Biochemical treatment device for coking wastewater

Abstract

The utility model discloses a coking wastewater biochemical treatment device which comprises a mixing and stirring tank, and a water inlet pipe is arranged at the top of the mixing and stirring tank. The first motor and the second motor are started, the first motor drives the driving plate to rotate, the driving plate drives the transmission belt to rotate, the transmission belt drives the rotary linkage plate to rotate, the driving plate and the linkage plate drive the bidirectional screw to rotate, the bidirectional screw drives the movable mounting plate to move back and forth, and the movable mounting plate drives the rotary stirring rod to move. A second motor drives a rotating stirring rod to rotate, the rotating stirring rod drives fan-shaped stirring blades to rotate, the fan-shaped stirring blades rotate to stir wastewater, meanwhile, the moving fan-shaped stirring blades can uniformly mix the wastewater and microorganisms in the mixing and stirring tank, and the device has the advantage of efficient mixing; when the fan-shaped stirring blades move, the wastewater is driven to flow, and the wastewater in a flowing state can be better mixed with microorganisms, so that the biochemical treatment efficiency of the wastewater is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste water, in particular to a biochemical treatment device for coking waste water. Background Art

[0002] With the development of the coking industry, the large amount of wastewater generated in its production process has become a serious environmental problem. Coking wastewater contains high concentrations of organic matter, ammonia nitrogen, phenols, cyanide, thiocyanide and other pollutants, and has the characteristics of complex water quality composition, high toxicity, and poor biodegradability. Traditional physical and chemical treatment methods, such as adsorption, extraction, and chemical oxidation, although they can remove some pollutants to a certain extent, often have high treatment costs, easy to produce secondary pollution, and difficulty in completely removing pollutants. In this context, biochemical treatment technology has gradually received attention due to its high treatment efficiency, relatively low cost, and environmental friendliness. Biochemical treatment mainly uses the metabolic action of microorganisms to convert organic pollutants in wastewater into harmless substances.

[0003] During the biochemical treatment process, wastewater and microorganisms need to be mixed using a stirring device. The stirring intensity should be moderate. Excessive stirring may destroy the microbial flocs and affect the growth and metabolism of the microorganisms. Insufficient stirring intensity may cause uneven mixing of wastewater and microorganisms, affecting the treatment effect. Existing stirring devices are generally fixed on the top of the stirring tank, requiring the use of more rotating stirring rods, and there are dead corners for stirring, making it difficult to evenly mix the wastewater and microorganisms, reducing the stirring efficiency.

[0004] Therefore, it is necessary to redesign the stirring device to effectively prevent the phenomenon of uneven stirring. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a biochemical treatment device for coking wastewater, which has the advantage of efficient mixing and solves the need to mix wastewater and microorganisms in the process of biochemical treatment. A stirring device is used to mix them. The stirring intensity should be moderate. Excessive stirring may destroy the microbial flocs and affect the growth and metabolism of microorganisms. Insufficient stirring intensity may cause uneven mixing of wastewater and microorganisms, affecting the treatment effect. The existing stirring device is generally fixed on the top of the stirring tank, requiring the use of more rotating stirring rods, and there are dead corners for stirring, making it difficult to evenly mix the wastewater and microorganisms, thereby reducing the stirring efficiency.

[0006] To achieve the above object, the present utility model provides the following technical solutions: a biochemical treatment device for coking wastewater, including a mixing and stirring tank. An inlet pipe is provided at the top of the mixing and stirring tank, and an outlet pipe is communicated with the top of the mixing and stirring tank. Fixing plates are fixedly connected to the front side and the rear side of the top of the mixing and stirring tank. A first motor is fixedly connected to the left side of the front fixing plate, a driving plate is fixedly connected to the right side of the first motor, a transmission belt is rotatably connected to the surface of the driving plate, a linkage plate is rotatably connected to the side of the transmission belt away from the driving plate, and a moving stirring mechanism is provided at the top of the mixing and stirring tank.

[0007] Preferably, the moving stirring mechanism includes positioning and mounting plates fixedly connected to the left and right sides of the top of the fixing plate. A bidirectional screw rod is rotatably connected to the inside of the positioning and mounting plates. The left side of the front bidirectional screw rod is fixedly connected to the right side of the driving plate, and the left side of the rear bidirectional screw rod is fixedly connected to the right side of the linkage plate. Moving mounting plates are threadedly connected to the left and right sides of the surface of the bidirectional screw rod. A rotating stirring rod is movably connected to the inside of the moving mounting plates. The front side of the rotating stirring rod penetrates to the front side of the front moving mounting plate, a second motor is fixedly connected to the front side of the rotating stirring rod, fan-shaped stirring blades are fixedly connected to the surface of the rotating stirring rod, the number of the fan-shaped stirring blades is several, and several of the fan-shaped stirring blades are distributed at equal intervals.

