Biological purification tank

Abstract

The utility model discloses a biological purification tank and relates to the technical field of biological purification tanks. A biological purification tank comprises a tank body, a temporary storage tank communicated with the tank body is arranged on the tank body, a drain valve is mounted at the bottom of the tank body, and a first filter layer, a second filter layer, a third filter layer and a fourth filter layer are sequentially arranged in the tank body from bottom to top; a liquid inlet valve is arranged at the top of the temporary storage tank, a discharge pipe is arranged at the upper part of the peripheral wall of the temporary storage tank, and a discharge mechanism for lifting and transferring impurities on the fourth filter layer to the discharge pipe is arranged in the temporary storage tank. According to the scheme, liquid needing to be purified is added into the temporary storage tank through the liquid inlet valve, then the liquid enters the tank body, at the moment, the liquid can be purified through a fourth filtering layer, a third filtering layer, a second filtering layer and a first filtering layer, impurities in the liquid can be accumulated on the upper surface of the fourth filtering layer, and the impurities in the liquid can be purified; at the moment, the discharging mechanism can scrape the upper surface of a fourth filtering layer and convey the impurities into a discharging pipe, and then the impurities fall on the surface of a collecting box to be collected.

Description

Technical Field

[0001] The utility model relates to the technical field of biological purification tanks, in particular to a biological purification tank. Background Art

[0002] After being pre-treated in the septic tank, domestic sewage enters the "biological sewage purification tank" by gravity flow, and flows through the anaerobic zone, aerobic zone, and sedimentation and clarification zone in sequence. The anaerobic and aerobic zones are filled with high-efficiency three-dimensional spiral biological rope fillers, which not only realizes anaerobic and aerobic reactions in space, but also realizes anaerobic, anoxic, and aerobic reactions from the inside to the outside on the biological rope fillers in the aerobic zone. Due to the microecological environment where anaerobic and aerobic coexist well on the biological rope fillers, microorganisms can simultaneously realize nitrification and denitrification functions while degrading organic pollutants.

[0003] The Chinese patent with the current publication number CN108298726A discloses a biological purification tank, including a tank body and a cavity. The tank body includes a tank body, a tank cover, and a tank bottom. The tank cover and the tank bottom are all connected to the tank body by threads. A water inlet is provided at the top of the tank cover, and one end of the water inlet is connected to a water inlet pipe. A water outlet is provided at the bottom of the tank bottom, and one end of the water outlet is connected to a water outlet pipe. An aeration device is provided in the water outlet pipe, and the aeration device is set as an aeration head. The water outlet pipe below the aeration device is also provided with a valve A. The cavity includes an activated carbon layer, a slate board, a partition, a filler, and a partition. A plurality of circular holes are provided on the partition. An activated carbon layer is placed above the slate board. The activated carbon layer includes a honeycomb board and activated carbon. A plurality of circular holes are provided on the honeycomb board. The activated carbon is located in the circular holes on the honeycomb board, and the activated carbon is fixed in the circular holes on the honeycomb board through a filter.

[0004] Although the above-mentioned purification tank is detachable and the parts inside the purification tank can be replaced and cleaned, and it has the characteristics of simple and reasonable structure, low cost, low price, high efficiency and good purification effect, impurities are easily accumulated on the surface of the purification tank during purification, so that the impurities block the filter purification net, and then the purification tank cannot be purified, which brings trouble to the user. Utility Model Content

[0005] The utility model provides a biological purification tank, aiming to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a biological purification tank, comprising: a tank body, the tank body is provided with a temporary storage tank connected thereto, a drain valve is installed at the bottom of the tank body, and the interior of the tank body is provided with a first filter layer, a second filter layer, a third filter layer and a fourth filter layer in sequence from bottom to top;

[0007] A liquid inlet valve is provided on the top of the temporary storage tank, a discharge pipe is provided on the upper part of the outer peripheral wall of the temporary storage tank, a discharge mechanism is provided inside the temporary storage tank to lift and transport impurities on the fourth filter layer to the discharge pipe, and a collection box adapted to the discharge pipe is provided on the upper surface of the tank body.

[0008] As a biological purification tank of the utility model, the first filter layer is a fiber filter material, the fiber filter material is an elastic polystyrene filler, the second filter layer is a tube flow type filter material, the tube flow type filter material is a honeycomb filler, and the porosity of the second filter layer is 80%-90%.

[0009] As a biological purification tank of the utility model, the third filter layer is a hollow block filter material, the hollow block filter material is a cylindrical plastic, and the fourth filter layer is a solid block filter material.

