CN108947088A - A kind of casting industry waste water treatment system - Google Patents

Abstract

The invention discloses a kind of casting industry waste water treatment systems, it is related to field of waste water treatment, including water inlet pipe, inclined-plate clarifying basin, oil water separator and coagulation reaction tank, the side of water inlet pipe is connected with conditioning tank, inclined-plate clarifying basin, oil water separator and coagulation reaction tank are disposed in the horizontal direction to the right by basic point of conditioning tank, and are connected by pipeline between conditioning tank, inclined-plate clarifying basin, oil water separator and coagulation reaction tank.It is of the invention novel in design, it is easy to use, it is adsorbed and collected by the irony powder that magnechuck can be discharged in sewage foundry industry with iron filings, on the one hand iron filings is avoided to result in blockage pipeline, effectively extend the service life of complete equipment, on the other hand collected iron powder can be recycled with iron filings and utilized, cost waste effectively has been saved, has increased economic well-being of workers and staff, has been provided with medicament adding device, medicament can be accurately added come ammonia ratio according to the summation of water, the science of realization is administered.

Description

A Foundry Industry Wastewater Treatment System

technical field

The invention relates to the technical field of foundry industry and wastewater treatment, in particular to a wastewater treatment system for the foundry industry.

Background technique

Today, with the rapid development of science and technology, due to the special advantages of the casting forming process, there are currently no other manufacturing processes for some complex structural parts. The casting process is still the most economical and convenient metal forming process. With the integration of the global economy, when the international cooperation is getting closer and the competition is becoming more and more fierce, the Chinese automobile foundry industry should give full play to the advantages of foundry resources and develop its own foundry industry. The foundry industry will produce waste water during processing. These The waste water will be discharged after treatment. The waste water contains iron powder and iron filings, which can easily block the pipeline, thus reducing the effect of waste water treatment. Therefore, those skilled in the art provide a wastewater treatment system for the foundry industry to solve the problems raised in the above-mentioned background technology.

Contents of the invention

The purpose of the present invention is to provide a waste water treatment system in the foundry industry to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

A waste water treatment system in the foundry industry, including a water inlet pipe, an inclined plate sedimentation tank, an oil-water separator, and a coagulation reaction tank. One side of the water inlet pipe is connected to a regulating tank, and with the regulating tank as the base point, inclined plates are arranged in turn along the horizontal direction to the right. The plate sedimentation tank, the oil-water separator and the coagulation reaction tank, and the adjustment tank, the inclined plate sedimentation tank, the oil-water separator and the coagulation reaction tank are all connected by pipelines. The inner side of the adjustment tank is fixed with an electromagnetic chuck, and the inclined plate sedimentation tank The bottom of the coagulation reaction tank is connected to the sludge tank through the sewage pipe, the side of the coagulation reaction tank is connected to the drain pipe, and the front surface of the coagulation reaction tank is installed with a chemical addition device, and the inside of the coagulation reaction tank is equipped with a stirring device, and the mixing A strainer is installed at the position corresponding to the drainpipe inside the condensation reaction tank.

Technical effect: The iron powder and iron filings in the sewage discharged from the foundry industry can be adsorbed and collected through the electromagnetic sucker. Iron powder and iron filings can be recycled and reused, which effectively saves cost and waste and increases economic benefits.

The technical scheme further defined in the present invention is:

In the aforementioned waste water treatment system in the foundry industry, the stirring device includes a motor, the rotating end of the motor is fixedly connected to a stirring shaft, the end of the stirring shaft is rotatably connected to a bearing, and the outer surface of the stirring shaft is fixedly provided with stirring blades.

In the aforementioned waste water treatment system in the foundry industry, the medicament adding device includes a mounting plate, the front surface of the mounting plate is provided with a medicament tank, the upper surface of the medicament tank is embedded and connected with an infusion tube, and the upper surface of the medicament tank is located at the center of the infusion tube. A cover is fastened by threads at one side, a water flow meter is connected to the middle section of the infusion tube, and a water outlet tap is connected to one end of the infusion tube.

