Floating mechanism of sewage treatment equipment

Abstract

The utility model relates to wastewater treatment equipment technical field, concretely relates to a kind of float removal mechanism of sewage treatment equipment;Including sewage pool, oil scraping module and oil suction module;Oil scraping module includes sliding device, buffer device, steel rope and oil scraping mechanism, steel rope moves by sliding device, when steel rope moves, steel rope drives oil scraping mechanism synchronous movement, oil scraping mechanism is cleaned to the inner side wall of sewage surface oil and sewage pool simultaneously with movement, when oil scraping mechanism moves to the side of sewage pool, oil pollution collected by oil scraping mechanism can be realized to drain by oil suction module, by the cooperation of oil scraping mechanism, sliding device and oil suction module, the inner side wall of sewage pool can be prevented to adhere oil pollution, to cause cleaning not thorough enough.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment equipment technology, specifically to a flotation mechanism for wastewater treatment equipment. Background Technology

[0002] Coking wastewater is organic industrial wastewater generated during coking, coal gas purification, and coking product recovery. Its main characteristic pollutants include polycyclic aromatic hydrocarbons (PAHs), nitrogen-containing heterocyclic organic pollutants, ammonia nitrogen, phenols, and cyanides. It is a typical high-concentration, recalcitrant organic industrial wastewater. Air flotation for oil removal involves introducing air into oily wastewater to generate microbubbles. These microbubbles cause suspended oil particles (0.25–25 μm) to attach to the bubbles, float to the surface, and be recovered. Air flotation for oil removal is an effective method for purifying coking wastewater.

[0003] When purifying coking wastewater, the air flotation oil removal tank needs to remove a large amount of floating sludge oil inside the tank in order to separate pollutants. However, existing air flotation oil removal tanks are not easy to completely remove the floating sludge oil, which affects the purification effect of coking wastewater.

[0004] Chinese patent CN212769950U discloses an air flotation oil removal tank for coking wastewater treatment. This device uses a moving plate that drives an oil scraper to move back and forth within the tank, continuously cleaning the floating oil and improving the cleaning efficiency. A first inclined surface is provided on both sides of the bottom of the oil scraper. When the oil scraper scrapes the oil to a second inclined surface, the first and second inclined surfaces come into contact. Guided by the second inclined surface, the scraped oil is pushed along the second inclined surface into the oil inlet and falls into the oil storage tank for storage. This ensures that the floating oil in the tank is completely removed, avoiding cleaning dead zones and improving the purification effect of the coking wastewater.

[0005] Although the above-mentioned device can remove oil from the surface of wastewater, in actual operation, the floating oil in the wastewater often adheres to the inner wall of the tank. The device does not clean the inner wall of the tank, resulting in an unsatisfactory oil removal effect. Utility Model Content

[0006] To address the aforementioned problems, a flotation mechanism for wastewater treatment equipment is provided. A sliding device drives a steel rope to move, which in turn moves an oil-scraping mechanism. This mechanism cleans the surface oil of the wastewater and the inner walls of the wastewater tank as it moves. Once the oil-scraping mechanism reaches one side of the wastewater tank, an oil-suction module removes the collected oil. The coordinated operation of the oil-scraping mechanism, sliding device, and oil-suction module prevents oil from adhering to the inner walls of the wastewater tank, thus ensuring thorough cleaning.

[0007] To address the problems of existing technologies, this utility model provides a flotation mechanism for a wastewater treatment device, comprising a wastewater tank, an oil skimming module, and an oil suction module. The oil skimming module is fixedly mounted on the wastewater tank and includes a sliding device, a buffer device, a steel rope, and an oil skimming mechanism. The sliding device is slidably mounted on the wastewater tank, and four buffer devices are arranged mirror images of each other on both sides of the sliding device. The oil skimming mechanism is floating inside the wastewater tank, and a pair of steel ropes are mounted on the sliding device. The other side of the steel ropes is connected to the oil skimming mechanism. The oil suction module is fixedly mounted on the wastewater tank.

