CN112811744B - 5-level series water purification equipment and process with precipitation biological oxidation photocatalysis - Google Patents

Abstract

The invention discloses 5-stage series water purification equipment with precipitated biological oxidation photocatalysis and a process thereof, wherein the 5-stage series water purification equipment comprises a landscape water tank, a controller, a low water level sensor, a high water level sensor, a water quality detector and 5-stage series water purification equipment, the 5-stage series water purification equipment comprises a sewage pond, a sedimentation pond, a two-stage microbial purification pond and a clean water pond which are connected with the landscape water tank, the sewage pond is electrically connected with the sedimentation pond, a sedimentation inlet communicated with a first water suction pump is arranged above the sedimentation pond, a first sealing chamber is arranged at the center below the sedimentation inlet, a first motor is arranged in the first sealing chamber, the output of the first motor is connected with a wire winding disc, a steel wire rope is wound on the wire winding disc, an installation frame is connected after the lower part of the steel wire rope extends out of the first sealing chamber, a U-shaped sedimentation filter screen with an upward opening is connected below the installation frame, and the two-stage microbial purification pond comprises a first microbial filter pond and a second microbial treatment pond. The invention improves the sewage treatment effect.

Description

5-level series water purification equipment and process with precipitation biological oxidation photocatalysis

Technical Field

The invention relates to the technical field of water purification treatment equipment, in particular to 5-level serial water purification equipment with precipitation biological oxidation photocatalysis and a process thereof.

Background

Along with the continuous development of cities, more and more residential districts are provided with landscape ponds, but as most of landscape water bodies in the existing residential districts are static closed systems, the reoxygenation capacity of the water bodies is poor, the self-purification capacity is limited, the water quality is difficult to maintain for a long time, and pollutants in the water generate anaerobic reaction due to oxygen deficiency, so that unpleasant gas is emitted, and the urban residential districts are particularly serious in summer. In addition, nutrient substances such as nitrogen, phosphorus and the like in the landscape water body are enriched, so that algae are abnormally proliferated to generate water bloom or lake indigo, the transparency of the water body is reduced, dissolved oxygen is reduced, water quality is deteriorated, and the water bloom appears seriously, so that the algae in the water are massively proliferated, the water body becomes black and smelly, the surrounding natural environment and the living environment of residents are damaged, the spread of the surrounding residents is caused, even the complaints of the residents are met, and the method runs counter to the original intention of improving the living conditions of the residents.

Therefore, how to realize automatic detection, automatic treatment and purification of landscape water and finally ensure that the landscape water does not generate a great number of problems such as water body odor, algae mass propagation and the like is very important.

