Two-stage aerobic biochemical treatment device for PTA (pure terephthalic acid) production wastewater

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a PTA (pure terephthalic acid) production wastewater two-stage aerobic biochemical treatment device which comprises a box body, a conveying mechanism is mounted on the box body, the conveying mechanism comprises a partition plate, the partition plate is mounted at the center line in the box body, conveying pipes are mounted at two ends of the box body respectively, and a communicating groove is formed in the partition plate. A stirring rod is rotationally connected into the other end of the box body, a plurality of push rods distributed annularly are vertically connected to the stirring rod, a plurality of spray holes distributed at equal intervals are formed in the side walls of the push rods, a motor is installed on the outer side of the box body, an output shaft of the motor is connected with the stirring rod, and the other end of the stirring rod extends to the outer side of the box body; the other end of the stirring rod is connected with an air inlet pipe through a rotary joint; a cleaning mechanism is mounted at the top of the box body; sewage can be stirred when oxygen is injected, so that the oxygen and the sewage are fully mixed, blockage is reduced, the reaction effect is improved, and sewage treatment is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to a biochemical treatment device, concretely to a PTA production wastewater two-stage aerobic biochemical treatment device, belongs to sewage treatment technical field. BACKGROUND

[0002] The p - terephthalic acid is called PTA simply, and it is an important organic chemical material, is the raw material or intermediate of producing polyester fiber dacron, plastic plasticizer, pesticide and dyestuff etc.

[0003] However, in the aerobic and anaerobic biochemical treatment of sewage, most of the oxygen injection in the aerobic tank is installed at the bottom of the tank, which is easy to be blocked by the sediment, and lacks good stirring measures, so that the oxygen and sewage are mixed poorly, and the biochemical reaction effect is affected. UTILITY MODEL CONTENT

[0004] The utility model discloses a PTA production wastewater two-stage aerobic biochemical treatment device, can stir sewage when injecting oxygen, make oxygen and sewage mix fully, also reduce the blockage, and increase the reaction effect, make sewage treatment better.

[0005] The utility model discloses a PTA production wastewater two-stage aerobic biochemical treatment device through following technical scheme, including the box, be installed with conveying mechanism on the box, conveying mechanism includes the baffle, the baffle is installed at the inside median line of the box, the baffle is '' 7 '' character shape structure, the both ends of the box are installed with the conveying pipe respectively, the conveying pipe one end extends to the inboard of the box, be equipped with the intercommunication groove on the baffle, the inside installation of the other end of the box has the stirring mechanism, the stirring mechanism includes the stirring rod, the rotation joint of the stirring rod has in the other end of the box, the stirring rod is vertically connected with a plurality of annular distribution's push rod on the stirring rod, the stirring rod, push rod are all the cylindrical structure of hollow, a plurality of push rod side walls are equipped with a plurality of equidistance distribution's injection port, the motor is installed outside the box, the motor output shaft is connected with the stirring rod, the other end of the stirring rod extends to the outside of the box, the other end of the stirring rod is connected with the air inlet pipe through the swivel joint, the cleaning mechanism is installed at the top of the box.

[0006] Preferably, the bottom of the box is installed with the base at four corners respectively, and the base is a rectangular rubber material.

[0007] Preferably, the cleaning mechanism comprises rollers, the top of the box is rotatably connected with rollers at both ends, the two rollers are connected by a conveyor belt, and the conveyor belt has a certain angle with the top of the box.

[0008] Preferably, the top of the partition plate has a certain slope, and the top of the partition plate is provided with an arc-shaped sewage discharge groove.

[0009] Preferably, a sewage discharge pipe is arranged on one side of the box, and the sewage discharge pipe extends to the inside bottom of the sewage discharge groove.

[0010] Preferably, the side wall of the conveyor belt is vertically connected with a plurality of push plates distributed at equal intervals, and the push plates are located on the top of the partition plate.

[0011] Preferably, one end of one of the rollers extends to the outside of the box, and one end of the roller and one end of the stirring rod are respectively provided with belt pulleys, and the two belt pulleys are connected by a transmission belt.

[0012] Preferably, the top of the box is provided with a vertical plate in the shape of a "concave" character, and the two ends of the two rollers are rotatably connected with the two sides of the vertical plate.

[0013] Preferably, the inner part of the plurality of push rods is respectively provided with a one-way valve, and one end of the one-way valve extends to the inside of the spray hole.

