CN113087071A

CN113087071A - Industrial wastewater treatment device

Info

Publication number: CN113087071A
Application number: CN202110205437.9A
Authority: CN
Inventors: 杨先林
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-07-09

Abstract

The invention relates to the technical field of wastewater treatment, and discloses an industrial wastewater treatment device which comprises a sedimentation tank, wherein one side of the sedimentation tank is fixedly connected with a wastewater inlet, the other side of the sedimentation tank is fixedly connected with a wastewater discharge port, a dissolved air pump is fixedly arranged below the wastewater discharge port, and one end of the dissolved air pump is fixedly connected with a dissolved air nozzle and is positioned at the bottom of the sedimentation tank. According to the invention, dissolved air generated by the dissolved air pump enters the sedimentation tank to enable suspended matters and oil water to rise, the motor drives the chassis to rotate to drive the double-tooth-direction chain belt to enable the cross rod to drive the scraper plate to rotate, the rotary cutter is enabled to cut the rising dissolved air to be small, the chassis drives the rotary arm to rotate to enable the swing rod to drive the slide rod to move up and down in the sliding groove, the slide rod drives the filter cloth to generate waves, oil water is floated up more quickly, the suspended matters are retained at the lower part and scraped into the residue collecting groove by the scraper plate, and the problem that the suspended matters, the oil water and the like can not be floated up together due to the.

Description

Industrial wastewater treatment device

Technical Field

The invention relates to the technical field of wastewater treatment, in particular to an industrial wastewater treatment device.

Background

The industrial wastewater treatment device is equipment for purifying wastewater generated in industrial production, general industrial wastewater contains oil, suspended matters, heavy metals and other pollutants, the direct discharge can pollute the environment, the heavy metals are precipitated by a natural sedimentation method, dissolved gas is injected to float the oil, and different pollutants can be collected in a centralized manner by utilizing different layers.

The existing industrial wastewater treatment device still has some problems: firstly, dissolved air is generated by a dissolved air pump and is injected into a sedimentation tank, but the dissolved air pump generates larger dissolved air which is discharged through a pipeline, larger bubbles are easier to fuse and break with each other, oil is not only buoyant, but also the small-particle heavy metal and suspended matters are buoyant, so that pollutants collected in layers are mixed, the pollutants cannot be treated in a corresponding and centralized manner, construction steps are increased, and the efficiency is reduced; and secondly, the oil has hydrophilicity and hydrophobicity, the oil water floats upwards due to dissolved gas, and the hydrophilic oil and the wastewater are mixed and float upwards to be collected, so that a large amount of wastewater still exists in the collected oil pollutants.

Disclosure of Invention

Aiming at the defects of the existing industrial wastewater treatment device in the background technology in the using process, the invention provides the industrial wastewater treatment device which has the advantages of completely collecting pollutants in a layered manner and completely separating oil from water, and solves the technical problems in the background technology.

The invention provides the following technical scheme: the utility model provides an industrial wastewater treatment device, includes the sedimentation tank, the waste water mouth is advanced to one side fixedly connected with of sedimentation tank, the opposite side fixedly connected with of sedimentation tank arranges the waste water mouth, the below fixed mounting who discharges the waste water mouth has dissolved air pump, dissolved air pump's one end fixedly connected with dissolves the gas shower nozzle and is located the bottom of sedimentation tank, the top movable mounting of sedimentation tank has the layering to scrape gets the device, the both sides movable mounting who gets the device is scraped to the layering has the chassis, the back fixedly connected with motor on chassis, swing joint has the two tooth to the chain belt between the chassis, the two tooth accompanies the horizontal pole to the middle of the chain belt, the outside swing joint of horizontal pole has the scum board, the bottom movable mounting of scum board has the rotary cutter.

