CN215102568U

CN215102568U - Wastewater treatment equipment

Info

Publication number: CN215102568U
Application number: CN202120338426.3U
Authority: CN
Inventors: 仲冬梅
Original assignee: Shanghai Denghang Electromechanical Equipment Co ltd
Current assignee: Shanghai Denghang Electromechanical Equipment Co ltd
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-12-10
Anticipated expiration: 2031-02-06

Abstract

The utility model discloses a wastewater treatment device, which comprises a filtering unit, the filtering unit comprises a barrel body, a water inlet and a water outlet are arranged on the barrel body, a rotating shaft is arranged in the barrel body along the central axis direction, one end of the rotating shaft is connected with a driving motor, the rotating shaft is symmetrically provided with a plurality of vertically arranged filter elements along the outer circumferential direction, the filter elements separate the water inlet and the water outlet on the barrel body, a high-pressure water rotating arm is arranged on the upper part of the rotating shaft, a high-pressure water channel is formed inside the high-pressure water rotating arm, the bottom of the high-pressure water rotating arm is provided with a high-pressure water spray head which is positioned close to the outer side of the filter element, a sewage discharging rotating arm is arranged on the lower part of the rotating shaft, a sewage discharging channel is arranged inside the sewage discharging rotating shaft, under the driving of the rotating shaft, the open end of the top of the sewage discharging rotating arm rotates in sequence to be in butt joint with the water inlet end of the bottom of each filter element, the outlet end of the bottom of the sewage discharging rotating arm is connected with a sewage discharging pipe, a plurality of first ultrasonic vibrators are uniformly arranged on the inner side wall of the cylinder in a surrounding mode.

Description

Wastewater treatment equipment

Technical Field

The utility model relates to a water treatment facilities technical field of environmental protection trade, concretely relates to waste water treatment equipment.

Background

The structure of the existing ballast wastewater treatment equipment is shown in fig. 1 and fig. 2, and comprises a filtering unit 1 'and an acousto-optic inactivation unit 13', wherein the filtering unit 1 'comprises a filtering container 2' and a high-pressure backwashing pump 6', the filtering container 2' is provided with a water inlet 4 'and a water outlet 5', a cylindrical filter screen 7 'is arranged in the filtering container 2', a rotatable sewage suction pipe 8 'is arranged in the filter screen 7', a rotatable high-pressure backwashing rack 10 'is arranged on the outer side of the filter screen 7', and a cleaning motor 3 'for driving the sewage suction pipe 8' and the high-pressure backwashing rack 10 'to rotate is arranged on the filtering container 2'; the sewage suction pipe 8 'is fixed with at least one sewage suction nozzle 9' communicated with the pipe cavity of the sewage suction pipe, the high-pressure backwashing rack 10 'is fixed with at least one high-pressure backwashing nozzle 11', each sewage suction nozzle 9 'corresponds to each high-pressure backwashing nozzle 11' one by one and can move synchronously inside and outside the filter screen 7', a sewage discharge cavity directly communicated with the pipe cavity of the sewage suction pipe 8' is arranged in the filter container 2', and a sewage discharge port 12' is formed in the sewage discharge cavity.

