tank 4. The double-output motor 28 is started to drive the threaded rod 24 to rotate through the speed changer 27. The threaded rod 24 drives the moving block 25 to move in the pushing chute, and the pushing plate 26 moves on the surface of the dehydration filter belt 6. The sludge is uniformly dispersed, so that the free water is separated under the action of gravity, and the sludge in a non-flowing state is formed. Then, the sludge is input into the filter press main body 1, and the sludge is gradually extruded to achieve the maximum separation of the sludge and the water. The separated free water falls into the water collecting cavity at the lower part of the dehydration tank 4, and is guided into the installation cavity through the guide inclined plate 22. The valve on the water outlet pipe 23 is opened, and the water outlet pipe 23 can be discharged.

[0021] As Figures 1 to 5As shown, the belt type concentration filter press, when working, sewage is input into the mixing cavity of the mixing box 5 through the water inlet pipe 15, and the flocculating agent is added into the dosing hopper 17, the servo motor 18 is started to drive the rotating rod 19 to rotate, the rotating rod 19 drives the spiral blade 20 to rotate to transport the flocculating agent to the front and rear sides, the flocculating agent is uniformly added into the mixing cavity through the discharge chute, the stirring motor 9 is started to drive the horizontal stirring shaft 8 to rotate, the horizontal stirring shaft 8 drives the vertical stirring rod 12 to rotate through the driving bevel gear 11 and the bevel gear, so that the horizontal stirring shaft 8 and the vertical stirring rod 12 drive the plurality of first stirring blades 13 and the plurality of second stirring rods 14 to rotate, two kinds of stirring modes are used to fully mix the sludge and the flocculating agent, and the sewage mixing is completed, the valve is opened to discharge the sewage to the dehydration filter belt 6 in the dehydration box 4 through the discharge pipe 29, the double-output motor 28 is started to drive the threaded rod 24 to rotate through the speed changer 27, the threaded rod 24 drives the moving block 25 to move in the pushing sliding groove, the pushing plate 26 moves on the surface of the dehydration filter belt 6, the sludge is uniformly dispersed, free water is separated under the action of gravity, and the sludge in a non-flowing state is formed and then input into the filter press main body 1, the sludge is gradually extruded to achieve maximum sludge and water separation, the separated free water falls into the water collecting cavity at the lower part of the dehydration box 4 and is guided into the mounting cavity through the guide inclined plate 22, the valve on the water outlet pipe 23 is opened, and the water outlet pipe 23 can be discharged.