Disclosure of Invention

The invention aims to provide 5-level serial water purification equipment with precipitation biological oxidation photocatalysis, which aims to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a 5 grades of water purification unit that establishes ties with biological oxidation photocatalysis of sediment, includes view pond and controller, is provided with low water level sensor, high water level sensor and the water quality testing ware of being connected with the controller electricity in the view pond, water quality testing ware be used for detecting ammonia nitrogen content, pH value, suspended solid, chemical oxygen demand COD, total phosphorus ammonia nitrogen of quality of water, be provided with 5 grades of water purification unit that establishes ties at the side of view pond, 5 grades of water purification unit that establishes ties include blowdown pond, sedimentation tank, two-stage microorganism purification tank and clean water basin, be provided with the mouth of intaking on the blowdown pond, the mouth of intaking is through connecting pipe and view pond bottom intercommunication, is provided with the first motorised valve of being connected with the controller electricity on the connecting pipe, the blowdown pond is connected with the sedimentation tank electricity through first suction pump, is provided with the sediment entry of first suction pump intercommunication above the sedimentation tank, a first sealing chamber is arranged at the center below the precipitation inlet, a first motor is arranged in the first sealing chamber, the output of the first motor is connected with a wire spool, a steel wire rope is wound on the wire spool, a mounting frame is connected after the steel wire rope extends out of the first sealing chamber, a U-shaped precipitation filter screen with an upward opening is connected below the mounting frame, a main steel pipe is arranged at the center in the U-shaped precipitation filter screen, more than one connecting steel pipe is distributed outside the main steel pipe in an annular mode, the other end of each connecting steel pipe is connected with the inside of the U-shaped precipitation filter screen, two sides of the upper end of the U-shaped precipitation filter screen are respectively and rotatably connected with an upward extending C-shaped filtering holder through a first rotating shaft, the openings of the two C-shaped filtering holders are matched to form a barrel filter screen, and the first rotating shaft is connected through a second motor, the lower end of the U-shaped sedimentation filter screen is connected with a sewage outlet at the lower part through a telescopic hose, the other end of the sewage outlet is connected with a sludge compressor, the output of the sludge compressor discharges compressed sludge, the water outlet of the sludge compressor is connected with a sedimentation tank through a return pipe, the side edge of the sedimentation tank is provided with a second water pump of which the input end extends into a two-stage microorganism purification tank, the two-stage microorganism purification tank comprises a first microorganism filtering tank and a second microorganism processing tank, a connecting frame is arranged above the first microorganism filtering tank, the lower end of the connecting frame is connected with a second sealing chamber, a motor bracket is arranged in the second sealing chamber, a third motor is arranged at the front and the back of the motor bracket, the output of the third motor is respectively connected with a second rotating shaft, the second rotating shaft is rotatably connected with an inverted J-shaped steel wire bracket, two steel wire brackets are symmetrically arranged and matched to form a U-shaped steel wire frame with a downward opening, more than one steel wire connecting rod is transversely inserted into each steel wire bracket, more than one filler rod is inserted into each steel wire connecting rod at intervals, the output of a second water suction pump is positioned above the U-shaped steel wire frame, a transverse pipe is connected below each steel wire bracket, more than one fiber filler wire is suspended on the transverse pipe, the second microbial treatment tank comprises an outer chamber and an inner chamber, a movable gap is formed between the outer chamber and the inner chamber, microbial carriers are filled in the movable gap, a screen is arranged between the outer chamber and the inner chamber, more than one micro aeration head is arranged in the inner chamber and the first microbial filter tank, the bottom of the first microbial filter tank is communicated with the inner chamber, an ultraviolet sterilization lamp is arranged in the clean water tank, and the clean water tank is communicated with a landscape water tank through a third water suction pump, the branch road of third suction pump and view pond intercommunication is provided with the second motorised valve of being connected with the controller electricity, simultaneously the dirty mouthful of advancing can also connect the domestic sewage pipe, still be connected with direct discharge port on the pipeline of third suction pump and view pond intercommunication, be connected with the third motorised valve on direct discharge port.

In order to realize the high accuracy detection to sewage, the controller is arranged in on the base of view pond side, still is provided with first water pump on the base, the input port and the view pond of first water pump are connected, the output connection of first water pump has sealed diluting bin, is provided with the smell detector who is used for detecting smelly threshold value with diluting the bin intercommunication at diluting bin's side, the smell detector is connected with the controller electricity.

Preferably, a stretchable tube is connected to the two transverse tubes, one or more fiber filler bundles are suspended from the stretchable tube, and the lower fiber filler bundles are all compacted when the stretchable tube is wrinkled.

For the convenient dismantlement filler in later stage, each filler rod is including last connecting portion and the lower connecting portion that is located horizontal pipe from top to bottom, it is provided with internal thread section to go up the connecting portion lower extreme, be provided with on lower connecting portion with internal thread section complex external screw thread section, be provided with the connect the through-hole that is convenient for external screw thread section to pass on horizontal pipe, the link is installed on the lid door, lid door demountable installation is above first microbial filtration pond.

In order to adjust the height of the filler, the upper end of the connecting frame is connected with a first air cylinder positioned on the first microorganism filtering tank, and the first air cylinder is arranged in the third sealing chamber.

