Oily wastewater treatment device

Abstract

The utility model discloses an oily wastewater treatment device, which relates to the technical field of wastewater treatment, and comprises a treatment box, a water inlet pipe is arranged on one side of the treatment box, a rotating shaft is rotatably connected in the treatment box, the rotating shaft is fixedly connected with three connecting rods, the connecting rods are fixedly connected with a U-shaped frame, and the U-shaped frame is fixedly connected with the treatment box. The U-shaped frame is rotatably connected with a condensing box, the bottom of the condensing box is fixedly connected with a mounting box, the top of the condensing box is fixedly connected with a funnel, and an oil discharge pipe is arranged on the funnel. In the process that the condensing box automatically rotates around the rotating shaft under the action of gravity, the limiting mechanism and the oil discharge mechanism are matched to finish static settlement, wastewater condensation and oil liquid discharge, so that the problem that oily wastewater in an emulsion state is not thoroughly separated during condensation treatment is solved.

Description

TECHNICAL FIELD

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

[0002] In the production and processing of petrochemical industry, machining, food processing and catering industries, a large amount of oily wastewater will be produced, and the oil film on the surface of the wastewater will hinder the dissolution of oxygen in water, leading to oxygen deficiency in water body and destruction of aquatic ecological environment. In order to protect the ecological environment, enterprises have more stringent requirements for the treatment of oily wastewater.

[0003] Enterprises usually use gravity separation method to separate and treat oily wastewater. Under the action of gravity, oil droplets will float to the water surface by taking advantage of the density difference between oil and water, so as to realize the separation of oil and water. Subsequently, condensation treatment is carried out. Since the freezing point of water is higher than that of oil, water will freeze into ice in advance, and oil will float on the ice surface, realizing solid-liquid separation treatment.

[0004] In the existing oily wastewater condensation treatment device, when the oily wastewater is subjected to condensation treatment, the oily wastewater is continuously injected into the treatment tank, and the oil droplets and the wastewater are mixed with each other, so that the oily wastewater in the treatment tank is in a milky state. When the wastewater is condensed, the oil droplets will be wrapped, resulting in incomplete separation. Therefore, there is an urgent need for a new oily wastewater treatment device. UTILITY MODEL CONTENT

[0005] The main purpose of the utility model is to provide an oily wastewater treatment device, which can effectively solve the problem of incomplete separation of oily wastewater during condensation treatment in the background art.

[0006] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0007] An oily wastewater treatment device comprises a treatment tank, a water inlet pipe is arranged on one side of the treatment tank, a rotating shaft is rotatably connected in the treatment tank, a connecting rod is fixedly connected to the rotating shaft, three connecting rods are arranged, a U-shaped frame is fixedly connected to the connecting rod, a condensation tank is rotatably connected to the U-shaped frame, an installation box is fixedly connected to the bottom of the condensation tank, a funnel is fixedly connected to the top of the condensation tank, and a oil discharge pipe is arranged on the funnel.

[0008] Preferably, a fixed seat is fixedly connected to the water inlet pipe, a wheel shaft is rotatably connected to the fixed seat, a spiral spring is sleeved on the wheel shaft, a fixed rod is rotatably connected to the wheel shaft, and a limiting block is fixedly connected to the side of the condensation tank close to the fixed rod.

[0009] Preferably, the processing box is provided with a gear matched with the limiting block, the gear is provided with a servo motor, the mounting box is provided with a gravity ball, the gravity ball is fixedly connected with a mounting rod, and the condensing box is provided with a mounting hole in the bottom, and the mounting rod is slidably connected with the mounting hole.

[0010] Preferably, the water inlet pipe is fixedly connected with a water inlet valve, the water inlet valve is hingedly connected with a driving rod, and the driving rod is hingedly connected with the fixed rod.

[0011] Preferably, the oil discharge pipe is provided with a laser sensing valve, and the processing box is fixedly connected with a laser emitter matched with the laser sensing valve.

[0012] Compared with the prior art, the processing device has at least the following technical effects or advantages:

[0013] The water inlet pipe is used for injecting water into the condensing box, the condensing box rotates around the rotating shaft under the action of gravity, the oil-containing wastewater is gradually deposited in the rotating process, the wastewater is condensed by the condensing box when rotating to the bottom, the oil discharge pipe is opened by the laser sensing valve to discharge the oil, the automatic operation of the processing device is realized, the standing deposition, wastewater condensation and oil discharge are completed, the oil droplets are not separated from the wastewater completely, the working time is saved, and the working quality is improved.

