An oil-containing wastewater treatment device

Abstract

The utility model discloses an oily wastewater treatment device belongs to wastewater treatment technical field. Including oily wastewater treatment box and with the both sides of oily wastewater treatment box through water pipe links together oily wastewater storage tank and wastewater collection tank, is set up in oily wastewater treatment box and is fed hole, is provided with stirring subassembly in the tank, and the two bottom plates of oily wastewater treatment box are hinged and are linked with the two side plates of oily wastewater treatment box, and is provided with the flap subassembly between bottom plate and side plate, and the below of oily wastewater treatment box is provided with oil separation collection tank, and oil separation collection tank is linked with oily wastewater storage tank through water pipe, wastewater collection tank is linked with the rear side wall of oily wastewater treatment box through high pressure water guide pipe, and the inside of oily wastewater treatment box is provided with high pressure washing subassembly. The utility model has solved oily wastewater oil water difficult separation and the problem that manual ladling out floating oil leads to poor separation effect, improves oil water separation efficiency and also realizes the recycling of wastewater, and reduces the cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field especially is involved in a kind of oily wastewater treatment device. BACKGROUND

[0002] Oily wastewater is widely sourced, mainly from petroleum, petrochemical, steel, coking, gas station, mechanical processing and other industrial departments, and has complex composition. If oily wastewater is discharged into rivers, lakes or bays, the oil layer will cover the water surface, preventing oxygen in the air from diffusing into the water; due to the decrease of dissolved oxygen in the water body, the photosynthesis of algae is limited; it affects the normal growth of aquatic organisms, makes aquatic plants and animals have oil taste or toxicity, and even makes the water body stink, destroys the utilization value of water resources, and affects the survival of aquatic organisms. If livestock drink oily wastewater in rivers, they will usually be infected with a fatal esophagus disease; if oily wastewater is used to irrigate farmland, oil and its derivatives will cover the surface of soil and plants, block the pores of soil, prevent air from penetrating, and prevent soil from normal metabolism and microbial metabolism, which hinders the growth of crops and even causes crop reduction or death. In addition, due to the drift and diffusion of oil spill, beaches and seaside tourist areas will be abandoned, causing great environmental and social harm. However, the more serious harm is that petroleum contains carcinogenic hydrocarbons, which are enriched by fish and shellfish and harm human health through the food chain. At present, large equipment is often used for oily wastewater treatment, which is bulky and not targeted, and the equipment investment and operation and maintenance cost are very high, so many factories often idle equipment, illegally discharge wastewater, which not only is not economical but also increases the environmental pollution load. Or manually separate oil and water from oily wastewater, and workers scoop out floating oil on the surface of wastewater according to visual observation and experience, but the separation efficiency is low, the separation effect is poor, and the treatment effect is not obvious. SUMMARY

[0003] The utility model aims at providing an oily wastewater treatment device to solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides an oily wastewater treatment device, which comprises an oily wastewater treatment box, an oily wastewater storage box and a wastewater collection box connected to both sides of the oily wastewater treatment box through water pipes, a stirring assembly arranged in the oily wastewater treatment box, a feed hole formed in the oily wastewater treatment box, two bottom plates of the oily wastewater treatment box hingedly connected to two side plates of the oily wastewater treatment box, a flip cover assembly arranged between the bottom plate and the side plate, an oil collection tank arranged below the oily wastewater treatment box, and the oil collection tank connected to the oily wastewater storage tank through a water pipe; the wastewater collection tank is connected to the rear side wall of the oily wastewater treatment box through a high-pressure water guide pipe, and a high-pressure flushing assembly is arranged in the oily wastewater treatment box.

[0005] Preferably, the stirring assembly comprises a stirring motor arranged on the top end of the outside of the oily wastewater treatment tank, an output shaft of the stirring motor penetrates the oily wastewater treatment tank and is fixedly connected with a stirring shaft, and a plurality of stirring blades are uniformly arranged on the stirring shaft.