[0014] The beneficial effects of the utility model are: through the installation of the partition plate, the box is divided into two chambers, one is sealed and the other is open, thereby realizing anaerobic and aerobic biochemical treatment of sewage, through the opening of the communication groove, the sewage in the box is circulated, through the installation of the conveying pipe, the sewage enters the inside of one end of the box for anaerobic treatment, the treated sewage enters the inside of the other end of the box through the communication groove, the air inlet pipe is connected with oxygen, under the working of the motor, the stirring rod drives the plurality of push rods to stir in the sewage, oxygen enters the inside of the stirring rod and the plurality of push rods through the rotary joint, and is discharged from the plurality of spray holes to fully mix with the sewage, thereby playing a role in biochemical treatment, the treated sewage is discharged through another conveying pipe for next step treatment, the aerobic treated sewage produces floating matter, through the cooperation of the cleaning mechanism, the floating matter is quickly cleaned and recycled. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the connection structure schematic view of the conveyor belt and the box of the utility model;

[0017] Figure 3 It is the connection structure schematic view of the partition plate and the box of the utility model;

[0018] Figure 4 The connecting structure diagram of the push plate and the conveying belt of the utility model;

[0019] Figure 5 The connecting structure diagram of the push rod and the stirring rod of the utility model;

[0020] Figure 6 The connecting structure diagram of the one-way valve and the push rod of the utility model.

[0021] In the figure: 1, box; 2, base; 3, conveying mechanism; 301, conveying pipe; 302, partition; 303, communication groove; 4, stirring mechanism; 401, air inlet pipe; 402, stirring rod; 403, push rod; 404, spray hole; 405, motor; 406, rotary joint; 407, one-way valve; 5, cleaning mechanism; 501, pulley; 502, transmission belt; 503, roller shaft; 504, vertical plate; 505, conveying belt; 506, sewage pipe; 507, sewage groove; 508, push plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-6 As shown in the figure, a two-stage aerobic biochemical treatment device for PTA production wastewater includes a box 1, the box 1 is provided with a conveying mechanism 3, the conveying mechanism 3 includes a partition 302, the partition 302 is installed at the middle line inside the box 1, the partition 302 is a "7" shaped structure, the box 1 is provided with a conveying pipe 301 at each end, one end of the conveying pipe 301 extends to the inside of the box 1, the partition 302 is provided with a communication groove 303, the other end of the box 1 is internally provided with a stirring mechanism 4, the stirring mechanism 4 includes a stirring rod 402, the stirring rod 402 is rotatably connected to the other end of the box 1, a plurality of push rods 403 are vertically connected to the stirring rod 402 and are annularly distributed, the stirring rod 402 and the push rod 403 are both hollow cylindrical structures, a plurality of spray holes 404 are equidistantly distributed on the side wall of the push rod 403, a motor 405 is installed outside the box 1, the output shaft of the motor 405 is connected to the stirring rod 402, the other end of the stirring rod 402 extends to the outside of the box 1, the other end of the stirring rod 402 is connected to an air inlet pipe 401 through a rotary joint 406, and the box 1 is provided with a cleaning mechanism 5 at the top.

[0024] As a technical optimization scheme of the utility model, the base 2 is rectangular rubber material, through the installation of the base 2, it is favorable to support and stabilize the box 1 and prevent slipping.

[0025] As a technical optimization scheme of the utility model, the cleaning mechanism 5 includes roller shaft 503, the both ends of the box 1 top are rotatably connected with roller shaft 503, two roller shafts 503 are connected through conveyor belt 505, the conveyor belt 505 and the top of the box 1 have a certain angle, through the installation of two roller shafts 503, it is favorable to the connection of conveyor belt 505, through the rotation of one of roller shafts 503, the conveyor belt 505 is used to transport and guide out the floating material generated at the other end of the box 1, and the effect of rapid cleaning is achieved.

[0026] As a technical optimization scheme of the utility model, the top of the partition plate 302 has a certain slope, one end of the top of the partition plate 302 is provided with an arc-shaped pollution discharge groove 507, through the top of the partition plate 302 having a certain slope, it is favorable to the good conveying and lifting of sundries to the inside of the pollution discharge groove 507.

[0027] As a technical optimization scheme of the utility model, the box 1 is provided with a pollution discharge pipe 506 on one side, one end of the pollution discharge pipe 506 extends to the inside bottom side of the pollution discharge groove 507, through the installation of the pollution discharge pipe 506, it is favorable to the cleaning of the stored floating material.

[0028] As a technical optimization scheme of the utility model, the side wall of the conveyor belt 505 is vertically connected with a plurality of equidistantly distributed push plates 508, the push plate 508 is located on the top of the partition plate 302, through the cooperation of the push plate 508 and the conveyor belt 505, it is favorable to the good pushing of the push plate 508 to the floating material in the pollution discharge groove 507 when the conveyor belt 505 rotates.

[0029] As a technical optimization scheme of the utility model, one end of one of the roller shafts 503 extends to the outside of the box 1, one end of the roller shaft 503 and one end of the stirring rod 402 are respectively provided with belt pulleys 501, two belt pulleys 501 are connected through a transmission belt 502, through the installation of two belt pulleys 501, under the cooperation of the transmission belt 502, the stirring rod 402 can drive the conveyor belt 505 to work, realizes that stirring and cleaning are carried out simultaneously, and operation is more convenient.

[0030] As a technical optimization scheme of the utility model, the box 1 top is equipped with the vertical board 504 of "concave" shape structure, wherein both ends of two roller shafts 503 are rotatably connected with both sides of the vertical board 504, through the installation of the vertical board 504, it is beneficial to the increase of the box 1 top, realizes the shielding of both sides of the conveying belt 505, prevents the overflow of floating matter.

