CN219058732U

CN219058732U - Chemical wastewater deoiling device

Info

Publication number: CN219058732U
Application number: CN202222127546.6U
Authority: CN
Inventors: 胡邹
Original assignee: Hangzhou Lin'an Xinyuan Environmental Protection Co ltd
Current assignee: Hangzhou Lin'an Xinyuan Environmental Protection Co ltd
Priority date: 2022-08-13
Filing date: 2022-08-13
Publication date: 2023-05-23
Anticipated expiration: 2032-08-13

Abstract

The utility model relates to the technical field of chemical wastewater treatment, in particular to a chemical wastewater degreasing device, which comprises a degreasing tank and a filter screen, wherein the filter screen is obliquely fixed in the degreasing tank, the right end of the degreasing tank is provided with a waste port positioned above the filter screen, the inner cover of the waste port is provided with a sealing cover, the right end of the sealing cover is fixedly provided with a stirring motor, the power end of the stirring motor is connected with a stirring shaft which rotates left to penetrate through the sealing cover and extends into the degreasing tank, and the upper end and the lower end of the stirring shaft are connected with a plurality of stirring blades; according to the utility model, the stirring blade is used for stirring the wastewater, so that the efficiency of mixing the flocculant, the degreasing agent and the wastewater is improved, grease in the wastewater can be flocculated out rapidly, the efficiency of separating grease from the wastewater is improved, the wastewater is filtered by the filter screen, and the flocculated grease is left on the filter screen, so that the effect of separating and discharging the wastewater and the grease is achieved.

Description

Chemical wastewater deoiling device

Technical Field

The utility model relates to the technical field of chemical wastewater treatment, in particular to a chemical wastewater deoiling device.

Background

The chemical wastewater is the wastewater such as process wastewater, cooling water, waste gas washing water, equipment and site flushing water and the like discharged in the chemical production, and the chemical wastewater is often oily, and the direct discharge of the oily wastewater can cause great damage to the environment, so that the chemical wastewater is required to be deoiled and discharged through a deoiling device, and normally, a deoiling agent and a flocculating agent are added into a deoiling tank to flocculate grease in the wastewater, and then the wastewater and the grease are separately discharged, so that the deoiling effect of the chemical wastewater is achieved;

at present, after oil in wastewater is flocculated by an oil removing agent and a flocculating agent, the wastewater is filtered and discharged through a filter screen, and flocculated oil is left on the filter screen, and because the flocculated oil is adhered to the filter screen, the condition that the flocculated oil is difficult to clean and discharge is caused, and the filter screen is easy to block, so that the subsequent filtering performance of the filter screen is affected.

Disclosure of Invention

The utility model provides a chemical wastewater deoiling device which is beneficial to conveniently discharging flocculated grease and prevents a filter screen from being blocked.

In order to solve the problems in the prior art, the utility model discloses a chemical wastewater oil removing device which comprises an oil removing tank and a filter screen, wherein the filter screen is obliquely fixed in the oil removing tank;

the right end of the oil removal box is provided with a waste port positioned above the filter screen, the inner cover of the waste port is provided with a sealing cover, the right end of the sealing cover is fixedly provided with a stirring motor, the power end of the stirring motor is connected with a stirring shaft which rotates left to penetrate through the sealing cover and extends into the oil removal box, and the upper end and the lower end of the stirring shaft are connected with a plurality of stirring blades;

a shielding component is arranged at the lower end of the filter screen;

the upper end of the filter screen is provided with a cleaning component.

Preferably, the upper end of the oil removal tank is communicated with a water inlet pipe, and the right lower end of the oil removal tank is communicated with a water drain pipe.

Preferably, the shielding assembly comprises a telescopic cylinder, a sealing plate and a sliding block, wherein the telescopic cylinder is fixed at the bottom end in the oil removal box, and the sealing plate is obliquely hinged to the left wall in the oil removal box and covers the lower end of the filter screen.

Preferably, the sliding block is slidably connected to the lower end of the sealing plate, and the upper end of the telescopic cylinder is rotatably connected with the sliding block.

Preferably, the cleaning assembly comprises a reciprocating motor, a screw rod, a sliding plate, a telescopic rod and a cleaning brush, wherein the reciprocating motor is fixed at the left upper end of the oil removing box, and the screw rod is connected with the power end of the reciprocating motor and penetrates through the oil removing box in a right rotating mode.

Preferably, the sliding plate is arranged in the oil removing tank and is in threaded sleeve connection with the periphery of the screw rod, the telescopic rod is fixed between the left wall in the oil removing tank and the left upper end of the sealing cover, the telescopic rod fixedly penetrates through the sliding plate, and the cleaning brush is connected to the lower end of the sliding plate and is in contact with the upper end face of the filter screen.

