CN210764747U

CN210764747U - Oily wastewater treatment device

Info

Publication number: CN210764747U
Application number: CN201921588497.8U
Authority: CN
Inventors: 周云; 胡建坡; 王忠领
Original assignee: Hebei Heyue Environmental Protection Technology Co ltd
Current assignee: Hebei Heyue Environmental Protection Technology Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-06-16
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses an oily wastewater treatment device, which comprises a separation chamber, wherein the upper end of the separation chamber is provided with an upper pressure plate, the upper end of the upper pressure plate is provided with a flocculating agent box, the flocculating agent box is connected with a flocculating agent pump, the flocculating agent pump is respectively connected with a first pipeline and a second pipeline, and the first pipeline and the second pipeline both enter the separation chamber; the separation chamber is internally provided with a floating oil collector and a hollow rotating shaft, one end of the hollow rotating shaft is connected with an air pump and a synchronous gear, and the synchronous gear is connected with a motor; a gas distribution chamber is arranged on the hollow rotating shaft, a hollow pipe is arranged between the gas distribution chambers, a plurality of gas nozzles are distributed on the hollow pipe at intervals, and a first filtering chamber is arranged below the separating chamber; and a second filtering chamber is arranged on the right side of the separation chamber, a settling chamber is arranged below the second filtering chamber, and the settling chamber and the first filtering chamber are both connected with a clear water chamber. The utility model discloses oily wastewater treatment device simple structure collects each technology in an organic whole, convenient operation, and waste water treatment is efficient and of high quality.

Description

Oily wastewater treatment device

Technical Field

The utility model relates to a waste water treatment technical field especially relates to an oily wastewater treatment device.

Background

In the current industrial production process, the industrial wastewater not only needs to treat some harmful substances, such as metal pollution, etc., but also needs to treat some oil stains, whether petroleum stains or plant oil stains used in industrial production. However, the conventional wastewater oil removing device has many facilities, high cost and wide occupied area, for example, in the patent documents of chinese patent application No. 201820889963.5 entitled "a kind of aluminum material alkaline washing oily wastewater treatment device", the oily wastewater treatment device described in the patent documents is composed of a neutralization tank, a coagulation tank, an air flotation tank, a filter tank and other facilities, and has many processes, large facilities and large occupied area, thereby resulting in high wastewater treatment cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an oily effluent treatment plant solves the problem that waste water deoiling device equipment is more, with high costs and area is wide.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to an oily wastewater treatment device, which comprises a separation chamber, wherein an upper pressure plate is arranged at the upper end of the separation chamber, a flocculating agent box is arranged at the upper end of the upper pressure plate, the flocculating agent box is connected with a flocculating agent pump, the flocculating agent pump is respectively connected with a first pipeline and a second pipeline, and the first pipeline passes through the separation chamber and extends into the separation chamber; the second pipeline penetrates through the separation chamber and extends into a water inlet pipe in the separation chamber, one end of the water inlet pipe is connected with a wastewater drainage device, and the other end of the water inlet pipe penetrates through the separation chamber and extends into the separation chamber;

the separation chamber is internally provided with a floating oil collector and a hollow rotating shaft, the floating oil collector is positioned below the water inlet pipe and the first pipeline, and the hollow rotating shaft is positioned below the floating oil collector; one end of the hollow rotating shaft can rotatably penetrate out of the separation chamber and is connected with an air pump, and the other end of the hollow rotating shaft can be rotatably arranged on the inner side wall of the separation chamber; the air pump is connected with an air source, one side of the hollow rotating shaft, which penetrates out of the separation chamber, is provided with a synchronous gear, and the synchronous gear is connected with a motor through a chain; the hollow rotating shaft is provided with gas distribution chambers respectively positioned at the left side and the right side of the separation chamber, an upper hollow pipe and a lower hollow pipe are arranged between the left gas distribution chamber and the right gas distribution chamber, and a plurality of gas nozzles are distributed on the hollow pipes at intervals; compressed gas comes out from the gas source, sequentially passes through the gas pump, the hollow rotating shaft, the gas distribution chamber and the hollow pipe, and is finally sprayed out from the gas nozzle;

a first filtering chamber is arranged below the separation chamber, and a first water outlet is arranged between the separation chamber and the first filtering chamber;

