Air floatation tank decontamination device in leather sewage treatment

Abstract

The utility model belongs to the technical field of leather sewage treatment equipment, and particularly relates to an air floatation tank decontamination device in leather sewage treatment, which comprises a main body, the main body comprises a base, the inner wall of the base is fixedly connected with a treatment tank, a cleaning mechanism comprises a first rotating shaft, and the end part of the first rotating shaft is movably connected with the inner wall of the treatment tank. A first rotating plate is fixedly connected to the surface of the first rotating shaft, a first filter screen is fixedly connected to the inner wall of the first rotating plate, a second rotating shaft is movably connected to the inner wall of the treatment tank, a second rotating plate is fixedly connected to the surface of the second rotating shaft, a second filter screen is fixedly connected to the inner wall of the second rotating plate, and a scraping mechanism is mounted on the lower surface of the base. The first filter screen and the second filter screen are arranged in the treatment tank, leather sewage is doubly filtered, and the scrapers are used for cleaning salvaged scum, so that the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of leather wastewater treatment equipment, in particular to a decontamination device in an air flotation tank for leather wastewater treatment. Background Art

[0002] Leather wastewater mainly comes from the pre-tanning section, tanning section and finishing section in the leather making process. The wastewater discharge and pollution load of the pre-tanning section account for about 60% and 70% of the entire process, and the wastewater discharge of the tanning section and finishing section account for about 5% and 30% of the total wastewater respectively. Leather wastewater contains organic matter, inorganic salts and Cr that are not easily biodegradable. 3+ and S 2- And other toxic compounds, so leather wastewater treatment is very important.

[0003] Leather wastewater treatment uses a flotation tank decontamination device. When the flotation tank decontamination device is in use, air is pressed into the treatment tank through an air pump. The bubbles attach to the surface of the suspended matter in the water to form bubbles. The suspended matter driven by the bubbles rises to the liquid surface to form scum, which can be salvaged. However, the existing flotation tank decontamination device requires additional equipment to perform the scum salvage operation, which reduces work efficiency. Summary of the invention

[0004] The utility model aims to provide a flotation tank decontamination device for leather wastewater treatment, which performs double filtration on the leather wastewater and then uses a scraper to clean the salvaged scum, thereby improving work efficiency.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a flotation tank decontamination device for leather wastewater treatment, comprising a main body, the main body comprising a base, the inner wall of the base is fixedly connected to a treatment tank, the inner wall of the treatment tank is installed with a cleaning mechanism, the cleaning mechanism comprises a first rotating shaft, the end of the first rotating shaft is movably connected to the inner wall of the treatment tank, the surface of the first rotating shaft is fixedly connected to a first rotating plate, the inner wall of the first rotating plate is fixedly connected to a first filter, the inner wall of the treatment tank is movably connected to a second rotating shaft, the surface of the second rotating shaft is fixedly connected to a second rotating plate, the inner wall of the second rotating plate is fixedly connected to a second filter, and the lower surface of the base is installed with a scraping mechanism.

[0006] Optionally, a first motor is fixedly connected to the right side surface of the base, and the output end of the first motor is fixedly connected to the end of the first rotating shaft. A second motor is fixedly connected to the right side surface of the base, and the surface of the second motor is fixedly connected to the right side surface of the base. The second motor is located below the first motor, and the output end of the second motor is fixedly connected to the end of the second rotating shaft.

[0007] Optionally, the scraping mechanism further comprises a connecting plate, the upper surface of the connecting plate is fixedly connected to the lower surface of the base, the lower surface of the connecting plate is fixedly connected to a first cylinder, and the output end of the first cylinder is fixedly connected to a connecting block.

[0008] Optionally, a second cylinder is fixedly connected to the inner wall of the connecting block, an output end of the second cylinder is fixedly connected to a moving block, a scraper is fixedly connected to the lower surface of the moving block, the second motor is located below the first motor, and an output end of the second motor is fixedly connected to the end of the second rotating shaft.

[0009] Optionally, a flushing mechanism is installed on the left surface of the base, and the flushing mechanism includes a first connecting pipe, one end of the first connecting pipe is fixedly connected to the left surface of the base, the end of the first connecting pipe is fixedly connected to a water pump, the end of the water pump is fixedly connected to a second connecting pipe, and the surface of the second connecting pipe is fixedly connected to a nozzle.

[0010] Optionally, a sewage pool is fixedly connected to the surface of the base, a through hole is opened on the lower surface of the sewage pool, the end of the second connecting pipe extends to the inside of the through hole, a nozzle is fixedly connected to the surface of the sewage pool, and the end of the nozzle is fixedly connected to the end of the nozzle pipe.

