Air floatation slag scraping device

Abstract

The utility model discloses an air floatation slag scraping device which comprises a waste water pool, a purging structure is fixed at one end of the waste water pool, a slag scraping structure is fixed at the other end of the waste water pool, the purging structure comprises an air purging plate with a cavity structure inside, and a blowing hole facilitating air conveying and blowing out is formed in the bottom of the air purging plate. Meanwhile, one side of the air purging plate is in embedded through connection with one side of a compressed air pipe, one end of the compressed air pipe is fixedly connected with the inner wall of the wastewater pool, the other end of the compressed air pipe is in threaded connection with one end of a compressed air conveying pipe, and the other end of the compressed air conveying pipe is in conveying connection with an air compressor through a first branch pipe; a mounting frame is fixed to the wastewater pool, a cavity pipe is fixed to the mounting frame, meanwhile, a high-pressure blowing nozzle for conveying and blowing out compressed air is embedded in one side of the cavity pipe, and the air floatation slag scraping device achieves the connecting and conveying effect through the arranged compressed air conveying pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of air flotation scraping, in particular to an air flotation scraping device. Background Art

[0002] After sewage enters the flotation tank, it first passes through the reaction zone, where small suspended particles are aggregated into large particles through the addition of drugs. Then it enters the contact zone with dissolved air water. The fine bubbles in the dissolved air water adhere to the surface of the suspended particles to form floccules with a specific gravity less than that of water. When it enters the separation zone, it floats to the surface of the water to form waste residue. Currently, most of the waste residues are scraped off using chains, which have the following problems: repeated scraping causes the floating residue to be broken up and re-enter the water, the chain has a high failure rate, is prone to breakage or deviation, requires frequent maintenance, and has a short chain life. Utility Model Content

[0003] The utility model aims to provide an air flotation scraping device to address the deficiencies of the prior art, so as to solve the problem proposed in the background art that the slag is repeatedly scraped, resulting in the slag being broken up and re-entering the water, a high chain failure rate, easy breakage or deviation, frequent maintenance and a short chain life.

[0004] To achieve the above object, the utility model provides the following technical solution: comprising a wastewater pool, wherein the purge structure is fixed at one end of the wastewater pool, and the scraper structure is fixed at the other end of the wastewater pool;

[0005] The purge structure includes an air purge plate with a hollow structure inside, and a blow hole is provided at the bottom of the air purge plate for convenient air delivery and blowing out, and one side of the air purge plate is embedded and connected with one side of the compressed air pipe;

[0006] One end of the compressed air pipe is fixedly connected to the inner wall of the wastewater pool, and the other end of the compressed air pipe is threadedly connected to one end of the compressed air delivery pipe. At the same time, the other end of the compressed air delivery pipe is connected to the compressed air machine through the first branch pipe.

[0007] By adopting the above technical solution, a connection and transportation effect is achieved through the set compressed air delivery pipe.

[0008] Preferably, a mounting frame is fixed on the wastewater pool, and a cavity tube is fixed on the mounting frame. At the same time, a high-pressure nozzle for blowing out compressed air is embedded on one side of the cavity tube. One end of the cavity tube is through-connected with one end of the second branch tube, and the other end of the second branch tube is through-connected with one side of the compressed air delivery pipe through the delivery pipe.

[0009] By adopting the above technical solution, the high-pressure blowing nozzle is provided to achieve the effect of blowing out compressed air at an angle.

[0010] Preferably, the scraping structure includes a bearing seat fixed to one side above the wastewater tank, and the bearing seat passes through the connecting shaft and is rotatably connected to the flange, and the flange is fixedly connected to the flange pipe through a fixing nut.

[0011] By adopting the above technical solution, the flange pipe is provided to achieve a bidirectional fixed connection effect.

[0012] Preferably, the surface of the flange tube is welded and fixed to one end of the fixing rod, and the other end of the fixing rod is fixedly connected to the scraper, the connecting shaft at the other end of the flange tube and the flange plate are installed and connected to the output end of the driving motor through a coupling, and the driving motor is fixed to the other side above the wastewater tank through a fixing nut, and at the same time, a protective cover is fixed on the surface of the driving motor to wrap and protect the driving motor.

[0013] By adopting the above technical solution, the protective cover is provided to achieve a wrapping and protective effect.

[0014] Preferably, four groups of air purge plates are provided, and a plurality of blowing holes inclined at 45° are provided below a single air purge plate.

[0015] By adopting the above technical solution, the air purge plate is provided to achieve the effects of inlay conveying and opening blowing.

[0016] Preferably, the cavity tubes are provided in one group, and the cavity tubes are symmetrically arranged about the axis of the bearing seat.

