CN210711109U

CN210711109U - Photocatalysis effluent treatment plant

Info

Publication number: CN210711109U
Application number: CN201921625420.3U
Authority: CN
Inventors: 钟昀; 李可心
Original assignee: Nanchang Hangkong University
Current assignee: Nanchang Hangkong University
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-09
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a photocatalysis effluent treatment plant, including the photocatalytic reaction pond, edulcoration bottom of the pool portion is equipped with deposits guide board, middle part and is equipped with the filter screen, deposits guide board downside and installs vibrating device, and the filter screen top is equipped with brushing device, and brushing device installs in edulcoration top of the pool portion, and the edulcoration inboard of the pool is installed floater level switch, the outside is through connecting pipe and photocatalytic reaction pond intercommunication, is equipped with catalytic unit in the photocatalytic reaction pond, and the bottom is equipped with the outlet pipe. The utility model has the advantages that: the device provides a wastewater treatment device which has large photocatalyst surface area, high light utilization rate and full contact between wastewater and photocatalyst; before photocatalytic treatment, the wastewater is subjected to filtering and precipitation treatment, so that precipitates in the wastewater are reduced, the light permeability is increased, the illumination utilization rate is improved, and the wastewater treatment effect is good. When the sediment is treated, the filter screen does not need to be cleaned manually, the sediment treatment is simple and easy, and the manpower is saved.

Description

Photocatalysis effluent treatment plant

Technical Field

The utility model relates to a waste water treatment equipment technical field especially relates to a photocatalysis effluent treatment plant.

Background

The waste water treatment is a purification process which makes the waste water reach the drainage standard or meet the water quality requirement of reuse. The wastewater treatment is widely applied to the fields of construction, agriculture, traffic, energy, environmental protection, urban landscape, medical treatment, catering and the like. At present, the discharge of urban domestic wastewater is the most important of the current and future urban water saving and urban water environment protection work, and the important content of urban construction is to be considered by the building of facilities for treating the domestic wastewater. The photocatalyst (photocatalysis) is a substance which does not change under the irradiation of light and can promote chemical reaction, and the photocatalyst utilizes the light energy existing in nature to convert into the energy required by the chemical reaction to produce the catalytic action, so that the surrounding oxygen and water molecules are excited into free negative ions with strong oxidizing power. Almost all organic substances and partial inorganic substances harmful to human bodies and environment can be decomposed, not only can the reaction be accelerated, but also the natural definition can be applied, and the resource waste and the additional pollution formation are not caused. The water purification by photocatalyst is an ideal water purification method.

The existing photocatalyst wastewater treatment device has low treatment efficiency and the reason is as follows: 1. the surface area of the photocatalyst is small, and the utilization rate of light is low; 2. the waste water contains a large amount of precipitates, and the light irradiates the precipitates to generate diffuse reflection, so that large-amplitude light loss is caused; 3. the wastewater and the photocatalyst are not sufficiently contacted.

Aiming at the technical problems, the device provides a wastewater treatment device which has large photocatalyst surface area, high light utilization rate and full contact between wastewater and photocatalyst; before photocatalytic treatment, the waste water is filtered and precipitated, so that precipitates in the waste water are reduced, the light permeability is increased, and the illumination utilization rate is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a photocatalysis waste water treatment device, which provides a waste water treatment device with large photocatalyst surface area, high light utilization rate and full contact between waste water and photocatalyst; before photocatalytic treatment, the wastewater is subjected to filtering and precipitation treatment, so that precipitates in the wastewater are reduced, the light permeability is increased, the illumination utilization rate is improved, and the wastewater treatment effect is good. When the sediment is treated, the filter screen does not need to be cleaned manually, the sediment treatment is simple and easy, and the manpower is saved.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a photocatalysis effluent treatment plant, includes vibrating device, deposits guide board, filter screen, brushing device, edulcoration pond, floater liquid level switch, connecting pipe, photocatalytic reaction pond, catalytic unit and outlet pipe, its characterized in that: edulcoration bottom of the pool portion is equipped with deposits guide board, the middle part is equipped with the filter screen, deposits guide board downside and installs vibrating device, and the filter screen top is equipped with brushing device, and brushing device installs in edulcoration top of the pool portion, and the edulcoration pond inboard is installed floater level switch, the outside and is passed through connecting pipe and photocatalytic reaction pond intercommunication, is equipped with catalytic unit in the photocatalytic reaction pond, and the bottom is equipped with the outlet pipe.

