High-concentration wastewater recovery device

Abstract

The utility model discloses a high-concentration waste water recovery device which comprises a recovery tank body, a stirring mechanism is rotatably arranged on the upper portion in the recovery tank body, a water inlet filter tank is arranged on one side of the upper end of the recovery tank body, a filter screen is arranged in a water inlet between the water inlet filter tank and the tank body, and an ash scraping plate is arranged at the bottom in the water inlet filter tank through an air cylinder. A filter screen is arranged on the inner side of the water inlet between the water inlet filter tank and the tank body, a dust plate cleaning mechanism is arranged on one side of the upper end of the water inlet filter tank, an acid liquor inlet pipe and an alkali liquor inlet pipe are further arranged on the upper portion of the recycling tank body, and a PH sensor is arranged at the bottom in the recycling tank body. And then the concentration of the wastewater is detected through the pH sensor, and when the acid-base concentration is unqualified, acid-base liquid is added through the acid liquid inlet pipe or the alkali liquid inlet pipe to prepare a water body with qualified concentration, so that the acidic or alkaline high-concentration wastewater is conveniently recycled, and the recycling efficiency is relatively high.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater recovery, in particular to a high-concentration wastewater recovery device. Background Art

[0002] High-concentration ammonia nitrogen wastewater mainly comes from fertilizers, coking, petrochemicals, pharmaceuticals, food, landfills, etc. A large amount of ammonia nitrogen wastewater discharged into the water body not only causes eutrophication of the water body and causes the water body to be black and smelly, but also increases the difficulty and cost of water treatment, and even has a toxic effect on people and organisms. There are various treatment processes for ammonia nitrogen wastewater, such as biological methods and physicochemical methods. With the continuous development of science and technology, people have higher and higher requirements for the manufacturing process of ammonia nitrogen wastewater recovery equipment.

[0003] A high-concentration ammonia nitrogen wastewater recovery device with application number 202022437586.1 in the prior art includes a recovery device main body. The designed double-layer anti-leakage pipe can improve the safety of the device during use and reduce the leakage of ammonia nitrogen during use. The designed stable connecting seat can make the device more stable and bring better use prospects. However, it is not convenient to prepare the recovered waste liquid into a water body of a certain concentration for recycling again, and the structure is complicated and the operation is inconvenient. Utility Model Content

[0004] The utility model aims to provide a high-concentration wastewater recovery device to solve the problems in the prior art that it is inconvenient to mix the recovered waste liquid into a water body with a certain concentration for recycling again, and the structure is complicated and the operation is inconvenient.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-concentration wastewater recovery device, comprising a recovery tank body, a stirring mechanism is rotatably provided in the upper part of the recovery tank body, a water inlet filter trough is provided on one side of the upper end of the recovery tank body, a water inlet is provided between the water inlet filter trough and the tank body, and a filter screen is provided on the inner side of the water inlet, a dust scraper is provided on the bottom of the water inlet filter trough through a cylinder, a dust plate cleaning mechanism is provided on one side of the upper end of the water inlet filter trough, an acid liquid inlet pipe and an alkali liquid inlet pipe are also provided on the upper part of the recovery tank body, and a PH sensor is provided on the bottom of the recovery tank body.

[0006] Furthermore, the stirring mechanism includes a stirring shaft rotatably arranged in the middle of the recovery tank body, a stirring blade is provided at the lower end of the stirring shaft, one end of the stirring shaft is connected to the first motor through a gear set, a drain outlet is provided on one side of the bottom of the recovery tank body, and a PLC control cabinet is also provided on the outside of the recovery tank body.

[0007] Furthermore, valves are provided on the acid inlet pipe and the alkali inlet pipe, one end of the acid inlet pipe is connected to the acid pool through a water pump, and one end of the alkali inlet pipe is connected to the alkali pool through a water pump.

[0008] Furthermore, a flexible scraper is provided on one side of the scraper plate, and the flexible scraper is arranged close to the outer wall of the recovery tank.

[0009] Furthermore, the flexible scraper is a rubber triangular plate, and one side of the flexible scraper is configured as an arc-shaped end surface.

[0010] Furthermore, the dust board cleaning mechanism includes a second motor provided through a support plate, a transmission shaft at one end of the second motor is provided with a dust scraping piece through a connecting seat, and the dust scraping piece is arranged perpendicular to the upper end surface of the dust scraping board.

[0011] Furthermore, an ash receiving hopper is provided on one side of the bottom of the recovery tank body at the lower side of the ash board cleaning mechanism, and the width of the ash receiving hopper is greater than the width of the water inlet filter tank.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is used to filter acidic or alkaline high-concentration wastewater to remove particulate impurities through a filter screen provided on the inner side of the water inlet between the water inlet filter tank and the tank body, and then detect the concentration of the wastewater through a PH sensor. When the acid-base concentration is unqualified, acid and alkali liquids are added through an acid liquid inlet pipe or an alkali liquid inlet pipe to adjust the water into a qualified concentration, thereby realizing the recycling of acidic or alkaline high-concentration wastewater. The utility model has a simple structure, convenient operation, and high recycling efficiency.