In order to limit the microorganism carriers, the screen comprises an inner screen positioned outside the inner chamber and an outer screen positioned outside the outer chamber, and the movable gap is formed between the inner screen and the outer screen.

In order to improve the filtering efficiency, a primary filter screen is arranged on the sewage inlet.

In order to improve the reflux efficiency, a fourth suction pump is connected to the reflux pipe.

The invention also discloses a 5-level serial water purification process with the precipitation biological oxidation photocatalysis function, which comprises 5-level serial water purification equipment with the precipitation biological oxidation photocatalysis function, and the equipment specifically comprises the following equipment:

s1, monitoring the water quality of a landscape pool in real time through a water quality detector, and starting a first electric valve to work by a controller when the ammonia nitrogen content or the PH value or the suspended matters or the chemical oxygen demand or the total phosphorus ammonia nitrogen content in the water is larger than a preset threshold value until a low water level sensor detects a signal, and then closing the first electric valve;

s2, the landscape water tank is conveyed into 5-level serial water purification equipment, a sewage discharge tank is used for collecting wastewater, the collected wastewater is conveyed into a sedimentation tank, a U-shaped sedimentation filter screen in the sedimentation tank is used for filtering and sedimentation of the wastewater, the filtered wastewater flows out of the U-shaped sedimentation filter screen and is retained in the sedimentation tank, and sludge is retained in the U-shaped sedimentation filter screen of the sedimentation tank;

s3, pumping the sewage after sludge filtration into a first microbial filtering tank through a second water suction pump, utilizing a filler rod for adsorbing suspended matters in the water, and simultaneously utilizing lower fiber filler wires for removing phosphorus and nitrogen in the water;

s4, the treated sewage enters a second microorganism treatment tank, microorganisms in the microorganism carriers in the second microorganism treatment tank are dormant in the movable gaps through low-temperature airing and drying in the earlier stage of the microorganism carriers in the second microorganism treatment tank to form a microorganism culture bed, then high-pressure aeration is performed through a micro aeration head of the second microorganism treatment tank, microorganism strains can rapidly regenerate in the movable gaps, and the sewage is treated to remove BOD in the water;

s5, enabling the treated clean water to enter a clean water tank, sterilizing by using an ultraviolet lamp, pumping the clean water back to the landscape water tank by using a third water pump, circularly treating the landscape water until a high water level sensor detects a signal, stopping pumping the water by using the third water pump, judging that the sewage tank is a domestic sewage treatment environment when a large amount of water flow enters the sewage tank when a first electric valve is stopped, and starting a third electric valve to treat and discharge the water;

further, the fiber filler yarn in step S2 is a titanium dioxide-loaded polymer fiber yarn.

The invention has the following technical effects: 1. the landscape water detection can be realized, and once the water quality file of the landscape water is found, the sewage is automatically purified; the influence on the surrounding resident environment caused by the odor of the water quality is avoided; 2. the specific filler structure arrangement is carried out on the fillers in the first microbial filtration tank, so that the purification treatment process of the sewage is further improved; 3. the sludge filtering effect is further improved by setting the structure of the filtering net, meanwhile, the storage volume of the sludge is improved by setting the size of the sludge filtering opening which can be adjusted, when the sludge needs to be adjusted, the opening of the C-shaped filtering holder is driven to outwards expand or inwards shrink by driving the second motors on two sides to rotate, so that the sludge storage volume is conveniently expanded or the opening is conveniently reduced, once the sludge enters, the sludge cannot be discharged, the filtering effect on the sludge and water is further improved, meanwhile, the height of the whole U-shaped precipitation filtering net is adjusted by matching the steel wire rope and the wire winding disc above the U-shaped precipitation filtering net, and the filtering effect is improved; 4. through setting up the microbial carrier in the second microbiological treatment pond, and the microbial carrier is through low temperature sunning and mummification earlier stage and makes the microorganism in the microbial carrier be in the dormancy in the activity space, constitutes the microorganism and cultivates the bed, then produces through the little aeration head of second microbiological treatment pond and carries out high pressure aeration, and the microbial strain can be regenerated fast in the activity space, further improves purifying effect.

