A septic tank effluent purification device based on glass lightweight stone

Abstract

The utility model discloses a kind of septic tank tail water purification devices based on glass light stone, belong to sewage treatment technical field, including box, box is sequentially separated into primary biological filtration area, secondary biological filtration area, sedimentation area and water purification area by first baffle, second baffle and third baffle in box inner chamber;Primary biological filtration area is provided with primary glass light stone filter device, and the middle upper portion of first baffle is provided with first opening;Secondary biological filtration area is provided with secondary glass light stone filter device, and the middle lower portion of second baffle is provided with second opening;Sedimentation area upper portion is provided with inclined plate filler layer, and the upper portion of third baffle is provided with overflow, and overflow is located above inclined plate filler layer;The bottom of water purification area is provided with water outlet, and water outlet is sequentially connected with sterilizer and drainage pump.The utility model is used to handle septic tank sedimentation after tail water, and processing efficiency is high, and processing effect is good, and ammonia nitrogen, COD, BOD5 in sewage can be effectively degraded.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sewage treatment technical field especially relates to a septic tank tail water purification device based on glass pumice. BACKGROUND

[0002] The septic tank is the equipment that handles excrement and filters and deposits. Its principle is to use the principle of deposition and anaerobic fermentation to collect and treat the sewage discharged by the building sewer. It decomposes the solid material in the excrement through anaerobic fermentation and makes it sink to the bottom, which can be removed regularly.

[0003] However, the sewage contains oil and chemicals, which can seriously affect the anaerobic fermentation and reduce the biochemical action of the septic tank. Therefore, the septic tank water treatment is only a preliminary treatment or a pretreatment of domestic sewage, and has a very small effect on sewage treatment. It can only degrade a small amount of ammonia nitrogen in the sewage, and cannot treat COD, BOD5, suspended solids and other indicators, and cannot meet the discharge standard of domestic sewage. SUMMARY

[0004] The utility model discloses a septic tank tail water purification device based on glass pumice, which is arranged in the rear section of the septic tank deposition area and used for treating the tail water after deposition in the septic tank. The treatment efficiency is high, the treatment effect is good, and the ammonia nitrogen, COD and BOD5 in the sewage can be effectively degraded.

[0005] To achieve the above-mentioned utility model purposes, the utility model adopts the technical scheme that:

[0006] A septic tank tail water purification device based on glass pumice, comprising a box body, characterized in that the box body is sequentially divided into a first-stage biological filtration area, a second-stage biological filtration area, a deposition area and a water purification area by a first partition plate, a second partition plate and a third partition plate. The top of the first-stage biological filtration area is provided with a water inlet, and a first-stage glass pumice filtration device is arranged in the first-stage biological filtration area. The middle upper part of the first partition plate is provided with a first opening for communication between the first-stage biological filtration area and the second-stage biological filtration area. The second-stage biological filtration area is provided with a second-stage glass pumice filtration device, and the middle lower part of the second partition plate is provided with a second opening for communication between the second-stage biological filtration area and the deposition area. The upper part of the deposition area is provided with an inclined plate filler layer, the upper part of the third partition plate is provided with an overflow port for communication between the deposition area and the water purification area, and the overflow port is located above the inclined plate filler layer. The bottom of the water purification area is provided with a water outlet, and the water outlet is sequentially connected with a sterilizer and a drainage pump.

[0007] The further improvement of the utility model lies in, the first stage glass light stone filter device and the second stage glass light stone filter device all include the shell, the shell is composed of the square frame and the grating plate arranged on each side of the square frame, the shell is filled with glass light stone, the first stage glass light stone filter device is fixed on the inner wall of the first stage biological filtration area, and there is interval between the first stage glass light stone filter device and the first partition, the second stage glass light stone filter device is fixed on the second partition, and there is interval between the second stage glass light stone filter device and the first partition, the second opening is located below the second stage glass light stone filter device, the shell formed by the square frame and the grating plate can effectively fix the glass light stone, and does not affect its contact with sewage, because the first opening is arranged on the upper part of the first partition, so the first stage glass light stone filter device and the second stage glass light stone filter device are spaced apart from the first partition, so that the sewage in the first stage biological filtration area and the second stage biological filtration area can be self-circulated.

[0008] The further improvement of the utility model lies in, the first partition and the second partition are provided with the air vent on the top, the box body is provided with the gas outlet on the top, the gas generated in the box body is discharged outside through the gas outlet, the gas outlet is arranged on the top of the first partition and the second partition, so that the upper air of the first stage biological filtration area, the second stage biological filtration area and the sedimentation area is communicated, and the overflow port can also make the upper air of the sedimentation area and the clean water area communicated, so that the gas generated in each area of the box body can be discharged through the gas outlet.

[0009] The further improvement of the utility model lies in, the upper part of the clean water area is provided with the emergency overflow port, and the water in the box body is discharged from the emergency overflow port when the water is too much.

[0010] The further improvement of the utility model lies in, the liquid level probe is arranged in the clean water area, and the liquid level probe is used to understand the liquid level in the clean water area.