[0008] Preferably, the oil scraping mechanism includes a first scraper, a second scraper, and a floating platform; the floating platform is floatingly disposed in the sewage tank, and the top of the floating platform is connected to a steel cable; the first scraper is fixed on the floating platform; the second scraper has a pair and is mirror-displayed on both sides of the floating platform, and the side of the second scraper away from the floating platform abuts against the inner wall of the sewage tank.

[0009] Preferably, the sliding device includes a sliding frame, a driver, a slide rail, a pulley, a rotating shaft, and a pulley assembly; the slide rail has a pair and is mirror-arranged on both sides of the top of the sewage tank; the pulley is fixedly mounted on the rotating shaft, and the bottom of the pulley is rotatably mounted on the slide rail; the rotating shaft is rotatably mounted on the sliding frame; the driver is fixedly mounted on the top of the rotating shaft; one side of the pulley assembly is connected to the driver, and the other side of the pulley assembly is connected to the rotating shaft.

[0010] Preferably, the buffer device includes a first buffer mechanism, a second buffer mechanism, a third buffer mechanism, and a fourth buffer mechanism, which are mirror images of each other on both sides of the slide rail.

[0011] Preferably, the first, second, third, and fourth buffer mechanisms have the same structure. Each of the first, second, third, and fourth buffer mechanisms includes a baffle, a first telescopic rod, a second telescopic rod, a buffer plate, and a spring. The baffle is fixedly mounted on the sewage tank. The first telescopic rod is fixedly mounted on the side of the baffle closest to the slide rail. The second telescopic rod is slidably mounted on the first telescopic rod. The spring is sleeved on the second telescopic rod, with one side of the spring connected to the first telescopic rod and the other side of the spring connected to the buffer plate. The buffer plate is fixedly mounted on the side of the second telescopic rod away from the first telescopic rod, and the bottom of the buffer plate is slidably mounted on the slide rail.

[0012] Preferably, multiple sets of buffer blocks are provided on the side of the buffer plate away from the second telescopic rod.

[0013] Preferably, the oil suction module includes a first oil suction device and a second oil suction device, which are arranged mirror images of each other on both sides of the top of the sewage tank.

[0014] Preferably, the first oil suction device and the second oil suction device have the same structure. Both the first oil suction device and the second oil suction device include a linear driver, an oil suction machine, an oil suction pipe, an oil discharge pipe, and an oil suction hood. The linear driver is fixedly installed on the sewage tank. The oil suction machine is fixedly installed at the output end of the linear driver. The oil suction pipe is fixedly installed on the oil suction machine. The oil suction hood is fixedly installed on the side of the oil suction pipe away from the oil suction machine. The oil discharge pipe is connected to the side of the oil suction machine away from the oil suction pipe.

[0015] The advantages of this utility model compared to the prior art are:

[0016] 1. By combining the oil scraping mechanism, sliding device and oil suction module, oil stains can be prevented from adhering to the inner wall of the sewage tank, thus preventing incomplete cleaning.

[0017] 2. By setting up a buffer device, a buffering force can be provided to the sliding device, thereby extending the service life of the equipment. Attached Figure Description

[0018] Figure 1 A three-dimensional structural diagram of the flotation mechanism in a wastewater treatment device. Figure 1 .

[0019] Figure 2 A three-dimensional structural diagram of the flotation mechanism in a wastewater treatment device. Figure 2 .

[0020] Figure 3 This is a partial three-dimensional structural diagram of the flotation mechanism of a wastewater treatment device.

[0021] Figure 4 It is a flotation mechanism in wastewater treatment equipment. Figure 1 Enlarged view of point A in the middle.

[0022] Figure 5 It is a flotation mechanism in wastewater treatment equipment. Figure 2 Enlarged view of section B in the middle.

[0023] Figure 6 It is a flotation mechanism in wastewater treatment equipment. Figure 3 Enlarged view of point C.