Drawings

FIG. 1 is a schematic diagram showing the structure of a 5-stage water purification apparatus connected in series and having a photocatalytic oxidation by a precipitation organism in example 1;

FIG. 2 is a side view of a motor holder and two motors in embodiment 1;

FIG. 3 is a top view of the U-shaped sediment screen of example 1;

FIG. 4 is an enlarged view taken at A of FIG. 1;

FIG. 5 is a schematic view showing the structure of a second microorganism treatment tank in example 1;

FIG. 6 is a schematic diagram showing the structure of the U-shaped steel wire frame, the filler rods and the fiber filler wires in example 1;

FIG. 7 is a schematic diagram showing the structure of a 5-stage water purification apparatus connected in series and having a photocatalytic oxidation by a precipitation organism in example 2;

FIG. 8 is a schematic structural view of a U-shaped steel wire frame, filler rods and fiber filler wires in example 3;

FIG. 9 is a schematic diagram showing the structure of a 5-stage water purification apparatus connected in series and having a photocatalytic effect of precipitated biological oxidation in example 4;

FIG. 10 is a schematic view showing the structure of one of the transverse tubes and a filler rod in example 4;

FIG. 11 is a schematic view showing the structure of a 5-stage water purification apparatus connected in series and having a photocatalytic oxidation by a precipitation organism in example 5;

FIG. 12 is an enlarged view at B of FIG. 11;

FIG. 13 is a schematic diagram showing the structure of a 5-stage water purification apparatus connected in series in example 6, which has a photocatalytic effect of precipitated biological oxidation.

In the figure: a landscape pool 1; a controller 2; a low water level sensor 3; a high water level sensor 4; a water quality detector 5; a sewage disposal pool 6; a sedimentation tank 7; a clean water tank 8; a sewage inlet 9; a connecting pipe 10; a first electrically operated valve 11; a first water pump 12; a precipitation inlet 13; a first sealed chamber 14; a first motor 15; a wire spool 16; a steel wire rope 17; a mounting frame 18; a U-shaped precipitation screen 19; a main body steel pipe 20; a connecting steel pipe 21; a first rotating shaft 22; a C-shaped filtering holder 23; a second motor 24; a sludge compressor 26; a second suction pump 27; a first microbial filtration tank 28; a second microbial treatment tank 29; a connecting frame 30; a second sealed chamber 31; a motor bracket 32; a third motor 33; a second rotating shaft 34; a wire holder 35; a U-shaped wire frame 36; a wire link 37; a filler rod 38; fibrous filler filaments 39; an outer chamber 40; an inner chamber 41; a movable gap 42; a microbial carrier 43; a screen 44; a micro-aeration head 45; an ultraviolet germicidal lamp 46; a third suction pump 47; a second electrically operated valve 48; a base 49; a first water pump 50; a dilution bin 51; an odor detector 52; a return pipe 53; a tension tube 54; a fiber filler bundle 55; an upper connecting portion 56; a lower connecting portion 57; an internal thread segment 58; an external threaded section 59; a connecting through-hole 60; a first cylinder 61; a third sealed chamber 62; an inner screen 44-1; an outer screen 44-2; a transverse tube 63; a primary filter screen 64; a drain outlet 65; a fourth suction pump 66; a cover door 67, a direct drain 68, a third electro valve 69.

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.

