Sludge treatment and purification device

Abstract

The utility model belongs to the technical field of sludge treatment, and particularly relates to a sludge treatment and purification device. The sludge treatment and purification device comprises a tank frame, a sewage tank body, a sewage tank cover, a motor, a fixing assembly and a stirring paddle, the sewage tank body is installed on the front side of the tank frame, a sewage outlet is formed in the bottom of the sewage tank body, the bottom of the sewage tank body is conical, and the bottom of the sewage tank body is provided with a water inlet. The right side of the sewage tank body is provided with a water outlet, the sewage tank cover is connected to the top of the sewage tank body, the top of the sewage tank cover is provided with an exhaust hole, the motor is fixedly installed on the top of the sewage tank cover through bolts, the fixing assembly is connected to the outer side of an output shaft of the motor, and the stirring paddle is connected with the output shaft of the motor through the fixing assembly. According to the utility model, part of impurities in flocculated sludge are filtered on the stirring paddle impeller in the stirring process through the filtering holes formed in the stirring paddle impeller, so that the effect of carrying out basic impurity removal on the flocculated sludge is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sludge treatment, and in particular relates to a sludge treatment and purification device. Background Art

[0002] Sludge refers to the sediment, particulate matter and floating matter produced during sewage treatment. It is separated from wastewater by physical methods. It is a viscous substance between liquid and solid. The concentration of suspended solids is 1%-10%. The organic matter content in sludge solids is high and it is easy to rot and stink. Sludge treatment and purification refers to the process of reducing, stabilizing and harmless sludge by concentrating, conditioning, dehydrating, stabilizing, drying or incinerating.

[0003] At present, in the existing sludge treatment and purification process, before concentrating the sewage in the sewage collection tank, it is necessary to pour the well-proportioned flocculant into the sewage collection tank according to the volume of the sewage, and stir the sewage to precipitate the sludge contained in the sewage. However, after the precipitation is completed, some impurities contained in the sewage will be transported to the concentration tank along with the precipitated sludge. After working for a long time, a lot of impurities will remain in the concentration tank, affecting the working quality of the concentration tank.

[0004] Therefore, there is an urgent need to propose a sludge treatment and purification device for removing impurities from sewage during the sewage mixing process. Utility Model Content

[0005] In order to overcome the shortcoming that impurities in sewage after precipitation are transported to a concentration tank along with sludge, the utility model provides a sludge treatment and purification device for removing impurities from sewage during the sewage stirring process.

[0006] In order to solve the above technical problems, the utility model provides a sludge treatment and purification device, comprising: a tank frame, a sewage tank body, a sewage tank cover, a motor, a fixing assembly and a stirring paddle; the sewage tank body is installed on the tank frame, and a sewage outlet and a water outlet are provided on the sewage tank body; the sewage tank cover is arranged on the top of the sewage tank body, and an exhaust hole is provided on the sewage tank cover; the motor is installed on the top of the sewage tank cover, and the output end of the motor extends into the sewage tank body; the fixing assembly is connected to the end of the motor output shaft; the stirring paddle is detachably connected to the outer side of the motor output shaft through the fixing assembly; the fixing assembly comprises: a chassis, a small bevel gear, a large bevel gear, a track plate, The chassis is fixedly connected to the output end of the motor, and the chassis is a cylindrical block hollowed out in the middle, and three grooves are opened on the chassis; there are three small bevel gears, and the three small bevel gears are respectively rotatably connected in the three grooves on the chassis; the large bevel gear is rotatably connected to the top of the chassis, and the large bevel gear is meshed with the three small bevel gears, and the top of the large bevel gear is a flat thread; the track plate is connected to the top of the chassis and surrounds the flat thread on the top of the large bevel gear, and three evenly spaced sliding grooves are opened on the top of the track plate; the three claws slide between the sliding grooves opened on the track plate and the flat thread on the top of the large bevel gear; the chuck cover is connected to the top of the track plate.