[0024] The diagram is labeled as follows: 1. Sewage tank; 2. Oil skimmer module; 21. Sliding device; 211. Sliding frame; 212. Driver; 213. Slide rail; 214. Pulley; 215. Rotating shaft; 216. Pulley assembly; 22. Buffer device; 221. First buffer mechanism; 2211. Baffle; 2212. First telescopic rod; 2213. Second telescopic rod; 2214. Buffer plate; 2215. Buffer block; 2216. 1. Spring; 222. Second buffer mechanism; 223. Third buffer mechanism; 224. Fourth buffer mechanism; 23. Oil scraping mechanism; 231. First scraper; 232. Second scraper; 233. Floating platform; 24. Steel rope; 3. Oil suction module; 31. First oil suction device; 311. Linear driver; 312. Oil suction machine; 313. Oil suction pipe; 314. Oil discharge pipe; 315. Oil suction hood; 32. Second oil suction device. Detailed Implementation

[0025] To further understand the features, technical means, and specific objectives and functions achieved by this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments.

[0026] See Figures 1 to 6 As shown, a flotation mechanism for a wastewater treatment device includes a wastewater tank 1, an oil skimming module 2, and an oil suction module 3. The oil skimming module 2 is fixedly mounted on the wastewater tank 1 and includes a sliding device 21, a buffer device 22, a steel rope 24, and an oil skimming mechanism 23. The sliding device 21 is slidably mounted on the wastewater tank 1. The buffer device 22 has four components and is arranged mirror-imagely on both sides of the sliding device 21. The oil skimming mechanism 23 is floatingly mounted inside the wastewater tank 1. The steel rope 24 has a pair and is mounted on the sliding device 21. The other side of the steel rope 24 is connected to the oil skimming mechanism 23. The oil suction module 3 is fixedly mounted on the wastewater tank 1.

[0027] When it is necessary to collect and treat the floating sewage inside the sewage tank 1, the sliding device 21 drives the steel rope 24 to move. When the steel rope 24 moves, it drives the oil scraping mechanism 23 to move synchronously. While moving, the oil scraping mechanism 23 cleans the floating oil on the sewage surface and the inner wall of the sewage tank 1. When the oil scraping mechanism 23 moves to one side of the sewage tank 1, the oil suction module 3 can discharge the oil collected by the oil scraping mechanism 23. Through the cooperation of the oil scraping mechanism 23, the sliding device 21 and the oil suction module 3, the oil stains adhering to the inner wall of the sewage tank 1 can be prevented, thus preventing the cleaning from being incomplete.

[0028] See Figure 3As shown, the oil scraping mechanism 23 includes a first scraper 231, a second scraper 232, and a floating platform 233; the floating platform 233 is floatingly disposed in the sewage tank 1, and the top of the floating platform 233 is connected to a steel cable. The first scraper 231 is fixed on the floating platform 233; the second scraper 232 is a pair and mirror-displayed on both sides of the floating platform 233, and the side of the second scraper 232 away from the floating platform 233 abuts against the inner wall of the sewage tank 1.

[0029] When the sliding device 21 drives the steel rope 24 to move, the steel rope 24 drives the floating platform 233 to move synchronously. When the floating platform 233 moves, the first scraper 231 can collect and gather the oil on the surface of the sewage, and the second scraper 232 can scrape off the oil adhering to the inner wall of the sewage tank 1, thereby effectively preventing oil residue from remaining on the side wall of the sewage tank 1.

[0030] See Figure 3 and Figure 6 As shown, the sliding device 21 includes a sliding frame 211, a driver 212, a slide rail 213, a pulley 214, a rotating shaft 215, and a pulley assembly 216. The slide rail 213 has a pair and is mirror-arranged on both sides of the top of the sewage tank 1. The pulley 214 is fixedly mounted on the rotating shaft 215, and the bottom of the pulley 214 is rotatably mounted on the slide rail 213. The rotating shaft 215 is rotatably mounted on the sliding frame 211. The driver 212 is fixedly mounted on the top of the rotating shaft 215. One side of the pulley assembly 216 is connected to the driver 212, and the other side of the pulley assembly 216 is connected to the rotating shaft 215.

[0031] When the sliding device 21 needs to drive the oil scraping device to slide, the driver 212 drives the pulley assembly 216 to rotate. The pulley assembly 216 drives the rotating shaft 215 to rotate through transmission. When the rotating shaft 215 rotates, it drives the pulley 214 to rotate synchronously. The pulley 214 moves along the slide rail 213, causing the sliding frame 211 to move. During the movement, the sliding frame 211 drives the oil scraping device to move through the steel rope 24.

