CN214528453U - Waste water treatment device - Google Patents

Abstract

The utility model discloses a wastewater treatment device, which comprises a shell, wherein the top of the shell is provided with a first water inlet, the lower part of the side wall of the shell is provided with a first water outlet, and the shell is internally provided with a first photocatalytic module and a second photocatalytic module from top to bottom in sequence; the first photocatalysis module comprises a plurality of ultraviolet lamp tubes which are sequentially arranged from top to bottom, the ultraviolet lamp tubes are wound with spiral water tubes, two ends of each spiral water tube are respectively provided with a second water inlet and a second water outlet, the spiral water tubes are sequentially connected in series, and the second water inlets on the spiral water tubes close to the first water outlets in the spiral water tubes are communicated with the first water inlets. The utility model greatly improves the photocatalytic oxidation efficiency and effect by arranging the first photocatalytic module and the second photocatalytic module; through setting up the spiral water pipe of a plurality of series connection in the first photocatalysis module, increased organic waste water and photocatalyst's area of contact, further improved photocatalytic oxidation efficiency and effect.

Description

Waste water treatment device

Technical Field

The utility model relates to an organic waste water treatment technical field, concretely relates to effluent treatment plant.

Background

At present, the refractory organic wastewater mainly comes from a large amount of wastewater discharged in the industrial and agricultural production process, and mainly comprises pesticide wastewater, dye wastewater, paper-making wastewater, coking wastewater and the like. If the industrial wastewater containing organic pollutants is directly discharged into a water body without being treated, the industrial wastewater can be seriously remained in the water body for a long time and finally enters a human body through a food chain enrichment effect to damage the health of the human body except causing water body pollution and microorganism growth to change the composition of substances in the water body; the existing treatment method for organic pollutants in industrial wastewater comprises the following steps: activated carbon adsorption, oxidation treatment, membrane treatment method and ion exchange resin; the methods have good effect on industrial wastewater treatment, but have the limitations that: the removal rate of the activated carbon adsorption method is low, and more activated carbon is consumed; the universality of oxidation treatment is poor; the membrane of the membrane treatment method is easy to block, the membrane material needs to be replaced regularly, and the maintenance cost is high; the ion exchange resin mode is only suitable for the water purification treatment process with low organic pollutant concentration. The photocatalysis technology is used as a novel modern organic pollution treatment mode, has the remarkable advantages of low energy consumption, mild reaction conditions, no secondary pollution and high removal rate, and becomes an organic wastewater treatment means which is widely researched and applied in recent years; but also has the defects of long degradation period and low degradation efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects and provide a wastewater treatment device, which greatly improves the photocatalytic oxidation efficiency and effect by arranging a first photocatalytic module and a second photocatalytic module; wherein, through setting up a plurality of series connection's spiral water pipe in the first photocatalysis module, increased organic waste water and photocatalyst's area of contact, further improved photocatalytic oxidation efficiency and effect.

In order to achieve the purpose, the utility model provides the following technical scheme, a wastewater treatment device comprises a shell, wherein a first water inlet is arranged at the top of the shell, a first water outlet is arranged at the lower part of the side wall of the shell, and a first photocatalytic module and a second photocatalytic module are sequentially arranged in the shell from top to bottom;

the first photocatalysis module comprises a plurality of ultraviolet lamp tubes which are sequentially arranged from top to bottom, the ultraviolet lamp tubes are horizontally arranged in the shell, a spiral water pipe is wound outside the ultraviolet lamp tubes, a second water inlet and a second water outlet are respectively arranged at two ends of the spiral water pipe, the spiral water pipes are sequentially connected in series, and a second water inlet on the spiral water pipe close to the first water outlet in the spiral water pipes is communicated with the first water inlet; the inner side wall of the spiral water pipe is provided with a titanium dioxide photocatalyst coating;

the second photocatalytic oxidation module is including locating filter screen bucket in the casing, the filter screen bucket is upper end open-ended hollow structure, the up end of filter screen bucket is equipped with the flanging, the flanging with the sealed fixed connection of casing inside wall, a plurality of titanium dioxide catalyst particles have been placed in the filter screen bucket, seted up on the casing inside wall with the corresponding mounting groove in filter screen bucket lateral wall position, install ultraviolet lamp pearl in the mounting groove.