Preferably, the inner side of the chassis is fixedly connected with a disc, the outer side of the disc is fixedly connected with a rotating arm, one end of the rotating arm is movably connected with a swing rod, the other end of the swing rod is movably connected with a slide rod, a clamping block is fixedly mounted on the inner side of the chassis, a sliding groove is formed in the middle of the clamping block, a clamping clip is arranged on the outer side of the slide rod in a specified mode and slides up and down in the sliding groove, and a filter cloth is clamped on one side of the clamping clip.

Preferably, the layering is scraped and is got device one side fixed mounting has oil water separator, one side fixedly connected with oil feed mouth of a river of oil water separator just connects in the top on sedimentation tank right side, the right side fixedly connected with shell at the oil feed mouth of a river, the right side swing joint of shell has the bull stick, the oil drain port has been seted up at the center of bull stick, the central movable mounting of shell has the oil extraction pipe, the oil water cavity has been seted up between shell and the oil extraction pipe, the discharge hole has been seted up on the outer wall of oil extraction pipe, the left side fixedly connected with base of shell, one side fixedly connected with outlet of base.

Preferably, the oil-water separation device is installed to be inclined to a certain degree, the horizontal height of the base is larger than that of the rotating rod, and the oil inlet is used for obliquely guiding oil and water into the oil-water cavity along the rotating direction of the rotating rod.

The invention has the following beneficial effects:

1. according to the invention, dissolved air generated by the dissolved air pump enters the sedimentation tank to enable suspended matters and oil water to rise, the motor drives the chassis to rotate to drive the double-tooth-direction chain belt to enable the cross rod to drive the scraper plate to rotate, the rotary cutter is enabled to cut the rising dissolved air to be small, the chassis drives the rotary arm to rotate to enable the swing rod to drive the slide rod to move up and down in the sliding groove, the slide rod drives the filter cloth to generate waves, oil water is floated up more quickly, the suspended matters are retained at the lower part and scraped into the residue collecting groove by the scraper plate, and the problem that the suspended matters, the oil water and the like can not be floated up together due to the.

2. According to the invention, oil and water are introduced into the oil-water cavity through the oil inlet, the rotation of the rotating rod enables the oil and water to have centrifugal force, heavy phase water is thrown to the inner wall of the shell and is discharged from the water outlet, light phase oil is extruded into the oil discharge pipe by water, and the opening of the oil discharge port is inclined downwards, so that the oil is discharged from the oil discharge port, the oil-water separation is realized, and the problem of incomplete oil-water separation by means of dissolved air is solved.

Drawings

FIG. 1 is a schematic view of the whole structure of a wastewater treatment apparatus according to the present invention;

FIG. 2 is an enlarged view of the layered scraping apparatus according to the present invention;

FIG. 3 is a schematic top view of the wastewater treatment apparatus according to the present invention;

FIG. 4 is a schematic sectional view of the oil-water separator according to the present invention.