[0011] The further improvement of the utility model lies in, the aeration device is arranged on the bottom of the first stage biological filtration area and the second stage biological filtration area, the aeration device is connected with the aeration fan, the aeration fan is fixed on the outer wall of the box body, the water body is fully aerobic through aeration, which is beneficial to microbial degradation, and also promotes the self-circulation effect of the water flow in the first stage biological filtration area and the second stage biological filtration area.

[0012] The further improvement of the utility model lies in that the inner bottom of the first biological filtration area, the second biological filtration area, the sedimentation area and the water purification area is connected with backwashing pipeline, the bottom of the first biological filtration area, the second biological filtration area, the sedimentation area and the water purification area is provided with a residue discharge port, when the equipment needs to be cleaned, backwashing water is pumped into each area in the box through the backwashing pipeline for flushing, after flushing, sewage is discharged through the residue discharge port, through backwashing, the non-degradable solid impurities adsorbed on the glass flint are flushed out, the use effect of the glass flint is enhanced, and the service life of the glass flint is prolonged.

[0013] The utility model has the advantages that:

[0014] The utility model discloses a biological treatment device for sewage treatment, which comprises a box body, a first partition plate, a second partition plate, a third partition plate, a first biological filtration area, a second biological filtration area, a sedimentation area, a water purification area, a water inlet, a first glass flint filtration device, a first opening, a second glass flint filtration device, a second opening, an inclined plate filler layer, an overflow port, a water outlet, a sterilizer, a drainage pump, a shell, a square frame, a grating plate, glass flints, an air inlet, an air outlet, an emergency overflow port, a liquid level probe and an aeration device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model.

[0016] In the figure: the box body 1, the first partition plate 2, the second partition plate 3, the third partition plate 4, the first biological filtration area 5, the second biological filtration area 6, the sedimentation area 7, the water purification area 8, the water inlet 9, the first glass flint filtration device 10, the first opening 11, the second glass flint filtration device 12, the second opening 13, the inclined plate filler layer 14, the overflow port 15, the water outlet 16, the sterilizer 17, the drainage pump 18, the shell 19, the square frame 20, the grating plate 21, the glass flint 22, the air inlet 23, the air outlet 24, the emergency overflow port 25, the liquid level probe 26, the aeration device 27, the aeration fan 28, the backwashing pipeline 29, the residue discharge port 30. DETAILED DESCRIPTION

[0017] The technical scheme of the utility model will be further described in detail below by specific embodiments and in combination with the drawings:

[0018] The utility model provides a kind of septic tank tail water purification device based on glass pumice, including box 1, the cavity in box 1 is sequentially separated into primary biological filtration area 5, secondary biological filtration area 6, sedimentation area 7 and clean water area 8 by first baffle 2, second baffle 3 and third baffle 4;Primary biological filtration area 5 top is provided with water inlet 9, and primary biological filtration area 5 is provided with primary glass pumice filter device 10, and the middle upper portion of first baffle 2 is provided with first opening 11 for the communication of primary biological filtration area 5 and secondary biological filtration area 6;Secondary biological filtration area 6 is provided with secondary glass pumice filter device 12, and the middle lower portion of second baffle 3 is provided with second opening 13 for the communication of secondary biological filtration area 6 and sedimentation area 7;Sedimentation area 7 is provided with inclined plate filler layer 14 in upper portion, and the upper portion of third baffle 4 is provided with overflow outlet 15 for the communication of sedimentation area 7 and clean water area 8, and overflow outlet 15 is located above inclined plate filler layer 14;The bottom of clean water area 8 is provided with water outlet 16, and water outlet 16 is sequentially connected with sterilizer 17 and drainage pump 18.

[0019] In the embodiment, the primary glass pumice filter device 10 and the secondary glass pumice filter device 12 each include a shell 19 composed of a square frame 20 and a grid plate 21 arranged on each side of the square frame 20, and the shell 19 is filled with glass pumice 22. The primary glass pumice filter device 10 is fixed to the inner wall of the primary biological filtration area 5 and is spaced apart from the first baffle 2. The secondary glass pumice filter device 12 is fixed to the second baffle 3 and is spaced apart from the first baffle 2. The second opening 13 is located below the secondary glass pumice filter device 12. The shell 19 composed of the square frame 20 and the grid plate 21 can effectively fix the glass pumice 22 and does not affect the contact of the glass pumice 22 with the sewage. Since the first opening 11 is arranged in the middle upper portion of the first baffle 2, the primary glass pumice filter device 10 and the secondary glass pumice filter device 12 are spaced apart from the first baffle 2 so as not to affect the flow of the sewage. In this way, the flow of the sewage is not affected, and space is provided for the self-circulation of the sewage in the primary biological filtration area 5 and the secondary biological filtration area 6.