[0006] Preferably, first grooves are arranged in the two side plates of the oily wastewater treatment tank, second grooves penetrating the bottoms are arranged in the front plate and the rear plate of the oily wastewater treatment tank, and the flip cover assembly is arranged in the first grooves and the second grooves.

[0007] Preferably, the flip cover assembly comprises a flip cover motor, an output shaft of the flip cover motor is connected with a transmission shaft arranged in the first grooves, the transmission shaft is fixedly connected with a first connecting rod and a second connecting rod arranged in the second grooves, respectively, one end of the first connecting rod and the second connecting rod is hingedly connected with one end of a third connecting rod and a fourth connecting rod, respectively, and the other end of the third connecting rod and the fourth connecting rod is hingedly connected with the two sides of the bottom plate.

[0008] Preferably, the high-pressure flushing assembly comprises a water supply pipe communicated with the high-pressure water guide pipe, and a plurality of high-pressure nozzles are arranged below the water supply pipe.

[0009] Preferably, water pumps are arranged between the oily wastewater storage tank and the oily wastewater treatment tank, between the oily wastewater treatment tank and the wastewater collection tank, and between the oil collection tank and the oily wastewater storage tank.

[0010] Preferably, a high-pressure water pump is arranged between the wastewater collection tank and the oily wastewater treatment tank.

[0011] Therefore, the oily wastewater treatment device with the above structure has the following beneficial effects:

[0012] (1) The treatment device can realize oil-water separation and improve the efficiency and effect of oil-water separation.

[0013] (2) The treatment device can utilize the treated wastewater to perform high-pressure flushing on the oil floc adhered to the inside of the oily wastewater treatment tank, the flushed wastewater can be treated again to complete the circulation of the wastewater, and the treatment cost of the oily wastewater is saved.

[0014] The technical scheme of the present application will be further described in detail below with reference to the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic view of the overall structure of the embodiment of the present application;

[0016] Figure 2 It is the internal section structure schematic view of the oil-containing wastewater treatment box of the embodiment of the utility model;

[0017] Figure 3 It is the section structure schematic view of the high-pressure flushing assembly of the embodiment of the utility model;

[0018] Figure 4 It is the structure schematic view of the flip cover assembly of the embodiment of the utility model;

[0019] Figure 5 It is the side structure schematic view of the second groove in the front plate of the embodiment of the utility model;

[0020] Reference signs:

[0021] 1, oil-containing wastewater treatment box; 2, oil-containing wastewater storage tank; 3, wastewater collection tank; 4, oil separation collection tank; 5, feed hole; 6, bottom plate; 7, side plate; 8, water guide pipe; 9, water pump; 10, high-pressure water guide pipe; 11, high-pressure water pump; 12, stirring motor; 13, stirring shaft; 14, stirring blade; 15, first groove; 16, second groove; 17, flip cover motor; 18, transmission shaft; 19, first connecting rod; 20, second connecting rod; 21, third connecting rod; 22, fourth connecting rod; 23, water supply pipe; 24, high-pressure spray head. DETAILED DESCRIPTION

[0022] The technical scheme of the utility model is further described below by means of the drawings and embodiments.

[0023] Unless otherwise defined, the technical terms or scientific terms used in the utility model should be understood as the usual meaning by those skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connection" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, which may change accordingly when the absolute position of the described object changes.