[0010] As a biological purification tank of the utility model, the discharging mechanism includes a rotating shaft rotatably connected to the inner side of the temporary storage tank and a servo motor installed on the top of the temporary storage tank. A spiral scraping paddle is installed on the surface of the rotating shaft, and the output shaft of the servo motor is fixedly connected to one end of the rotating shaft.

[0011] As a biological purification tank of the utility model, the upper surface of the tank body is provided with a mounting groove which is slidably matched with the collection box, and the surface of the collection box is provided with a movable handle.

[0012] As a biological purification tank of the utility model, the tank body and the temporary storage tank are detachably connected, a plurality of reinforcement blocks are rotatably connected to the surface of the tank body, and a plurality of clamping blocks respectively adapted to the plurality of reinforcement blocks are arranged on the surface of the temporary storage tank.

[0013] The utility model provides a biological purification tank. It has the following beneficial effects:

[0014] In this solution, the liquid to be purified is added into the temporary storage tank through the liquid inlet valve, and then the liquid enters the interior of the tank body. At this time, the fourth filter layer, the third filter layer, the second filter layer and the first filter layer will purify the liquid, and the impurities in the liquid will accumulate on the upper surface of the fourth filter layer. At this time, the discharging mechanism will scrape the upper surface of the fourth filter layer and transport the impurities to the inside of the discharge pipe, and then the impurities will fall on the surface of the collection box for collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the structure of the utility model;

[0017] Figure 3 It is a cross-sectional view of a local structure of the structure of the utility model;

[0018] Figure 4 The structure of the utility model Figure 3 A magnified view of the local structure in the middle.

[0019] In the figure: 1. tank body; 2. temporary storage tank; 3. discharging mechanism; 301. rotating shaft; 302. scraper paddle; 303. servo motor; 4. liquid inlet valve; 5. discharge pipe; 6. collection box; 7. discharge valve; 8. first filter layer; 9. second filter layer; 10. third filter layer; 11. fourth filter layer; 12. mounting groove; 13. moving handle; 14. reinforcement block; 15. clamping block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solution in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of the practical embodiment, not all of the embodiments. Based on the embodiment in the practical embodiment, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this practical embodiment.

[0021] See also Figure 1-4 The utility model provides a technical solution: a biological purification tank, comprising: a tank body 1, a temporary storage tank 2 connected to the tank body 1 is provided on the tank body 1, a drain valve 7 is installed at the bottom of the tank body 1, and a first filter layer 8, a second filter layer 9, a third filter layer 10 and a fourth filter layer 11 are arranged in sequence from bottom to top inside the tank body 1; a liquid inlet valve 4 is provided on the top of the temporary storage tank 2, a discharge pipe 5 is provided on the upper part of the outer peripheral wall of the temporary storage tank 2, a discharge mechanism 3 for lifting and transporting impurities on the fourth filter layer 11 to the discharge pipe 5 is provided inside the temporary storage tank 2, and a collection box 6 adapted to the discharge pipe 5 is provided on the upper surface of the tank body 1. The liquid to be purified is added into the temporary storage tank 2 through the liquid inlet valve 4, and then the liquid enters the tank body 1. At this time, the fourth filter layer 11, the third filter layer 10, the second filter layer 9 and the first filter layer 8 will purify the liquid, and the impurities in the liquid will accumulate on the upper surface of the fourth filter layer 11. At this time, the discharging mechanism 3 will scrape the upper surface of the fourth filter layer 11 (the scraping paddle 302 does not contact the fourth filter layer 11) and transport the impurities to the inside of the discharge pipe 5, and then the impurities fall on the surface of the collection box 6 for collection.

[0022] Specifically, the first filter layer 8 is a fiber filter material, which is an elastic polystyrene filler. The second filter layer 9 is a tubular flow filter material, which is a honeycomb filler. The porosity of the second filter layer 9 is 80%-90%. The third filter layer 10 is a hollow block filter material, which is a cylindrical plastic. The fourth filter layer 11 is a solid block filter material, and the thickness of the fourth filter layer 11 is between 30 and 45 mm.

[0023] In a specific embodiment of the utility model, by setting the materials of the first filter layer 8, the second filter layer 9, the third filter layer 10 and the fourth filter layer 11, the treatment effect of sewage can be improved, and the purification effect of the purification tank is also improved.

[0024] Specifically, the discharging mechanism 3 includes a rotating shaft 301 rotatably connected to the inner side of the temporary storage tank 2 and a servo motor 303 installed on the top of the temporary storage tank 2. A spiral scraper paddle 302 is installed on the surface of the rotating shaft 301, and the output shaft of the servo motor 303 is fixedly connected to one end of the rotating shaft 301.