[0022] The dehydration filter belt 6, the stirring motor 9, the servo motor 18, the speed changer 27 and the double-output motor 28 of the belt type concentration filter press are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0023] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, without departing from the technical principle of the utility model, a plurality of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A belt-type thickening filter press, characterized in that, It includes a mixing box (5), a support assembly, a gravity dewatering assembly, a feeding assembly, a mixing assembly, and a pushing assembly. The mixing box (5) is installed on the right side of the filter press body (1) via the support assembly. A gravity dewatering assembly is installed between the mixing box (5) and the feed inlet of the filter press body (1). A pushing assembly is installed on the upper part of the gravity dewatering assembly. A feeding assembly is installed on the top of the mixing box (5). The feeding assembly includes a water inlet pipe (15), a dosing pipe (16), a dosing hopper (17), a servo motor (18), two rotating rods (19) and two spiral blades (20). The mixing chamber (5) has a mixing cavity at the top, and the bottom of the mixing cavity is tilted to the right. The water inlet pipe (15) is connected to the top left side of the mixing chamber (5). The dosing pipe (16) is installed on the top left side of the mixing chamber (5). The bottom front and rear sides of the dosing pipe (16) have a discharge trough communicating with the inside of the mixing chamber (5). The top of the dosing pipe (16) is connected to the dosing hopper (17). The rotating rod (19) is rotatably installed in the middle of the dosing pipe (16). The front input end of the rotating rod (19) is connected to the output end of the servo motor (18). Spiral blades (20) are symmetrically installed at the front and rear ends of the rotating rod (19). The mixing assembly includes a horizontal stirring shaft (8), an agitator motor (9), a drive box (10), a drive bevel gear (11), a vertical stirring rod (12), multiple sets of first stirring blades (13), multiple sets of second stirring rods (14), and two support rods (21). The horizontal stirring shaft (8) is rotatably installed in the middle of the mixing chamber. The front end of the horizontal stirring shaft (8) passes through the side wall of the mixing box (5) and is connected to the output end of the agitator motor (9). The drive box (10) is installed in the middle of the horizontal stirring shaft (8). The drive box (10) is located on the left side. The right sides are connected to the inner walls of the left and right sides of the mixing chamber by support rods (21). A drive bevel gear (11) is installed in the middle of the horizontal stirring shaft (8). The vertical stirring rod (12) is rotatably installed on the top of the mixing chamber. The bottom of the vertical stirring rod (12) extends into the drive box (10) and is equipped with a bevel gear. The bevel gear meshes with the drive bevel gear (11). Multiple sets of first stirring blades (13) are installed on the outer walls of the front and rear sides of the horizontal stirring shaft (8). Multiple sets of second stirring rods (14) are installed on the outer wall of the vertical stirring rod (12). The gravity dewatering assembly includes a dewatering tank (4), a dewatering filter belt (6), and a discharge pipe (29). The left end of the dewatering tank (4) is installed on the left side wall of the mixing tank (5), and the right end of the dewatering tank (4) is connected to the input end of the filter press body (1). The dewatering filter belt (6) is installed on the upper part of the dewatering tank (4). The discharge pipe (29) is installed on the upper part of the right side wall of the mixing tank (5). The input end of the discharge pipe (29) is connected to the mixing chamber. A valve is provided on the discharge pipe (29), and the output end of the discharge pipe (29) is located above the dewatering filter belt (6). The pushing assembly includes two threaded rods (24), two moving blocks (25), a pushing plate (26), two gearboxes (27), and a dual-output motor (28). The top and rear ends of the dewatering tank (4) are provided with pushing grooves. The threaded rods (24) are rotatably installed in the pushing grooves. The moving blocks (25) are slidably installed in the pushing grooves and screwed onto the outer wall of the threaded rods (24). The pushing plate (26) is installed between the two moving blocks (25). The middle part of the pushing plate (26) contacts the upper surface of the dewatering filter belt (6). The lower part of the mixing tank (5) is provided with an installation cavity. The left end of the threaded rods (24) is connected to the output end of the gearboxes (27) in the installation cavity. The dual-output motor (28) is installed between the two gearboxes (27). The front and rear output ends of the dual-output motor (28) are connected to the input ends of the gearboxes (27). The waterproof box (30) is installed on the outside of the gearboxes (27) and the dual-output motor (28).

2. The belt thickener filter press as described in claim 1, characterized in that, The support assembly includes a base plate (2), multiple brackets (3) and multiple reinforcing frames (7). The top right end of the base plate (2) is connected to the bottom of the filter press body (1). Multiple brackets (3) are installed on the top left end of the base plate (2). The top of the brackets (3) is connected to the bottom of the dewatering tank (4) and the mixing tank (5). The top of the brackets (3) is installed with reinforcing frames (7). The top of the reinforcing frames (7) is connected to the bottom of the dewatering tank (4) and the mixing tank (5).

3. A belt filter press for thickening as described in claim 1, characterized in that, It also includes a guide plate (22) and a water outlet pipe (23). The lower part of the dehydration tank (4) is provided with a water collection chamber, and the left end of the water collection chamber is connected to the installation cavity at the bottom of the mixing tank (5). The guide plate (22) is installed in the water collection chamber, and the bottom of the installation cavity is connected to the water outlet pipe (23). A drain valve is provided on the water outlet pipe (23).

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