[0008] Preferably, a limiting plate is fixedly connected to the right side of the bidirectional screw rod, and the limiting plate is located at the top of the mixing and stirring tank.

[0009] Preferably, a shielding plate is fixedly connected to the top of the left positioning and mounting plate, and the shielding plate is located at the top of the mixing and stirring tank.

[0010] Preferably, reinforcing and limiting plates are fixedly connected to the front and rear sides of the top of the shielding plate, and the reinforcing and limiting plates are sleeved on the surface of the inlet pipe.

[0011] Preferably, a limiting and blocking plate is fixedly connected to the surface of the bidirectional screw rod, and the bottom of the limiting and blocking plate is fixedly connected to the top of the mixing and stirring tank.

[0012] Preferably, a foam scraping plate is fixedly connected to the inside of the moving mounting plate, and the foam scraping plate is located inside the mixing and stirring tank.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. By starting the first motor and the second motor, the first motor drives the drive plate to rotate, the drive plate drives the transmission belt to rotate, the transmission belt drives the rotating linkage plate to rotate, the drive plate and the linkage plate drive the bidirectional screw to rotate, the bidirectional screw drives the moving mounting plate to move back and forth, the moving mounting plate drives the rotating stirring rod to move, the rotating stirring rod drives the fan-shaped stirring blade to move. While the rotating stirring rod is moving, the second motor drives the rotating stirring rod to rotate, and the rotating stirring rod drives the fan-shaped stirring blade to rotate. The fan-shaped stirring blade rotates to stir the wastewater. At the same time, the moving fan-shaped stirring blade can evenly mix the wastewater and microorganisms in the mixing and stirring pool, having the advantage of efficient mixing. The moving stirring mechanism can drive the fan-shaped stirring blade to move back and forth. When the fan-shaped stirring blade moves, it drives the wastewater to flow. The wastewater in the flowing state can be better mixed with the microorganisms, improving the biochemical treatment efficiency of the wastewater.

[0015] 2. By setting the moving stirring mechanism, the rotating stirring rod can be moved, avoiding the situation that the fan-shaped stirring blade cannot move, resulting in uneven mixing of the wastewater and microorganisms, and improving the use efficiency of the fan-shaped stirring blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural view of the present utility model;

[0017] Figure 2 is a perspective view of the foam scraping plate of the present utility model;

[0018] Figure 3 is a perspective view of the shielding plate of the present utility model;

[0019] Figure 4 is a perspective view of the linkage plate of the present utility model;

[0020] Figure 5 is a perspective view of the fan-shaped stirring blade of the present utility model.

[0021] In the figure: 1, mixing and stirring pool; 2, water inlet pipe; 3, water outlet pipe; 4, fixing plate; 5, first motor; 6, drive plate; 7, transmission belt; 8, linkage plate; 9, moving stirring mechanism; 91, positioning mounting plate; 92, bidirectional screw; 93, moving mounting plate; 94, rotating stirring rod; 95, second motor; 96, fan-shaped stirring blade; 10, limiting plate; 11, shielding plate; 12, reinforcing limiting plate; 13, limiting and blocking plate; 14, foam scraping plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] As Figures 1 to 5 shown, the coking wastewater biochemical treatment device provided by the present invention includes a mixing and stirring tank 1. A water inlet pipe 2 is arranged at the top of the mixing and stirring tank 1. A water outlet pipe 3 is communicated with the top of the mixing and stirring tank 1. Fixed plates 4 are fixedly connected to the front side and the rear side of the top of the mixing and stirring tank 1. A first motor 5 is fixedly connected to the left side of the front fixed plate 4. A driving plate 6 is fixedly connected to the right side of the first motor 5. A transmission belt 7 is rotatably connected to the surface of the driving plate 6. The side of the transmission belt 7 away from the driving plate 6 is rotatably connected to a linkage plate 8. A moving stirring mechanism 9 is arranged at the top of the mixing and stirring tank 1.

