Wastewater recovery device

Abstract

The utility model relates to the technical field of environmental protection, in particular to a wastewater recovery device which comprises a recovery barrel, a connecting pipe arranged at the top of the recovery barrel, a recovery mechanism and a stirring mechanism, and the recovery mechanism is arranged on the outer side of the recovery barrel and used for separately collecting solid and liquid products obtained by wastewater reaction; and the stirring mechanism is arranged on the inner side of the recycling barrel and is used for carrying out stirring auxiliary reaction on the waste liquid through opposite rotation of each stirring device. Through the arrangement of the stirring mechanism, the motor drives the two stirring rods to rotate in opposite directions, so that a more complex hydrodynamic effect can be generated, the convection and diffusion effects in waste liquid are enhanced, a coagulant can be quickly and uniformly dispersed into the waste liquid, and the treatment effect of the coagulant is improved. The coagulant is ensured to be in full contact with suspended solids, colloids and the like in the waste liquid, and meanwhile, the stirring rods rotating reversely enable particles in the waste liquid to be subjected to shearing force and stirring force in different directions, so that the collision frequency among the particles is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental protection, in particular to a wastewater recovery device. Background Art

[0002] The main components of crude phthalic anhydride and pyromellitic dianhydride are both pyromellitic dianhydride (PMDA). It is an important raw material for synthesizing polyimide polymers. Polyimide is widely used in aerospace, atomic energy industry, and mechatronics industry due to its excellent electrical insulation performance, high temperature resistance performance, and radiation resistance performance. As the main raw material for high-quality plasticizers, curing agents, and powder coating matting agents, the demand for PMDA is increasing. The plasticizer produced by PMDA has good electrical insulation and heat resistance, and can be used to produce heat-resistant high-voltage cables and special durable heat-resistant plastic products. Heat-resistant polyvinyl chloride and high-grade artificial leather can also be used to produce heat-resistant cables, especially medical plastic products.

[0003] Chinese Patent with publication number CN216149518U discloses a pyromellitic acid wastewater recovery device, which includes a stirring barrel. A motor is fixedly connected to the circumferential surface of the stirring barrel, and a stirring groove is opened at the top of the stirring barrel; a stirring mechanism, which includes a stirring component and a driving component. A driving groove is opened at the bottom of the stirring barrel, the driving component is arranged in the driving groove, the stirring component is composed of a first stirring rod and a second stirring rod. There are two first stirring rods, and both of the two first stirring rods are rotatably connected to the lower inner wall of the stirring groove. The second stirring rod is rotatably connected to the lower inner wall of the stirring groove. The driving component is connected to the motor to drive the stirring component. Through the filtration of the first filter plate and the second filter plate, pyromellitic dianhydride is recovered, thus effectively reducing the waste and pollution of resources.

[0004] However, the above-mentioned disclosed solution has the following deficiencies: When the existing wastewater recovery device needs to carry out coagulation sedimentation, it is impossible to quickly and effectively mix and adsorb the coagulant with every part of the liquid in the waste liquid, resulting in a slow sedimentation speed and affecting the working efficiency of the treatment. Summary of the Utility Model

[0005] The purpose of the utility model is to propose a wastewater recovery device aiming at the problem in the background art that the waste liquid and the coagulant cannot be quickly and effectively mixed.

[0006] The technical solution of the utility model: A wastewater recovery device includes a recovery barrel and a connecting pipe arranged at the top of the recovery barrel; it also includes:

[0007] A recovery mechanism, arranged outside the recovery barrel, used to separately collect the solid and liquid products obtained from the reaction of wastewater;

[0008] And a stirring mechanism, arranged inside the recovery barrel, used to assist the reaction by stirring the waste liquid through the reverse rotation between each stirring device.