Furthermore, the catalytic device comprises a photocatalyst, a light source and tiles, two ends of the tiles are respectively and fixedly connected with the front inner wall and the rear inner wall of the photocatalytic reaction tank, and the tiles are in a step shape and are sequentially overlapped end to end; the upper surface of the tile is attached with a photocatalyst, and a plurality of light sources are arranged above the tile.

Furthermore, the tile comprises arc plastics tile and arc drainage mouth, and arc plastics tile and the fixed integral type of arc drainage mouth are connected.

Further, impurity removal pond left side is from last down connecting gradually inlet tube, large granule thing discharge pipe and settling the discharge pipe, the filter screen top is located to inlet tube and large granule thing discharge pipe, installs first electromagnetism water valve on the large granule thing discharge pipe, settling the discharge pipe and locating the filter screen below, install the ball valve on the settling the discharge pipe.

Further, the height of the floating ball liquid level switch is between the filter screen and the water inlet pipe.

Furthermore, a second electromagnetic water valve is further arranged on the connecting pipe.

Further, vibrating device includes blowdown motor, extension spring, spherical hammer, fly leaf, pulling rod, plectrum, carousel and vibration rotation axis, deposit the guide board through a plurality of extension springs and fly leaf upside elastic connection, the fixed a plurality of spherical hammers, downside and the pulling rod fixed connection that is equipped with of fly leaf upside, pulling rod stirs through the plectrum, and the plectrum is fixed to be located in the carousel outside, and the carousel passes through vibration rotation axis and blowdown motor's pivot fixed connection.

Further, extension spring and ball hammer alternate setting, the pulling rod is "L" shape, and "L" shape pulling rod sets up towards the carousel.

Further, brushing device is including brushing rotation axis, brush and scrubbing motor, the brush hugs closely the upper surface setting of filter screen, and through the pivot fixed connection who brushes the rotation axis and scrub the motor, scrub motor fixed mounting in edulcoration pond top in the middle of the filter screen.

Further, the external power supply is electrically connected with the floating ball liquid level switch, the pollution discharge motor switch and the light source switch; the floating ball liquid level switch is electrically connected with the first electromagnetic water valve, the brushing motor and the second electromagnetic water valve; the sewage discharge motor switch is electrically connected with the sewage discharge motor; the light source switch is electrically connected with the light source.

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

one is as follows: this device is equipped with the photocatalytic reaction pond, and a plurality of tiles end to end in the photocatalytic reaction pond, therefore the surface area greatly increased of the photocatalyst on tile surface, the tile is spread waste water by a large scale simultaneously, and waste water can be abundant and photocatalyst contact, and the irradiation of the light source of receiving that again can be abundant, even has improved photocatalyst effluent treatment plant's treatment effeciency.

The second step is as follows: this device is equipped with the edulcoration pond, handles the back through the edulcoration pond, and the waste water of low particulate matter gets into in the photocatalytic reaction pond, through filtering, sedimentation treatment back, has reduced the interior precipitate of waste water, increases the permeability of light, improves the illumination utilization ratio. When carrying out the edulcoration and handling, floater liquid level switch cooperation is scrubbed motor, first electromagnetism water valve and second electromagnetism water valve setting, can the perception filter screen and is blockked up to in time scrub the filter screen and discharge big particulate matter from the large granule thing discharge tube, possess the filter screen and prevent blockking up the function, guaranteed device filtering capability normal operating.

And thirdly: when carrying out sedimentation treatment, open the ball valve, and open blowdown motor switch, blowdown motor work, the blowdown motor drives the carousel rotatory, the outside plectrum of carousel will pull the pole below to one side, the pole will be pulled the fly leaf below to one side to the other side, it is taut with the extension spring, when the carousel continues to rotate, plectrum release pulling pole, under the tensile force effect of a plurality of extension springs, the board is deposited in a plurality of ball hammer hammering, be in at this moment and deposit the mud of guide board upper surface and discharged in being relaxed from depositing the escape pipe, the steady operation that lasts of device has been guaranteed.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention; FIG. 2 is a schematic view of the structure at the position A of the present invention;

fig. 3 is a schematic structural view of the position B of the present invention; FIG. 4 is a schematic view of a tile of the present invention;