However, the existing ballast wastewater treatment equipment has the following defects when in use: (1) the aperture of a high-pressure backwashing nozzle in the filtering unit is only 2-3 mm, and the high-pressure backwashing nozzle is easy to scale and block after being used in wastewater for a long time and is also easy to block by small-particle impurities, so that the backwashing effect is influenced; (2) the aperture of a dirt suction nozzle in the filtering unit is 8-10 mm, and the dirt suction nozzle is easily blocked by large-particle impurities, so that the sewage discharge flow is influenced, and finally, the filtering unit is blocked, so that the inactivation effect of a subsequent acousto-optic inactivation unit is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the above-mentioned background art, the utility model provides a waste water treatment equipment, it adopts the supersound in coordination with the filter core among the high-pressure back flush technique washing filter unit, has solved waste water treatment equipment and has appeared blockking up easily and the big problem of loss of pressure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a wastewater treatment device, which comprises a filtering unit, wherein the filtering unit comprises a barrel body, a water inlet and a water outlet are arranged on the barrel body, a rotating shaft, a high-pressure water rotating arm, a pollution discharge rotating arm, a plurality of filter elements and a first ultrasonic vibrator are arranged in the barrel body, the rotating shaft is arranged in the barrel body along the direction of a central axis, one end of the rotating shaft is connected with a driving motor, the rotating shaft is symmetrically provided with a plurality of vertically arranged filter elements along the outside circumferential direction, the filter elements separate the water inlet and the water outlet on the barrel body, the high-pressure water rotating arm is arranged on the upper part of the rotating shaft, a high-pressure water channel is formed in the high-pressure water rotating arm, the bottom of the high-pressure water rotating arm is provided with a high-pressure water spray head communicated with the high-pressure water channel, the high-pressure water spray head is positioned close to the outside of the filter elements, the rotary shaft lower part is installed the blowdown swinging boom, the inside blowdown passageway of having seted up of blowdown swinging boom under the drive of rotary shaft, the open end at blowdown swinging boom top is rotatory in proper order to with each the end butt joint of intaking of filter core bottom, the exit end of blowdown swinging boom bottom rotates and is connected with the blow off pipe, evenly encircle on the barrel inside wall and install a plurality ofly first ultrasonic vibrator.

The improved structure is characterized in that an inlet-outlet pressure difference switch is mounted on the cylinder body. The pressure difference value of the water inlet and the water outlet is detected in real time through the inlet-outlet pressure difference switch, when the pressure difference value between the water inlet and the water outlet is larger than a preset value, the filter element in the barrel is indicated to be blocked seriously, and the filter element in the barrel can be cleaned at the moment.

The improved structure is characterized in that a backwashing water inlet is formed in the side wall of the barrel, and a backwashing water outlet is formed in the bottom of the barrel. First ultrasonic vibrator starts the operation, shakes the washing to the filter core, and stifled impurity inside the filter core is shaken garrulously by first ultrasonic vibrator easily, then washes through the high-pressure rivers of backwash water entrance, and the filter core just can resume original flux very fast.

The improved structure is characterized in that the upper part and the lower part of the filter element are respectively fixed in the cylinder body through a support plate, and the top of the filter element is hermetically connected with a top cover. Through setting up, waste water enters into inside the barrel by the water inlet to enter by the end of intaking of filter core bottom, after filtering through the filter core side, discharge by the delivery port through gathering.

The water outlet of the cylinder is communicated with the water inlet end of the acousto-optic inactivation unit through a pipeline, the acousto-optic inactivation unit comprises an inactivation container body, a plurality of ultraviolet lamp tubes arranged in parallel and a plurality of second ultrasonic vibrators arranged in parallel are installed in the inactivation container body, the ultraviolet lamp tubes are perpendicular to the water flow direction in the inactivation container body, and the second ultrasonic vibrators are perpendicular to the ultraviolet lamp tubes. The ultraviolet lamp tube is preferably a medium-pressure ultraviolet lamp, the wavelength of effective radiation light wave of the ultraviolet lamp tube is 220-280nm, and the ultraviolet lamp tube has wider and more reliable spectrum than the low-pressure ultraviolet lamp. The light wave emitted by the ultraviolet lamp tube destroys nucleic acid (RAN or DNA) of microorganisms, thoroughly kills the microorganisms such as bacteria, viruses, algae and the like in the water, thereby achieving the purpose of inactivating the wastewater; meanwhile, the second ultrasonic vibrator and the ultraviolet lamp tube have the function of opposite radiation in the radial direction, so that the vibration wave sound field and the sterilizing lamp light field are coupled in the radial direction, and the radial coupled radiation field is coupled with a water flow field transversely entering the inactivation container body, so that three fields of the sound field, the light field and the flow field are efficiently coupled, and the water body has stronger radial cavitation, mixing and cracking functions, so that water flow, microorganisms and impurities in the water flow can be fully mixed and cracked in the inactivation container body, and plankton can be hidden in the inactivation container body under the radiation function of high-intensity ultraviolet sterilization and finally completely killed, and the quality of effluent water is ensured to be stable; the ultraviolet lamp tube is started to work at an instant temperature of hundreds to thousands of degrees, the wastewater contains a certain amount of calcium and magnesium ions, hard scale is easily formed on the surface of the ultraviolet lamp tube under the action of high temperature, a soft rubber ring on a mechanical cleaning disc can not be cleaned generally, and a second ultrasonic vibrator which is perpendicular to the ultraviolet lamp tube can generate stronger cavitation effect, activation effect, shearing effect and simulation effect, so that the physical form and chemical property of scale substances in fluid are changed in a series, and the scale substances are dispersed, crushed, loosened and loosened without being easily attached to the tube wall to form scale, thereby achieving the purpose of preventing and removing scale on the ultraviolet lamp tube.