[0024] Referring Figure 5 to, the moving stirring mechanism 9 includes a positioning and mounting plate 91. The positioning and mounting plate 91 is fixedly connected to the left side and the right side of the top of the fixed plate 4. A bidirectional screw 92 is rotatably connected to the inside of the positioning and mounting plate 91. The left side of the front bidirectional screw 92 is fixedly connected to the right side of the driving plate 6. The left side of the rear bidirectional screw 92 is fixedly connected to the right side of the linkage plate 8. Moving mounting plates 93 are threadedly connected to both the left side and the right side of the surface of the bidirectional screw 92. A rotating stirring rod 94 is movably connected to the inside of the moving mounting plate 93. The front side of the rotating stirring rod 94 penetrates through the front side of the front moving mounting plate 93. A second motor 95 is fixedly connected to the front side of the rotating stirring rod 94. Sector-shaped stirring blades 96 are fixedly connected to the surface of the rotating stirring rod 94. The number of the sector-shaped stirring blades 96 is several, and several sector-shaped stirring blades 96 are distributed at equal intervals.

[0025] As a technical optimization scheme of the present invention, by setting the moving stirring mechanism 9, the rotating stirring rod 94 can be moved, avoiding the situation that the sector-shaped stirring blades 96 cannot move, resulting in uneven mixing of wastewater and microorganisms, and improving the use efficiency of the sector-shaped stirring blades 96.

[0026] Referring Figure 2 to, a limiting plate 10 is fixedly connected to the right side of the bidirectional screw 92. The limiting plate 10 is located at the top of the mixing and stirring tank 1.

[0027] As a technical optimization scheme of the present invention, by setting the limiting plate 10, the bidirectional screw 92 can be limited, avoiding loosening of the bidirectional screw 92 after long-term use, resulting in shaking of the bidirectional screw 92, and improving the use stability of the bidirectional screw 92.

[0028] Reference Figure 3 , a baffle plate 11 is fixedly connected to the top of the left positioning mounting plate 91, and the baffle plate 11 is located at the top of the mixing and stirring tank 1.

[0029] As a technical optimization scheme of the present utility model, by providing the baffle plate 11, the drive belt 7 can be shielded to prevent the drive belt 7 from being exposed to the environment, resulting in damage to the drive belt 7 due to external damage, and improving the use stability of the drive belt 7.

[0030] Reference Figure 3 , reinforcing and limiting plates 12 are fixedly connected to the front and rear sides of the top of the baffle plate 11, and the reinforcing and limiting plates 12 are sleeved on the surface of the water inlet pipe 2.

[0031] As a technical optimization scheme of the present utility model, by providing the reinforcing and limiting plates 12, the water inlet pipe 2 can be reinforced and limited to prevent the water inlet pipe 2 from shaking after long-term use, resulting in the water inlet pipe 2 colliding with the baffle plate 11, and improving the use stability of the water inlet pipe 2.

[0032] Reference Figure 3 , a limiting and blocking plate 13 is fixedly connected to the surface of the bidirectional screw 92, and the bottom of the limiting and blocking plate 13 is fixedly connected to the top of the mixing and stirring tank 1.

[0033] As a technical optimization scheme of the present utility model, by providing the limiting and blocking plate 13, the moving mounting plate 93 can be limited to prevent the moving mounting plate 93 from moving excessively, resulting in the sector-shaped stirring blades 96 colliding with each other, and improving the use safety of the moving mounting plate 93.

[0034] Reference Figure 2 , a foam scraping plate 14 is fixedly connected to the inner side of the moving mounting plate 93, and the foam scraping plate 14 is located inside the mixing and stirring tank 1.

[0035] As a technical optimization scheme of the present utility model, by providing the foam scraping plate 14, the foam generated during wastewater treatment can be scraped off to prevent the space in the mixing and stirring tank 1 from being occupied, resulting in a reduction in the amount of wastewater that can be treated, and increasing the available space of the mixing and stirring tank 1.

[0036] The working principle and use process of the utility model: when it is needed to stir the wastewater and microorganisms during use, first start the first motor 5 and the second motor 95, the first motor 5 drives the driving plate 6 to rotate, the driving plate 6 drives the transmission belt 7 to rotate, the transmission belt 7 drives the rotating linkage plate 8 to rotate, the driving plate 6 and the linkage plate 8 drive the bidirectional screw 92 to rotate, the bidirectional screw 92 drives the movable mounting plate 93 to move back and forth, the movable mounting plate 93 drives the rotating stirring rod 94 to move, the rotating stirring rod 94 drives the fan-shaped stirring blade 96 to move, while the rotating stirring rod 94 moves, the second motor 95 drives the rotating stirring rod 94 to rotate, the rotating stirring rod 94 drives the fan-shaped stirring blade 96 to rotate, the fan-shaped stirring blade 96 rotates to stir the wastewater, and at the same time, the moving fan-shaped stirring blade 96 can evenly mix the wastewater and microorganisms in the mixing and stirring tank 1, thereby having the advantage of efficient mixing.