In the above wastewater treatment apparatus, a first three-way electromagnetic valve is installed on the first water inlet, the first three-way electromagnetic valve includes a first inlet, a second inlet and a first outlet, the first outlet is respectively communicated with the first inlet or the second inlet, a second three-way electromagnetic valve is installed outside the housing, the second three-way electromagnetic valve includes a third inlet, a second outlet and a third outlet, and the third inlet is respectively communicated with the second outlet or the third outlet; a water inlet pipe is arranged on the first inlet, a second water inlet on a spiral water pipe close to the first water inlet in the plurality of spiral water pipes is communicated with the first outlet, the first water outlet is communicated with the third inlet through a water conveying pipeline and a conveying pump, a water outlet pipe is arranged on the second outlet, and the third outlet is communicated with the second inlet through a water conveying pipeline; the bottom still is equipped with water quality monitoring sensor in the casing, effluent treatment plant still includes the PLC controller, the PLC controller respectively with first three solenoid valve, second three solenoid valve, the delivery pump, water quality monitoring sensor control connection.

In the above wastewater treatment device, the open end of the installation groove is sealed and covered with the quartz glass plate.

The wastewater treatment device further comprises an agitating mechanism, wherein the agitating mechanism comprises a driving motor and an agitating shaft, the driving motor is installed at the bottom of the shell, one end of the agitating shaft is in transmission connection with the driving motor, the other end of the agitating shaft penetrates through the bottom wall of the shell and the bottom wall of the filter screen barrel in sequence and is positioned in the filter screen barrel, and a cross agitating blade is installed on the agitating shaft.

In the wastewater treatment device, the inner bottom wall of the shell is also provided with the annular aeration disc, and the annular aeration disc is communicated with the ozone generator arranged outside the shell through the gas transmission pipeline.

In the above wastewater treatment device, a filter module located between the first photocatalytic module and the second photocatalytic module is further disposed in the housing; the filter module comprises an inclined filter screen, the outer side wall of the inclined filter screen is fixedly connected with the inner side wall of the shell in a sealing mode, the lower end of the inclined filter screen is provided with a filter residue collecting tank, and a cleaning assembly used for cleaning filter residues on the inclined filter screen into the filter residue collecting tank is further arranged in the shell.

Foretell effluent treatment plant, wherein, clean the subassembly including install in guide rail on the casing inside wall, the slip direction of guide rail with slope filter screen up end is parallel to each other, clean the subassembly and still include cleaning rod and waterproof electric telescopic handle, the cleaning rod slides through the slider and locates on the slide rail, the cleaning rod is close to the one end of slope filter screen is equipped with cleans the brush, waterproof electric telescopic handle is used for the drive the cleaning rod is in slide on the guide rail.

The wastewater treatment device is characterized in that a slag removing door corresponding to the position of the filter residue collecting tank is arranged on the side wall of the shell.

The above wastewater treatment device, wherein the filter diameter of the inclined filter screen is larger than that of the filter screen barrel.

The wastewater treatment device is characterized in that the side wall of the shell is provided with the observation window, and the height direction of the observation window is consistent with that of the shell.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model relates to a wastewater treatment device, which is provided with a first photocatalytic module and a second photocatalytic module, thereby greatly improving the photocatalytic oxidation efficiency and effect; wherein, through setting up a plurality of series connection's spiral water pipe in the first photocatalysis module, increased organic waste water and photocatalyst's area of contact, further improved photocatalytic oxidation efficiency and effect.

2. The utility model relates to an in the effluent treatment plant still have agitating unit and annular aeration dish, under the synergism of photocatalytic oxidation technique and ozone oxidation technique, further improved waste water treatment efficiency and effect greatly, ozone still has the sterile effect of disinfecting simultaneously, has improved the security behind the waste water treatment.

3. The utility model relates to a still be equipped with the filtration module that is located between first photocatalysis module and the second photocatalysis module in the effluent treatment plant, will carry out the prefiltering through the waste water that the filtration module was handled after first photocatalysis module, avoid impurity in the waste water to adhere to on the titanium dioxide catalyst granule in the filter screen bucket, influence second photocatalysis module's catalytic oxidation efficiency.

Drawings

FIG. 1 is a schematic view of an external structure of a wastewater treatment plant of the present invention;

FIG. 2 is a schematic view of the internal structure of a wastewater treatment plant according to the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 2;

FIG. 4 is an enlarged view of the portion B of FIG. 2;

FIG. 5 is a schematic structural view of the middle spiral water pipe of the present invention;

FIG. 6 is a schematic structural view of a cross-shaped stirring blade according to the present invention;

FIG. 7 is a control schematic diagram of a wastewater treatment plant according to the present invention.