Example 1

As shown in fig. 1-6, the 5-stage series water purification device with photocatalysis and biological oxidation of precipitation disclosed in this embodiment comprises a landscape pool 1 and a controller 2, wherein a low water level sensor 3, a high water level sensor 4 and a water quality detector 5 electrically connected with the controller 2 are arranged in the landscape pool 1, the water quality detector 5 is used for detecting ammonia nitrogen content, PH value, suspended matters, chemical oxygen demand COD and total phosphorus ammonia nitrogen of water quality, the 5-stage series water purification device is arranged on the side of the landscape pool 1, the 5-stage series water purification device comprises a sewage discharge pool 6, a sedimentation pool 7, a two-stage microorganism purification pool and a clean water pool 8, a sewage inlet 9 is arranged on the sewage discharge pool 6, the sewage inlet 9 is communicated with the bottom of the landscape pool 1 through a connecting pipe 10, a first electric valve 11 electrically connected with the controller 2 is arranged on the connecting pipe 10, the sewage discharge pool 6 is electrically connected with the sedimentation pool 7 through a first water pump 12, a precipitation inlet 13 communicated with a first water pump 12 is arranged above the sedimentation tank 7, a first sealing chamber 14 is arranged at the center below the precipitation inlet 13, a first motor 15 is arranged in the first sealing chamber 14, the output of the first motor 15 is connected with a wire reel 16, a steel wire rope 17 is wound on the wire reel 16, an installation frame 18 is connected to the lower portion of the steel wire rope 17 after extending out of the first sealing chamber 14, a U-shaped precipitation filter screen 19 with an upward opening is connected to the lower portion of the installation frame 18, a main steel pipe 20 is arranged at the center in the U-shaped precipitation filter screen 19, more than one connecting steel pipe 21 is distributed outside the main steel pipe 20 in a circular mode, the other end of each connecting steel pipe 21 is connected with the U-shaped precipitation filter screen 19 in an internal connection mode, and the two sides of the upper end of the U-shaped precipitation filter screen 19 are respectively connected with an upward extending C-shaped filtering clamp seat 23 through a first rotating shaft 22 in a rotating mode Two C-shaped filtering holders 23 are matched with each other in an opening manner to form a barrel filter screen, the first rotating shaft 22 is connected with the second motor 24, the lower end of the U-shaped settling filter screen 19 is connected with a drain 65 below through a telescopic hose 25, the other end of the drain 65 is connected with a sludge compressor 26, the output of the sludge compressor 26 discharges compressed sludge, the water outlet of the sludge compressor 26 is connected with the sedimentation tank 7 through a return pipe 53, the side edge of the sedimentation tank 7 is provided with a second water suction pump 27 of which the input end extends into the two-stage microbial purification tank, the two-stage microbial purification tank comprises a first microbial filtration tank 28 and a second microbial treatment tank 29, a connecting frame 30 is arranged above the first microbial filtration tank 28, the lower end of the connecting frame 30 is connected with a second sealing chamber 31, a motor support 32 is arranged in the second sealing chamber 31, and a third motor 33 is arranged around the motor support 32, the output of the third motor 33 is respectively connected with a second rotating shaft 34, the second rotating shaft 34 is rotatably connected with inverted J-shaped steel wire brackets 35, the two steel wire brackets 35 are symmetrically arranged and matched to form a U-shaped steel wire frame 36 with a downward opening, more than one steel wire connecting rod 37 is transversely inserted on the steel wire brackets 35, more than one filler rod 38 arranged at intervals is inserted on each steel wire connecting rod 37, the output of the second water pump 27 is positioned above the U-shaped steel wire frame 36, a transverse pipe 63 is connected below each steel wire bracket 35, more than one fiber filler wire 39 is suspended on the transverse pipe 63, the second microorganism processing tank 29 comprises an outer chamber 40 and an inner chamber 41 with a movable gap 42 therebetween, a microorganism carrier 43 is filled in the movable gap 42, and a screen 44 is arranged between the outer chamber 40 and the inner chamber 41, all be provided with more than one little aeration head 45 in interior 41 and first microbial filtration pond 28, first microbial filtration pond 28 bottom link up with interior 41, be provided with ultraviolet germicidal lamp 46 in clean water basin 8, clean water basin 8 communicates with view pond 1 through third suction pump 47, be provided with the second motorised valve 48 of being connected with controller 2 electricity on the branch road of third suction pump 47 and view pond 1 intercommunication, simultaneously sewage inlet 9 can also connect the domestic sewage pipe, still be connected with direct discharge port 68 on the pipeline of third suction pump 47 and view pond 1 intercommunication, be connected with third motorised valve 69 on direct discharge port 68. The filler rods described in this example are ceramic filler rods.