[0011] Optionally, an air inlet pipe is fixedly connected to the front of the base, a water outlet pipe is fixedly connected to the front of the base, the water outlet pipe is located below the air inlet pipe, and a sewage pool is fixedly connected to the upper surface of the base, and the sewage pool is located on the back of the treatment pool.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model is provided with a first rotating plate, a first filter screen, a second rotating plate and a second filter screen. When in use, after the air pump presses air into the treatment pool, air bubbles are attached to the surface of suspended matter in the water to form bubbles, and the bubbles drive the suspended matter to rise to the liquid surface to form scum, and the first motor is started, and the output end of the first motor drives the first rotating shaft to rotate, and the first filter screen performs a first filtering on the scum floating on the surface of the treatment pool, and then the second motor is started, and the output end of the second motor drives the second rotating shaft to rotate, and the second filter screen performs a second filtering on the scum floating on the surface of the treatment pool, and then the first cylinder fixed on the lower surface of the connecting plate is started, so that the connecting block installed on the output end of the first cylinder is lowered to a suitable height, and then the second cylinder inside the connecting block is started, and the scraper fixed on the lower surface of the moving block is driven to scrape the scum filtered out of the surfaces of the first filter screen and the second filter screen into the sewage pool, and the first motor is continuously started, and the output end of the first motor drives the first rotating plate to rotate to be parallel to the inner wall of the treatment pool, and at this time, the first cylinder under the connecting plate continues to extend, and the scraper contacts the surface of the second filter screen, and continues to scrape off the scum filtered out of the surface of the second filter screen. The utility model performs double filtering on leather sewage by using the first filter screen and the second filter screen, and then uses the scraper to clean the salvaged scum, thereby improving the working efficiency of the utility model.

[0014] The utility model is provided with a nozzle, a water pump and a sewage pool. When in use, the water pump fixedly connected to the lower surface of the sewage pool is started, and the first connecting pipe fixed on the surface of the base sends the clean water below the treatment pool into the second connecting pipe, and then the water is introduced into the nozzle through the nozzle fixed on the surface of the second connecting pipe for spraying out, and the nozzle sprays the water to the surfaces of the first filter screen, the first rotating plate, the second filter screen and the second rotating plate, and the scum remaining on the surface thereof is flushed into the sewage pool fixed on the surface of the base, so as to prevent the scum remaining on the cleaning mechanism from falling into the water during the next filtration, thereby further improving the working efficiency of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first viewing angle;

[0017] Figure 2 It is a partial cross-sectional three-dimensional structural schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the third perspective structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the utility model from a third viewing angle.

[0020] In the figure: 1. main body; 101. base; 102. sewage pool; 103. treatment pool; 104. air inlet pipe; 105. water outlet pipe; 106. sewage pool; 107. through hole; 2. cleaning mechanism; 201. first rotating shaft; 202. first rotating plate; 203. first filter screen; 204. first motor; 205. second rotating shaft; 206. second rotating plate; 207. second filter screen; 208. second motor; 3. flushing mechanism; 301. first connecting pipe; 302. water pump; 303. second connecting pipe; 304. nozzle; 305. nozzle; 4. scraping mechanism; 401. connecting plate; 402. first cylinder; 403. connecting block; 404. second cylinder; 405. moving block; 406. scraper. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0022] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0023] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0025] Reference Figure 1-4, now a description is given of a decontamination device for a flotation tank in sewage treatment provided by an embodiment of the utility model. A decontamination device for a flotation tank in leather sewage treatment comprises a main body 1, the main body 1 comprises a base 101, the inner wall of the base 101 is fixedly connected with a treatment tank 103, the inner wall of the treatment tank 103 is installed with a cleaning mechanism 2, the cleaning mechanism 2 comprises a first rotating shaft 201, the end of the first rotating shaft 201 is movably connected with the inner wall of the treatment tank 103, the surface of the first rotating shaft 201 is fixedly connected with a first rotating plate 202, the inner wall of the first rotating plate 202 is fixedly connected with a first filter screen 203, the inner wall of the treatment tank 103 is movably connected with a second rotating shaft 205, the surface of the second rotating shaft 205 is fixedly connected with a second rotating plate 206, the inner wall of the second rotating plate 206 is fixedly connected with a second filter screen 207, and a scraping mechanism 4 is installed on the lower surface of the base 101. When the air pump presses air into the treatment tank 103, the air bubbles adhere to the surface of the suspended matter in the water to form bubbles, and the bubbles drive the suspended matter to rise to the liquid surface to form scum, and the first motor 204 is started, and the output end of the first motor 204 drives the first shaft 201 to rotate, and the first filter 203 performs a first filtration on the scum floating on the upper surface of the treatment tank 103, and then the second motor 208 is started, and the output end of the second motor 208 drives the second shaft 205 to rotate, and the second filter 207 performs a second filtration on the scum floating on the upper surface of the treatment tank 103, and then the first cylinder 402 fixed on the lower surface of the connecting plate 401 is started, so that the first cylinder 402 is 02, the connecting block 403 installed at the output end is lowered to a suitable height, and then the second cylinder 404 inside the connecting block 403 is started, driving the scraper 406 fixed on the lower surface of the moving block 405 to scrape the scum filtered out from the surfaces of the first filter screen 203 and the second filter screen 207 into the sewage pool 102, and continue to start the first motor 204. The output end of the first motor 204 drives the first rotating plate 202 to rotate parallel to the inner wall of the treatment pool 103. At this time, the first cylinder 402 under the connecting plate 401 continues to extend, and the scraper 406 contacts the surface of the second filter screen 207, and continues to scrape off the scum filtered out from the surface of the second filter screen 207.