The further improvement lies in that the inactivation vessel main part adopts horizontal cuboid structure, the top is equipped with wave type guide plate in the inactivation vessel main part. Through setting up, deactivation container main part is inside can not form the short flow region, and the heat dissipation is fast, has solved the frequent problem that produces high temperature and reports to the police of reputation inactivation unit.

In a further improvement, the second ultrasonic vibrators are symmetrically arranged on the side walls on two opposite sides in the inactivation container body. The second ultrasonic vibrators are arranged on two symmetrical sides in the inactivation container body and are perpendicular to the ultraviolet lamp tubes, radial radiation of the ultraviolet lamp tubes can be emitted oppositely, vibration waves can be guaranteed to clean dirt on the surfaces of the ultraviolet lamp tubes in an all-dimensional online mode, meanwhile, under the cleaning effect of the high-frequency second ultrasonic vibrators, scaling of the inner wall of the inactivation container body is not prone to occurring, the inner wall can be continuously kept to have high mirror finish, and accordingly reflectivity and utilization rate of ultraviolet light are improved.

The further improvement is that the inner wall of the inactivation container main body is uniformly coated with a nano titanium dioxide coating. Under the catalytic action of titanium dioxide, the strong radiation energy of the ultraviolet lamp tube can enable a certain amount of hydroxyl radicals to be generated in water, and the hydroxyl radicals have strong oxidizability and can degrade pollutants such as COD (chemical oxygen demand), TOC (total organic carbon) and the like which are difficult to decompose in the water.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model adopts the ultrasonic and high pressure back washing technology to clean the filter element inside the filtering unit, thus solving the problems of blockage and large pressure loss of the existing wastewater treatment equipment;

(2) the acousto-optic inactivation unit is designed in a horizontal cuboid shape, and the wave-shaped guide plate is arranged at the top of the acousto-optic inactivation unit, so that a short-current area cannot be formed, the heat dissipation is fast, and the problem that the acousto-optic inactivation unit frequently generates high-temperature alarm is solved;

(3) by adopting a nano titanium dioxide coating technology, the capability of generating advanced oxidant hydroxyl free radicals by the acousto-optic inactivation unit is improved, so that the acousto-optic inactivation unit has advanced oxidation capability;

(4) the ultrasonic vibrator is adopted to clean the ultraviolet lamp tube, so that a better cleaning effect is achieved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view showing a structure of a ballast wastewater treatment apparatus in the prior art;

FIG. 2 is a schematic diagram of the internal structure of a prior art filter unit;

FIG. 3 is a schematic view of the overall structure of the wastewater treatment apparatus of the present invention;

FIG. 4 is a schematic view of the internal structure of the filtering unit of the present invention;

wherein, the specific reference numbers are: the device comprises a filtering unit 1', a filtering container 2', a cleaning motor 3', a water inlet 4', a water outlet 5', a high-pressure backwashing pump 6', a filter screen 7', a sewage suction pipe 8', a sewage suction nozzle 9', a high-pressure backwashing rack 10', a high-pressure backwashing nozzle 11', a sewage discharge port 12', an acousto-optic inactivation unit 13', a filtering unit 1, a barrel 2, a water inlet 3, a water outlet 4, an inlet-outlet differential pressure switch 5, a driving motor 6, a rotating shaft 7, a high-pressure water rotating arm 8, a high-pressure water channel 9, a high-pressure water sprayer 10, a sewage discharge rotating arm 11, a sewage discharge channel 12, a sewage discharge pipe 13, a filter element 14, a first ultrasonic vibrator 15, a backwash water inlet 16, a backwash water outlet 17, an acousto-optic inactivation unit 18, an inactivation container body 19, an ultraviolet lamp tube 20 and a second ultrasonic vibrator 21.