a second filtering chamber is arranged on the right side of the separation chamber, a third water outlet is arranged between the separation chamber and the second filtering chamber, a second active carbon adsorption layer is arranged in the second filtering chamber, and a quartz sand filtering layer is arranged below the second active carbon adsorption layer; the left ends of the second active carbon adsorption layer and the quartz sand filter layer are both arranged on the supporting plate, and the right ends of the second active carbon adsorption layer and the quartz sand filter layer are arranged on the inner side wall of the right side of the separation chamber; the supporting plate is installed on the inner side wall of the left side of the separation chamber, a settling chamber is arranged below the quartz sand filtering layer, an oil stain outlet is formed in the lower end of the settling chamber, a clear water chamber is arranged on the left side of the settling chamber, and a water outlet II is formed in the lower end of the clear water chamber; the settling chamber and the clear water chamber are separated by a partition plate, and clear water in the settling chamber enters the clear water chamber from an opening at the upper end of the partition plate; the clean water chamber is communicated with the first filtering chamber, and an active carbon adsorption layer I is arranged between the clean water chamber and the first filtering chamber.

Further, a flocculating agent nozzle is arranged at the head of the first pipeline.

Furthermore, a ring-shaped air seal is arranged at the connecting part of the hollow rotating shaft and the air pump.

Furthermore, electromagnetic valves are arranged on the first water outlet, the second water outlet, the third water outlet, the oil stain outlet, the water inlet pipe, the first pipeline and the second pipeline.

Further, the oil stain outlet is connected with a sludge collecting tank.

Further, the air nozzles are oriented differently.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model discloses a processing procedure of oily waste water treatment facilities all goes on in a device, synthesizes traditional multiple equipment, multiple operation into one, reduces unnecessary area, and has effectively reduced the cost expenditure. In the device, the device is mainly divided into five working chambers, wastewater is firstly subjected to air-floating oil-water separation in a separation chamber, in the process, a motor controls a hollow rotating shaft to rotate, bubbles in the wastewater are filled in the whole separation chamber, grease at the bottom layer is fully blown to the surface of the wastewater, the efficiency is improved, oil-water high-efficiency separation is finally realized under the action of full mixing of a flocculating agent, the separated oil stains float on the water surface and are collected by a floating oil collector, clear water enters a filter chamber from a lower water outlet I and enters a clear water chamber after being filtered again through an activated carbon adsorption layer, and the purity of the clear water is further improved; and the water in the upper layer possibly contains a small amount of oil, enters the second filter chamber, is purified by the quartz sand filter layer and the activated carbon adsorption layer, then enters the sedimentation tank for sedimentation, and the clear water enters the clear water chamber for thorough purification of the wastewater. In a word, the utility model discloses oily wastewater treatment device simple structure collects each technology in an organic whole, convenient operation, and waste water treatment is efficient and of high quality.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

FIG. 1 is a schematic structural view of the oily wastewater treatment device of the utility model;

description of reference numerals: 1. a gas source; 2. a motor; 3. an air pump; 4. a chain; 5. a synchronizing gear; 6. a first water outlet; 7. a separation chamber; 8. a hollow rotating shaft; 9. a hollow tube; 10. an air nozzle; 11. a first filtering chamber; 12. A gas diversion chamber; 13. a first active carbon adsorption layer; 14. a clear water chamber; 15. a partition plate; 16. a water outlet II; 17. an oil stain outlet; 18. a settling chamber; 19. a quartz sand filter layer; 20. a second active carbon adsorption layer; 21. A support plate; 22. a water outlet III; 23. a flocculant nozzle; 24. a first pipeline; 25. a flocculant pump; 26. a flocculant box; 27. an upper pressure plate; 28. a floating oil collector; 29. a second pipeline; 30. and (4) a water inlet pipe.

Detailed Description

As shown in figure 1, the oily wastewater treatment device comprises a separation chamber 7, wherein an upper pressure plate 27 is arranged at the upper end of the separation chamber 7 and is used for sealing the upper end opening of the separation chamber 7 and preventing some impurities from entering the separation chamber. Flocculating agent case 26 is installed to the upper end of top board 27, flocculating agent case 26 is connected with flocculating agent pump 25, flocculating agent pump 25 is connected with pipeline one 24 and pipeline two 29 respectively, pipeline one 24 passes separating chamber 7 stretches into inside separating chamber 7, flocculating agent nozzle 23 is installed to the head of pipeline one 24, and flocculating agent nozzle 23 can be with the vaporific blowout of flocculating agent, enlarges the blowout area, guarantees the intensive mixing with waste water. The second pipeline 29 penetrates through the separation chamber 7 and extends into a water inlet pipe 30 in the separation chamber 7, so that the contact area between the second pipeline and the wastewater is further increased, and the situation that the flocculating agent is not mixed timely due to too fast wastewater flow is avoided. One end of the water inlet pipe 30 is connected with a waste water drainage device, and the other end of the water inlet pipe penetrates through the separation chamber 7 and extends into the separation chamber 7.