[0017] By adopting the above technical solution, the cavity tube is provided to achieve a three-way connection effect.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the air flotation scraping device can

[0019] (1) In this case, the following solutions are provided in the purge structure: an air purge plate, a blowing hole, a compressed air pipe and a compressed air delivery pipe, so as to solve the problem that the scum is repeatedly scraped and then breaks up and re-enters the water. When the compressed air machine is running, the compressed air is delivered to the compressed air delivery pipe and the compressed air pipe. The compressed air entering the compressed air pipe enters the air purge plate. The compressed air entering the air purge plate is blown out through the blowing hole, so that the scum on the surface of the wastewater pool is blown to the rear end for easy scraping into the waste scum pool.

[0020] (2) By setting up a scraping structure, the high failure rate of the chain, the easy breakage or deviation, the frequent maintenance and the short life of the chain are solved. The connecting shaft is driven by the driving motor and the coupling to rotate under force. When the connecting shaft is rotated under force, the flange pipe and the scraper are driven to rotate synchronously under force to scrape the waste slag into the waste slag pool;

[0021] (3) The problem of waste residue easily adhering to the scraper surface is solved by arranging the cavity tube, high-pressure blowing nozzle, second branch tube and conveying tube in the purging structure. At the same time, the above-mentioned situation is easy to occur. When the scraper runs at the highest point, the high-pressure blowing nozzle blows high-pressure air to both sides of the scraper to make the waste residue adhering to both sides of the scraper fall off. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0023] Figure 2 Schematic diagram of the wastewater pool, compressed air delivery pipe, first branch pipe, mounting frame, cavity pipe, high-pressure blowing nozzle, second branch pipe and delivery pipe of the utility model

[0024] Figure 3 This is a schematic diagram of the structure of the air purge plate, the blowing hole, the compressed air pipe and the compressed air delivery pipe of the utility model;

[0025] Figure 4 This is a schematic diagram of the bearing seat, connecting shaft, fixing rod and scraper structure of the utility model;

[0026] Figure 5 This is a schematic diagram of the structure of the connecting shaft, flange, flange pipe, fixing rod, scraper, driving motor and protective cover of the utility model;

[0027] Figure 6 It is a top view of the purge structure and scraper structure of the utility model.

[0028] In the figure: 1. purge structure; 101. air purge plate; 102. blow hole; 103. compressed air pipe; 104. wastewater tank; 105. compressed air delivery pipe; 106. first branch pipe; 107. mounting frame; 108. cavity pipe; 109. high-pressure blowing nozzle; 1010. second branch pipe; 1011. delivery pipe; 2. scraping structure; 201. bearing seat; 202. connecting shaft; 203. flange; 204. flange pipe; 205. fixing rod; 206. scraper; 207. drive motor; 208. protective cover. DETAILED DESCRIPTION

[0029] See also Figure 1-6 The utility model provides a technical solution: an air flotation scraping device, such as Figure 1 , Figure 2 , Figure 3 and Figure 6As shown, a wastewater pool 104 is included, and a purge structure 1 is fixed at one end of the wastewater pool 104. The purge structure 1 includes an air purge plate 101 with an internal cavity structure, and a blowing hole 102 is provided at the bottom of the air purge plate 101 for convenient air transportation and blowing out. At the same time, one side of the air purge plate 101 is inlaid and connected with one side of the compressed air pipe 103. There are 4 groups of air purge plates 101, and a plurality of blowing holes 102 inclined at 45° are provided below a single air purge plate 101. When 4 groups and 8 pieces of air purge plates 101 are provided, it not only reflects the equidistant installation distribution of the air purge plates 101 inlaid on one side of the compressed air pipe 103, but also reflects the blowing and conveying performance of the air purge plates 101 on the waste residue. A plurality of blowing holes 102 inclined at 45° are provided below a single air purge plate 101, and the plurality of inclined blowing holes 102 are used to make the waste residue flow to the scraping structure 2 along the blowing direction for scraping treatment.

[0030] The above scheme further comprises one end of the compressed air pipe 103 being fixedly connected to the inner wall of the wastewater tank 104, and the other end of the compressed air pipe 103 being threadedly connected to one end of the compressed air delivery pipe 105, while the other end of the compressed air delivery pipe 105 is connected to the compressed air machine through the first branch pipe 106, wherein a group of compressed air pipes 103 is provided, and the provision of a group of compressed air pipes 103 facilitates the equidistant distribution of multiple air purge plates 101.

[0031] The above scheme further includes a mounting frame 107 fixed on the wastewater pool 104, and a cavity tube 108 fixed on the mounting frame 107, a group of cavity tubes 108 are provided, and the cavity tubes 108 are symmetrically arranged about the axis of the bearing seat 201, and when a group of two cavity tubes 108 are provided, this not only reflects the symmetry of the arrangement of the cavity tubes 108, but also reflects the practicality and connection and transportation of the installation of the cavity tubes 108, and a single cavity tube 108 is also inlaid with a plurality of inclined high-pressure blowing nozzles 109 on one side, and the inclined high-pressure blowing nozzles 109 are used to effectively blow off and transport the waste residue, and at the same time, a high-pressure blowing nozzle 109 for compressed air delivery is inlaid on one side of the cavity tube 108, one end of the cavity tube 108 is through-connected with one end of the second branch tube 1010, and the other end of the second branch tube 1010 is through-connected with one side of the compressed air delivery pipe 105 through the delivery pipe 1011.