Detailed Description

The embodiment of the utility model discloses a wastewater treatment device, as shown in figures 3 and 4, the device comprises a filter unit 1, the filter unit 1 comprises a cylinder 2, a water inlet 3 and a water outlet 4 are arranged on the cylinder 2, a rotating shaft 7, a high-pressure water rotating arm 8, a sewage rotating arm 11, a plurality of filter elements 14 and a first ultrasonic vibrator 15 are arranged in the cylinder 2, the rotating shaft 7 is arranged in the cylinder 2 along the central axis direction, one end of the rotating shaft 7 is connected with a driving motor 6, the rotating shaft 7 is symmetrically provided with a plurality of vertically arranged filter elements 14 along the outer circumferential direction, the filter elements 14 separate the water inlet 3 and the water outlet 4 on the cylinder 2, the high-pressure water rotating arm 8 is arranged on the upper part of the rotating shaft 7, a high-pressure water channel 9 is formed inside the high-pressure water rotating arm 8, the bottom of the high-pressure water rotating arm 8 is provided with a high-pressure water spray nozzle 10 communicated with the high-pressure water channel 9, the high-pressure water spray nozzle 10 is positioned close to the outer side of the filter elements 14, when the filter element 14 needs to be cleaned, high-pressure water flow is sprayed out of the filter element 14 through the high-pressure water spray head 10, the filter element is reversely washed, impurities blocked in the filter element 14 are flushed out, the lower part of the rotating shaft 7 is provided with the blowdown rotating arm 11 arranged in parallel with the high-pressure water rotating arm 8, a blowdown channel 12 is formed in the blowdown rotating arm 11, under the driving of the rotating shaft 7, the open end of the top of the blowdown rotating arm 11 sequentially rotates to be in butt joint with the water inlet end of the bottom of each filter element 14, the outlet end of the bottom of the blowdown rotating arm 11 is rotatably connected with a blowdown pipe 13, under the action of the high-pressure water flow, the impurities in the filter element 14 are flushed down, enter the blowdown pipe 13 through the blowdown channel 12 in the blowdown rotating arm 11 and are discharged outwards, the rotating shaft 7 is driven to move through the driving motor 6, the high-pressure water rotating arm 8 and the blowdown rotating arm 11 are driven to rotate, and rotate once, can wash two filter cores 14, evenly encircle on 2 inside walls of barrel and install a plurality of first supersound oscillators 15, when first supersound oscillator 15 moved, shake the washing to filter core 14, the impurity of stifled in 14 insides of filter core is shaken easily by first supersound oscillator 15 and is smashed the drops.

Wherein, the cylinder body 2 is provided with an inlet-outlet pressure difference switch 5. The pressure difference value of the water inlet 3 and the water outlet 4 is detected in real time through the inlet-outlet pressure difference switch 5, when the pressure difference value between the water inlet 3 and the water outlet 4 is larger than a preset value, the filter element 14 in the barrel 2 is seriously blocked, and at the moment, the filter element 14 in the barrel 2 can be cleaned.

Wherein, the side wall of the cylinder 2 is provided with a back washing water inlet 16, and the bottom of the cylinder 2 is provided with a back washing water outlet 17. The first ultrasonic vibrator 15 starts to operate to shake and clean the filter element 14, impurities blocked in the filter element 14 are easily shaken and smashed by the first ultrasonic vibrator 15, and then the filter element 14 can recover original flux through high-pressure water flow washing at the position of the backwashing water inlet 16.

Wherein, the upper portion and the lower part of filter core 14 are fixed inside barrel 2 through the backup pad respectively, and filter core 14 top sealing connection has the top cap. Through setting up, waste water enters into barrel 2 inside from water inlet 3 to enter by the end of intaking at 14 bottoms of filter core, filters the back through 14 sides of filter core, discharges by delivery port 4 through gathering.