[0032] See Figure 2 As shown, the buffer device 22 includes a first buffer mechanism 221, a second buffer mechanism 222, a third buffer mechanism 223 and a fourth buffer mechanism 224, which are mirror images of each other on both sides of the slide rail 213.

[0033] By setting up the first buffer mechanism 221, the second buffer mechanism 222, the third buffer mechanism 223 and the fourth buffer mechanism 224, the sliding device 21 can be given a buffering force.

[0034] See Figure 2 and Figure 5As shown, the first buffer mechanism 221, the second buffer mechanism 222, the third buffer mechanism 223, and the fourth buffer mechanism 224 have the same structure. Each of the first buffer mechanism 221, the second buffer mechanism 222, the third buffer mechanism 223, and the fourth buffer mechanism 224 includes a baffle 2211, a first telescopic rod 2212, a second telescopic rod 2213, a buffer plate 2214, and a spring 2216. The baffle 2211 is fixedly installed on the sewage tank 1. The first telescopic rod 2212 is fixedly installed on the side of the baffle 2211 near the slide rail 213. The second telescopic rod 2213 is slidably installed on the first telescopic rod 2212. The spring 2216 is sleeved on the second telescopic rod 2213. One side of the spring 2216 is connected to the first telescopic rod 2212, and the other side of the spring 2216 is connected to the buffer plate 2214. The buffer plate 2214 is fixedly installed on the side of the second telescopic rod 2213 away from the first telescopic rod 2212, and the bottom of the buffer plate 2214 is slidably installed on the slide rail 213.

[0035] When the sliding frame 211 impacts the buffer plate 2214 through the rotation of the pulley 214, the second telescopic rod 2213 slides along the first telescopic rod 2212. At this time, the spring 2216 is compressed until the elastic force of the spring 2216 cancels out the impact force of the sliding frame 211, thereby providing buffer force to the sliding frame 211 and extending the service life of the equipment.

[0036] See Figure 5 As shown, multiple sets of buffer blocks 2215 are provided on the side of the buffer plate 2214 away from the second telescopic rod 2213.

[0037] By setting the buffer block 2215, hard collisions between the sliding frame 211 and the buffer plate 2214 can be prevented, thus extending the service life of the buffer plate 2214.

[0038] See Figure 2 As shown, the oil suction module 3 includes a first oil suction device 31 and a second oil suction device 32, which are mirror images of each other on the top sides of the sewage tank 1.

[0039] By setting up the first oil suction device 31 and the second oil suction device 32, oil can be suctioned from both sides of the sewage tank 1, thereby improving the oil removal effect of the sewage.

[0040] See Figure 1 and Figure 6As shown, the first oil suction device 31 and the second oil suction device 32 have the same structure. Both the first oil suction device 31 and the second oil suction device 32 include a linear driver 311, an oil suction machine 312, an oil suction pipe 313, an oil discharge pipe 314, and an oil suction cover 315. The linear driver 311 is fixedly installed on the sewage tank 1. The oil suction machine 312 is fixedly installed at the output end of the linear driver 311. The oil suction pipe 313 is fixedly installed on the oil suction machine 312. The oil suction cover 315 is fixedly installed on the side of the oil suction pipe 313 away from the oil suction machine 312. The oil discharge pipe 314 is connected to the side of the oil suction machine 312 away from the oil suction pipe 313.

[0041] When oil suction is needed, the oil suction machine 312 is started. Floating matter on the surface of the sewage enters the oil suction pipe 313 through the oil suction hood 315, and is then discharged through the oil discharge pipe 314. Driven by the linear actuator 311, the oil suction machine 312 can slide, thus enabling the oil suction machine 312 to suction oil at different positions.

[0042] The above embodiments only illustrate one or more implementations of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. A flotation mechanism for a wastewater treatment device, characterized in that, It includes a sewage tank (1), an oil skimming module (2), and an oil suction module (3); The oil scraping module (2) is fixedly installed on the sewage tank (1). The oil scraping module (2) includes a sliding device (21), a buffer device (22), a steel rope (24) and an oil scraping mechanism (23). The sliding device (21) is slidably installed on the sewage tank (1). The buffer device (22) has four and is mirrored on both sides of the sliding device (21). The oil scraping mechanism (23) is floating inside the sewage tank (1). The steel rope (24) has a pair and is installed on the sliding device (21). The other side of the steel rope (24) is connected to the oil scraping mechanism (23). The oil suction module (3) is fixedly installed on the sewage tank (1).