When the structure works, firstly, the water quality of the landscape pool 1 is monitored in real time through the water quality detector 5, when the ammonia nitrogen content or PH value or suspended matters or chemical oxygen demand or total phosphorus ammonia nitrogen content in the water is larger than a preset threshold value, the controller 2 starts the first electric valve 11 to work until the low-water level sensor 3 detects a signal, and then the first electric valve 11 is closed; the landscape water tank 1 is sent into 5-level serial water purification equipment, firstly, the sewage discharge tank 6 is used for collecting wastewater, then the collected wastewater is sent into the sedimentation tank 7, the U-shaped sedimentation filter screen 19 in the sedimentation tank 7 is used for filtering and sedimentation the wastewater, the filtered wastewater flows out of the U-shaped sedimentation filter screen 19 and is retained in the sedimentation tank 7, and the sludge is retained in the U-shaped sedimentation filter screen 19 of the sedimentation tank 7; pumping the sewage after filtering the sludge into a first microorganism filtering tank 28 through a second water suction pump 27, utilizing a filler rod 38 for adsorbing suspended matters in the water, and simultaneously utilizing a lower fiber filler wire 39 for removing phosphorus and nitrogen in the water; then the treated sewage enters a second microorganism treatment tank 29, microorganisms in the microorganism carriers 43 in the second microorganism treatment tank 29 are dormant in the movable gaps 42 to form a microorganism culture bed due to low-temperature airing and drying of the microorganism carriers 43 in the second microorganism treatment tank 29 in the early stage, and then high-pressure aeration is generated through a micro aeration head 45 of the second microorganism treatment tank 29, so that microorganism strains can rapidly regenerate in the movable gaps 42 to treat the sewage to remove BOD (biochemical oxygen demand) in the water; the treated clean water enters the clean water tank 8, is sterilized by an ultraviolet lamp, is pumped back to the landscape water tank 1 by the third water suction pump 47, is circulated to treat the landscape water until the high water level sensor 4 detects a signal, and the third water suction pump 47 stops pumping water, so that the circulating treatment process of the landscape water is finally realized. Therefore, the structure has the following technical advantages: 1. the landscape water detection can be realized, and once the water quality file of the landscape water is found, the sewage is automatically purified; the influence on the surrounding resident environment caused by the odor of the water quality is avoided; 2. the specific filler structure arrangement is carried out on the fillers in the first microorganism filtering tank 28, so that the purification treatment process of the sewage is further improved; 3. the sludge filtering effect is further improved by setting the structure of the filtering net, meanwhile, the storage volume of the sludge is improved by setting the size of the sludge filtering opening which can be adjusted, when the sludge needs to be adjusted, the opening of the C-shaped filtering holder 23 is driven to rotate by driving the second motors at two sides to expand outwards or contract inwards, so that the sludge storage volume is conveniently expanded or the opening is conveniently reduced, once the sludge enters, the sludge cannot be discharged, the filtering effect on the sludge and water is further improved, meanwhile, the height adjustment of the whole U-shaped precipitation filtering net 19 is realized by the matching of the steel wire rope 17 and the wire spool above, and the filtering effect is improved; 4. the microorganism carrier 43 is arranged in the second microorganism treatment tank 29, and the microorganism in the microorganism carrier 43 is dormant in the movable gap 42 through low-temperature airing and drying of the microorganism carrier 43 in the early stage to form a microorganism culture bed, and then high-pressure aeration is performed through the generation of the micro aeration head 45 of the second microorganism treatment tank 29, so that microorganism strains can be rapidly regenerated in the movable gap 42, and the purification effect is further improved. The microorganism carrier 43 in the present embodiment includes a carrier for internally storing microorganisms, which is prior art and thus will not be described in detail.