[0024] The specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, and the mechanical parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0025] Embodiment

[0026] As Figures 1-5 shown, the embodiment provides an oily wastewater treatment device, which comprises an oily wastewater treatment tank 1, an oily wastewater storage tank 2 and a wastewater collection tank 3 connected to the two sides of the oily wastewater treatment tank 1 respectively, the bottom end of the oily wastewater treatment tank 1 is connected to two bottom plates 6 hinged to the side plates 7 of the tank body, the bottom plates 6 can be flipped, an oil separation collection tank 4 is further arranged below the oily wastewater treatment tank 1, a water pump 9 and a water guide pipe 8 are arranged between the oily wastewater storage tank 2 and the oily wastewater treatment tank 1, between the oily wastewater treatment tank 1 and the wastewater collection tank 3, and between the oil separation collection tank 4 and the oily wastewater storage tank 2, a high-pressure water pump 11 and a high-pressure water guide pipe 10 are arranged between the wastewater collection tank 3 and the oily wastewater treatment tank 1, the oily wastewater enters the oily wastewater treatment tank 1 from the oily wastewater storage tank 2 for treatment, the treated wastewater enters the oily wastewater treatment tank 1 for flushing the inside of the oily wastewater treatment tank 1, then the bottom plates 6 are flipped to enter the oil separation collection tank 4, and the layered upper liquid is re-pumped into the oily wastewater storage tank 2 for waiting for treatment, the circulation of the wastewater between the components realizes the reuse of the wastewater.

[0027] A feed hole 5 is formed in the side wall of the oily wastewater treatment tank 1, a stirring assembly is arranged in the oily wastewater treatment tank 1, the stirring assembly comprises a stirring motor 12 arranged at the top end outside the oily wastewater treatment tank 1, an output shaft of the stirring motor 12 penetrates the oily wastewater treatment tank 1 and is fixedly connected to a stirring shaft 13, and a plurality of stirring blades 14 are uniformly arranged on the stirring shaft 13. The reagent needed for treating the oily wastewater is added from the feed hole 5, then the stirring assembly is used for stirring and mixing, so that the oily wastewater and the flocculating agent are fully contacted and mixed, and the oil is gathered into larger particle flocculation and sinks to the bottom plate 6.

[0028] A flip cover assembly is arranged between the bottom plate 6 and the side plate 7, the flip cover assembly is used for flipping the bottom plate 6, a first groove 15 is formed in each of the two side plates 7 of the oily wastewater treatment tank 1, a second groove 16 penetrating the bottom is formed in the front plate and the rear plate of the oily wastewater treatment tank 1, and the flip cover assembly is arranged in the first groove 15 and the second groove 16. The flip cover assembly comprises a flip cover motor 17, an output shaft of the flip cover motor 17 penetrates the side plate 7 and is connected to a transmission shaft 18 arranged in the first groove 15, the transmission shaft 18 is fixedly connected to a first connecting rod 19 and a second connecting rod 20 arranged in the second groove 16 respectively, the other ends of the first connecting rod 19 and the second connecting rod 20 are hingedly connected to one end of a third connecting rod 21 and a fourth connecting rod 22 respectively, and the other ends of the third connecting rod 21 and the fourth connecting rod 22 are hingedly connected to the two sides of the bottom plate 6. The first connecting rod 19, the second connecting rod 20, the third connecting rod 21 and the fourth connecting rod 22 form a connecting rod mechanism, which drives the bottom plate 6 to rotate around the hinged part of the side plate 7.

[0029] The inside of the oil-containing wastewater treatment box 1 is provided with a high-pressure flushing assembly, which comprises a water supply pipe 23 in communication with the high-pressure water guide pipe 10, and a plurality of angle-adjustable high-pressure nozzles 24 arranged below the water supply pipe 23.