The correspondence between each mark and the part name is as follows:

the device comprises a shell 1, a first water outlet 2, an ultraviolet lamp tube 3, a spiral water pipe 4, a second water inlet 5, a second water outlet 6, a filter screen barrel 7, a flanging 8, a mounting groove 9, ultraviolet lamp beads 10, titanium dioxide catalyst particles 11, a quartz glass plate 12, a driving motor 13, a stirring shaft 14, a cross stirring blade 15, an annular aeration disc 16, an inclined filter screen 17, a filter residue collecting tank 18, a guide rail 19, a cleaning rod 20, a waterproof electric telescopic rod 21, a slag cleaning door 22, a cleaning brush 23, an observation window 24, a first three-way electromagnetic valve 25, a second three-way electromagnetic valve 26, a conveying pump 27, a water quality monitoring sensor 28, a PLC (programmable logic controller) 29, a water inlet pipe 30 and a water outlet pipe 31.

Detailed Description

In order to make the technical means of the implementation of the present invention, for making the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below, and it is clear and completely described the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 2, the embodiment discloses a wastewater treatment device, which comprises a housing 1, wherein a first water inlet is arranged at the top of the housing 1, a first water outlet 2 is arranged at the lower part of the side wall of the housing 1, and a first photocatalytic module and a second photocatalytic module are sequentially arranged in the housing 1 from top to bottom.

Referring to fig. 2 and 5, the first photocatalytic module includes a plurality of ultraviolet lamp tubes 3 sequentially arranged from top to bottom, the ultraviolet lamp tubes 3 are horizontally arranged in the housing 1, spiral water tubes 4 are wound outside the ultraviolet lamp tubes 3, two ends of each spiral water tube 4 are respectively provided with a second water inlet 5 and a second water outlet 6, the spiral water tubes 4 are sequentially connected in series, and the second water inlet 5 on the spiral water tube 4 close to the first water outlet 2 in the spiral water tubes 4 is communicated with the first water inlet; the inner side wall of the spiral water pipe 4 is provided with a titanium dioxide photocatalyst coating;

referring to fig. 2 and 4, the second photocatalytic oxidation module comprises a filter screen barrel 7 arranged in the shell 1, the filter screen barrel 7 is of a hollow structure with an upper end open, the upper end face of the filter screen barrel 7 is provided with a flanging 8, the flanging 8 is fixedly connected with the inner side wall of the shell 1 in a sealing manner, a plurality of titanium dioxide catalyst particles 11 are placed in the filter screen barrel 7, the inner side wall of the shell 1 is provided with a mounting groove 9 corresponding to the position of the side wall of the filter screen barrel 7, and an ultraviolet lamp bead 10 is installed in the mounting groove 9.

In the wastewater treatment device in the embodiment, the first photocatalytic module and the second photocatalytic module are arranged, so that the photocatalytic oxidation efficiency is effectively improved, and the wastewater treatment quality is improved; wherein, through setting up a plurality of series connection's spiral water pipe 4 in the first photocatalysis module, increased organic waste water and photocatalyst's area of contact, be favorable to organic waste water's degradation.

Wherein, as shown in fig. 4, the open end of the mounting groove 9 in this embodiment is sealed and covered with the quartz glass plate 12, and by arranging the quartz glass plate 12, the service life of the ultraviolet lamp bead 10 is prolonged, and the influence on the photocatalytic oxidation efficiency caused by the attachment of impurities in the wastewater to the ultraviolet lamp bead 10 is avoided.

Specifically, referring to fig. 2, the wastewater treatment apparatus in this embodiment further includes an agitating mechanism, the agitating mechanism includes a driving motor 13 and an agitating shaft 14, the driving motor 13 is installed at the bottom of the housing 1, one end of the agitating shaft 14 is in transmission connection with the driving motor 13, the other end of the agitating shaft 14 sequentially penetrates through the bottom wall of the housing 1 and the bottom wall of the filter screen barrel 7 and then is located in the filter screen barrel 7, referring to fig. 2 and 6, a cross-shaped agitating blade 15 located in the filter screen barrel 7 is installed on the agitating shaft 14, and a cross-shaped agitating blade 15 located between the filter screen barrel 7 and the bottom wall in the housing 1 is also installed on the agitating shaft 14. By arranging the stirring shaft 14 and the cross-shaped stirring blades 15, the treatment efficiency of the second photocatalytic module is improved.