In order to improve the reflux efficiency, a fourth suction pump 66 is connected to the reflux pipe 53, and the reflux efficiency of water is improved by providing the fourth suction pump 66.

As shown in FIG. 5, in order to limit the microorganism carriers, the screen 44 comprises an inner screen 44-1 positioned outside the inner chamber 41 and an outer screen 44-2 positioned outside the outer chamber 40, the movable gap 42 is formed between the inner screen 44-1 and the outer screen 44-2, and the microorganism carriers are limited between the outer screen 44-2 and the inner screen 44-1 to avoid flowing through the structural arrangement.

The embodiment also discloses a 5-level serial water purification process with the precipitation biological oxidation photocatalysis, which comprises 5-level serial water purification equipment with the precipitation biological oxidation photocatalysis, and the equipment specifically comprises the following equipment:

s1, monitoring the water quality of a landscape pool 1 in real time through a water quality detector 5, and when the ammonia nitrogen content, the PH value, the suspended matters, the chemical oxygen demand or the total phosphorus ammonia nitrogen content in the water is larger than a preset threshold value, starting a first electric valve 11 by a controller 2 to work until a low water level sensor 3 detects a signal, and then closing the first electric valve 11;

s2, the landscape water tank 1 is sent into 5-stage series water purification equipment, the sewage discharge tank 6 is used for collecting wastewater, then the collected wastewater is sent into the sedimentation tank 7, the U-shaped sedimentation filter screen 19 in the sedimentation tank 7 is used for filtering and settling the wastewater, the filtered wastewater flows out of the U-shaped sedimentation filter screen 19 and is retained in the sedimentation tank 7, and the sludge is retained in the U-shaped sedimentation filter screen 19 of the sedimentation tank 7;

s3, pumping the sewage after sludge filtration into a first microorganism filtering tank 28 through a second water suction pump 27, utilizing a filler rod 38 for adsorbing suspended matters in the water, and simultaneously utilizing a fiber filler wire 39 below to remove phosphorus and nitrogen in the water;

s4, the treated sewage enters a second microorganism treatment tank 29, microorganisms in the microorganism carriers 43 in the second microorganism treatment tank 29 are dormant in the movable gaps 42 due to low-temperature airing and drying at the earlier stage of the microorganism carriers 43 in the second microorganism treatment tank 29 to form a microorganism culture bed, then high-pressure aeration is performed through a micro aeration head 45 of the second microorganism treatment tank 29, microorganism strains can rapidly regenerate in the movable gaps 42, and the sewage is treated to remove BOD in the water;

and S5, the treated clean water enters the clean water tank 8, sterilization is carried out by an ultraviolet lamp, then the treated clean water is pumped back to the landscape water tank 1 by the third water suction pump 47, landscape water is circularly treated until the high water level sensor 4 detects a signal, the third water suction pump 47 stops pumping water, meanwhile, when the first electric valve 11 is in a stop state and a large amount of water flow enters the sewage tank 6, the environment is judged to be a domestic sewage treatment environment, and at the moment, the third electric valve 69 is started to carry out water treatment and discharge water.

The invention realizes 5-stage series connection water purification process of sewage discharge separation by setting up precipitation high-efficiency filtration capable of moving up and down, 2 sections of biological contact oxidation treatment and disinfection and clarification treatment, finally realizes automatic circulation purification process of landscape sewage and simultaneously can realize high-efficiency automatic purification and filtration effect of domestic sewage.

Further, the fibrous filler yarn 39 in step S2 is a titanium dioxide-supported polymer fiber yarn. The titanium dioxide-loaded polymer fiber described in this example is an invention patent applied by this company in 2014, and the patent number is 201410059462.0.

The sewage after the embodiment is treated is subjected to experimental test by the lower part, and the high ammonia nitrogen sewage or the domestic sewage in the experimental landscape pool is sent into 5-level series water purification equipment for cyclic treatment.

Conclusion of the experiment

In conclusion, after continuous operation for more than one month, the concentration of the ammonia nitrogen in the inlet water is 40-60mg/L, and the ammonia nitrogen, BOD and COD in the outlet water can reach the first-level A standard of the sewage discharge standard.