[0026] A first motor 204 is fixedly connected to the right surface of the base 101, and the output end of the first motor 204 is fixedly connected to the end of the first rotating shaft 201. A second motor 208 is fixedly connected to the right surface of the base 101, and the surface of the second motor 208 is fixedly connected to the right surface of the base 101. The second motor 208 is located below the first motor 204, and the output end of the second motor 208 is fixedly connected to the end of the second rotating shaft 205. The scraping mechanism 4 also includes a connecting plate 401, and the upper surface of the connecting plate 401 is fixedly connected to the lower surface of the base 101. The lower surface of the connecting plate 401 is fixedly connected to the first cylinder 402, and the output end of the first cylinder 402 is fixedly connected to the connecting block 403. The inner wall of the connecting block 403 is fixedly connected to the second cylinder 404, and the output end of the second cylinder 404 is fixedly connected to the moving block 405. A scraper 406 is fixedly connected to the lower surface of the moving block 405, and the lower surface of the scraper 406 is in contact with the upper surface of the first filter screen 203. A flushing mechanism 3 is installed on the left surface of the base 101, and the flushing mechanism 3 includes a first connecting pipe 301, one end of the first connecting pipe 301 is fixedly connected to the left surface of the base 101, the end of the first connecting pipe 301 is fixedly connected to a water pump 302, the end of the water pump 302 is fixedly connected to a second connecting pipe 303, the surface of the second connecting pipe 303 is fixedly connected to a nozzle 305, the surface of the base 101 is fixedly connected to a sewage pool 106, a through hole 107 is provided on the lower surface of the sewage pool 106, and the end of the second connecting pipe 303 extends to the inside of the through hole 107, and the surface of the sewage pool 106 is fixedly connected to a nozzle 304, and the end of the nozzle 304 is fixedly connected to the end of the nozzle 305. The water pump 302 fixedly connected to the lower surface of the sewage pool 106 is started, and the first connecting pipe 301 fixed on the surface of the base 101 sends the clean water below the treatment pool 103 into the second connecting pipe 303, and then the water is introduced into the nozzle 304 through the nozzle 305 fixed on the surface of the second connecting pipe 303 for spraying. The nozzle 304 sprays water to the surfaces of the first filter screen 203, the first rotating plate 202, the second filter screen 207 and the second rotating plate 206, and the scum remaining on the surface thereof is flushed into the sewage pool 106 fixed on the surface of the base 101, so as to prevent the scum remaining on the cleaning mechanism 2 from falling into the water during the next filtration, thereby improving the working efficiency of the utility model; the front side of the base 101 is fixedly connected with the air inlet pipe 104, the front side of the base 101 is fixedly connected with the water outlet pipe 105, and the water outlet pipe 105 is located below the air inlet pipe 104, and the upper surface of the base 101 is fixedly connected with the sewage pool 102, and the sewage pool 102 is located at the back of the treatment pool 103.

