Rapid sludge dewatering device for sewage treatment

Abstract

The utility model discloses a rapid sludge dewatering device for sewage treatment, which comprises a bottom frame, a sludge dewatering device and a sludge dewatering device, the sewage collecting tank is mounted at the upper part in the bottom frame; the double-cylinder dewatering mechanism is arranged in the sewage collecting tank; the conveying rollers are arranged below the sewage collecting tank and located on the upper side and the lower side of the extrusion filter belt; the filter belt motor is mounted on the bottom frame; and the roller motor is mounted on the underframe. According to the sludge dewatering device, the extrusion roller and the inner roller are arranged in the double-roller dewatering box, the distance between the extrusion roller and the inner roller is gradually reduced, so that the sludge is quickly dewatered when the extrusion filter belt drives the sludge to be conveyed, the dewatering efficiency of the sludge is further ensured, and meanwhile, the dewatering effect of the sludge is ensured; the sludge dewatering device is small in size, simple in structure, low in cost, capable of meeting the sludge dewatering work in different scenes, capable of effectively widening the application range, and simple and rapid in installation mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to the sewage treatment related technical field, especially a sludge rapid dewatering device for sewage treatment. BACKGROUND

[0002] Sludge is the inevitable product after sewage treatment in sewage treatment plant and sewage station, and sludge that is not well treated and disposed will directly bring secondary pollution to water body and atmosphere, and will also pose a serious threat to ecological environment and human activities, therefore, sludge dewatering device is widely used in municipal sewage treatment engineering and water treatment systems in petrochemical, light industry, chemical fiber, papermaking, pharmaceutical, leather and other industrial industries.

[0003] The existing sludge dewatering device mostly adopts the belt type filter pressing mode to carry out sludge dewatering work, and the belt type filter press is generally large in size, complex in structure and high in cost, which leads to extremely limited application range, and at the same time, the installation is also complex, therefore, the utility model provides a sludge rapid dewatering device for sewage treatment. UTILITY MODEL CONTENTS

[0004] To solve the problems in the above background art, the utility model provides a sludge rapid dewatering device for sewage treatment.

[0005] The technical scheme for achieving the above-mentioned purpose is a sludge rapid dewatering device for sewage treatment, which comprises:

[0006] A chassis is installed on the ground.

[0007] A sewage collection tank is installed above the inside of the chassis, and a drainage pipe is installed on one side surface of the sewage collection tank.

[0008] A double-cylinder type dewatering mechanism is arranged in the sewage collection tank, and comprises:

[0009] A double-cylinder type dewatering tank is arranged above the sewage collection tank, and is formed by splicing two cylinders, and the two cylinders are connected in communication, and shaft seats are arranged at both ends of the center of each cylinder, the shaft seats are connected with the chassis, a plurality of drainage holes are formed in the lower surface of each cylinder and are uniformly distributed, an inlet is formed at one end of each cylinder, and an outlet is formed at the other end of each cylinder.

[0010] A squeezing roller is installed in the two cylinders of the double-cylinder type dewatering tank, and the roller shaft is connected with the shaft seat through a bearing.

[0011] An inner roller is arranged below the inside of the two cylinders of the double-cylinder type dewatering tank and is uniformly distributed.

[0012] An outer roller is arranged on the outer surface of the sewage collection tank and is uniformly distributed.

[0013] The extrusion filter belt passes through the double-cylinder dehydration tank through the feeding port and the discharging port, and is sleeved on the inner roller and the outer roller;

[0014] The feeding hopper is installed on the double-cylinder dehydration tank, and the lower end thereof is inserted into the feeding port,

[0015] and covers the extrusion filter belt on one of the inner rollers;

[0016] The transmission roller is arranged below the sewage collecting groove and on the upper and lower sides of the extrusion filter belt, and the transmission shaft of the transmission roller is provided with a synchronous gear at one end.

[0017] The filter belt motor is installed on the base frame, and the rotating end thereof is connected with the transmission shaft of one of the transmission rollers through a chain wheel set and a chain.

[0018] The roller motor is installed on the base frame, and the rotating end thereof is connected with the roller shaft of one of the extrusion rollers through a chain wheel set and a chain.

[0019] In the double-cylinder dehydration tank, the roller shafts of the two extrusion rollers are synchronously rotated through a chain wheel set and a chain wheel.