[0014] The fixed rod limits the limiting block, the condensing box is kept stable when being close to the water inlet pipe, the water inlet valve is connected with the limiting mechanism through the driving rod, the fixed rod is turned downward when the condensing box rotates to the bottom after being filled with the wastewater, the limiting of the limiting block is released, the driving rod is driven to close the drain valve, the wastewater is prevented from spilling in the processing box to erode the internal structure, and the service life of the device is prolonged.

[0015] The gravity ball arranged in the mounting box keeps the condensing box balanced due to the counterweight at the bottom, the condensing box will not be turned over when rotating, the mounting rod is fixedly connected with the gravity ball, and the mounting rod is slidably connected with the mounting hole in the bottom of the condensing box, the position of the gravity ball is reversed when the device is used for pouring the condensed wastewater, the mounting rod is pressed into the condensing box, the condensed wastewater is pushed out, the cumbersome procedure of manually taking out the condensed wastewater is avoided, the time cost is saved, and the working efficiency is improved.

[0016] The above description is only a summary of the technical scheme of the processing device, in order to more clearly understand the technical means of the processing device, and the processing device can be implemented according to the content of the description, the preferred embodiments of the processing device are described in detail below with reference to the drawings. The specific implementation of the processing device is given in detail by the following embodiments and the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0018] Figure 1 It is an explosion structure schematic view of the present application;

[0019] Figure 2 It is a water inlet pipe structure schematic view of the present application;

[0020] Figure 3 It is a condensing box structure schematic view of the present application.

[0021] In the figure: 1, processing box; 11, rotating shaft; 2, water inlet pipe; 21, water inlet valve; 22, driving rod; 3, connecting rod; 31, U-shaped frame; 4, condensing box; 41, limiting block; 42, mounting hole; 5, mounting box; 51, gravity ball; 52, mounting rod; 6, funnel; 61, oil discharge pipe; 62, laser induction valve; 63, laser emitter; 7, fixed seat; 71, wheel shaft; 72, helical spring; 73, fixed rod; 8, gear; 81, servo motor. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-3 As shown in the drawings, the present application provides a technical scheme of oily wastewater treatment device to solve the problem of incomplete separation of oily wastewater during condensation treatment in the background art.

[0024] As Figure 1As shown, an oil-containing wastewater treatment device, including a treatment box 1, one side of the treatment box 1 is provided with a water inlet pipe 2, the treatment box 1 is rotatably connected with a rotating shaft 11, the rotating shaft 11 is fixedly connected with a connecting rod 3, the connecting rod 3 is provided with three, three connecting rods 3 are connected with a condensation module, an oil discharge module and a pouring module respectively, three modules realize automatic rotation under the condition that their own gravity is different, the connecting rod 3 is fixedly connected with a U-shaped frame 31, the U-shaped frame 31 is rotatably connected with a condensation box 4, the condensation box 4 bottom is fixedly connected with a mounting box 5, the condensation box 4 top is fixedly connected with a funnel 6, the funnel 6 makes the oil-containing wastewater get buffering when entering the condensation box 4 through the water inlet pipe 2, so that the oil-containing wastewater is quickly precipitated, the funnel 6 is provided with an oil discharge pipe 61, the oil discharge pipe 61 is provided with a laser sensing valve 62, the treatment box 1 is fixedly connected with a laser emitter 63 matched with the laser sensing valve 62, when the wastewater in the condensation module is condensed, the gravity makes the condensation box 4 rotate to the bottom of the treatment box 1, at this time the laser sensing valve 62 senses the laser emitted by the laser emitter 63 and opens the oil discharge pipe 61, discharges the oil, completes the oil-water separation, realizes the automatic operation of the treatment device, completes the standing precipitation, wastewater condensation and oil discharge, avoids the oil and wastewater separation not completely, saves the working time and improves the working quality.

[0025] As shown in the figure, Figure 2 The water inlet pipe 2 is fixedly connected with a fixed seat 7, the fixed seat 7 is rotatably connected with an axle 71, the axle 71 is sleeved with a spiral spring 72, the axle 71 is rotatably connected with a fixed rod 73, the condensation box 4 is fixedly connected with a limiting block 41 on the side close to the fixed rod 73, when the condensation box 4 is filled with oil-containing wastewater, the torsion force of the spiral spring 72 on the fixed rod 73 is just insufficient to support the weight of the condensation module, the condensation module rotates to the bottom, and becomes an oil discharge module, the water inlet pipe 2 is fixedly connected with a water inlet valve 21, the water inlet valve 21 is hingedly connected with a driving rod 22, the driving rod 22 is hinged with the fixed rod 73, when the fixed rod 73 is turned down, the driving rod 22 is displaced, the water inlet valve 21 is closed, to prevent the oil-containing wastewater from spilling in the treatment box when the condensation module rotates, to erode the internal structure and prolong the service life of the device.