[0030] Working principle: after the oil-containing wastewater to be treated is accumulated to a certain degree in the oil-containing wastewater storage tank 2, unified treatment is started, the oil-containing wastewater is pumped into the oil-containing wastewater treatment box 1 by the water pump 9, then the flocculating agent is added through the feed hole 5 at the top, the stirring assembly makes the oil-containing wastewater and the flocculating agent fully contact and mix, so that the oil is gathered into larger particle flocculation and sinks to the bottom plate 6, through the action of the flip mechanism, the two bottom plates 6 rotate, most of the flocculation directly falls into the oil separation collection tank 4, the treated wastewater is pumped into the wastewater collection tank 3 by the water pump 9, and the wastewater in the wastewater collection tank 3 is pumped into the water supply pipe 23 in the oil-containing wastewater treatment box 1 by the high-pressure water pump 11, by changing the angle of the high-pressure nozzles 24 below the water supply pipe 23, the flocculation deposited on the surface of the box body and the bottom plate 6 is washed into the oil separation collection tank 4 by the water with high pressure, after the washing is completed, the water above the oil separation collection tank 4 is pumped into the oil-containing wastewater storage tank 2 again, the cycle is completed, and the remaining lower sediment is removed.

[0031] Therefore, the oil-containing wastewater treatment device with the above structure solves the problems of difficult separation of oil-containing wastewater and poor separation effect caused by manual scooping of floating oil, improves the oil-water separation efficiency, and realizes the recycling of wastewater, thereby reducing the cost.

[0032] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model and not to limit them, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can still be modified or replaced, and these modifications or replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the utility model.

Claims

1. An oil-containing wastewater treatment device, characterized by: The oil-containing wastewater treatment box is connected with the oil-containing wastewater storage box and the wastewater collecting box through water pipes, and the oil-containing wastewater treatment box is internally provided with a stirring assembly, and the oil-containing wastewater treatment box is further provided with a feeding hole, and the two bottom plates of the oil-containing wastewater treatment box are hingedly connected with the two side plates of the oil-containing wastewater treatment box, and a flip assembly is arranged between the bottom plate and the side plate, and the oil-containing wastewater treatment box is provided with an oil separation collecting box below, and the oil separation collecting box is connected with the oil-containing wastewater storage box through a water pipe; the wastewater collecting box is connected with the rear side wall of the oil-containing wastewater treatment box through a high-pressure water guide pipe, and the oil-containing wastewater treatment box is internally provided with a high-pressure flushing assembly.

2. An oil-containing wastewater treatment device according to claim 1, characterized in that The stirring assembly comprises a stirring motor arranged on the top end of the oil-containing wastewater treatment box, an output shaft of the stirring motor penetrates the oil-containing wastewater treatment box and is fixedly connected with a stirring shaft, and a plurality of stirring blades are uniformly arranged on the stirring shaft.

3. An oil-containing wastewater treatment device according to claim 2, characterized in that First grooves are formed in the two side plates of the oil-containing wastewater treatment box, and second grooves penetrating the bottoms are formed in the front plate and the rear plate of the oil-containing wastewater treatment box, and the flip assembly is arranged in the first grooves and the second grooves.

4. An oil-containing wastewater treatment device according to claim 3, characterized in that: The flip assembly comprises a flip motor, an output shaft of the flip motor is connected with a transmission shaft arranged in the first groove through the side plate, the transmission shaft is fixedly connected with a first connecting rod and a second connecting rod arranged in the second groove, respectively, one end of the first connecting rod and the second connecting rod is hingedly connected with one end of a third connecting rod and a fourth connecting rod, respectively, and the other end of the third connecting rod and the fourth connecting rod is hingedly connected with the two sides of the bottom plate.

5. An oil-containing wastewater treatment device according to claim 4, characterized in that The high-pressure flushing assembly comprises a water supply pipe communicated with the high-pressure water guide pipe, and a plurality of angle-adjustable high-pressure nozzles are arranged below the water supply pipe.

6. An oil-containing wastewater treatment device according to claim 5, characterized in that A water pump is arranged between the oil-containing wastewater storage box and the oil-containing wastewater treatment box, between the oil-containing wastewater treatment box and the wastewater collecting box, and between the oil separation collecting box and the oil-containing wastewater storage box.

7. An oil-containing wastewater treatment device according to claim 6, characterized in that A high-pressure water pump is arranged between the wastewater collecting box and the oil-containing wastewater treatment box.

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