Compared with the prior art, the utility model has the beneficial effects that:

1. the waste water, the flocculating agent and the degreasing agent are placed in the degreasing tank, and then the waste water is stirred by the stirring blade, so that the efficiency of mixing the flocculating agent and the degreasing agent with the waste water is improved, grease in the waste water can be flocculated out rapidly, and the efficiency of separating grease from the waste water is improved;

2. the sealing plate does not shade the lower end of the filter screen, at the moment, the wastewater is filtered by the filter screen, and the flocculated grease is left on the filter screen, so that the effect of separating and discharging the wastewater and the grease is achieved;

3. through the cleaning brush to the filter screen upper end brush, do benefit to the convenient grease brush that flocculates on the filter screen and go out the oil removal tank, be convenient for clear up the filter screen simultaneously, prevent that the filter screen from being stopped up to guaranteed the follow-up performance of filter screen, puddler and stirring leaf also can shift out the oil removal tank moreover, consequently conveniently clear up the grease of adhesion on puddler and the stirring leaf.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a partial enlarged structure of the utility model;

FIG. 3 is a schematic view of the overall drainage structure of the present utility model;

FIG. 4 is a schematic view of the overall cleaning structure of the present utility model.

In fig. 1-4: the device comprises an oil removing tank 1, a filter screen 2, a sealing plate 3, a water inlet pipe 4, a reciprocating motor 5, a screw rod 6, a sliding plate 7, a telescopic rod 8, a cleaning brush 9, a sealing cover 10, a stirring motor 11, a stirring shaft 12, stirring blades 13, a telescopic cylinder 14, a sliding block 15, a water outlet pipe 16 and a waste port 17.

Detailed Description

Chemical wastewater deoiling device:

as shown in fig. 1 and 2, in this embodiment, the oil removing tank comprises an oil removing tank 1 and a filter screen 2, the filter screen 2 is fixed in the oil removing tank 1 in an inclined manner, a waste material port 17 positioned above the filter screen 2 is formed in the right end of the oil removing tank 1, a sealing cover 10 is arranged in the inner cover of the waste material port 17, a stirring motor 11 is fixed at the right end of the sealing cover 10, a stirring shaft 12 penetrating through the sealing cover 10 in a way of rotating left and extending into the oil removing tank 1 is connected to the power end of the stirring motor 11, a plurality of stirring blades 13 are connected to the upper end and the lower end of the stirring shaft 12, a water inlet pipe 4 is communicated to the upper end of the oil removing tank 1, a water outlet pipe 16 is communicated to the right end of the oil removing tank 1, and a sealing plate 3 is hinged to the left wall in the oil removing tank 1 in an inclined manner and covers the lower end of the filter screen 2;

firstly, chemical wastewater is introduced into the oil removal tank 1 through the water inlet pipe 4, the sealing plate 3 is covered on the premise of the lower end of the filter screen 2, so that the wastewater is prevented from being filtered and discharged by the filter screen 2 before being treated, meanwhile, a proper amount of oil removal agent and flocculating agent are added into the oil removal tank 1 through the water inlet pipe 4, and then the stirring motor 11 is started to drive the stirring shaft 12 and the stirring blades 13 to rotate, so that the wastewater, the oil removal agent and the flocculating agent are stirred and mixed through the stirring blades 13, the mixing efficiency of the oil removal agent and the flocculating agent with the wastewater is facilitated, grease in the wastewater can be flocculated out rapidly, and the efficiency of grease and wastewater separation is improved.

As shown in fig. 1 and 3, in this embodiment, a shielding assembly is disposed at the lower end of the filter screen 2, the shielding assembly includes a telescopic cylinder 14, a sealing plate 3 and a sliding block 15, the telescopic cylinder 14 is fixed at the bottom end in the degreasing tank 1, the sealing plate 3 is obliquely hinged to the left wall in the degreasing tank 1 and covers the lower end of the filter screen 2, the sliding block 15 is slidably connected to the lower end of the sealing plate 3, and the upper end of the telescopic cylinder 14 is rotatably connected with the sliding block 15;

then the telescopic cylinder 14 is started and contracted downwards, the telescopic cylinder 14 drives the sliding block 15 to slide along the lower end of the sealing plate 3, so that the sealing plate 3 is pulled to rotate clockwise until the sealing plate 3 is not covered on the lower end of the filter screen 2 any more, the filter screen 2 filters waste water to the inner bottom end of the oil removal box 1, flocculated grease is remained on the filter screen 2, and the waste water after oil removal is discharged through the drain pipe 16, so that the discharge of the waste water is more environment-friendly.

As shown in fig. 4, in this embodiment, the upper end of the filter screen 2 is provided with a cleaning assembly, the cleaning assembly includes a reciprocating motor 5, a screw rod 6, a sliding plate 7, a telescopic rod 8 and a cleaning brush 9, the reciprocating motor 5 is fixed at the upper left end of the oil removal box 1, the screw rod 6 is connected to the power end of the reciprocating motor 5 and penetrates into the oil removal box 1 in a right-hand rotation manner, the sliding plate 7 is arranged in the oil removal box 1 and is in threaded sleeve connection with the periphery of the screw rod 6, the telescopic rod 8 is fixed between the left wall in the oil removal box 1 and the upper left end of the sealing cover 10, the telescopic rod 8 penetrates through the sliding plate 7 in a fixed manner, and the cleaning brush 9 is connected to the lower end of the sliding plate 7 and contacts with the upper end surface of the filter screen 2;