[0031] As a technical optimization scheme of the utility model, a plurality of the push rod 403 is respectively equipped with a check valve 407, one end of the check valve 407 extends to the inside of the spray hole 404, through the installation of the check valve 407, it is beneficial to the spray of oxygen and the prevention of the entry of external water, plays the role of anti-clogging.

[0032] In use, first, the box 1 is placed stably through four bases 2, then the conveying pipe 301 is connected with the external sewage pipe, after the sewage enters the inside of the box 1, it is treated in the anaerobic environment for a certain time, then the treated sewage enters the inside of the other end of the box 1 through the communication groove 303, the air inlet pipe 401 is connected with oxygen, under the work of the motor 405, the stirring rod 402 drives a plurality of push rods 403 to stir in the sewage, at the same time, oxygen enters the inside of the stirring rod 402 and a plurality of push rods 403 through the rotary joint 406, and is guided out from a plurality of check valves 407 and spray holes 404, realizes the full combination of oxygen and sewage, plays the role of biochemical treatment, the treated sewage is guided out through another conveying pipe 301 for next step treatment, the aerobic treated sewage produces floating matter, through the driving of the transmission belt 502 in the process of the rotation of the stirring rod 402, the conveying belt 505 can work, when the conveying belt 505 works, a plurality of push plates 508 push the floating matter on the top of the box 1 to the inside of the sewage discharge groove 507, and are discharged and recycled through the sewage discharge pipe 506.

[0033] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

[0034] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A two-stage aerobic biochemical treatment device for PTA production wastewater, comprising a box body (1), characterized in that: The box (1) is provided with a conveying mechanism (3), the conveying mechanism (3) comprises a partition (302), the partition (302) is arranged at the middle line of the inside of the box (1), the partition (302) is a "7" shaped structure, the box (1) is provided with a conveying pipe (301) at each end, one end of the conveying pipe (301) extends to the inside of the box (1), the partition (302) is provided with a communication groove (303), the other end of the box (1) is provided with a stirring mechanism (4), the stirring mechanism (4) comprises a stirring rod (402), the stirring rod (402) is rotatably connected to the other end of the box (1), a plurality of push rods (403) are vertically connected to the stirring rod (402) and arranged in a ring shape, the stirring rod (402) and the push rod (403) are both hollow cylindrical structures, a plurality of spray holes (404) are arranged on the side wall of the push rod (403) and arranged at equal intervals, a motor (405) is arranged on the outside of the box (1), the output shaft of the motor (405) is connected with the stirring rod (402), the other end of the stirring rod (402) extends to the outside of the box (1), the other end of the stirring rod (402) is connected with an air inlet pipe (401) through a rotary joint (406), and a cleaning mechanism (5) is arranged on the top of the box (1).

2. The two-stage aerobic biochemical treatment device for PTA production wastewater according to claim 1, characterized in that: The base (2) is a rectangular rubber material.

3. The two-stage aerobic biochemical treatment device for PTA production wastewater according to claim 1, characterized in that: The cleaning mechanism (5) comprises a roller shaft (503), the roller shaft (503) is rotatably connected to the top of the box (1) at both ends, the two roller shafts (503) are connected through a conveying belt (505), and the conveying belt (505) and the top of the box (1) are at a certain angle.

4. The two-stage aerobic biochemical treatment device for PTA production wastewater according to claim 1, characterized in that: The partition (302) has a certain slope on the top, and an arc-shaped pollution discharge groove (507) is arranged at one end of the top of the partition (302).

5. The two-stage aerobic biochemical treatment device for PTA production wastewater according to claim 4, characterized in that: A pollution discharge pipe (506) is arranged on one side of the box (1), and one end of the pollution discharge pipe (506) extends to the bottom side of the inside of the pollution discharge groove (507).

6. The two-stage aerobic biochemical treatment device for PTA production wastewater according to claim 3, characterized in that: The side wall of the conveying belt (505) is vertically connected with a plurality of push plates (508) arranged at equal intervals, and the push plates (508) are located on the top of the partition (302).

7. The two-stage aerobic biochemical treatment device for PTA production wastewater according to claim 6, characterized in that: One end of the roller shaft (503) extends to the outside of the box (1), and a belt pulley (501) is arranged at one end of the roller shaft (503) and one end of the stirring rod (402).

8. The two-stage aerobic biochemical treatment device for PTA production wastewater according to claim 7, characterized in that: The top of the box (1) is provided with a "concave" shaped vertical plate (504), and the two ends of the two roller shafts (503) are rotatably connected to the two sides of the vertical plate (504).

9. The two-stage aerobic biochemical treatment device for PTA production wastewater according to claim 1, characterized in that: A one-way valve (407) is arranged in the inside of each push rod (403). One end of the one-way valve (407) extends to the inside of the spray hole (404).

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