[0025] In a specific embodiment of the utility model, when the servo motor 303 is started, its output shaft drives the rotating shaft 301 to rotate, and the rotation of the rotating shaft 301 drives the scraping paddle 302 to rotate, thereby scraping impurities on the surface of the fourth filter layer 11 and transporting the impurities through the scraping paddle 302.

[0026] Specifically, a mounting groove 12 adapted to the collection box 6 is provided on the upper surface of the tank body 1 , and a movable handle 13 is installed on the surface of the collection box 6 .

[0027] In a specific embodiment of the present utility model, the collection box 6 can be limited by the setting of the installation groove 12, thereby reducing the probability of the collection box 6 being offset during use, and the collection box 6 can be easily moved by the setting of the movable handle 13.

[0028] Specifically, a plurality of reinforcing blocks 14 are rotatably connected to the surface of the tank body 1 , and a plurality of clamping blocks 15 respectively adapted to the plurality of reinforcing blocks 14 are provided on the surface of the temporary storage tank 2 .

[0029] In a specific embodiment of the present utility model, by using the reinforcing block 14 and the clamping block 15 in coordination, the fit between the temporary storage tank 2 and the tank body 1 can be improved, thereby increasing the sealing performance of the purification tank.

[0030] Working principle: When in use, the liquid to be purified is added into the temporary storage tank 2 through the liquid inlet valve 4, and then the liquid enters the tank body 1. At this time, the fourth filter layer 11, the third filter layer 10, the second filter layer 9 and the first filter layer 8 will purify the liquid, and the impurities in the liquid will accumulate on the upper surface of the fourth filter layer 11. At this time, the servo motor 303 is started. When the servo motor 303 is started, its output shaft drives the rotating shaft 301 to rotate, and the rotation of the rotating shaft 301 drives the scraping paddle 302 to rotate, thereby scraping the impurities on the surface of the fourth filter layer 11, and transporting the impurities through the scraping paddle 302. The scraping paddle 302 will scrape the upper surface of the fourth filter layer 11 and transport the impurities to the inside of the discharge pipe 5, and then the impurities fall on the surface of the collection box 6 for collection, and then the liquid is discharged through the drain valve 7.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A biological purification tank, characterized in that: include: A tank body (1), wherein the tank body (1) is provided with a temporary storage tank (2) connected thereto, a drain valve (7) is installed at the bottom of the tank body (1), and the interior of the tank body (1) is provided with a first filter layer (8), a second filter layer (9), a third filter layer (10) and a fourth filter layer (11) in sequence from bottom to top; The top of the temporary storage tank (2) is provided with a liquid inlet valve (4), the upper part of the outer peripheral wall of the temporary storage tank (2) is provided with a discharge pipe (5), the interior of the temporary storage tank (2) is provided with a discharge mechanism (3) for lifting and transporting impurities on the fourth filter layer (11) to the discharge pipe (5), and the upper surface of the tank body (1) is provided with a collection box (6) adapted to the discharge pipe (5).

2. A biological purification tank according to claim 1, characterized in that: The first filter layer (8) is a fiber filter material, which is an elastic polystyrene filler. The second filter layer (9) is a tube flow filter material, which is a honeycomb filler. The porosity of the second filter layer (9) is 80%-90%.

3. A biological purification tank according to claim 1, characterized in that: The third filter layer (10) is a hollow block filter material, the hollow block filter material is a cylindrical plastic, and the fourth filter layer (11) is a solid block filter material.

4. A biological purification tank according to claim 1, characterized in that: The discharging mechanism (3) comprises a rotating shaft (301) rotatably connected to the inner side of the temporary storage tank (2) and a servo motor (303) mounted on the top of the temporary storage tank (2); a spiral scraping paddle (302) is mounted on the surface of the rotating shaft (301); the scraping paddle (302) extends to above the fourth filter layer (11); and an output shaft of the servo motor (303) is fixedly connected to one end of the rotating shaft (301).

5. The biological purification tank according to claim 1, characterized in that: The upper surface of the tank body (1) is provided with a mounting groove (12) that is slidably matched with the collection box (6), and a moving handle (13) is installed on the surface of the collection box (6).

6. A biological purification tank according to claim 1, characterized in that: The tank body (1) and the temporary storage tank (2) are detachably connected, a plurality of reinforcing blocks (14) are rotatably connected to the surface of the tank body (1), and a plurality of clamping blocks (15) respectively adapted to the plurality of reinforcing blocks (14) are arranged on the surface of the temporary storage tank (2).

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