In the aforementioned waste water treatment system in the foundry industry, a micro-submersible pump is installed inside the chemical tank, and a water level pipe is embedded and connected to one side of the chemical tank, and the outlet end of the micro-submersible pump is connected to the water inlet end of the infusion pipe.

In the aforementioned waste water treatment system in the foundry industry, the outer cover of the electromagnetic chuck is covered with an insulating sleeve, and the insulating sleeve is a component made of plastic material, and the surface of the electromagnetic chuck is provided with through holes, and the through holes are equidistantly and evenly distributed on the surface of the electromagnetic chuck , The diameter of the through hole is 0.5mm.

In the aforementioned waste water treatment system in the foundry industry, the outside of the filter screen is fixed by a rectangular frame, and the frame is fixed on the inside of the coagulation reaction tank by bolts. The filter screen is a component made of PTFE, and the filter screen is The surface pore diameter is 0.45 μm.

Compared with the prior art, the beneficial effects of the present invention are: the present invention is novel in design, simple in structure, convenient to use, energy-saving and environment-friendly:

(1) The present invention is equipped with a medicament adding device, which can accurately add medicaments according to the total amount of water and the proportion of ammonia, realizes scientific treatment, avoids the problem of drug pollution caused by excessive addition of medicaments, and effectively improves the sewage purification effect.

(2) The present invention is equipped with a stirring device, which can quickly neutralize and promote the reaction between the added medicament and the sewage, saves the reaction time, and improves the work efficiency.

(3) The present invention is provided with a filter screen, through which the treated water source can be finally filtered to improve the treatment effect and ensure that the discharged water source can reach the discharge target.

Description of drawings

Fig. 1 is a structural schematic diagram of a wastewater treatment system in the foundry industry;

Fig. 2 is an enlarged view of part A in Fig. 1 of a wastewater treatment system for the foundry industry;

Fig. 3 is a structural schematic diagram of a stirring device for a wastewater treatment system in the foundry industry;

Fig. 4 is a structural schematic diagram of a medicament adding device for a wastewater treatment system used in the foundry industry;

In the figure: 1. Water inlet pipe; 2. Adjusting tank; 3. Inclined plate sedimentation tank; 4. Oil-water separator; 5. Coagulation reaction tank; 6. Drainage pipe; 7. Drug adding device; , water faucet; 703, water flow meter; 704, medicine tank; 705, mounting plate; 706, cover; 8, sludge tank; 9, electromagnetic sucker; 10, stirring device; 101, motor; 102, stirring shaft; 103 , bearing; 104, stirring blade; 11, filter screen.

Detailed ways

Please refer to Figures 1 to 4. In the embodiment of the present invention, a waste water treatment system in the foundry industry includes a water inlet pipe 1, an inclined plate sedimentation tank 3, an oil-water separator 4 and a coagulation reaction tank 5. One side of the water inlet pipe 1 is connected to There is an adjustment tank 2, with the adjustment tank 2 as the base point, the inclined plate sedimentation tank 3, the oil-water separator 4 and the coagulation reaction tank 5 are successively arranged in the horizontal direction, and the adjustment tank 2, the inclined plate sedimentation tank 3, and the oil-water separator 4 and the coagulation reaction tank 5 are connected by pipelines, and the inner side of the adjustment tank 2 is fixedly equipped with an electromagnetic chuck 9, and the outer cover of the electromagnetic chuck 9 is an insulating sleeve. The insulating sleeve is a member of plastic material, and the surface of the electromagnetic chuck 9 is opened There are through holes, and the through holes are equidistantly and evenly distributed on the surface of the electromagnetic chuck 9. The aperture of the through holes is 0.5mm. The powder and iron filings are collected by adsorption. On the one hand, it avoids the iron filings from clogging the pipeline, which effectively prolongs the service life of the whole set of equipment. On the other hand, the collected iron powder and iron filings can be recycled and reused, which effectively saves cost and waste. , increasing economic benefits.