Referring to fig. 2, the inner bottom wall of the housing 1 in this embodiment is further provided with an annular aeration disc 16, and the annular aeration disc 16 is communicated with an ozone generator (not shown) arranged outside the housing 1 through a gas transmission pipeline. Through the cooperation of the photocatalytic oxidation technology and the ozone oxidation technology, the wastewater treatment efficiency and effect are greatly improved, and meanwhile, the ozone also has the sterilization and disinfection effects.

In addition, referring to fig. 2 and 3, a filter module located between the first photocatalytic module and the second photocatalytic module is further disposed in the housing 1 in this embodiment; the filter module comprises an inclined filter screen 17, the outer side wall of the inclined filter screen 17 is fixedly connected with the inner side wall of the shell 1 in a sealing mode, a filter residue collecting groove 18 is formed in the low end of the inclined filter screen 17, and a cleaning assembly used for cleaning filter residues on the inclined filter screen 17 into the filter residue collecting groove 18 is further arranged in the shell 1. Waste water after the first photocatalysis module is treated is preliminarily filtered through the inclined filter screen 17, and the influence on the catalytic oxidation efficiency of the second photocatalysis module caused by the impurities in the waste water attached to the titanium dioxide catalyst particles 11 in the filter screen barrel 7 is avoided. The second water outlet 6 of the spiral water pipe 4 positioned at the lowest position among the plurality of spiral water pipes 4 corresponds to the high end position of the inclined filter screen 17.

Specifically, referring to fig. 2 and 3, the cleaning assembly in this embodiment includes a guide rail 19 mounted on the inner side wall of the housing 1, the sliding direction of the guide rail 19 is parallel to the upper end surface of the inclined filter screen 17, the cleaning assembly further includes a cleaning rod 20 and a waterproof electric telescopic rod 21, the cleaning rod 20 is slidably disposed on the slide rail through a slider, a cleaning brush 23 is disposed at one end of the cleaning rod 20 close to the inclined filter screen 17, and the waterproof electric telescopic rod 21 is used for driving the cleaning rod 20 to slide on the guide rail 19. Referring to fig. 1, a slag removing door 22 corresponding to the position of the residue collecting groove 18 is disposed on the side wall of the housing 1 in this embodiment, and the operator can conveniently and quickly clean the residue in the residue collecting groove 18 through the slag removing door 22 to perform the treatment.

Specifically, the inclined screen 17 in this embodiment has a larger diameter than the screen barrel 7, and the screen barrel 7 has a smaller diameter than the titania catalyst particles 11.

Referring to fig. 1, the side wall of the housing 1 in this embodiment is further provided with an observation window 24, and the height direction of the observation window 24 is the same as the height direction of the housing 1.

Further, referring to fig. 2, a first three-way electromagnetic valve 25 is installed on the first water inlet, the first three-way electromagnetic valve 25 includes a first inlet, a second inlet and a first outlet, the first outlet is respectively communicated with the first inlet or the second inlet, a second three-way electromagnetic valve 26 is installed outside the housing 1, the second three-way electromagnetic valve 26 includes a third inlet, a second outlet and a third outlet, and the third inlet is respectively communicated with the second outlet or the third outlet; a water inlet pipe 30 is arranged on the first inlet, a second water inlet 5 on the spiral water pipe 4 close to the first water inlet in the plurality of spiral water pipes 4 is communicated with the first outlet, the first water outlet 2 is communicated with the third inlet through a water conveying pipeline and a conveying pump 27, a water outlet pipe 31 is arranged on the second outlet, and the third outlet is communicated with the second inlet through a water conveying pipeline; the bottom still is equipped with water quality monitoring sensor 28 in the casing 1, and effluent treatment plant still includes PLC controller 29, and PLC controller 29 is connected with first three-way solenoid valve 25, second three-way solenoid valve 26, delivery pump 27, water quality monitoring sensor 28 control respectively.

Referring to fig. 2 and 7, when the wastewater treatment apparatus in this embodiment is used, the water quality monitoring sensor 28 is used to monitor the treated water quality, when the water quality reaches the emission standard, the controller controls the second three-way solenoid valve 26 to discharge the treated water quality through the drain pipe, and when the water quality treated by the first catalytic module and the second catalytic module does not reach the emission standard, the controller controls the second three-way solenoid valve 26 to re-enter the water treated by the first catalytic module and the second catalytic module into the housing 1 through the second inlet of the first three-way solenoid valve 25 for re-treatment until the water quality reaches the emission standard.