[0007] Preferably, it also includes: a spray device, which is fixedly installed on the bottom of the tank rack through a mounting base, the spray device is located at the rear side of the concentration device, and the top of the spray device is connected to the top of the gas collection device.

[0008] Preferably, it also includes: a cylinder, a connecting frame and a guide rod, the cylinder is installed on the left side of the sewage tank body, the connecting frame is connected to the top of the sewage tank cover, and the connecting frame is connected to the cylinder piston rod; the guide rod is connected to the right side of the sewage tank body, and the connecting frame and the guide rod are slidably matched.

[0009] Preferably, the impeller of the stirring paddle is provided with circular filter holes distributed at intervals.

[0010] Preferably, the method further comprises: a water storage device arranged on the tank rack, wherein the outlet of the water pipe of the water storage device is connected with the water outlet opened on the sewage tank body.

[0011] Preferably, the method further comprises: a concentrating device arranged on the tank frame, wherein the sludge collecting pipe outlet of the concentrating device is connected with the sewage outlet provided on the sewage tank body.

[0012] Preferably, it also includes: a gas collecting device arranged on the tank rack, wherein the outlet of the gas collection pipe of the gas collecting device is connected to the exhaust port opened on the concentration device.

[0013] Beneficial effects: 1. The utility model drives the stirring paddle to rotate at high speed through a motor, and the flocculation liquid is fully integrated with the sewage during the stirring process, so as to achieve the effect of rapid flocculation of the sludge in the sewage;

[0014] 2. The utility model uses the filter holes on the stirring impeller to filter some impurities in the flocculated sludge on the stirring impeller during the stirring process, thereby achieving the effect of basic impurity removal of the flocculated sludge;

[0015] 3. The utility model extends the cylinder piston rod to lift the sewage tank cover and the stirring paddle upward to the upper dead point of the piston rod, so that it is convenient for workers to disassemble the stirring paddle impeller;

[0016] 4. The utility model rotates the small bevel gear clockwise to mesh the large bevel gear with the small bevel gear, and allows the claw to slide outward synchronously to cancel the fixation of the stirring paddle, so that the stirring paddle rod can be removed and the stirring paddle body can be cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 2 The utility model is a schematic diagram of the three-dimensional structure of the sewage tank body and the sewage tank cover being cut open.

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the motor and stirring paddle of the utility model.

[0020] Figure 4 It is an exploded view of the chuck cover, claw track plate, large bevel gear and other components of the utility model.

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the utility model including the connecting frame, guide rods, cylinders and other components.

[0022] Figure 6 It is a plan schematic diagram of the sewage tank body, sewage tank cover and water storage equipment of the utility model from the right perspective.

[0023] Figure 7 It is a three-dimensional structural schematic diagram of the concentration equipment and gas collection equipment of the utility model.

[0024] Figure 8 It is a three-dimensional structural schematic diagram of the gas collecting equipment and the spraying equipment of the utility model.

[0025] Fig. 9 It is a three-dimensional structural schematic diagram of the spraying equipment of the utility model.