in the figure: 1. a vibrating device; 2. a sediment guide plate; 3. a sediment discharge pipe; 3-1, ball valves; 4. filtering with a screen; 5. a large particle matter discharge pipe; 6. a first electromagnetic water valve; 7. a water inlet pipe; 8. brushing the rotating shaft; 8-1, brush; 9. brushing a motor; 10. an impurity removal tank; 11. a float ball liquid level switch; 12. a connecting pipe; 13. a second electromagnetic water valve; 14. a photocatalytic reaction tank; 15. a photocatalyst; 16. a light source; 17. a tile; 18. a water outlet pipe; 19. a tension spring; 20. a spherical hammer; 21. a movable plate; 22. pulling a rod; 23. a shifting sheet; 24. a turntable; 25. vibrating the rotating shaft; 26. an arc-shaped plastic tile; 27. an arc-shaped drainage nozzle; 28. a blowdown motor switch; 29. and (5) switching a light source.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1-4, a photocatalysis waste water treatment device, including vibrating device 1, deposit guide board 2, filter screen 4, brushing device, edulcoration pond 10, floater level switch 11, connecting pipe 12, photocatalysis reaction pond 14, catalytic unit and outlet pipe 18, edulcoration pond 10 bottom is equipped with deposits guide board 2, the middle part is equipped with filter screen 4, deposit guide board 2 downside and install vibrating device 1, filter screen 4 top is equipped with brushing device, brushing device installs in edulcoration pond 10 top, floater level switch 11 is installed to edulcoration pond 10 inboard, the outside is through connecting pipe 12 and photocatalysis reaction pond 14 intercommunication, be equipped with catalytic unit in the photocatalysis reaction pond 14, the bottom is equipped with outlet pipe 18.

As shown in fig. 1, the catalytic device comprises a photocatalyst 15, a light source 16 and tiles 17, wherein two ends of the tiles 17 are respectively and fixedly connected with the front inner wall and the rear inner wall of the photocatalytic reaction tank 14, and the tiles 17 are in a step shape and are sequentially overlapped end to end; the tile 17 has a photocatalyst 15 attached to its upper surface, and a plurality of light sources 16 are provided above the tile 17. The light source 16 is installed on the inner wall of the photocatalytic reaction cell 14. The photocatalyst 15 is preferably titanium dioxide, tin oxide or zirconium dioxide; the light source 16 is preferably a UV lamp or an LED lamp.

As shown in fig. 4, the tile 17 is composed of an arc-shaped plastic tile 26 and an arc-shaped drainage nozzle 27, and the arc-shaped plastic tile 26 and the arc-shaped drainage nozzle 27 are fixedly and integrally connected. The tiles 17 are preferably in three rows, each row overlapping end to end in sequence. The arc-shaped drainage nozzles 27 of the first row of tiles and the third row of tiles face to the right, the left side of the whole body is close to the inner wall of the left side of the photocatalytic reaction tank 14, and a gap is reserved between the right side of the whole body and the inner wall of the right side of the photocatalytic reaction tank 14. The arc-shaped drainage nozzle 27 of the second row of tiles faces to the left, the right side of the whole body is close to the inner wall of the right side of the photocatalytic reaction tank 14, and a gap is reserved between the left side of the whole body and the inner wall of the right side of the photocatalytic reaction tank 14.

As shown in fig. 1, the left side of the impurity removing pond 10 is sequentially connected with a water inlet pipe 7, a large-particle matter discharge pipe 5 and a precipitation discharge pipe 3 from top to bottom, the water inlet pipe 7 and the large-particle matter discharge pipe 5 are arranged above a filter screen 4, a first electromagnetic water valve 6 is arranged on the large-particle matter discharge pipe 5, the precipitation discharge pipe 3 is arranged below the filter screen 4, and a ball valve 3-1 is arranged on the precipitation discharge pipe 3. The height of the float level switch 11 is between the filter screen 4 and the water inlet pipe 7. And a second electromagnetic water valve 13 is further arranged on the connecting pipe 12.