[0032] like Figure 4 and Figure 5As shown, the scraping structure 2 is fixed to the other end of the wastewater tank 104, and the scraping structure 2 includes a bearing seat 201 fixed to one side above the wastewater tank 104, and the bearing seat 201 passes through the connecting shaft 202 and is rotatably connected to the flange 203, and the flange 203 is fixedly connected to the flange pipe 204 through a fixing nut, wherein the flange 203 and the connecting shaft 202 are each provided with a group, and when the above two are provided with a group, the two ends of the flange pipe 204 are fixedly connected and force-bearing rotation is adjusted.

[0033] The above scheme further comprises that the surface of the flange pipe 204 is welded and fixed to one end of the fixing rod 205, and the other end of the fixing rod 205 is fixedly connected to the scraper 206, the connecting shaft 202 at the other end of the flange pipe 204 and the flange plate 203 are installed and connected to the output end of the drive motor 207 through a coupling, and the drive motor 207 is fixed to the other side above the wastewater tank 104 through a fixing nut, and at the same time, a protective cover 208 is fixed to the surface of the drive motor 207 to wrap and protect the drive motor 207.

[0034] In the above scheme, when the driving motor 207 is running, the flange tube 204 is driven to rotate by the connecting shaft 202 and the flange plate 203. When the flange tube 204 is driven to rotate, the fixing rod 205 and the scraper 206 are driven to rotate synchronously. When the scraper 206 is driven to rotate, the waste residue inside the wastewater pool 104 is scraped into the waste residue pool. During the scraping process, the compressed air enters the compressed air delivery pipe 105 and the compressed air pipe 103 through the first branch pipe 106. The compressed air entering the compressed air pipe 103 is blown toward the waste residue on the surface of the wastewater pool 104 through the air purge plate 101 and the blowing hole 102, so that the waste residue is blown toward the scraper 206. Part of the compressed air enters the cavity tube 108 and the high-pressure blowing nozzle 109 through the second branch pipe 1010 and the delivery pipe 1011 to blow off the waste residue adhered to both sides of the scraper 206.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An air flotation scraping device, comprising a wastewater tank (104), characterized in that: It comprises a purge structure (1) and a scraping structure (2); the purge structure (1) is fixed to one end of a wastewater pool (104), and the scraping structure (2) is fixed to the other end of the wastewater pool (104); The purge structure (1) comprises an air purge plate (101) having an internal cavity structure, and a blow hole (102) is provided at the bottom of the air purge plate (101) for convenient air delivery and blowing out, and one side of the air purge plate (101) is embedded and connected with one side of a compressed air pipe (103); One end of the compressed air pipe (103) is fixedly connected to the inner wall of the wastewater pool (104), and the other end of the compressed air pipe (103) is threadedly connected to one end of a compressed air delivery pipe (105), while the other end of the compressed air delivery pipe (105) is connected to a compressed air machine for delivery via a first branch pipe (106).

2. The air flotation scraping device according to claim 1 is characterized in that: A mounting frame (107) is fixed on the wastewater pool (104), and a cavity tube (108) is fixed on the mounting frame (107); a high-pressure blowing nozzle (109) for blowing out compressed air is embedded on one side of the cavity tube (108); one end of the cavity tube (108) is connected to one end of the second branch tube (1010), and the other end of the second branch tube (1010) is connected to one side of the compressed air delivery tube (105) via a delivery tube (1011).

3. The air flotation scraping device according to claim 1, characterized in that: The scraping structure (2) comprises a bearing seat (201) fixed to one side above the wastewater pool (104), and the bearing seat (201) passes through the connecting shaft (202) and is rotatably connected to the flange (203), while the flange (203) is fixedly connected to the flange pipe (204) via a fixing nut.

4. The air flotation scraping device according to claim 3 is characterized in that: The surface of the flange pipe (204) is welded and fixed to one end of a fixing rod (205), and the other end of the fixing rod (205) is fixedly connected to a scraper (206). The connecting shaft (202) at the other end of the flange pipe (204) and the flange plate (203) are installed and connected to the output end of a driving motor (207) via a coupling, and the driving motor (207) is fixed to the other side above the wastewater tank (104) via a fixing nut. At the same time, a protective cover (208) for wrapping and protecting the driving motor (207) is fixed to the surface of the driving motor (207).

5. The air flotation scraping device according to claim 1, characterized in that: The air blowing plates (101) are provided in four groups, and a plurality of blowing holes (102) inclined at 45 degrees are provided below a single air blowing plate (101).

6. The air flotation scraping device according to claim 2, characterized in that: The hollow tubes (108) are provided in a group, and the hollow tubes (108) are symmetrically arranged about the axis of the bearing seat (201).

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