In the figure: 1. a sedimentation tank; 2. a waste water inlet; 3. a waste water discharge port; 4. a dissolved air pump; 5. a dissolved air nozzle; 6. a motor; 7. a layered scraping device; 70. a chassis; 71. a double axial chain belt; 72. a cross bar; 720. a slag scraping plate; 721. rotating a cutter; 73. a disc; 74. a rotating arm; 75. a swing rod; 750. a slide bar; 76. a clamping block; 760. a chute; 77. tightly clamping; 78. filtering cloth; 79. a slag accumulation groove; 8. an oil-water separation device; 80. a housing; 81. an oil inlet; 82. a rotating rod; 83. an oil discharge port; 84. an oil-water chamber; 85. an oil discharge pipe; 86. an orifice; 87. a base; 88. and a water outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an industrial wastewater treatment device comprises a sedimentation tank 1, one side of the sedimentation tank 1 is fixedly connected with a wastewater inlet 2, the other side of the sedimentation tank 1 is fixedly connected with a wastewater outlet 3, a dissolved air pump 4 is fixedly installed below the wastewater outlet 3, one end of the dissolved air pump 4 is fixedly connected with a dissolved air nozzle 5 and is positioned at the bottom of the sedimentation tank 1, a layered scraping device 7 is movably installed above the sedimentation tank 1, two sides of the layered scraping device 7 are movably installed with a chassis 70, the back of the chassis 70 is fixedly connected with a motor 6, a bi-tooth chain belt 71 is movably connected between the chassis 70, a cross bar 72 is sandwiched between the bi-tooth chain belt 71, a scum board 720 is movably connected at the outer side of the cross bar 72, a rotary cutter 721 is movably installed at the bottom of the scum board 720, dissolved air is generated by the dissolved air pump 4 to float suspended matters, oil water and the like, the motor 6 drives the chassis 70 to rotate, and then make horizontal pole 72 drive rotary cutter 721 cut the dissolved gas of come-up, make the dissolved gas volume reduce, realized that the buoyancy of tiny particle heavy metal no big dissolved gas will descend, the suspended solid will stop at no big dissolved gas buoyancy, the scum board 720 is rotatory constantly scrapes the dross to in the scum groove 79, solved the dissolved gas that dissolved gas pump 4 produced great make the suspended solid, tiny particle heavy metal etc. rise along with the profit together, can't correspond the processing, increase the problem of construction procedure.

Wherein, the inboard fixedly connected with disc 73 of chassis 70, the outside fixedly connected with swinging boom 74 of disc 73, the one end swing joint of swinging boom 74 has the pendulum rod 75, the other end swing joint of pendulum rod 75 has slide bar 750, the inboard fixed mounting of chassis 70 has fixture block 76, spout 760 has been seted up in the middle of fixture block 76, the outside regulation centre gripping of slide bar 750 has collet 77 and slides from top to bottom in spout 760, one side clamp of collet 77 presss from both sides tightly has filter cloth 78, make the rotatory pendulum rod 75 that drives of swinging boom 74 through the rotation of chassis 70 slide bar 750 up-and-down in spout 760, make collet 77 centre gripping filter cloth 78 form the corrugate, collect the top that gets into filter cloth 78 at the crest outlet faster, keep off the suspension in the below of filter cloth 78 is scraped in long-pending sediment groove 79 by scum board 720, improve the practicality of device.

Wherein, an oil-water separating device 8 is fixedly arranged on one side of the layered scraping device 7, one side of the oil-water separating device 8 is fixedly connected with an oil inlet 81 and is connected with the top on the right side of the sedimentation tank 1, the right side of the oil inlet 81 is fixedly connected with a shell 80, the right side of the shell 80 is movably connected with a rotating rod 82, an oil discharge port 83 is arranged in the center of the rotating rod 82, an oil discharge pipe 85 is movably arranged in the center of the shell 80, an oil-water cavity 84 is arranged between the shell 80 and the oil discharge pipe 85, a flow hole 86 is arranged on the outer wall of the oil discharge pipe 85, a base 87 is fixedly connected with the left side of the shell 80, a water discharge port 88 is fixedly connected with one side of the base 87, oil and water are fed through the oil inlet 81, the rotating rod 82 rotates to generate centrifugal force, heavy phase water is thrown to the inner wall of the shell 80, the problem of only relying on the gas-dissolving to separate the oil and water is not thorough is solved.

The oil-water separation device 8 is installed to be inclined to a certain degree, the horizontal height of the base 87 is larger than that of the rotating rod 82, oil water is obliquely guided into the oil-water cavity 84 along the rotating direction of the rotating rod 82 through the oil water inlet 81, the oil water is obliquely guided into the oil-water cavity 84 along the rotating direction of the rotating rod 82 through the oil water inlet 81, oil water is separated by centrifugal force with rapider speed, the horizontal height of the base 87 is larger than that of the rotating rod 82, the oil in the oil discharge pipe 85 is discharged downwards from the oil discharge port 83 under the action of gravity, the rotating centrifugal time of the oil water in the oil-water cavity 84 is prolonged, and the practicability of the device.