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 (10)

1. The wastewater treatment device is characterized by comprising a shell, wherein a first water inlet is formed in the top of the shell, a first water outlet is formed in the lower portion of the side wall of the shell, and a first photocatalytic module and a second photocatalytic module are sequentially arranged in the shell from top to bottom;

the first photocatalysis module comprises a plurality of ultraviolet lamp tubes which are sequentially arranged from top to bottom, the ultraviolet lamp tubes are horizontally arranged in the shell, a spiral water pipe is wound outside the ultraviolet lamp tubes, a second water inlet and a second water outlet are respectively arranged at two ends of the spiral water pipe, the spiral water pipes are sequentially connected in series, and a second water inlet on the spiral water pipe close to the first water outlet in the spiral water pipes is communicated with the first water inlet; the inner side wall of the spiral water pipe is provided with a titanium dioxide photocatalyst coating;

the second photocatalytic oxidation module is including locating filter screen bucket in the casing, the filter screen bucket is upper end open-ended hollow structure, the up end of filter screen bucket is equipped with the flanging, the flanging with the sealed fixed connection of casing inside wall, a plurality of titanium dioxide catalyst particles have been placed in the filter screen bucket, seted up on the casing inside wall with the corresponding mounting groove in filter screen bucket lateral wall position, install ultraviolet lamp pearl in the mounting groove.

2. The wastewater treatment device according to claim 1, wherein a first three-way solenoid valve is installed on the first water inlet, the first three-way solenoid valve comprises a first inlet, a second inlet and a first outlet, the first outlet is respectively communicated with the first inlet or the second inlet, a second three-way solenoid valve is installed outside the housing, the second three-way solenoid valve comprises a third inlet, a second outlet and a third outlet, and the third inlet is respectively communicated with the second outlet or the third outlet; a water inlet pipe is arranged on the first inlet, a second water inlet on a spiral water pipe close to the first water inlet in the plurality of spiral water pipes is communicated with the first outlet, the first water outlet is communicated with the third inlet through a water conveying pipeline and a conveying pump, a water outlet pipe is arranged on the second outlet, and the third outlet is communicated with the second inlet through a water conveying pipeline; the bottom still is equipped with water quality monitoring sensor in the casing, effluent treatment plant still includes the PLC controller, the PLC controller respectively with first three solenoid valve, second three solenoid valve, the delivery pump, water quality monitoring sensor control connection.

3. The wastewater treatment apparatus according to claim 1, wherein the open end of said installation groove is hermetically covered with a quartz glass plate.

4. The wastewater treatment device according to claim 1, further comprising an agitating mechanism, wherein the agitating mechanism comprises a driving motor and an agitating shaft, the driving motor is mounted at the bottom of the housing, one end of the agitating shaft is in transmission connection with the driving motor, the other end of the agitating shaft sequentially penetrates through the bottom wall of the housing and the bottom wall of the filter screen barrel and then is positioned in the filter screen barrel, and the agitating shaft is provided with a cross agitating blade.

5. The wastewater treatment device of claim 4, wherein the bottom wall of the housing is further provided with an annular aeration disc, and the annular aeration disc is communicated with an ozone generator arranged outside the housing through a gas transmission pipeline.

6. The wastewater treatment apparatus according to claim 1, wherein a filter module is further disposed in the housing between the first photocatalytic module and the second photocatalytic module; the filter module comprises an inclined filter screen, the outer side wall of the inclined filter screen is fixedly connected with the inner side wall of the shell in a sealing mode, the lower end of the inclined filter screen is provided with a filter residue collecting tank, and a cleaning assembly used for cleaning filter residues on the inclined filter screen into the filter residue collecting tank is further arranged in the shell.

7. The wastewater treatment device according to claim 6, wherein the cleaning assembly comprises a guide rail mounted on the inner side wall of the housing, the guide rail slides in a direction parallel to the upper end surface of the inclined filter screen, the cleaning assembly further comprises a cleaning rod and a waterproof electric telescopic rod, the cleaning rod is slidably disposed on the guide rail through a sliding block, a cleaning brush is disposed at one end of the cleaning rod close to the inclined filter screen, and the waterproof electric telescopic rod is used for driving the cleaning rod to slide on the guide rail.

8. The wastewater treatment plant of claim 6, wherein the housing sidewall is provided with a slag door corresponding to the location of the residue collection tank.

9. The wastewater treatment plant of claim 6 wherein the inclined screen has a larger diameter than the screen barrel.

10. The wastewater treatment apparatus according to claim 1, wherein the side wall of the housing is provided with an observation window, and the height direction of the observation window is identical to the height direction of the housing.

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