[0020] In the double-cylinder dehydration tank, the distance between the extrusion roller and the inner roller gradually decreases during the gradual movement of the extrusion filter belt, so that the extrusion filter belt is gradually closer to the extrusion roller.

[0021] In the double-cylinder dehydration tank, the scraper one is arranged on the upper side of each cylinder.

[0022] In the double-cylinder dehydration tank, the scraper two is arranged on the outer side of the sewage collecting groove, and is located below the discharging port and in contact with the extrusion filter belt.

[0023] Compared with the prior art, the utility model has the advantages that:

[0024] 1. The extrusion filter belt drives the sludge to be conveyed, the extrusion of the extrusion roller and the inner roller is utilized, the sludge is quickly dehydrated, the dehydration efficiency of the sludge is ensured, and the dehydration effect of the sludge is ensured by the extrusion cooperation of the multiple inner rollers and the extrusion rollers.

[0025] 2. The sewage is collected by the sewage collecting groove, the contact between the sewage and the sludge during the dehydration of the sludge is avoided, and the dehydration efficiency is improved.

[0026] 3. This device is small in size, simple in structure, and low in cost, which can meet the sludge dewatering work in different scenarios, effectively improving its application range. Moreover, the installation method is also relatively simple and quick. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of a rapid sludge dewatering device for sewage treatment according to the present invention;

[0028] Figure 2 This utility model describes Figure 1 The main view;

[0029] In the picture:

[0030] 1. Base frame; 2. Sewage collection tank; 21. Drain pipe; 22. Scraper II; 3. Double-cylinder dewatering mechanism; 31. Double-cylinder dewatering box; 311. Shaft seat; 312. Drain hole; 313. Feed inlet; 314. Discharge outlet; 315. Scraper I; 32. Extrusion roller; 33. Inner roller; 34. Outer roller; 35. Extrusion filter belt; 36. Feed hopper; 4. Conveyor roller; 5. Filter belt motor; 6. Roller motor. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] This utility model provides a technical solution, such as Figures 1-2 As shown; a sludge rapid dewatering device for sewage treatment includes: a base frame 1, installed on the ground; a sewage collection tank 2, installed inside the base frame 1, with a drain pipe 21 installed on one side surface of the tank; the sewage collection tank 2 can be used to collect the sewage discharged from the sludge, avoiding secondary contact between the sewage and the squeeze filter belt 35, and ensuring the dewatering effect.

[0033] The double-cylinder dewatering mechanism 3 is installed inside the sewage collection tank 2. It includes: a double-cylinder dewatering tank 31, positioned above the sewage collection tank 2, composed of two connected cylinders. Each cylinder has a bearing seat 311 at both ends at its center, connected to a base frame 1. Each cylinder has several evenly distributed drainage holes 312 on its lower surface, with a feed inlet 313 at one end and a discharge outlet 314 at the other. A compression roller 32 is installed inside the two cylinders of the double-cylinder dewatering tank 31, its roller shaft passing through… The bearing is connected to the bearing seat 311; the inner roller 33 is set inside the two cylinders of the double-cylinder dewatering box 31 and is evenly distributed; the outer roller 34 is set on the outer surface of the sewage collection tank 2 and is evenly distributed; the extruded filter belt 35 passes through the double-cylinder dewatering box 31 through the feed port 313 and the discharge port 314 and is fitted on the inner roller 33 and the outer roller 34; the feed hopper 36 is installed on the double-cylinder dewatering box 31, and its lower end is inserted into the feed port 313 and covers the extruded filter belt 35 on one of the inner rollers 33.

[0034] In this embodiment of the utility model, the double-cylinder dewatering mechanism 3 is positioned above the sewage collection tank 2, which can effectively reduce the area occupied by the device, making it more compact. Furthermore, its structure is relatively simple and its cost is low, which can meet the needs of different scenarios and improve its application range.

[0035] In this embodiment of the utility model, the squeezing roller 32 and multiple inner rollers 33 inside the double-cylinder dewatering tank 31 are used to squeeze the filter belt 35 and drive the sludge transmission. The squeezing of the squeezing roller 32 and the inner rollers 33 can quickly remove the water from the sludge and improve the sludge dewatering efficiency.

[0036] In this embodiment of the invention, the sludge is directly squeezed onto the extrusion filter belt 35 using the extrusion roller 32, thus eliminating the need for upper and lower filter belts to squeeze the sludge. This eliminates the need for cleaning the extrusion filter belt 35, thereby reducing water waste and ensuring a clean and tidy work site.