The water outlet 4 of the cylinder 2 is communicated with the water inlet end of the acousto-optic inactivation unit 18 through a pipeline, the acousto-optic inactivation unit 18 comprises an inactivation container body 19, a plurality of ultraviolet lamp tubes 20 arranged in parallel and a plurality of second ultrasonic vibrators 21 arranged in parallel are installed inside the inactivation container body 19, the ultraviolet lamp tubes 20 are perpendicular to the water flow direction in the inactivation container body 19, and the second ultrasonic vibrators 21 are perpendicular to the ultraviolet lamp tubes 20. The ultraviolet lamp tube 20 is preferably a medium-pressure ultraviolet lamp, the wavelength of the effective radiation light wave of which is 220-280nm, and the sterilization of which is more broad-spectrum and reliable than that of a low-pressure ultraviolet lamp. The light wave emitted by the ultraviolet lamp tube 20 destroys nucleic acid (RAN or DNA) of microorganisms, thoroughly kills the microorganisms such as bacteria, viruses and algae in the water, and accordingly, the wastewater is inactivated; meanwhile, the second ultrasonic vibrator 21 and the ultraviolet lamp tube 20 have the function of opposite radiation in the radial direction, so that the vibration wave sound field and the sterilizing lamp light field are coupled in the radial direction, and the radial coupled radiation field is coupled with the water flow field transversely entering the inactivation container main body 19, so that three fields of high-efficiency coupling of the sound field, the light field and the flow field is realized, and the water body has stronger radial cavitation, mixing and cracking functions, so that the water flow, microorganisms and impurities in the water flow can be fully mixed and cracked in the inactivation container main body 19, and plankton can be hidden in the inactivation container main body 19 under the radiation function of high-intensity ultraviolet sterilization and finally completely killed, so that the quality of effluent water is ensured to be stable; the ultraviolet lamp tube 20 is started to work at an instant temperature of hundreds to thousands of degrees, the wastewater contains a certain amount of calcium and magnesium ions, hard scale is easily formed on the surface of the ultraviolet lamp tube 20 under the action of high temperature, a soft rubber ring on a mechanical cleaning disc can not be cleaned generally, and a second ultrasonic vibrator 21 which is perpendicular to the ultraviolet lamp tube 20 can generate strong cavitation effect, activation effect, shearing effect and simulation effect, so that the physical form and the chemical property of scale substances in fluid are changed in a series, and the scale substances are dispersed, crushed, loosened and loosened without being easily attached to the tube wall to form scale deposit, thereby achieving the purposes of preventing and removing the scale on the ultraviolet lamp tube 20.

Wherein, inactivation vessel main part 19 adopts horizontal cuboid structure, and the top is equipped with wave type guide plate in the inactivation vessel main part 19. Through setting up, deactivation container body 19 is inside can not form the short flow region, and the heat dissipation is fast, has solved the frequent problem that produces high temperature and reports to the police of reputation inactivation unit 18.

Wherein, the second ultrasonic vibrators 21 are symmetrically arranged on the side walls at two opposite sides in the inactivation container main body 19. The second ultrasonic vibrators 21 are installed on two symmetrical sides in the inactivation container main body 19 and are perpendicular to the ultraviolet lamp tube 20, radial radiation of the ultraviolet lamp tube 20 can be radiated, vibration waves can be guaranteed to clean dirt on the surface of the ultraviolet lamp tube 20 in an all-dimensional online mode, meanwhile, under the cleaning effect of the high-frequency second ultrasonic vibrators 21, scaling on the inner wall of the inactivation container main body 19 is not prone to occurring, the inner wall can be continuously kept to have high mirror finish, and therefore reflectivity and utilization rate of ultraviolet light are improved.

Wherein, the inner wall of the inactivation container main body 19 is evenly coated with a nano titanium dioxide coating. Under the catalytic action of titanium dioxide, the strong radiation energy of the ultraviolet lamp tube 20 can enable a certain amount of hydroxyl radicals to be generated in water, and the hydroxyl radicals have extremely strong oxidizability and can degrade pollutants such as COD (chemical oxygen demand), TOC (total organic carbon) and the like which are difficult to decompose in water.