As shown in fig. 2, the vibration device 1 includes a sewage discharging motor, a tension spring 19, a spherical hammer 20, a movable plate 21, a pulling rod 22, a shifting piece 23, a rotary table 24 and a vibration rotating shaft 25, the sediment guide plate 2 is elastically connected with the upper side of the movable plate 21 through a plurality of tension springs 19, the upper side of the movable plate 21 is fixedly provided with a plurality of spherical hammers 20, the lower side of the spherical hammer and the pulling rod 22, the pulling rod 22 is shifted through the shifting piece 23, the shifting piece 23 is fixedly arranged on the outer side of the rotary table 24, and the rotary table 24 is fixedly connected with the rotary shaft of the sewage. Extension spring 19 and ball hammer 20 alternate setting, pulling rod 22 is "L" shape, and "L" shape pulling rod 22 sets up towards carousel 24.

As shown in fig. 1, the brushing device comprises a brushing rotating shaft 8, a brush 8-1 and a brushing motor 9, the brush 8-1 is tightly attached to the upper surface of the filter screen 4, the middle of the filter screen 4 is fixedly connected with a rotating shaft of the brushing rotating shaft 8 and the brushing motor 9, and the brushing motor 9 is fixedly installed at the top of the impurity removing pool 10. The external power supply is electrically connected with the floating ball liquid level switch 11, the sewage motor switch 28 and the light source switch 29; the float ball liquid level switch 11 is electrically connected with the first electromagnetic water valve 6, the brushing motor 9 and the second electromagnetic water valve 13; the sewage discharge motor switch 28 is electrically connected with the sewage discharge motor; the light source switch 29 is electrically connected to the light source 16. The first electromagnetic water valve 6 and the second electromagnetic water valve 13 are 2W-160-15 in model; the brushing motor 9 is of a type such as XD-3420-2; the float level switch 11 is of a type such as JYNS 15; the sewage discharge motor is 3I/RK 15A-C.

It is noted that the utility model is a photocatalysis waste water treatment device, when in use, firstly, the external power supply is switched on, the light source switch 29 is turned on, then the polluted domestic wastewater is led into the impurity removal tank 10 from the water inlet pipe 7, at the moment, the precipitation discharge pipe 3 and the first electromagnetic water valve 6 are in a closed state, the second electromagnetic water valve 13 is in an open state, the polluted domestic wastewater flows into the lower part of the filter screen 4 after being filtered by the filter screen 4 and is precipitated below the filter screen 4, when the liquid level rises to the height of the connecting pipe 12, the filtered and precipitated sewage flows into the photocatalytic reaction tank 14 through the connecting pipe 12, the light source 16 fully illuminates the sewage above the tiles 17, the tiles are connected end to end, the surface area of the photocatalyst on the surface of the tile is increased, the tile 17 spreads the waste water in a large area, and the waste water can be fully contacted with the photocatalyst and can fully receive the illumination of a light source. After the treatment of the impurity removal tank, the wastewater with low particulate matters enters the photocatalytic reaction tank 14, and after the filtration and precipitation treatment, the precipitates in the wastewater are reduced, the light permeability is increased, and the illumination utilization rate is improved.

When the waste water above the filter screen 4 blocks the meshes of the filter screen 4, the waste water rises above the filter screen 4 until the floating ball liquid level switch 11 is immersed, the floating ball liquid level switch 11 senses the rise of the sewage liquid level and then switches on a circuit where the first electromagnetic water valve 6 in a normally closed state, a circuit where the second electromagnetic water valve 13 in a normally open state and a circuit where the brushing motor 9 is located, so that the first electromagnetic water valve 6 is opened to switch on the large-particle discharge pipe 5, the second electromagnetic water valve 13 is closed to switch off the connecting pipe 12, the brushing motor 9 drives the brush 8-1 to rotate, the upper surface of the filter screen 4 is brushed, and large-particle pollutants are discharged from the large-particle discharge pipe 5. When the liquid level above the filter screen 4 descends, namely the filter screen 4 is dredged, the floating ball liquid level switch 11 senses the liquid level descending due to the descending of the liquid level above the filter screen 4, and the circuit of the normally closed first electromagnetic water valve 6, the circuit of the normally open second electromagnetic water valve 13 and the circuit of the brushing motor 9 are disconnected, so that the brushing of the filter screen 4 is completed.