And a floating oil collector 28 and a hollow rotating shaft 8 are arranged in the separation chamber 7, and the floating oil collector 28 is positioned below the water inlet pipe 30 and the first pipeline 24 and is used for collecting oil stains floating on the water surface. Hollow rotating shaft 8 is located the below of oil slick collector 28, just the rotatable wearing out of one end of hollow rotating shaft 8 separator 7 is connected with air pump 3, and the other end is rotatable installs on the separator 7 inside wall, air pump 3 is connected with air supply 1. The position where the hollow rotating shaft 8 is connected with the air pump 3 is provided with an annular air seal, so that air leakage of the hollow rotating shaft 8 in the rotating process is avoided. Hollow rotating shaft 8 wears out synchronizing gear 5 is installed to one side of separation chamber 7, synchronizing gear 5 is connected with motor 2 through chain 4, and motor 2 drive hollow rotating shaft 8 rotates. Hollow rotating shaft 8 is located gas branch flow chamber 12 is installed respectively to the left and right sides of separation chamber 7, controls two upper and lower hollow tubes 9 are installed between gas branch flow chamber 12, interval distribution has a plurality of air nozzle 10 on the hollow tube 9, air nozzle 10's orientation is different, can guarantee that gas disperses each angle of waste water. Compressed gas follows air source 1 comes out, passes through in proper order air pump 3, hollow shaft 8, gaseous flow distribution chamber 12 and hollow tube 9 follow at last air nozzle 10 blowout, and under the effect of motor 2, not only increased blowout gas and waste water area of contact, still effectively improved the come-up speed of bubble, guarantee that the oily sewage of bottom all can turn over to the surface.

A first filtering chamber 11 is arranged below the separating chamber 7, a first water outlet 6 is arranged between the separating chamber 7 and the first filtering chamber 11, and separated wastewater enters the first filtering chamber 11 from the first water outlet 6.

Two 31 in the filter chamber are installed on the right side of separation chamber 7, separation chamber 7 with install delivery port three 22 between two 31 in the filter chamber, the little waste water of oiliness enters into two 31 in the filter chamber from delivery port three 22, two 31 internally mounted in the filter chamber have two 20 active carbon adsorption layers, quartz sand filter layer 19 is installed to two 20 below on the active carbon adsorption layer, has still existing trace greasy dirt and some water-soluble surfactant active to filter the absorption in the waste water through two 20 and the quartz sand filter layer 19 on the active carbon adsorption layer, accomplishes better waste water purification step.

The left ends of the second activated carbon adsorption layer 20 and the quartz sand filter layer 19 are both installed on the supporting plate 21, the right end is installed on the inner side wall of the right side of the separation chamber 7, the supporting plate 21 is installed on the inner side wall of the left side of the separation chamber 7, and the stability of installation of the second activated carbon adsorption layer 20 and the quartz sand filter layer 19 is guaranteed.

And a settling chamber 18 is arranged below the quartz sand filtering layer 19 and used for settling sludge with larger specific gravity. An oil stain outlet 17 is arranged at the lower end of the settling chamber 18, and sludge at a settling position is discharged from the oil stain outlet and enters a sludge collecting tank connected with the oil stain outlet.

A clean water chamber 14 is arranged at the left side of the settling chamber 18, a water outlet II 16 is arranged at the lower end of the clean water chamber 14, and finally filtered clean water flows out from the water outlet II. The settling chamber 18 and the clean water chamber 14 are separated by a partition plate 15, and clean water in the settling chamber 18 enters the clean water chamber 14 from an opening at the upper end of the partition plate 15. The clean water chamber 14 is communicated with the first filtering chamber 11, and a first activated carbon adsorption layer 13 is installed between the clean water chamber 14 and the first filtering chamber 11 (the function is the same as that of the second activated carbon adsorption layer, and redundant description is omitted here).

In addition, electromagnetic valves are respectively arranged on the first water outlet 6, the second water outlet 16, the third water outlet 22, the oil stain outlet 17, the water inlet pipe 30, the first pipeline 24 and the second pipeline 29, and the opening states of the outlets and the pipelines can be controlled through an electric control element, so that automatic processing is realized.