[0014] 2. In the utility model, a scraper plate is provided at the bottom of the water inlet filter tank through a cylinder, so that the scraper plate is driven by the cylinder to scrape and move upward on the outside of the filter screen, so as to scrape off the filter residue gathered on the outside of the filter screen, and continue to move upward to the lower part of the scraper plate, and then a ash plate cleaning mechanism is provided on one side of the upper end of the water inlet filter tank. The second motor of the ash plate cleaning mechanism drives the scraper plate to rotate horizontally, so as to horizontally scrape off the filter residue scraped off from the upper part of the scraper plate, thereby realizing rapid cleaning and slag discharge of the outside of the filter screen, and the cleaning and slag discharge efficiency is relatively high.

[0015] 3. The utility model is provided with a stirring mechanism through the upper part of the recovery tank body, the stirring mechanism includes a stirring shaft rotatably arranged in the middle part of the recovery tank body, a stirring blade is arranged at the lower end of the stirring shaft, and one end of the stirring shaft is connected to the first motor through a gear set, so that the stirring shaft and the stirring blade are driven by the first motor to rotate at a constant speed, and the waste liquid and acid and alkali liquid in the recovery tank body can be stirred and mixed, so as to improve the efficiency of re-preparation and recycling of high-concentration wastewater. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is the main cross-sectional view of the recovery tank structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the structure of the scraper plate of the utility model.

[0020] In the figure: 1. Recovery tank; 2. Stirring shaft; 3. Gear set; 4. First motor; 5. Acid inlet pipe; 6. Alkali inlet pipe; 7. Valve; 8. Water inlet filter tank; 9. Water inlet; 10. Filter screen; 11. Scraper plate; 12. Cylinder; 13. Support plate; 14. Second motor; 15. Connecting seat; 16. Scraper plate; 17. Stirring blade; 18. PH sensor; 19. Ash hopper; 20. Drainage outlet; 21. PLC control cabinet; 22. Flexible scraper. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 3In the embodiment of the utility model, a high-concentration wastewater recovery device comprises a recovery tank body 1, a stirring mechanism is rotatably arranged on the upper part of the recovery tank body 1, a water inlet filter tank 8 is arranged on one side of the upper end of the recovery tank body 1, a water inlet port 9 is arranged between the water inlet filter tank 8 and the tank body 1, and a filter screen 10 is arranged on the inner side of the water inlet port 9 for filtering acidic or alkaline high-concentration wastewater to remove particulate impurities, a drain port 20 is arranged on one side of the bottom of the recovery tank body 1, an acid liquid inlet pipe 5 and an alkali liquid inlet pipe 6 are also arranged on the upper part of the recovery tank body 1, valves 7 are arranged on the acid liquid inlet pipe 5 and the alkali liquid inlet pipe 6, one end of the acid liquid inlet pipe 5 is connected to the acid liquid pool through a water pump, and the alkali liquid inlet pipe 6 is connected to the acid liquid pool through a water pump. One end of the liquid pipe 6 is connected to the alkali liquid pool through a water pump, a PH sensor 18 is provided at the bottom of the recovery tank body 1, and a PLC control cabinet 21 is also provided on the outside of the recovery tank body 1. The output end of the PH sensor 18 is electrically connected to the signal input end of the PLC control cabinet 21 outside the recovery tank body 1, and the control end of each device is electrically connected to the PLC control cabinet 21, so that the concentration of the filtered wastewater can be detected by the PH sensor 18. When the acid-base concentration is unqualified, acid or alkali is added through the acid inlet pipe 5 or the alkali inlet pipe 6 to adjust the water into a qualified concentration, so as to facilitate the recycling of acidic or alkaline high-concentration wastewater.

[0023] like Figure 2 and Figure 3 As shown, in order to achieve rapid cleaning of the outer wall of the filter 10, a scraper plate 11 is provided at the bottom of the water inlet filter tank 8 through a cylinder 12, so that the scraper plate 11 is driven by the cylinder 12 to scrape and move upward on the outside of the filter 10, and the filter residue gathered on the outside of the filter 10 can be scraped off. A flexible scraper plate 22 is provided on one side of the scraper plate 11, and the flexible scraper plate 22 is arranged close to the recovery tank body 1 and the outer wall of the filter 10. The flexible scraper plate 22 adopts a rubber triangular plate, and one side of the flexible scraper plate 22 is arranged as an arc-shaped end face, so that one side of the scraper plate 11 can be slid close to the outer wall of the filter 10, which is beneficial to improve the thoroughness of scraping.