[0020] In the embodiment, air vents 23 are arranged on the top of the first baffle 2 and the second baffle 3, and an air outlet is arranged on the top of the box 1. The gas generated in the box 1 is discharged through the air outlet. The air vents 23 arranged on the top of the first baffle 2 and the second baffle 3 enable the air in the upper portions of the primary biological filtration area 5, the secondary biological filtration area 6, and the sedimentation area 7 to communicate with each other. The overflow outlet 15 also enables the air in the upper portions of the sedimentation area 7 and the clean water area 8 to communicate with each other. Thus, the gas generated in each area of the box 1 can be discharged through the air outlet.

[0021] In the embodiment, an emergency overflow outlet 25 is arranged in the upper portion of the clean water area 8. If the water in the box 1 is too much, the water will be discharged through the emergency overflow outlet 25.

[0022] In the embodiment, the liquid level probe is arranged in the water purification area 8, and the liquid level probe is used to understand the liquid level inside the water purification area 8.

[0023] In the embodiment, the aeration device 27 is arranged at the bottom of the first biological filtration area 5 and the second biological filtration area 6, the aeration device 27 is connected with the aeration fan, the aeration fan is fixed on the outer wall of the box body 1, and the aeration device 27 is used to make the water body in a sufficient aerobic state, so that the microorganism degradation is facilitated, and the water flow in the first biological filtration area 5 and the second biological filtration area 6 is facilitated to realize the self-circulation effect.

[0024] In the embodiment, the backwashing pipeline is connected with the inner bottom of the first biological filtration area 5, the second biological filtration area 6, the sedimentation area 7 and the water purification area 8, the slag discharge port is arranged at the bottom of the first biological filtration area 5, the second biological filtration area 6, the sedimentation area 7 and the water purification area 8, the backwashing water is pumped into each area in the box body 1 for flushing through the backwashing pipeline when the equipment needs to be cleaned, the sewage is discharged through the slag discharge port after flushing, the solid impurities that cannot be degraded and are adsorbed on the glass beads 22 are flushed out through backwashing, the use effect of the glass beads 22 is enhanced, and the service life of the glass beads 22 is prolonged.

[0025] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary, and cannot be understood as the limitation of the utility model, the ordinary skilled in the art can change, modify, replace and transform the above-mentioned embodiments in the range of the utility model without departing from the principles and purposes of the utility model, and any simple modification, equivalent change and modification made according to the technical essence of the utility model to the above-mentioned embodiments still belong to the range of the technical scheme of the utility model.

Claims

1. A glassy pumice-based septic tank effluent purification device comprising a tank, characterized by, The inner cavity of the box is sequentially divided into a primary biological filtration zone, a secondary biological filtration zone, a sedimentation zone and a purified water zone by a first partition plate, a second partition plate and a third partition plate; the primary biological filtration zone is provided with a water inlet at the top thereof, and a primary glass lightweight stone filtration device is arranged in the primary biological filtration zone; the middle upper portion of the first partition plate is provided with a first opening for communication between the primary biological filtration zone and the secondary biological filtration zone; the secondary biological filtration zone is provided with a secondary glass lightweight stone filtration device, and the middle lower portion of the second partition plate is provided with a second opening for communication between the secondary biological filtration zone and the sedimentation zone; the upper portion of the sedimentation zone is provided with an inclined plate filler layer, the upper portion of the third partition plate is provided with an overflow port for communication between the sedimentation zone and the purified water zone, and the overflow port is located above the inclined plate filler layer; the bottom of the purified water zone is provided with a water outlet, and the water outlet is sequentially connected with a sterilizer and a drainage pump.

2. A glassy pumice-based septic tank effluent purification device according to claim 1, characterized in that, The primary glass lightweight stone filtration device and the secondary glass lightweight stone filtration device each comprise a shell composed of a square frame and a grid plate arranged on each side of the square frame, and the shell is filled with glass lightweight stones; the primary glass lightweight stone filtration device is fixed on the inner wall of the primary biological filtration zone and is spaced apart from the first partition plate; the secondary glass lightweight stone filtration device is fixed on the second partition plate and is spaced apart from the first partition plate, and the second opening is located below the secondary glass lightweight stone filtration device.

3. A glassy pumice based septic tank effluent purification device according to claim 1, characterized in that, The top of the first partition plate and the second partition plate is provided with a vent, and the top of the box is provided with an air outlet.

4. A glassy pumice based septic tank effluent purification device according to claim 1, characterized in that, The upper portion of the purified water zone is provided with an emergency overflow port.

5. A glassy pumice based septic tank effluent purification device according to claim 1, characterized in that, A liquid level probe is arranged in the purified water zone.

6. A glassy pumice based septic tank effluent purification device according to claim 1, characterized in that, An aeration device is arranged at the bottom of the primary biological filtration zone and the secondary biological filtration zone, and the aeration device is connected with an aeration fan which is fixed on the outer wall of the box.

7. A glassy pumice based septic tank effluent purification device according to claim 1, characterized in that, A backwashing pipeline is connected to the inner bottom of the primary biological filtration zone, the secondary biological filtration zone, the sedimentation zone and the purified water zone, and a residue discharge port is arranged at the bottom of the primary biological filtration zone, the secondary biological filtration zone, the sedimentation zone and the purified water zone.

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