The utility model adopts the ultrasonic and high pressure back washing technology to clean the filter element 14 in the filtering unit 1, thus solving the problems of blockage and large pressure loss of the existing wastewater treatment equipment; the acousto-optic inactivation unit 18 is designed in a horizontal cuboid shape, and a wave-shaped guide plate is arranged at the top of the acousto-optic inactivation unit, so that a short-current area cannot be formed, the heat dissipation is fast, and the problem that the acousto-optic inactivation unit 18 frequently generates high-temperature alarm is solved; by adopting the nano titanium dioxide coating technology, the capability of generating advanced oxidant hydroxyl free radicals by the acousto-optic inactivation unit 18 is improved, so that the acousto-optic inactivation unit 18 has advanced oxidation capability; the ultrasonic vibrator is adopted to clean the ultraviolet lamp tube 20, so that a better cleaning effect is achieved.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims

1. A wastewater treatment device is characterized by comprising a filtering unit, wherein the filtering unit comprises a barrel, a water inlet and a water outlet are formed in the barrel, a rotating shaft, a high-pressure water rotating arm, a pollution discharge rotating arm, a plurality of filter elements and a first ultrasonic vibrator are arranged in the barrel, the rotating shaft is arranged in the barrel along the direction of a central axis, one end of the rotating shaft is connected with a driving motor, the rotating shaft is symmetrically provided with a plurality of vertically arranged filter elements along the circumferential direction of the outer side, the filter elements separate the water inlet and the water outlet on the barrel, the high-pressure water rotating arm is arranged on the upper part of the rotating shaft, a high-pressure water channel is formed in the high-pressure water rotating arm, a high-pressure water spray head communicated with the high-pressure water channel is arranged at the bottom of the high-pressure water rotating arm, and is positioned close to the outer side of the filter elements, the utility model discloses a filter core, including rotation axis, blowdown swinging boom, filter core bottom, inlet end butt joint, the rotation axis lower part install with high pressure water swinging boom parallel arrangement's blowdown swinging boom, the inside blowdown passageway of having seted up of blowdown swinging boom, under the drive of rotation axis, the open end at blowdown swinging boom top is rotatory in proper order to and each the end of intaking of filter core bottom is docked mutually, the exit end of blowdown swinging boom bottom rotates and is connected with the blow off pipe, evenly encircle on the barrel inside wall and install a plurality ofly first ultrasonic vibrator.

2. The wastewater treatment apparatus of claim 1, wherein the cartridge is fitted with a differential inlet/outlet pressure switch.

3. The wastewater treatment apparatus according to claim 1 or 2, wherein a backwash water inlet is provided on the side wall of the cylinder, and a backwash water outlet is provided on the bottom of the cylinder.

4. The wastewater treatment apparatus according to claim 1, wherein the upper and lower parts of the filter element are fixed inside the cylinder by support plates, respectively, and a top cover is hermetically connected to the top of the filter element.

5. The wastewater treatment equipment according to claim 1, wherein the water outlet of the cylinder is communicated with the water inlet end of the acousto-optic inactivation unit through a pipeline, the acousto-optic inactivation unit comprises an inactivation container body, a plurality of ultraviolet lamp tubes arranged in parallel and a plurality of second ultrasonic vibrators arranged in parallel are installed in the inactivation container body, the ultraviolet lamp tubes are perpendicular to the water flow direction in the inactivation container body, and the second ultrasonic vibrators are perpendicular to the ultraviolet lamp tubes.

6. The wastewater treatment equipment according to claim 5, wherein the inactivation vessel body is of a horizontal cuboid structure, and a wave-shaped guide plate is arranged at the top in the inactivation vessel body.

7. The wastewater treatment apparatus according to claim 5 or 6, wherein the second ultrasonic vibrators are symmetrically arranged on the side walls at two opposite sides inside the inactivation container body.

8. The wastewater treatment apparatus according to claim 7, wherein the inner wall of the deactivation container body is uniformly coated with a nano-titania coating.