[0037] To sum up: the biochemical treatment device for coking wastewater solves the problem of mixing wastewater and microorganisms during biochemical treatment through the coordinated use of a mixing and stirring tank 1, an inlet pipe 2, an outlet pipe 3, a fixed plate 4, a first motor 5, a drive plate 6, a transmission belt 7, a linkage plate 8 and a mobile stirring mechanism 9. A stirring device is used to mix the wastewater and the microorganisms. The stirring intensity should be moderate during stirring. Excessive stirring may destroy the microbial flocs and affect the growth and metabolism of the microorganisms. Insufficient stirring intensity may cause uneven mixing of the wastewater and the microorganisms, affecting the treatment effect. The existing stirring device is generally fixed on the top of the stirring tank, and requires the use of more rotating stirring rods. There are also dead corners for stirring, making it difficult to evenly mix the wastewater and the microorganisms, thereby reducing the stirring efficiency.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A biochemical treatment device for coking wastewater, comprising a mixing and stirring tank (1), characterized in that: The top of the mixing and stirring tank (1) is provided with a water inlet pipe (2), the top of the mixing and stirring tank (1) is connected with a water outlet pipe (3), the front side and the rear side of the top of the mixing and stirring tank (1) are fixedly connected with a fixing plate (4), the left side of the front fixing plate (4) is fixedly connected with a first motor (5), the right side of the first motor (5) is fixedly connected with a driving plate (6), the surface of the driving plate (6) is rotatably connected with a transmission belt (7), the side of the transmission belt (7) away from the driving plate (6) is rotatably connected with a linkage plate (8), and the top of the mixing and stirring tank (1) is provided with a movable stirring mechanism (9).

2. The biochemical treatment device for coking wastewater according to claim 1 is characterized in that: The movable stirring mechanism (9) comprises a positioning mounting plate (91), wherein the positioning mounting plate (91) is fixedly connected to the left and right sides of the top of the fixed plate (4), and a bidirectional screw (92) is rotatably connected to the inner side of the positioning mounting plate (91), wherein the left side of the bidirectional screw (92) on the front side is fixedly connected to the right side of the driving plate (6), and the left side of the bidirectional screw (92) on the rear side is fixedly connected to the right side of the linkage plate (8), and the left and right sides of the surface of the bidirectional screw (92) are both threadedly connected to movable A movable mounting plate (93) is provided, wherein the inner side of the movable mounting plate (93) is movably connected to a rotating stirring rod (94), the front side of the rotating stirring rod (94) extends to the front side of the front movable mounting plate (93), the front side of the rotating stirring rod (94) is fixedly connected to a second motor (95), the surface of the rotating stirring rod (94) is fixedly connected to a fan-shaped stirring blade (96), the number of the fan-shaped stirring blades (96) is several, and the several fan-shaped stirring blades (96) are distributed at equal distances.

3. The biochemical treatment device for coking wastewater according to claim 2 is characterized in that: The right side of the bidirectional screw (92) is fixedly connected to a limit plate (10), and the limit plate (10) is located at the top of the mixing and stirring tank (1).

4. The biochemical treatment device for coking wastewater according to claim 2 is characterized in that: A shielding plate (11) is fixedly connected to the top of the positioning and mounting plate (91) on the left side, and the shielding plate (11) is located on the top of the mixing and stirring tank (1).

5. The biochemical treatment device for coking wastewater according to claim 4 is characterized in that: The front side and the rear side of the top of the shielding plate (11) are both fixedly connected with a reinforcing limit plate (12), and the reinforcing limit plate (12) is sleeved on the surface of the water inlet pipe (2).

6. The biochemical treatment device for coking wastewater according to claim 2 is characterized in that: The surface of the bidirectional screw (92) is fixedly connected to a limit blocking plate (13), and the bottom of the limit blocking plate (13) is fixedly connected to the top of the mixing and stirring tank (1).

7. The biochemical treatment device for coking wastewater according to claim 2 is characterized in that: A foam scraping plate (14) is fixedly connected to the inner side of the movable mounting plate (93), and the foam scraping plate (14) is located inside the mixing and stirring tank (1).

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