[0037] In this embodiment of the utility model, the feeding hopper 36 is designed to allow sludge to be fed into the hopper 36 by an external pump conveyor belt, so that the sludge can smoothly enter the double-cylinder dewatering tank 31. On the other hand, it can also be wrapped around the extrusion filter belt 35 on one of the inner rollers 33 to prevent sludge leakage and ensure that the sludge can be dewatered smoothly.

[0038] The transmission roller 4 is arranged below the sewage collecting groove 2 and on both sides of the extrusion filter belt 35, and the transmission roller 4 is provided with a synchronous gear at one end of the rotating shaft; the synchronous gears of the two transmission rollers 4 are meshed with each other; the filter belt motor 5 is arranged on the base frame 1, and the rotating end of the filter belt motor 5 is connected with the rotating shaft of one of the transmission rollers 4 through a chain wheel set and a chain; and the roller motor 6 is arranged on the base frame 1, and the rotating end of the roller motor 6 is connected with the roller shaft of one of the extrusion rollers 32 through a chain wheel set and a chain.

[0039] In the embodiment of the utility model, the two transmission rollers 4 extrude the extrusion filter belt 35, and the working of the filter belt motor 5 can stably convey the extrusion filter belt 35, thereby ensuring the normal operation of sludge dewatering.

[0040] In the embodiment of the utility model, the working of the two extrusion rollers 32 driven by the roller motor 6 can utilize the rotation of the extrusion roller 32 to ensure the smooth conveying of the extrusion filter belt 35 and the sludge, and the sludge is extruded during the conveying process to perform the dewatering work.

[0041] In the embodiment of the utility model, the conveying of the sludge by the extrusion filter belt 35 and the rotation of the extrusion roller 32 enable the sludge to be quickly dewatered by extrusion during the movement of the sludge in the double-cylinder dewatering tank 31, effectively ensure the dewatering efficiency, enable the device to operate continuously for a long time, and thereby improve the dewatering efficiency of the sludge.

[0042] In the embodiment of the utility model, the roller shaft of the two extrusion rollers 32 in the double-cylinder dewatering tank 31 rotates synchronously through a chain wheel set and a chain wheel, thereby ensuring the synchronous rotation of the two extrusion rollers 32 and enabling the sludge to perform the dewatering work.

[0043] In the embodiment of the utility model, the distance between the extrusion roller 32 and the inner roller 33 gradually decreases during the gradual movement of the extrusion filter belt 35 in the double-cylinder dewatering tank 31, so that the extrusion filter belt 35 is closer and closer to the extrusion roller 32; the extrusion force on the sludge during the conveying of the sludge by the extrusion filter belt 35 gradually increases, thereby quickly removing the water in the sludge by extrusion to improve the dewatering efficiency and effect of the sludge.

[0044] In the embodiment of the utility model, the double-cylinder dewatering tank 31 is provided with a scraper one 315 on the upper side of each cylinder, and the scraper one 315 is in contact with the extrusion roller 32; thereby avoiding the sludge from being adsorbed on the extrusion roller 32 and ensuring the smooth dewatering of the sludge.

[0045] In the embodiment of the utility model, the double-cylinder dewatering tank 31 is provided with a scraper two 22 on the outside of the sewage collecting groove 2, and the scraper two 22 is located below the outside of the discharge port 314 and in contact with the extrusion filter belt 35; thereby enabling the sludge to be quickly scraped off from the extrusion filter belt 35 after the dewatering of the sludge, and thereby enabling the extrusion filter belt 35 to be repeatedly used to ensure the dewatering efficiency of the sludge.

[0046] Specific use of the utility model, staff through the external pumping device, sludge is transported to the feed hopper 36, control filter belt motor 5 and cylinder motor 6 start working simultaneously;

[0047] With the work of filter belt motor 5, it is driven by sprocket set and chain wheel, and the synchronous gear drive, make two transmission cylinder 4 synchronous rotation, and the direction of rotation is opposite, and then use two transmission cylinder 4 to extrusion filter belt 35 extrusion, drive extrusion filter belt 35 to move, and the work of cylinder motor 6, it is driven by sprocket set and chain wheel, make two extrusion cylinder 32 synchronous rotation;

[0048] With the movement of extrusion filter belt 35, and sludge injection into the feed hopper 36, sludge uses its own gravity through the feed inlet 313, then through the movement of extrusion filter belt 35, make extrusion filter belt 35 drive sludge gradually to double cylinder dehydration tank 31, and use extrusion cylinder 32 rotation, make sludge use extrusion filter belt 35 and extrusion cylinder 32 double drive, gradually to double cylinder dehydration tank 31 in movement;