The using method of the invention has the following working principle:

dissolved air generated by the dissolved air pump 4 enters the sedimentation tank 1, the motor 6 drives the chassis 70 to rotate to drive the double-tooth-direction chain belt 71 to rotate, the cross rod 72 drives the rotary cutter 721 to cut the dissolved air to be reduced, small-particle heavy metal sinks due to reduction of buoyancy, the disc 73 drives the rotary arm 74 to rotate to drive the swing rod 75 to drive the slide rod 750 to move up and down in the sliding chute 760, the clamp 77 clamps the filter cloth 78 to clamp differential waviness, oil and water are gathered to wave crests to float, suspended matters are retained to be scraped into the slag groove 79 by the slag scraping plate 720, the oil and water above the filter cloth 78 are scraped into the oil inlet 81 by the slag scraping plate 720, the rotary rod 82 rotates to enable the oil and water to have centrifugal force, heavy phase water is thrown to the inner wall of the shell 80 to be discharged from the water outlet 88, and light phase oil.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an industrial wastewater treatment device, includes sedimentation tank (1), waste water inlet (2) are connected to one side fixedly connected with of sedimentation tank (1), waste water outlet (3) are arranged to the opposite side fixedly connected with of sedimentation tank (1), the below fixed mounting who arranges waste water outlet (3) has dissolved air pump (4), the one end fixedly connected with dissolved air shower nozzle (5) of dissolved air pump (4) just are located the bottom of sedimentation tank (1), its characterized in that: the top movable mounting of sedimentation tank (1) has the layering to scrape gets device (7), the both sides movable mounting that the device (7) were got to the layering is scraped has chassis (70), back fixedly connected with motor (6) on chassis (70), swing joint has bi-dentate chain belt (71) between chassis (70), it accompanies horizontal pole (72) to accompany in the middle of chain belt (71) bi-dentate, the outside swing joint of horizontal pole (72) has scum board (720), the bottom movable mounting of scum board (720) has rotary knife (721).

2. The industrial wastewater treatment plant according to claim 1, characterized in that: the utility model discloses a filter press for the cigarette, including chassis (70), the inboard fixedly connected with disc (73) of chassis (70), the outside fixedly connected with swinging boom (74) of disc (73), the one end swing joint of swinging boom (74) has pendulum rod (75), the other end swing joint of pendulum rod (75) has slide bar (750), the inboard fixed mounting of chassis (70) has fixture block (76), spout (760) have been seted up to the centre of fixture block (76), the outside regulation centre gripping of slide bar (750) has collet (77) and slides from top to bottom in spout (760), one side clamp of collet (77) presss from both sides tightly has filter cloth (78).

3. The industrial wastewater treatment plant according to claim 1, characterized in that: device (7) one side fixed mounting is scraped in layering has oil water separator (8), one side fixedly connected with oil feed mouth (81) of oil water separator (8) just connects in the top on sedimentation tank (1) right side, the right side fixedly connected with shell (80) of oil feed mouth (81), the right side swing joint of shell (80) has bull stick (82), oil drain port (83) have been seted up at the center of bull stick (82), the center movable mounting of shell (80) has oil extraction pipe (85), oil water chamber (84) have been seted up between shell (80) and oil extraction pipe (85), discharge hole (86) have been seted up on the outer wall of oil extraction pipe (85), left side fixedly connected with base (87) of shell (80), one side fixedly connected with outlet (88) of base (87).

4. An apparatus for treating industrial wastewater according to claim 3, characterized in that: the oil-water separation device (8) is installed to be inclined to a certain degree, the horizontal height of the base (87) is larger than that of the rotating rod (82), and the oil water inlet (81) obliquely guides oil water into the oil-water cavity (84) along the rotating direction of the rotating rod (82).