[0026] The marks in the attached drawings are: 1-tank rack, 2-sewage tank body, 3-sewage tank cover, 4-motor, 5-fixed assembly, 51-chassis, 52-small bevel gear, 53-large bevel gear, 54-track plate, 55-claw, 56-chuck cover, 6-stirring paddle, 7-water storage equipment, 8-concentration equipment, 9-gas collection equipment, 10-spraying equipment, 311-cylinder, 312-connecting frame, 313-guide rod. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0028] Embodiment: A sludge treatment and purification device, such as Figure 1-Figure 8As shown, it includes a tank rack 1, a sewage tank body 2, a sewage tank cover 3, a motor 4, a fixing assembly 5, a stirring paddle 6, a water storage device 7, a concentration device 8 and a gas collection device 9. The top of the tank rack 1 is symmetrically arranged with stainless steel safety handrails, which are used for maintenance of the tank rack 1 and for enclosure of various equipment installed on the tank rack 1. The open platform on the right side of the top of the tank rack 1 is convenient for workers to inspect and repair various equipment installed on the tank rack 1; the sewage tank body 2 is installed at the L-shaped notch of the tank rack 1, and a sewage outlet is opened at the bottom of the sewage tank body 2. The bottom is an inverted cone, and a sewage outlet is provided at the bottom of the sewage tank body 2, which is conducive to the subsequent concentration of the precipitated sludge, and a U-shaped ladder is symmetrically provided on the inner side of the sewage tank body 2 for workers to maintain the inner wall of the tank. A water outlet is provided on the right side of the sewage tank body 2, which is used to transport the precipitated sewage by connecting to a water pipeline; the sewage tank cover 3 is fixed to the top of the sewage tank body 2 by bolts, and an exhaust hole is provided on the top of the sewage tank cover 3, and the sewage tank cover 3 is a semi-spherical shell, which is conducive to the aggregation of gas generated during the mixing of sewage, and the sewage A tank door is provided on the top of the tank cover 3, which is convenient for observing the inside of the sewage tank body 2 later; the motor 4 is fixedly installed on the top of the sewage tank cover 3 by bolts, and the output end of the motor 4 extends into the inside of the sewage tank body 2; the fixing assembly 5 is connected to the outside of the output shaft of the motor 4; the stirring paddle 6 is connected to the output shaft of the motor 4 through the fixing assembly 5, and each impeller of the stirring paddle 6 is connected to the outside of the stirring paddle 6 body, and the impeller of the stirring paddle 6 is provided with filter holes with uniform intervals, so that the solid impurity particles in the sewage are blocked on the impeller when the stirring paddle 6 is in operation, so as to filter the sewage The impurities in the water are basically removed to ensure that the impurities in the sludge after subsequent precipitation are effectively reduced; the water storage device 7 is fixedly installed on the top of the tank frame 1 through a base, and the water storage device 7 is located at the rear side of the sewage tank body 2; the concentrating device 8 is fixedly installed on the bottom of the tank frame 1 through a mounting base, and the concentrating device 8 is located on the bottom left side of the sewage tank body 2. An exhaust port is opened on the upper right side of the concentrating device 8, and the input end of the concentrating device 8 is close to the output end at the bottom of the sewage tank body 2, and the sludge collection pipe outlet of the concentrating device 8 is connected to the sewage outlet opened in the sewage tank body 2;The gas collecting device 9 is fixedly installed on the top of the tank rack 1 through an installation base. The gas collecting device 9 is located on the left side of the sewage tank body 2. The gas collecting device 9 has two gas collecting pipes. The outlet of the gas collecting pipe on the right side of the top of the gas collecting device 9 is connected to the exhaust hole opened on the top of the sewage tank body 2. When the motor 4 is started to drive the stirring paddle 6 to stir the sewage, the waste gas generated will be transported to the gas collecting device 9 through the exhaust port on the sewage tank cover 3. The outlet of the gas collecting pipe on the left side of the top of the gas collecting device 9 is connected to the exhaust port opened on the upper right side of the concentrating device 8. The waste gas generated during the operation of the concentrating device 8 will be transported to the gas collecting device 9 through the exhaust port on the upper right side. The gas collecting device 9 collects the waste gas generated during the sludge stirring process and the operation of the concentrating device 8, and the waste gas is basically purified by the gas adsorption device in the gas collecting device 9 before being discharged to the outside. The fixed assembly Part 5 includes: chassis 51, small bevel gear 52, large bevel gear 53, track plate 54, claw 55 and chuck cover 56. The chassis 51 is a cylindrical block with a hollowed-out middle, and three grooves with even intervals are provided on the chassis 51; there are three small bevel gears 52, and the three small bevel gears 52 are all rotatably connected to the three grooves on the chassis 51; the large bevel gear 53 is rotatably connected to the top of the chassis 51, and the gear teeth at the bottom of the large bevel gear 53 mesh with the three small bevel gears 52, and the top of the large bevel gear 53 is in a plane thread shape; the track plate 54 is fixedly connected to the top of the chassis 51 by screws, and three symmetrical slide grooves are provided on the top of the track plate 54; the bottom of the three claws 55 is rotatably matched with the plane threads at the top of the large bevel gear 53, and the three claws 55 are slidably connected to the slide grooves provided on the track plate 54; the chuck cover 56 is fixedly connected to the top of the track plate 54 by screws, and the inner side of the chuck cover 56 is hollow. ;