When the device needs to be subjected to sedimentation treatment, the ball valve 3-1 is opened, the sewage discharge motor switch 28 is opened, the sewage discharge motor works, the sewage discharge motor drives the rotary table 24 to rotate, the poking piece 23 outside the rotary table 24 pulls the pulling rod 22 to the inclined lower side, the pulling rod 22 pulls the movable plate 21 to the inclined lower side, the tension spring 19 is tensioned, when the rotary table 24 continues to rotate, the poking piece 23 releases the pulling rod 22, the sedimentation guide plate 2 is hammered by the plurality of spherical hammers 20 under the tension action of the plurality of tension springs 19, and at the moment, sludge on the upper surface of the sedimentation guide plate 2 is easily discharged from the sedimentation discharge pipe 3.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a photocatalysis effluent treatment plant, includes vibrating device, deposits guide board, filter screen, brushing device, edulcoration pond, floater liquid level switch, connecting pipe, photocatalytic reaction pond, catalytic unit and outlet pipe, its characterized in that: edulcoration bottom of the pool portion is equipped with deposits guide board, the middle part is equipped with the filter screen, deposits guide board downside and installs vibrating device, and the filter screen top is equipped with brushing device, and brushing device installs in edulcoration top of the pool portion, and the edulcoration pond inboard is installed floater level switch, the outside and is passed through connecting pipe and photocatalytic reaction pond intercommunication, is equipped with catalytic unit in the photocatalytic reaction pond, and the bottom is equipped with the outlet pipe.

2. The photocatalytic wastewater treatment apparatus according to claim 1, characterized in that: the catalytic device comprises a photocatalyst, a light source and tiles, two ends of the tiles are respectively and fixedly connected with the front inner wall and the rear inner wall of the photocatalytic reaction tank, and the tiles are in a step shape and are sequentially overlapped end to end; the upper surface of the tile is attached with a photocatalyst, and a plurality of light sources are arranged above the tile.

3. The photocatalytic wastewater treatment apparatus according to claim 2, characterized in that: the tile comprises arc plastics tile and arc drainage mouth, and arc plastics tile and the fixed integral type of arc drainage mouth are connected.

4. The photocatalytic wastewater treatment apparatus according to claim 1, characterized in that: the edulcoration pond left side is from last down connecting gradually inlet tube, large granule thing discharge pipe and depositing the discharge pipe, the filter screen top is located to inlet tube and large granule thing discharge pipe, installs first electromagnetism water valve on the large granule thing discharge pipe, deposit the discharge pipe and locate the filter screen below, deposit and install the ball valve on the discharge pipe.

5. The photocatalytic wastewater treatment apparatus according to claim 1, characterized in that: the height of the float ball liquid level switch is between the filter screen and the water inlet pipe.

6. The photocatalytic wastewater treatment apparatus according to claim 1, characterized in that: and a second electromagnetic water valve is also arranged on the connecting pipe.

7. The photocatalytic wastewater treatment apparatus according to claim 1, characterized in that: the vibrating device comprises a sewage discharging motor, tension springs, spherical hammers, a movable plate, a pulling rod, stirring plates, a rotary table and a vibrating rotating shaft, wherein the sediment guide plate is elastically connected with the upper side of the movable plate through the tension springs, the upper side of the movable plate is fixedly provided with the spherical hammers, the lower side of the movable plate and the pulling rod, the pulling rod is stirred through the stirring plates, the stirring plates are fixedly arranged on the outer side of the rotary table, and the rotary table is fixedly connected with the rotating shaft of the sewage discharging motor through the vibrating rotating shaft.

8. The photocatalytic wastewater treatment apparatus according to claim 7, characterized in that: extension spring and spherical hammer alternate setting, the pulling rod is "L" shape, and "L" shape pulling rod sets up towards the carousel.

9. The photocatalytic wastewater treatment apparatus according to claim 1, characterized in that: the brushing device comprises a brushing rotating shaft, a brush and a brushing motor, the brush is tightly attached to the upper surface of the filter screen, the middle of the filter screen is fixedly connected with the rotating shaft of the brushing rotating shaft and the rotating shaft of the brushing motor, and the brushing motor is fixedly arranged at the top of the impurity removing pool.

10. The photocatalytic wastewater treatment apparatus according to claim 1, characterized in that: the external power supply is electrically connected with the floating ball liquid level switch, the pollution discharge motor switch and the light source switch; the floating ball liquid level switch is electrically connected with the first electromagnetic water valve, the brushing motor and the second electromagnetic water valve; the sewage discharge motor switch is electrically connected with the sewage discharge motor; the light source switch is electrically connected with the light source.