2. The flotation mechanism of a wastewater treatment device according to claim 1, characterized in that, The oil scraping mechanism (23) includes a first scraper (231), a second scraper (232), and a floating platform (233); The floating platform (233) is floating inside the sewage tank (1), and the top of the floating platform (233) is connected to the steel cable; The first scraper (231) is fixed on the floating platform (233); The second scraper (232) has a pair and is mirror-arranged on both sides of the floating platform (233), with the side of the second scraper (232) away from the floating platform (233) abutting against the inner wall of the sewage tank (1).

3. The flotation mechanism of a wastewater treatment device according to claim 1, characterized in that, The sliding device (21) includes a sliding frame (211), a driver (212), a slide rail (213), a pulley (214), a rotating shaft (215), and a pulley assembly (216). The slide rails (213) are a pair and mirror-image arranged on both sides of the top of the sewage tank (1); The pulley (214) is fixedly mounted on the rotating shaft (215), and the bottom of the pulley (214) is rotatably mounted on the slide rail (213); The rotating shaft (215) is rotatably mounted on the sliding frame (211); The driver (212) is fixedly mounted on top of the rotating shaft (215); One side of the pulley assembly (216) is connected to the driver (212), and the other side of the pulley assembly (216) is connected to the rotating shaft (215).

4. The flotation mechanism of a wastewater treatment device according to claim 1, characterized in that, The buffer device (22) includes a first buffer mechanism (221), a second buffer mechanism (222), a third buffer mechanism (223) and a fourth buffer mechanism (224), which are mirror images of each other on both sides of the slide rail (213).

5. The flotation mechanism of a wastewater treatment device according to claim 4, characterized in that, The first buffer mechanism (221), the second buffer mechanism (222), the third buffer mechanism (223), and the fourth buffer mechanism (224) have the same structure. The first buffer mechanism (221), the second buffer mechanism (222), the third buffer mechanism (223), and the fourth buffer mechanism (224) all include a baffle (2211), a first telescopic rod (2212), a second telescopic rod (2213), a buffer plate (2214), and a spring (2216). The baffle (2211) is fixedly installed on the sewage tank (1); The first telescopic rod (2212) is fixedly installed on the side of the baffle (2211) near the slide rail (213); The second telescopic rod (2213) is slidably mounted on the first telescopic rod (2212); The spring (2216) is sleeved on the second telescopic rod (2213). One side of the spring (2216) is connected to the first telescopic rod (2212), and the other side of the spring (2216) is connected to the buffer plate (2214). The buffer plate (2214) is fixedly installed on the side of the second telescopic rod (2213) away from the first telescopic rod (2212), and the bottom of the buffer plate (2214) is slidably installed on the slide rail (213).

6. The flotation mechanism of a wastewater treatment device according to claim 5, characterized in that, Multiple sets of buffer blocks (2215) are provided on the side of the buffer plate (2214) away from the second telescopic rod (2213).

7. The flotation mechanism of a wastewater treatment device according to claim 1, characterized in that, The oil suction module (3) includes a first oil suction device (31) and a second oil suction device (32), which are mirror images of each other on the top sides of the sewage tank (1).

8. The flotation mechanism of a wastewater treatment device according to claim 7, characterized in that, The first oil suction device (31) and the second oil suction device (32) have the same structure. Both the first oil suction device (31) and the second oil suction device (32) include a linear driver (311), an oil suction machine (312), an oil suction pipe (313), an oil discharge pipe (314), and an oil suction cover (315). The linear actuator (311) is fixedly mounted on the sewage tank (1); The oil suction machine (312) is fixedly installed at the output end of the linear driver (311); The oil suction pipe (313) is fixedly installed on the oil suction machine (312); The oil suction hood (315) is fixedly installed on the side of the oil suction pipe (313) away from the oil suction machine (312); The oil drain pipe (314) is connected to the side of the oil suction machine (312) away from the oil suction pipe (313).

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