[0026] As shown in the figure, Figure 1 , 3As shown, the processing box 1 is provided with a gear 8 matched with the limiting block 41, the gear 8 is provided with a servo motor 81, when the servo motor 81 senses that the limiting block 41 is clamped into the gear 8, the gear 8 starts to rotate, the installation box 5 is provided with a gravity ball 51, the gravity ball 51 is fixedly connected with an installation rod 52, the condensing tank 4 is provided with an installation hole 42 at the bottom, the installation rod 52 is slidably connected with the installation hole 42, after the oil is discharged, only the condensed wastewater is left in the condensing tank 4, the oil discharging module rotates to the top and forms a pouring module with the gear 8, the gear 8 moves the limiting block 41, so that the condensing tank 4 is overturned, at this time, the gravity ball 51 pushes the installation rod 52 to the inside of the condensing tank 4, and the condensed wastewater is pushed out, thereby avoiding the cumbersome procedure of manually taking out the condensed wastewater, saving the time cost and improving the work efficiency.

[0027] The working principle of the oil-containing wastewater treatment device is as follows:

[0028] The processing box 1 is provided with a water inlet pipe 2 on one side, the fixed rod 73 limits the limiting block 41, the water inlet pipe 2 injects the oil-containing wastewater into the condensing tank 4, the funnel 6 buffers the flow rate of the oil-containing wastewater, when the condensing tank 4 is filled with the oil-containing wastewater, the torsion force of the elastic force of the spiral spring 72 on the fixed rod 73 is just insufficient to support the weight of the condensing tank 4, the condensing tank 4 rotates to the bottom, when the wastewater in the condensing tank 4 is condensed, the gravity makes the condensing tank 4 rotate to the bottom of the processing box 1, at this time, the laser sensing valve 62 senses the laser emitted by the laser emitter 63 and opens the oil discharge pipe 61 to discharge the oil, the condensing tank 4 rotates to the top, the servo motor 81 senses that the limiting block 41 is clamped into the gear 8 and drives the gear 8 to rotate, the limiting block 41 drives the condensing tank 4 to overturn, at this time, the gravity ball 51 pushes the installation rod 52 to the inside of the condensing tank 4, and the condensed wastewater is pushed out, thereby avoiding the cumbersome procedure of manually taking out the condensed wastewater and solving the problem that the oil-containing wastewater is not completely separated during the condensation treatment.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An oily wastewater treatment device, comprising a treatment tank (1), characterized in that: A water inlet pipe (2) is provided on one side of the treatment box (1). A rotating shaft (11) is rotatably connected inside the treatment box (1). A connecting rod (3) is fixedly connected to the rotating shaft (11). There are three connecting rods (3). A U-shaped frame (31) is fixedly connected to the connecting rod (3). A condenser box (4) is rotatably connected to the U-shaped frame (31). An installation box (5) is fixedly connected to the bottom of the condenser box (4). A funnel (6) is fixedly connected to the top of the condenser box (4). An oil drain pipe (61) is provided on the funnel (6).

2. The oily wastewater treatment device according to claim 1, characterized in that: A fixed seat (7) is fixedly connected to the water inlet pipe (2), and a wheel axle (71) is rotatably connected to the fixed seat (7). A helical spring (72) is sleeved on the wheel axle (71), and a fixed rod (73) is rotatably connected to the wheel axle (71). A limit block (41) is fixedly connected to the side of the condenser box (4) near the fixed rod (73).

3. The oily wastewater treatment device according to claim 1, characterized in that: The processing box (1) is equipped with a gear (8), which is matched with the limiting block (41). A servo motor (81) is installed on the gear (8). A gravity ball (51) is installed in the mounting box (5). The gravity ball (51) is fixedly connected to the mounting rod (52). The bottom of the condensation box (4) is provided with a mounting hole (42). The mounting rod (52) is slidably connected to the mounting hole (42).

4. The oily wastewater treatment device according to claim 1, characterized in that: A water inlet valve (21) is fixedly connected to the water inlet pipe (2), and a drive rod (22) is hinged to the water inlet valve (21). The drive rod (22) is hinged to the fixed rod (73).

5. The oily wastewater treatment device according to claim 1, characterized in that: A laser sensing valve (62) is installed on the oil drain pipe (61), and a laser emitter (63) that matches the laser sensing valve (62) is fixedly connected to the processing box (1).

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