[0009] Preferably, the recycling mechanism includes a waste liquid bucket, an extraction port, and a classification component;

[0010] The waste liquid bucket is arranged at the bottom of the recycling bucket, and the extraction port is arranged at the top of the waste liquid bucket. Through the extraction port, the processed waste liquid collected in the waste liquid bucket can be extracted;

[0011] The classification component is arranged inside the waste liquid bucket and is used to separate the solid and liquid of the processed waste liquid.

[0012] Preferably, the separation component includes a sealing plate, a pull ring, a grid baffle, a filter plate, and a guide plate;

[0013] The grid baffle is slidably arranged inside the recycling bucket, the sealing plate is arranged at the end of the grid baffle, the pull ring is arranged on the side of the sealing plate away from the grid baffle, the guide plate is slidably arranged on the side of the grid baffle, and the filter plate is slidably arranged at the bottom of the grid baffle.

[0014] Preferably, the stirring mechanism includes a conical platform, a reverse rotation component, and a stirring component;

[0015] The conical platform is arranged inside the recycling bucket;

[0016] The reverse rotation component is arranged inside the conical platform and is used to drive the stirring component to rotate forward and reverse respectively at the same axis;

[0017] The stirring component is arranged on the top of the reverse rotation component and is used to mix and stir the waste liquid and the coagulant.

[0018] Preferably, the reverse rotation component includes a motor, a first rotating shaft, a second rotating shaft, a first gear ring, and a second gear ring;

[0019] The second rotating shaft is rotatably arranged at the axis of the conical platform, the motor is arranged at the bottom of the second rotating shaft, the first gear ring is arranged outside the second rotating shaft, a first circular gear is meshed inside the first gear ring, a first connecting rod is rotatably arranged at the axis of the first circular gear, a first fixing rod is arranged at the end of the first connecting rod away from the first circular gear, a second circular gear is meshed on the side of the first circular gear, a second connecting rod is rotatably arranged at the bottom of the first circular gear, a second fixing rod is arranged at the end of the second connecting rod away from the second circular gear, a second gear ring is meshed on the top of the second circular gear, an arc clamping plate is slidably arranged outside the second gear ring, a third fixing rod is arranged on the side of the arc clamping plate, and a first rotating shaft is arranged at the axis of the second gear ring.

[0020] Preferably, the stirring component includes a fixing ring, a first stirring rod, a second stirring rod, a connecting ring, and a mounting plate;

[0021] The fixed ring is arranged on the outer side of the second rotating shaft, the second stirring rod is arranged on the outer side of the fixed ring, the connecting ring is arranged on the top of the first rotating shaft, the mounting plate is arranged on the side of the connecting ring away from the first rotating shaft, the fixing piece is arranged on the side of the mounting plate, and the first stirring rod is arranged on the side of the mounting piece.

[0022] Compared with the prior art, the utility model has the following beneficial technical effects: through the setting of the stirring mechanism, the motor drives the two stirring rods to rotate in opposite directions, so that more complex hydrodynamic effects can be generated, enhancing the convection and diffusion in the waste liquid, helping the coagulant to be quickly and evenly dispersed into the waste liquid, ensuring that the coagulant fully contacts with the suspended solids, colloids, etc. in the waste liquid. At the same time, the stirring rods rotating in opposite directions make the particles in the waste liquid receive shear force and stirring force in different directions, thereby increasing the collision frequency between the particles, helping the coagulant to quickly combine with the suspended solids, colloids, etc. in the waste liquid to form larger flocs. The uniform mixing and efficient floc formation can also accelerate the coagulation reaction process and shorten the waste liquid treatment time. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of an embodiment of the utility model;

[0024] Figure 2 is Figure 1 a schematic diagram of the internal structure;

[0025] Figure 3 is a schematic structural diagram of the recovery mechanism;

[0026] Figure 4 is a schematic structural diagram of the stirring mechanism;

[0027] Figure 5 is a schematic structural diagram of the reverse rotation assembly;

[0028] Figure 6 is a schematic diagram of the internal structure of the reverse rotation assembly.