[0027] Working principle: when the air pump presses air into the treatment tank 103, the air bubbles attach to the surface of the suspended matter in the water to form bubbles, and the bubbles drive the suspended matter to rise to the liquid surface to form scum, and the first motor 204 is started, and the output end of the first motor 204 drives the first rotating shaft 201 to rotate, and the first filter 203 performs the first filtering of the scum floating on the upper surface of the treatment tank 103, and then the second motor 208 is started, and the output end of the second motor 208 drives the second rotating shaft 205 to rotate, and the second filter 207 performs the second filtering of the scum floating on the upper surface of the treatment tank 103, and then the first cylinder 402 fixed on the lower surface of the connecting plate 401 is started, so that the connecting block 403 installed on the output end of the first cylinder 402 is lowered to a suitable height, and then the second cylinder 404 inside the connecting block 403 is started, and the scraper 406 fixed on the lower surface of the moving block 405 is driven to scrape the scum filtered out of the first filter 203 and the second filter 207 into the sewage tank 102, and the first motor is started again. 204, the output end of the first motor 204 drives the first rotating plate 202 to rotate to be parallel to the inner wall of the treatment tank 103, at this time, the first cylinder 402 under the connecting plate 401 continues to extend, and the scraper 406 contacts the surface of the second filter screen 207, and continues to scrape the scum filtered out from the surface of the second filter screen 207; the water pump 302 fixedly connected to the lower surface of the sewage tank 106 is started, and the first connecting pipe 301 fixed on the surface of the base 101 connects the clean water below the treatment tank 103 Water is sent into the second connecting pipe 303, and then introduced into the nozzle 304 through the nozzle 305 fixed on the surface of the second connecting pipe 303 to be sprayed out. The nozzle 304 sprays water onto the surfaces of the first filter screen 203, the first rotating plate 202, the second filter screen 207 and the second rotating plate 206, and the scum remaining on the surface thereof is washed into the sewage pool 106 fixed on the surface of the base 101, so as to prevent the scum remaining on the cleaning mechanism 2 from falling into the water during the next filtration, thereby improving the working efficiency of the utility model.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A flotation tank decontamination device for leather wastewater treatment, comprising a main body (1), characterized in that: The main body (1) comprises a base (101), the inner wall of the base (101) is fixedly connected to a treatment tank (103), the inner wall of the treatment tank (103) is installed with a cleaning mechanism (2), the cleaning mechanism (2) comprises a first rotating shaft (201), the end of the first rotating shaft (201) is movably connected to the inner wall of the treatment tank (103), the surface of the first rotating shaft (201) is fixedly connected to a first rotating plate (202), the inner wall of the first rotating plate (202) is fixedly connected to a first filter (203), the inner wall of the treatment tank (103) is movably connected to a second rotating shaft (205), the surface of the second rotating shaft (205) is fixedly connected to a second rotating plate (206), the inner wall of the second rotating plate (206) is fixedly connected to a second filter (207), and the lower surface of the base (101) is installed with a scraping mechanism (4).

2. The flotation tank decontamination device for leather wastewater treatment according to claim 1, characterized in that: A first motor (204) is fixedly connected to the right side surface of the base (101), and an output end of the first motor (204) is fixedly connected to the end of the first rotating shaft (201). A second motor (208) is fixedly connected to the right side surface of the base (101), and a surface of the second motor (208) is fixedly connected to the right side surface of the base (101). The second motor (208) is located below the first motor (204), and an output end of the second motor (208) is fixedly connected to the end of the second rotating shaft (205).

3. The decontamination device for the flotation tank in the leather wastewater treatment as claimed in claim 1, characterized in that: The scraping mechanism (4) comprises a connecting plate (401), the upper surface of the connecting plate (401) is fixedly connected to the lower surface of the base (101), the lower surface of the connecting plate (401) is fixedly connected to a first cylinder (402), and the output end of the first cylinder (402) is fixedly connected to a connecting block (403).

4. The decontamination device for the flotation tank in leather wastewater treatment as claimed in claim 3, characterized in that: The inner wall of the connecting block (403) is fixedly connected to a second cylinder (404), the output end of the second cylinder (404) is fixedly connected to a moving block (405), the lower surface of the moving block (405) is fixedly connected to a scraper (406), and the lower surface of the scraper (406) is in contact with the upper surface of the first filter screen (203).

5. The decontamination device for the flotation tank in the leather wastewater treatment as claimed in claim 1, characterized in that: A flushing mechanism (3) is installed on the left side surface of the base (101), and the flushing mechanism (3) comprises a first connecting pipe (301), one end of the first connecting pipe (301) is fixedly connected to the left side surface of the base (101), the end of the first connecting pipe (301) is fixedly connected to a water pump (302), the end of the water pump (302) is fixedly connected to a second connecting pipe (303), and the surface of the second connecting pipe (303) is fixedly connected to a nozzle (305).

6. The decontamination device for the flotation tank in the leather wastewater treatment as claimed in claim 5, characterized in that: A sewage pool (106) is fixedly connected to the surface of the base (101), a through hole (107) is provided on the lower surface of the sewage pool (106), the end of the second connecting pipe (303) extends to the inside of the through hole (107), a nozzle (304) is fixedly connected to the surface of the sewage pool (106), and the end of the nozzle (304) is fixedly connected to the end of the nozzle pipe (305).

7. The decontamination device for the flotation tank in leather wastewater treatment as claimed in claim 1, characterized in that: An air inlet pipe (104) is fixedly connected to the front of the base (101), a water outlet pipe (105) is fixedly connected to the front of the base (101), the water outlet pipe (105) is located below the air inlet pipe (104), and a sewage pool (102) is fixedly connected to the upper surface of the base (101), the sewage pool (102) is located at the back of the treatment pool (103).

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