The bottom of the inclined plate sedimentation tank 3 is connected with a sludge tank 8 through a sewage pipe, and one side of the coagulation reaction tank 5 is connected with a drain pipe 6, and the front surface of the coagulation reaction tank 5 is equipped with a medicament addition device 7, and the medicament addition device 7 includes a mounting plate 705, the front surface of the mounting plate 705 is provided with a medicament tank 704, the upper surface of the medicament tank 704 is embedded with an infusion tube 701, and the upper surface of the medicament tank 704 is located on one side of the infusion tube 701. Inherent cover 706, the middle section of infusion tube 701 is connected with water flow meter 703, and one end of infusion tube 701 is connected with outlet tap 702, the inside of medicine tank 704 is provided with micro-submersible pump, and one side of medicine tank 704 is embedded and connected with The water level pipe, the water outlet end of the miniature submersible pump is connected to the water inlet end of the infusion pipe 701, and the inside of the medicine tank 704 is loaded with a high-efficiency composite water purifier. Rated value, after setting the value, the miniature submersible pump is energized and operated. After the miniature submersible pump is energized and operated, the medicine inside the medicine tank 704 is transmitted along the infusion tube 701, and finally injected into the coagulation reaction tank 5 from the outlet tap 702. When the medicament of the water flow meter 703 reaches the set value, the micro submersible pump is turned off to stop the liquid supply, so as to avoid the problem of drug pollution caused by the addition of too much medicament, and effectively improve the sewage purification effect.

The inside of the coagulation reaction tank 5 is equipped with a stirring device 10, the stirring device 10 includes a motor 101, the rotating end of the motor 101 is fixedly connected with a stirring shaft 102, the end of the stirring shaft 102 is rotatably connected with a bearing 103, and the outer surface of the stirring shaft 102 The stirring blade 104 is fixedly installed. When in use, the motor 101 is energized to operate. After the motor 101 is energized and operated, the stirring shaft 102 can drive the stirring blade 104 to rotate, which can quickly neutralize the added medicament and sewage to promote the reaction, saving the reaction time. Improved work efficiency.

The inside of the coagulation reaction tank 5 is equipped with a filter screen 11 corresponding to the position of the drain pipe 6. The outside of the filter screen 11 is fixed by a rectangular frame, and the frame is fixed on the inside of the coagulation reaction tank 5 by bolts. The filter screen 11 It is a component made of PTFE, and the surface of the filter screen 11 has a pore size of 0.45 μm, which can be used for final filtration of the treated water source to improve the treatment effect and ensure that the discharged water source can meet the discharge index.

The working principle of the present invention is as follows: firstly, the wastewater from the foundry industry is injected into the adjustment tank 2 through the water inlet pipe 1 for adjustment, and the adjustment tank 2 is provided with an electromagnetic chuck 9, and the outer cover of the electromagnetic chuck 9 is covered with an insulating sleeve, which is made of plastic material and the surface of the electromagnetic chuck 9 is provided with through holes, the through holes are equidistantly and evenly distributed on the surface of the electromagnetic chuck 9, and the aperture of the through holes is 0.5mm. When in use, the electromagnetic chuck 9 is energized to make it magnetic. It can absorb and collect the iron powder and iron filings in the wastewater discharged from the foundry industry. On the one hand, it can prevent the iron filings from clogging the pipeline, effectively prolonging the service life of the whole set of equipment. On the other hand, the collected iron powder and iron filings can be Recycling is in use, which effectively saves cost and waste, and increases economic benefits. Further, the water source of the regulating tank 2 will enter the sedimentation tank 3 and the oil-water separator 4 in turn through the pipeline, and the sludge settled in the sedimentation tank 3 will pass through the sewage pipe. Sludge tank 8, then, oil-water is separated through oil-water separator 4, and sewage can enter coagulation reaction tank 5, and the front surface of coagulation reaction tank 5 is equipped with agent adding device 7, according to the water quantity in coagulation reaction tank 5 Set the rated value through the water flow meter 703, after setting the value, make the miniature submersible pump energize and operate, after the miniature submersible pump is energized and operated, the medicine inside the medicine tank 704 will be transported along the infusion tube 701, and finally injected into the coagulation from the outlet tap 702 In the reaction pool 5, when the medicament passing through the water flow meter 703 reaches the set value, the micro submersible pump is turned off to stop the liquid supply, so as to avoid the problem of drug pollution caused by the addition of too much medicament, and effectively improve the sewage purification effect. The motor 101 is energized and operated. After the motor 101 is energized and operated, the stirring shaft 102 can drive the stirring blade 104 to rotate, which can quickly neutralize the added medicament and sewage to promote the reaction, save the reaction time, and improve the work efficiency. Finally, through the filter 11 The treated water source can be finally filtered to improve the treatment effect and ensure that the discharged water source can meet the discharge target.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technology of the present invention Any equivalent replacement or change of the scheme and its inventive concepts shall fall within the protection scope of the present invention.