[0029] Reference numerals: 1, recovery barrel; 2, connecting pipe; 301, waste liquid barrel; 302, extraction port; 303, sealing plate; 304, pull ring; 305, grid baffle; 306, filter plate; 307, guide plate; 401, motor; 402, first rotating shaft; 403, second rotating shaft; 404, first gear ring; 405, first circular gear; 406, first connecting rod; 407, first fixing rod; 408, second circular gear; 409, second connecting rod; 410, second fixing rod; 411, second gear ring; 412, arc clamping plate; 413, third fixing rod; 414, connecting ring; 415, mounting plate; 416, fixing piece; 417, first stirring rod; 418, fixed ring; 419, second stirring rod; 420, conical platform. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] Example 1

[0031] As Figures 1 - 3 shown, a wastewater recycling device proposed by the present utility model includes a recycling barrel 1, a connecting pipe 2 arranged at the top of the recycling barrel 1, a recycling mechanism, and a stirring mechanism:

[0032] The recycling mechanism is arranged outside the recycling barrel 1 and is used to separately collect the solid and liquid products obtained by the reaction of the wastewater;

[0033] The stirring mechanism is arranged inside the recycling barrel 1 and is used to assist the reaction of the waste liquid by the reverse rotation between each stirring device.

[0034] The recycling mechanism includes a waste liquid barrel 301, an extraction port 302, and a classification component; the waste liquid barrel 301 is arranged at the bottom of the recycling barrel 1, the extraction port 302 is arranged at the top of the waste liquid barrel 301, and the treated waste liquid collected in the waste liquid barrel 301 can be extracted through the extraction port 302; the classification component is arranged inside the waste liquid barrel 301 and is used to separate the solid and liquid of the treated waste liquid. The separation component includes a sealing plate 303, a pull ring 304, a grid baffle 305, a filter plate 306, and a guide plate 307; the grid baffle 305 is slidably arranged inside the recycling barrel 1, there are two grid baffles 305, and the two grid baffles 305 together can just seal the inside of the recycling barrel 1, the sealing plate 303 is arranged at the end of the grid baffle 305, the pull ring 304 is arranged on the side of the sealing plate 303 away from the grid baffle 305, the guide plate 307 is slidably arranged on the side of the grid baffle 305, the filter plate 306 is slidably arranged at the bottom of the grid baffle 305, and the outside of the filter plate 306 is connected to the inside of the recycling barrel 1, there are two guide plates 307, and the side of the guide plate 307 away from the grid baffle 305 is connected to the inside of the recycling barrel 1, the guide plate 307 is arranged as an inclined surface to facilitate guiding the waste liquid above the filter plate 306, and it is convenient for the stirring mechanism to fully stir and adsorb the waste liquid and the coagulant when the two grid baffles 305 are combined, and then it is convenient for better solid-liquid separation after separating the grid baffles 305.

[0035] Example 2

[0036] As Figures 4 - 6 shown, a wastewater recycling device proposed by the present utility model, compared with Example 1, this example details the structure of the stirring mechanism:

[0037] The stirring mechanism includes a conical platform 420, a reverse rotation component, and a stirring component; the conical platform 420 is arranged inside the recovery barrel 1, the outer side of the conical platform 420 is conical in shape, with a pointed upper end and a wide lower end, facilitating the rapid diversion of the treated waste liquid into the waste liquid barrel 301; the reverse rotation component is arranged inside the conical platform 420, used to drive the stirring component to rotate forward and reverse respectively at the same axis; the stirring component is arranged on the top of the reverse rotation component, used to mix and stir the waste liquid and the coagulant. The reverse rotation component includes a motor 401, a first rotating shaft 402, a second rotating shaft 403, a first gear ring 404, and a second gear ring 411; the second rotating shaft 403 is rotatably arranged at the axis of the conical platform 420, the motor 401 is arranged at the bottom of the second rotating shaft 403, the first gear ring 404 is arranged outside the second rotating shaft 403, a first circular gear 405 is meshed inside the first gear ring 404, a first connecting rod 406 is rotatably arranged at the axis of the first circular gear 405, a first fixing rod 407 is arranged at one end of the first connecting rod 406 away from the first circular gear 405, a second circular gear 408 is meshed on the side of the first circular gear 405, a second connecting rod 409 is rotatably arranged at the bottom of the first circular gear 405, a second fixing rod 410 is arranged at one end of the second connecting rod 409 away from the second circular gear 408, a second gear ring 411 is meshed on the top of the second circular gear 408, an arc-shaped clamping plate 412 is slidably arranged outside the second gear ring 411, a third fixing rod 413 is arranged on the side of the arc-shaped clamping plate 412, the first rotating shaft 402 is arranged at the axis of the second gear ring 411, when the motor 401 starts, it drives the second rotating shaft 403 to rotate, the second rotating shaft 403 drives the first gear ring 404 to rotate, the first gear ring 404 drives the first circular gear 405 to rotate, the first circular gear 405 drives the second circular gear 408 to rotate in the opposite direction, the second circular gear 408 drives the second gear ring 411 to rotate, thereby driving the first rotating shaft 402 to rotate, making the rotation directions of the first rotating shaft 402 and the second rotating shaft 403 opposite. The stirring component includes a fixing ring 418, a first stirring rod 417, a second stirring rod 419, a connecting ring 414, and a mounting plate 415; the fixing ring 418 is arranged outside the second rotating shaft 403, the second stirring rod 419 is arranged outside the fixing ring 418, the connecting ring 414 is arranged on the top of the first rotating shaft 402, the mounting plate 415 is arranged on the side of the connecting ring 414 away from the first rotating shaft 402, a fixing piece 416 is arranged on the side of the mounting plate 415, the first stirring rod 417 is arranged on the side of the mounting piece, the first rotating shaft 402 and the second rotating shaft 403 respectively drive the first stirring rod 417 and the second stirring rod 419 to rotate in the opposite direction, thereby enabling the waste liquid and the coagulant inside the recovery barrel 1 to be quickly mixed and adsorbed evenly, improving the working efficiency.

[0038] In summary, when the utility model is in use, pour the pyromellitic dianhydride waste liquid into the recovery barrel 1. Drive the grid baffle 305 to move through the pull ring 304 and close the two grid baffles 305. Then start the motor 401 to drive the second rotating shaft 403 to rotate. The second rotating shaft 403 drives the first gear ring 404 to rotate. The first gear ring 404 drives the first circular gear 405 to rotate. The first circular gear 405 drives the second circular gear 408 to rotate in the reverse direction. The second circular gear 408 drives the second gear ring 411 to rotate, thereby driving the first rotating shaft 402 to rotate. The second rotating shaft 403 drives the second stirring rod 419 to rotate through the fixed ring 418. The first rotating shaft 402 drives the first stirring rod 417 to rotate in the reverse direction through the connecting ring 414 and the mounting plate 415, so that the waste liquid and the coagulant inside the recovery barrel 1 are quickly mixed and adsorbed evenly. Then separate the grid baffle 305. The guide plate 307 and the filter plate 306 facilitate better solid-liquid separation. The separated waste liquid enters the waste liquid barrel 301 through the conical platform 420, and the solid remains on the filter plate 306. The solid can be cleaned out by pulling open the grid baffle 305 through the pull ring 304, and the waste liquid is extracted from the waste liquid barrel 301 through the extraction port 302.

[0039] The above has described in detail the embodiments of the present utility model in conjunction with the accompanying drawings. However, the present utility model is not limited thereto. Various changes can be made without departing from the spirit of the present utility model within the scope of knowledge possessed by those skilled in the art to which it pertains.