[0049] With the movement of extrusion filter belt 35 drive sludge in double cylinder dehydration tank 31, and use extrusion cylinder 32 and inner cylinder 33 extrusion of sludge, then press out the water in sludge, and with the continuous delivery of extrusion filter belt 35, the distance between subsequent inner cylinder 33 and extrusion cylinder 32 gradually reduces, make the extrusion force of sludge on extrusion filter belt 35 gradually increases, then make sludge can be fully dewatered, and ensure its dehydration effect.

[0050] With extrusion filter belt 35 drive sludge from discharge port 314 after dehydration, sludge completes dehydration work at this time, and use scraper two 22 to scrape the sludge on extrusion filter belt 35, make extrusion filter belt 35 can be reused.

[0051] In the process of using the device, when extrusion cylinder 32 extrudes sludge, part of the sludge will adhere to extrusion cylinder 32, use scraper one 315 and extrusion cylinder 32 contact, make extrusion cylinder 32 in the process of rotation, scraper one 315 can scrape the sludge on extrusion cylinder 32, then ensure the smooth delivery of sludge in double cylinder dehydration tank 31, then ensure the efficient dewatering of sludge.

[0052] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a... " does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0053] While embodiments of the present application have been shown and described with reference to the figures, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the spirit and scope of the present application, which should be limited only by the scope of the appended claims and the equivalents thereof.

Claims

1. A rapid sludge dewatering device for wastewater treatment, characterized in that, The utility model relates to a sewage treatment device, which comprises: a chassis installed on the ground; a sewage collection tank installed above the inside of the chassis, with a drain pipe installed on one side surface thereof; a double-cylinder dehydration mechanism arranged in the sewage collection tank, which comprises: a double-cylinder dehydration tank arranged above the sewage collection tank, which is formed by two cylinders connected in communication, with an axle seat arranged at the center of each cylinder, the axle seat being connected to the chassis, a plurality of drain holes being formed in the lower surface of each cylinder and being uniformly distributed, an inlet being formed at one end of each cylinder, and an outlet being formed at the other end of each cylinder; a squeezing roller installed in the two cylinders of the double-cylinder dehydration tank, with the roller shaft being connected to the axle seat through a bearing; an inner roller arranged below the inside of the two cylinders of the double-cylinder dehydration tank and being uniformly distributed; an outer roller arranged on the outer surface of the sewage collection tank and being uniformly distributed; a squeezing filter belt passing through the double-cylinder dehydration tank through the inlet and the outlet and being sleeved on the inner roller and the outer roller; a feeding hopper installed on the double-cylinder dehydration tank, with the lower end of the feeding hopper being inserted into the inlet and covering the squeezing filter belt on one of the inner rollers; a conveying roller arranged below the sewage collection tank and located on both sides of the squeezing filter belt, with a synchronous gear being installed at one end of the rotating shaft of the conveying roller, the synchronous gears of the two conveying rollers being engaged with each other; a filter belt motor installed on the chassis, with the rotating end of the filter belt motor being connected to the rotating shaft of one of the conveying rollers through a chain wheel set and a chain; a roller motor installed on the chassis, with the rotating end of the roller motor being connected to the roller shaft of one of the squeezing rollers through a chain wheel set and a chain.

2. The sludge rapid dewatering device for sewage treatment according to claim 1, characterized in that, The roller shafts of the two squeezing rollers in the double-cylinder dehydration tank rotate synchronously through a chain wheel set and a chain wheel.

3. The device for rapid dewatering of sludge for sewage treatment according to claim 1, characterized by During the gradual movement of the squeezing filter belt in the double-cylinder dehydration tank, the distance between the squeezing roller and the inner roller gradually decreases, so that the squeezing filter belt is closer and closer to the squeezing roller.

4. The device for rapid dewatering of sludge for sewage treatment according to claim 1, characterized by A scraper one is arranged on one side above the inside of each cylinder of the double-cylinder dehydration tank, and the scraper one is in contact with the squeezing roller.

5. The device for rapid dewatering of sludge for sewage treatment according to claim 1, characterized by A scraper two is arranged on one side outside the sewage collection tank, and the scraper two is located below the outside of the outlet and is in contact with the squeezing filter belt.

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