Claims (6)

1. a kind of casting industry waste water treatment system, including water inlet pipe (1), inclined-plate clarifying basin (3), oil water separator (4) and mixed Solidifying reaction tank (5), which is characterized in that the side of the water inlet pipe (1) is connected with conditioning tank (2), it is described with conditioning tank (2) for base Point is disposed with to the right inclined-plate clarifying basin (3), oil water separator (4) and coagulation reaction tank (5), and conditioning tank in the horizontal direction (2), it is connected by pipeline between inclined-plate clarifying basin (3), oil water separator (4) and coagulation reaction tank (5), the conditioning tank (2) it is fixedly installed on the inside of magnechuck (9), the lower section of the inclined-plate clarifying basin (3) is connected with sludge-tank by sewage pipe (8), the side of the coagulation reaction tank (5) is connected with drainpipe (6), and the front surface of coagulation reaction tank (5) is equipped with medicament The inside of adding set (7), the coagulation reaction tank (5) is equipped with agitating device (10), and the inside phase of coagulation reaction tank (5) Strainer (11) are installed at the position of corresponding drainpipe (6).

2. a kind of casting industry waste water treatment system according to claim 1, which is characterized in that the agitating device (10) Including motor (101), the turning end of the motor (101) is fixedly connected with agitating shaft (102), the end of the agitating shaft (102) End is rotatably connected to bearing (103), and the outer surface of agitating shaft (102) is fixedly installed paddle (104).

3. a kind of casting industry waste water treatment system according to claim 1, which is characterized in that the medicament adding device It (7) include mounting plate (705), the front surface of the mounting plate (705) is provided with pharmacy jar (704), the pharmacy jar (704) Upper surface insertion is connected with perfusion tube (701), and the upper surface of pharmacy jar (704) is located at a side position of perfusion tube (701) Have lid (706) by screw threads for fastening, the middle section of the perfusion tube (701) is connected with water ga(u)ge (703), and perfusion tube (701) one end is connected with depotition cock (702).

4. a kind of casting industry waste water treatment system according to claim 2, which is characterized in that the pharmacy jar (704) Be internally provided with miniature immersible pump, and the side insertion of pharmacy jar (704) is connected with water level pipe, the water outlet of miniature immersible pump Connect the water intake end of perfusion tube (701).

5. a kind of casting industry waste water treatment system according to claim 1, which is characterized in that the magnechuck (9) Outer cover insulation sleeve, insulation sleeve is the component of plastic cement material, and the surface of magnechuck (9) offers through-hole, and through-hole is in electricity In being equidistantly uniformly distributed, the aperture of through-hole is 0.5mm on the surface of magnetic-disc (9).

6. a kind of casting industry waste water treatment system according to claim 1, which is characterized in that outside the strainer (11) Portion is fixed by the frame of rectangle, and frame is bolted on the inside of coagulation reaction tank (5), and institute's strainer (11) is one The component of kind PTFE material, and the aperture on the surface of strainer (11) is 0.45 μm.