Claims

1. A wastewater recycling device, comprising a recycling barrel (1) and a connecting pipe (2) arranged at the top of the recycling barrel (1); characterized in that, It further includes: A recycling mechanism, which is arranged outside the recycling bucket (1) and is used to separately collect the solid and liquid products obtained from the wastewater reaction; And a stirring mechanism, which is arranged inside the recycling bucket (1) and is used to assist the reaction of the waste liquid by reverse rotation between each stirring device.

2. The wastewater recovery device according to claim 1, wherein The recycling mechanism includes a waste liquid bucket (301), an extraction port (302) and a classification component; The waste liquid bucket (301) is arranged at the bottom of the recycling bucket (1), and the extraction port (302) is arranged at the top of the waste liquid bucket (301). Through the extraction port (302), the treated waste liquid collected in the waste liquid bucket (301) can be extracted; The classification component is arranged inside the waste liquid bucket (301) and is used to separate the solid and liquid of the treated waste liquid.

3. The wastewater recycling device according to claim 2, characterized in that, The separation component includes a sealing plate (303), a pull ring (304), a grid baffle (305), a filter plate (306) and a guide plate (307); The grid baffle (305) is slidably arranged inside the recycling bucket (1), the sealing plate (303) is arranged at the end of the grid baffle (305), the pull ring (304) is arranged on the side of the sealing plate (303) away from the grid baffle (305), the guide plate (307) is slidably arranged on the side of the grid baffle (305), and the filter plate (306) is slidably arranged at the bottom of the grid baffle (305).

4. The wastewater recovery device according to claim 1, wherein, The stirring mechanism includes a conical platform (420), a reverse rotation component and a stirring component; The conical platform (420) is arranged inside the recycling bucket (1); The reverse rotation component is arranged inside the conical platform (420) and is used to drive the stirring component to rotate forward and reverse respectively at the same axis; The stirring component is arranged on the top of the reverse rotation component and is used to mix and stir the waste liquid and the coagulant.

5. The wastewater recycling device according to claim 4, characterized in that, The reverse rotation component includes a motor (401), a first rotating shaft (402), a second rotating shaft (403), a first gear ring (404) and a second gear ring (411); The second rotating shaft (403) is rotatably arranged at the axis of the conical platform (420), the motor (401) is arranged at the bottom of the second rotating shaft (403), the first gear ring (404) is arranged outside the second rotating shaft (403), a first circular gear (405) is meshed inside the first gear ring (404), a first connecting rod (406) is rotatably arranged at the axis of the first circular gear (405), a first fixing rod (407) is arranged at the end of the first connecting rod (406) away from the first circular gear (405), a second circular gear (408) is meshed on the side of the first circular gear (405), a second connecting rod (409) is rotatably arranged at the bottom of the first circular gear (405), a second fixing rod (410) is arranged at the end of the second connecting rod (409) away from the second circular gear (408), a second gear ring (411) is meshed on the top of the second circular gear (408), an arc-shaped clamping plate (412) is slidably arranged outside the second gear ring (411), a third fixing rod (413) is arranged on the side of the arc-shaped clamping plate (412), and a first rotating shaft (402) is arranged at the axis of the second gear ring (411).

6. The wastewater recovery device according to claim 5, characterized in that, The stirring assembly includes a fixing ring (418), a first stirring rod (417), a second stirring rod (419), a connecting ring (414), a fixing piece (416) and a mounting plate (415); The fixing ring (418) is arranged on the outer side of the second rotating shaft (403), the second stirring rod (419) is arranged on the outer side of the fixing ring (418), the connecting ring (414) is arranged on the top of the first rotating shaft (402), the mounting plate (415) is arranged on the side of the connecting ring (414) away from the first rotating shaft (402), the fixing piece (416) is arranged on the side surface of the mounting plate (415), and the first stirring rod (417) is arranged on the side surface of the mounting piece.

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