[0024] like Figure 1 and Figure 2 As shown, in order to clean the filter residue scraped off the upper part of the scraper plate 11 horizontally, an ash board cleaning mechanism is provided on one side of the upper end of the water inlet filter trough 8, and the ash board cleaning mechanism includes a second motor 14 provided through a support plate 13, and a transmission shaft at one end of the second motor 14 is provided with a scraper plate 16 through a connecting seat 15, and the scraper plate 16 is arranged perpendicular to the upper end surface of the scraper plate 11. The scraper plate 16 is driven by the second motor 14 to rotate horizontally, so that the filter residue scraped off the upper part of the scraper plate 11 can be scraped off horizontally, so as to realize rapid cleaning and slag discharge of the outside of the filter screen, and the cleaning and slag discharge efficiency is relatively high. An ash hopper 19 is provided on one side of the bottom of the recovery tank body 1 on the lower side of the ash board cleaning mechanism, and the length and width of the ash hopper 19 are greater than the length and width of the water inlet filter trough 8, and is used to store the filter residue scraped off the upper part of the scraper plate 11.

[0025] like Figure 1As shown, in order to quickly and evenly mix the waste liquid inside the recovery tank body 1, the stirring mechanism includes a stirring shaft 2 rotatably arranged in the middle of the recovery tank body 1, a stirring blade 17 is provided at the lower end of the stirring shaft 2, and one end of the stirring shaft 2 is connected to the first motor 4 through a gear set 3, so that the stirring shaft 2 and the stirring blade 17 are driven by the first motor 4 to rotate at a constant speed, and the waste liquid and acid and alkali solution inside the recovery tank body 1 can be stirred and mixed, so as to improve the efficiency of re-preparation and recovery of high-concentration wastewater.

[0026] The working principle and use process of the utility model are as follows: when in use, waste water is put into the recovery tank body 1 through the water inlet filter trough 8 and the water inlet 9, and the filter screen 10 provided on the inner side of the water inlet 9 between the water inlet filter trough 8 and the tank body 1 is used to filter the high-concentration waste water to remove particulate impurities, and then the concentration of the filtered waste water is detected by the PH sensor 18. When the acid-base concentration is unqualified, acid or alkali is added through the acid inlet pipe 5 or the alkali inlet pipe 6 to prepare the water body into the qualified concentration, so as to realize the re-preparation and recycling of the acidic or alkaline high-concentration waste water, and the utility model has the advantages of simple structure, convenient operation and high recycling efficiency.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high-concentration wastewater recovery device, comprising a recovery tank (1), characterized in that: A stirring mechanism is rotatably arranged at the upper part of the recovery tank body (1); a water inlet filter trough (8) is arranged at one side of the upper end of the recovery tank body (1); a water inlet (9) is arranged between the water inlet filter trough (8) and the recovery tank body (1); a filter screen (10) is arranged at the inner side of the water inlet (9); a ash scraper (11) is arranged at the bottom of the water inlet filter trough (8) via a cylinder (12); a ash board cleaning mechanism is arranged at one side of the upper end of the water inlet filter trough (8); an acid liquid inlet pipe (5) and an alkali liquid inlet pipe (6) are also arranged at the upper part of the recovery tank body (1); a pH sensor (18) is arranged at the bottom of the recovery tank body (1); an output end of the pH sensor (18) is electrically connected to a signal input end of a PLC control cabinet 21 outside the recovery tank body (1).

2. A high-concentration wastewater recovery device according to claim 1, characterized in that: The stirring mechanism comprises a stirring shaft (2) rotatably arranged in the middle of the recovery tank (1), a stirring blade (17) is arranged at the lower end of the stirring shaft (2), and one end of the stirring shaft (2) is connected to a first motor (4) via a gear set (3).

3. A high-concentration wastewater recovery device according to claim 1, characterized in that: The acid liquid inlet pipe (5) and the alkali liquid inlet pipe (6) are both provided with valves (7); one end of the acid liquid inlet pipe (5) is connected to the acid liquid pool via a water pump, and one end of the alkali liquid inlet pipe (6) is connected to the alkali liquid pool via a water pump.

4. A high-concentration wastewater recovery device according to claim 1, characterized in that: A flexible scraper (22) is provided on one side of the scraper plate (11), and the flexible scraper (22) is arranged in close contact with the outer wall of the recovery tank body (1).

5. A high-concentration wastewater recovery device according to claim 4, characterized in that: The flexible scraper (22) is a rubber triangular plate, and one side of the flexible scraper (22) is arranged to be an arc-shaped end surface.

6. A high-concentration wastewater recovery device according to claim 1, characterized in that: The dust board cleaning mechanism comprises a second motor (14) provided via a support plate (13); a transmission shaft at one end of the second motor (14) is provided with a dust scraping blade (16) via a connecting seat (15); and the dust scraping blade (16) is arranged perpendicular to the upper end surface of the dust scraping board (11).

7. A high-concentration wastewater recovery device according to claim 6, characterized in that: An ash receiving hopper (19) is provided on one side of the bottom of the recovery tank (1) below the ash plate cleaning mechanism, and the width of the ash receiving hopper (19) is greater than the width of the water inlet filter tank (8).

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