then start reciprocating motor 5 and drive lead screw 6 and rotate, the initial position setting with cleaning brush 9 is in filter screen 2 upper end left side, when lead screw 6 rotates and drive slide plate 7 to move to the right, slide plate 7 can tensile telescopic link 8, slide plate 7 can drive cleaning brush 9 and sweep along the inclined plane of filter screen 2 this moment, telescopic link 8 can push sealed lid 10 to the right side simultaneously, thereby make sealed lid 10 quick open in waste gate 17 department, follow-up, cleaning brush 9 then sweeps out the grease case through waste gate 17 with the grease after the flocculation on filter screen 2, thereby the grease in the convenient clearance oil tank 1 is removed, be convenient for clean filter screen 2 simultaneously, prevent filter screen 2 from being stopped up, thereby guaranteed the subsequent performance of filter screen 2, and sealed lid 10 moves to the right side and can drive stirring axle 12 and stirring leaf 13 and shift out oil tank 1 together, consequently, the convenience is cleared up the grease of adhesion on stirring axle 12 and the stirring leaf 13.

In this embodiment, as shown in fig. 1 and 4, the reciprocating motor 5 is fixed at the upper left end of the oil removing tank 1, the screw rod 6 is connected to the power end of the reciprocating motor 5 and penetrates into the oil removing tank 1 in a right-hand rotation manner, the sliding plate 7 is arranged in the oil removing tank 1 and is in threaded socket connection with the periphery of the screw rod 6, the telescopic rod 8 is fixed between the upper left wall of the oil removing tank 1 and the upper left end of the sealing cover 10, the telescopic rod 8 penetrates through the sliding plate 7 in a fixed manner, and the cleaning brush 9 is connected to the lower end of the sliding plate 7 and contacts with the upper end surface of the filter screen 2;

and after the filter screen 2 is cleaned, the lead screw 6 is driven to rotate by the reciprocating motor 5, and the lead screw 6 drives the sliding plate 7 to move leftwards to reset, so that the telescopic rod 8 is contracted and the sealing plate 3 is pulled leftwards, the stirring shaft 12 and the stirring blades 13 are conveniently moved into the oil removing tank 1 again, the sealing cover 10 can be conveniently covered on the waste port 17, and the condition of water leakage of the waste port 17 is prevented.

Claims

1. The utility model provides a chemical wastewater deoiling device, includes except that oil tank (1) and filter screen (2), filter screen (2) are the slope form and are fixed in oil tank (1), its characterized in that:

the oil removing box is characterized in that a waste material port (17) positioned above the filter screen (2) is formed in the right end of the oil removing box (1), a sealing cover (10) is arranged in the inner cover of the waste material port (17), a stirring motor (11) is fixed at the right end of the sealing cover (10), a stirring shaft (12) which penetrates through the sealing cover (10) in a left rotating mode and extends into the oil removing box (1) is connected to the power end of the stirring motor (11), and a plurality of stirring blades (13) are connected to the upper end and the lower end of the stirring shaft (12);

a shielding component is arranged at the lower end of the filter screen (2);

the upper end of the filter screen (2) is provided with a cleaning component.

2. The chemical wastewater degreasing device according to claim 1, wherein: the upper end of the oil removal box (1) is communicated with a water inlet pipe (4), and the right lower end of the oil removal box (1) is communicated with a water outlet pipe (16).

3. The chemical wastewater degreasing device according to claim 1, wherein: the shielding assembly comprises a telescopic cylinder (14), a sealing plate (3) and a sliding block (15), wherein the telescopic cylinder (14) is fixed at the inner bottom end of the oil removing box (1), and the sealing plate (3) is obliquely hinged to the inner left wall of the oil removing box (1) and covers the lower end of the filter screen (2).

4. A chemical wastewater degreasing apparatus according to claim 3, wherein: the sliding block (15) is connected to the lower end of the sealing plate (3) in a sliding mode, and the upper end of the telescopic cylinder (14) is connected with the sliding block (15) in a rotating mode.

5. The chemical wastewater degreasing device according to claim 1, wherein: the cleaning assembly comprises a reciprocating motor (5), a screw rod (6), a sliding plate (7), a telescopic rod (8) and a cleaning brush (9), wherein the reciprocating motor (5) is fixed at the left upper end of the oil removing box (1), and the screw rod (6) is connected with the power end of the reciprocating motor (5) and penetrates into the oil removing box (1) in a right rotating mode.

6. The chemical wastewater degreasing device according to claim 5, wherein: the oil removal box is characterized in that the sliding plate (7) is arranged in the oil removal box (1) and is sleeved on the periphery of the screw rod (6) through threads, the telescopic rod (8) is fixed between the left wall in the oil removal box (1) and the left upper end of the sealing cover (10), the telescopic rod (8) fixedly penetrates through the sliding plate (7), and the cleaning brush (9) is connected to the lower end of the sliding plate (7) and is in contact with the upper end face of the filter screen (2).