The action process of the utility model is as follows:

firstly, oily wastewater enters a separation chamber 7 from a water inlet pipe 30, and in the process, a flocculating agent enters a pipeline I24 and a pipeline II 29 respectively through a flocculating agent pump 25 and is fully mixed with the wastewater;

secondly, starting the motor 2 and the air pump 3, and continuously injecting air into the wastewater in the separation chamber 7 by the air nozzle 10 until the flocculating agent and the oil stain are fully mixed to form floccules which are collected by the floating oil collector 28;

finally, the wastewater after primary separation and filtration respectively enters the first filtering chamber 11 and the second filtering chamber 31 for secondary filtration, wherein the upper filtered water is precipitated by the precipitation chamber 18, enters the clean water chamber 14 together with the lower filtered water, and finally exits from the second water outlet 16.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides an oily effluent treatment plant which characterized in that: the device comprises a separation chamber (7), wherein an upper pressure plate (27) is arranged at the upper end of the separation chamber (7), a flocculant box (26) is arranged at the upper end of the upper pressure plate (27), the flocculant box (26) is connected with a flocculant pump (25), the flocculant pump (25) is respectively connected with a first pipeline (24) and a second pipeline (29), and the first pipeline (24) penetrates through the separation chamber (7) and extends into the separation chamber (7); the second pipeline (29) penetrates through the separation chamber (7) and extends into a water inlet pipe (30) in the separation chamber (7), one end of the water inlet pipe (30) is connected with a waste water drainage device, and the other end of the water inlet pipe penetrates through the separation chamber (7) and extends into the separation chamber (7);

a floating oil collector (28) and a hollow rotating shaft (8) are arranged in the separation chamber (7), the floating oil collector (28) is positioned below the water inlet pipe (30) and the pipeline I (24), and the hollow rotating shaft (8) is positioned below the floating oil collector (28); one end of the hollow rotating shaft (8) rotatably penetrates through the separation chamber (7) to be connected with an air pump (3), and the other end of the hollow rotating shaft is rotatably arranged on the inner side wall of the separation chamber (7); the air pump (3) is connected with an air source (1), one side of the hollow rotating shaft (8) penetrating out of the separation chamber (7) is provided with a synchronous gear (5), and the synchronous gear (5) is connected with a motor (2) through a chain (4); the hollow rotating shaft (8) is respectively provided with a gas distribution chamber (12) at the left side and the right side of the separation chamber (7), an upper hollow pipe (9) and a lower hollow pipe (9) are arranged between the left gas distribution chamber and the right gas distribution chamber (12), and a plurality of gas nozzles (10) are distributed on the hollow pipes (9) at intervals; compressed gas flows out of the gas source (1), sequentially passes through the gas pump (3), the hollow rotating shaft (8), the gas distribution chamber (12) and the hollow pipe (9), and is finally sprayed out of the gas nozzle (10);

a first filtering chamber (11) is arranged below the separating chamber (7), and a first water outlet (6) is arranged between the separating chamber (7) and the first filtering chamber (11);

a second filtering chamber (31) is arranged on the right side of the separating chamber (7), a third water outlet (22) is arranged between the separating chamber (7) and the second filtering chamber (31), a second activated carbon adsorption layer (20) is arranged in the second filtering chamber (31), and a quartz sand filtering layer (19) is arranged below the second activated carbon adsorption layer (20); the left ends of the second active carbon adsorption layer (20) and the quartz sand filter layer (19) are both arranged on a support plate (21), and the right end is arranged on the inner side wall of the right side of the separation chamber (7); the supporting plate (21) is arranged on the inner side wall of the left side of the separation chamber (7), a settling chamber (18) is arranged below the quartz sand filtering layer (19), an oil stain outlet (17) is formed in the lower end of the settling chamber (18), a clear water chamber (14) is arranged on the left side of the settling chamber (18), and a second water outlet (16) is formed in the lower end of the clear water chamber (14); the settling chamber (18) and the clear water chamber (14) are separated by a partition plate (15), and clear water in the settling chamber (18) enters the clear water chamber (14) from an opening at the upper end of the partition plate (15); the clean water chamber (14) is communicated with the first filtering chamber (11), and an active carbon adsorption layer I (13) is arranged between the clean water chamber (14) and the first filtering chamber (11).

2. The oily wastewater treatment apparatus according to claim 1, characterized in that: and a flocculating agent nozzle (23) is arranged at the head of the first pipeline (24).

3. The oily wastewater treatment apparatus according to claim 1, characterized in that: and a ring-shaped air seal is arranged at the connecting part of the hollow rotating shaft (8) and the air pump (3).

4. The oily wastewater treatment apparatus according to claim 1, characterized in that: and electromagnetic valves are arranged on the first water outlet (6), the second water outlet (16), the third water outlet (22), the oil stain outlet (17), the water inlet pipe (30), the first pipeline (24) and the second pipeline (29).

5. The oily wastewater treatment apparatus according to claim 1, characterized in that: the oil stain outlet (17) is connected with a sludge collecting tank.

6. The oily wastewater treatment apparatus according to claim 1, characterized in that: the air nozzles (10) are oriented differently.