[0029] like Figure 8-Figure 9 As shown, a spray device 10 is also included. The spray device 10 is fixedly installed at the bottom of the tank rack 1 through a mounting base. The spray device 10 is located at the rear side of the concentration device 8. The high-pressure nozzle of the spray device 10 is connected to the top of the gas collecting device 9. The high-pressure nozzle of the spray device 10 further deodorizes the exhaust gas in the concentration device 8.

[0030] like Figure 1 , Figure 5 and Figure 8 As shown, it also includes a cylinder 311, a connecting frame 312 and a guide rod 313. The cylinder 311 is installed on the left side of the sewage tank body 2 by bolts, the connecting frame 312 is connected to the top of the sewage tank cover 3 by screws, and the connecting frame 312 is connected to the end of the piston rod of the cylinder 311 by pins, and the piston rod of the cylinder 311 is in a retracted state; the guide rod 313 is welded to the right side of the sewage tank body 2.

[0031] When the device is needed, first open the tank door of the sewage tank cover 3, input the sewage into the sewage tank body 2 through the tank door, then add the flocculation liquid to the sewage and close the tank door, and start the gas collection device 9. After completion, start the motor 4, the motor 4 drives the stirring paddle 6 to rotate at a high speed, and the flocculation liquid is fully integrated with the sewage during the stirring process, so that the sludge in the sewage is quickly flocculated. During the stirring process, the filter holes on the impeller of the stirring paddle 6 filter some impurities in the flocculated sludge on the impeller of the stirring paddle 6, so as to achieve basic impurity removal of the flocculated sludge. The waste gas generated during the stirring process is sucked into the sewage tank body 2 through the exhaust port of the sewage tank cover 3 by the gas collecting device 9 for deodorization. After the stirring is completed, the motor 4 is turned off, and the sludge separated from the sewage is settled to the bottom of the sewage tank body 2. When the sewage and sludge form layers, the water storage device 7 and the concentration device 8 are started, and the sewage and sludge in the sewage tank body 2 are extracted through the drainage port and the sewage outlet of the sewage tank body 2. The sewage is extracted into the water storage device 7 for storage, and the sludge is extracted into the concentration device 8 for concentration. Before the sludge is concentrated, the gas collecting device 9 is started. The waste gas generated during the sludge concentration process is sucked into the gas collecting device 9 through the exhaust port of the concentration device 8 for deodorization. During the deodorization process, the spraying device 10 is started. The high-pressure nozzle of the spraying device 10 further purifies the waste gas. After the purification is completed, the waste gas is discharged to the outside through the discharge pipe of the gas collecting device 9. In this way, the sludge treatment operation is completed. Under long-term operation, the stirring paddle 6 needs to be cleaned. The piston rod is extended by starting the cylinder 311. During the extension process, the connecting frame 312 will drive the sewage tank The cover 3, motor 4, fixing assembly 5 and stirring paddle 6 slide upward along the guide rod 313. When the connecting frame 312 slides to the end of the guide rod 313, the worker can disassemble the impeller of the stirring paddle 6 and use a square wrench to insert it into the square slot at the tail end of the small bevel gear 52 to make the three small bevel gears 52 rotate clockwise and mesh with the large bevel gear 53. While the large bevel gear 53 rotates, the three claws 55 will cooperate with its top thread and slide out synchronously. At this time, the paddle rod of the stirring paddle 6 can be removed to facilitate the cleaning of the stirring paddle 6 body.

[0032] The above-mentioned embodiments only express the preferred implementation of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications, improvements and substitutions can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A sludge treatment and purification device, comprising: a tank frame (1), a sewage tank body (2), a sewage tank cover (3), a motor (4), a fixing assembly (5) and a stirring paddle (6); the sewage tank body (2) is mounted on the tank frame (1), and the sewage tank body (2) is provided with a sewage discharge port and a water outlet; the sewage tank cover (3) is arranged on the top of the sewage tank body (2), and the sewage tank cover (3) is provided with an exhaust hole; the motor (4) is mounted on the top of the sewage tank cover (3), and the output end of the motor (4) extends into the interior of the sewage tank body (2); the fixing assembly (5) is connected to the end of the output shaft of the motor (4); the stirring paddle (6) is detachably connected to the outer side of the output shaft of the motor (4) through the fixing assembly (5); It is characterized in that The fixing assembly comprises: a chassis (51), a small bevel gear (52), a large bevel gear (53), a track plate (54), a chuck (55) and a chuck cover (56); the chassis (51) is fixedly connected to the output end of the motor (4); the chassis (51) is a cylindrical block with a hollowed-out middle portion; three grooves are provided on the chassis (51); there are three small bevel gears (52), and the three small bevel gears (52) are respectively rotatably connected to the three grooves on the chassis (51); the large bevel gear (53) is rotatably connected to the top of the chassis (51); The large bevel gear (53) is meshed with the three small bevel gears (52), and the top of the large bevel gear (53) is in a plane thread shape; the track plate (54) is connected to the top of the chassis (51) and surrounds the plane thread shape on the top of the large bevel gear (53), and the top of the track plate (54) is provided with three evenly spaced sliding grooves; the three claws (55) slide between the sliding grooves provided in the track plate (54) and the plane thread shape on the top of the large bevel gear (53); and the chuck cover (56) is connected to the top of the track plate (54).

2. A sludge treatment and purification device according to claim 1, further comprising: a spray device (10), which is fixedly installed on the bottom of the tank rack (1) through a mounting base, and the spray device (10) is located on the rear side of the concentration device (8), and the top of the spray device (10) is connected to the top of the gas collecting device (9).

3. A sludge treatment and purification device according to claim 2, further comprising: a cylinder (311), a connecting frame (312) and a guide rod (313), the cylinder (311) being installed on the left side of the sewage tank body (2), the connecting frame (312) being connected to the top of the sewage tank cover (3), the connecting frame (312) being connected to the piston rod of the cylinder (311); the guide rod (313) being connected to the right side of the sewage tank body (2), the connecting frame (312) being slidably matched with the guide rod (313).

4. A sludge treatment and purification device according to claim 3, characterized in that: The impeller of the stirring paddle (6) is provided with circular filter holes distributed at intervals.

5. A sludge treatment and purification device according to claim 4, characterized in that: It also includes: a water storage device (7) arranged on the tank rack (1), wherein the outlet of the water pipe of the water storage device (7) is connected to the water outlet opened on the sewage tank body (2).

6. A sludge treatment and purification device according to claim 5, characterized in that: It also includes: a concentration device (8) arranged on the tank frame (1), wherein the sludge collection pipe outlet of the concentration device (8) is connected to the sewage outlet opened on the sewage tank body (2).

7. A sludge treatment and purification device according to claim 6, characterized in that: It also includes: a gas collecting device (9) arranged on the tank rack (1), wherein the outlet of the gas collecting pipe of the gas collecting device (9) is connected to the exhaust port opened on the concentration device (8).

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