Example 2

As shown in fig. 7, in order to realize high-precision detection of sewage, the controller 2 is disposed on a base 49 at a side of the landscape pool 1, a first water pump 50 is further disposed on the base 49, an input port of the first water pump 50 is connected to the landscape pool 1, an output of the first water pump 50 is connected to a sealed diluting bin 51, an odor detector 52 for detecting an odor threshold value is disposed at a side of the diluting bin 51, the odor detector 52 is electrically connected to the controller 2, by the above-mentioned configuration, after a part of water in the landscape pool 1 is extracted by the first water pump 50 and sent to the diluting bin 51 to be mixed and diluted with the water therein, the odor of the diluted water is detected by the odor detector 52, and when the water quality is detected by the water quality detector 5 and the water quality is also abnormal, the water quality is detected, the water in the landscape pool 1 is subjected to 5-stage series connection purified water treatment, so as to further improve the high-precision detection effect of sewage, and a water inlet 51 is disposed on the diluting bin 51.

Example 3

As shown in fig. 8, in the 5-stage tandem water purification apparatus with a photocatalytic effect of precipitated biological oxidation disclosed in the present embodiment, preferably, the two lateral pipes 63 are connected to the stretchable pipes 54, the stretchable pipes 54 are hung with one or more fiber packing bundles 55, and when the stretchable pipes 54 are pleated, the lower fiber packing bundles 55 are all compacted, and the range of the water purification treatment in the lower part is expanded by the above-described arrangement.

Example 4

As shown in fig. 9 and 10, in the 5-stage series water purification apparatus with photocatalysis of oxidation of precipitated organisms disclosed in this embodiment, in order to facilitate later removal of the packing, each packing rod 38 includes an upper connecting portion 56 and a lower connecting portion 57 located above and below a transverse pipe 63, the lower end of the upper connecting portion 56 is provided with an internal thread section 58, the lower connecting portion 57 is provided with an external thread section 59 matched with the internal thread section 58, the transverse pipe 63 is provided with a connecting through hole 60 for allowing the external thread section 59 to pass through, through the above-mentioned structure, when the packing needs to be replaced, the corresponding packing rod 38 can be removed by unscrewing the upper connecting portion 56 and the lower connecting portion 57, and for later removal, therefore, a cover door 67 needs to be provided at the upper end of the first microbial filtration tank 28, the cover door 67 is detachably covered above the first microbial filtration tank 28, and the connecting frame 30 is installed on the cover door 67 for convenient removal.

Example 5

As shown in fig. 11 and 12, in the 5-stage tandem water purification apparatus with photocatalysis and biological oxidation of precipitation disclosed in this embodiment, in order to adjust the height of the filler, the upper end of the connecting frame 30 is connected with the first cylinder 61 located on the first microorganism filtering tank 28, the first cylinder 61 is arranged in the third sealed chamber 62, the height of the connecting frame 30 is adjusted by the operation of the first cylinder 61 through the above-mentioned structure, and finally the height of the filler is adjusted, so that the treatment effect is further improved, and meanwhile, the stirring effect on the sewage is realized during the adjustment, the fluidity of the water quality is ensured, and the purification effect is improved.

Example 6

As shown in fig. 13, in the 5-stage water purification apparatus with the photocatalysis of biological oxidation by precipitation disclosed in this embodiment, in order to improve the filtration efficiency, the primary filter screen 64 is disposed on the sewage inlet 9, and by disposing the primary filter screen 64, the sewage sent into the sewage disposal pool 6 is further primarily filtered to filter some large garbage.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The utility model provides a 5 level series connection water purification unit with deposit biological oxidation photocatalysis, includes view pond (1) and controller (2), its characterized in that: be provided with low water level sensor (3), high water level sensor (4) and water quality detector (5) that are connected with controller (2) electricity in view pond (1), water quality detector (5) be used for detecting the ammonia nitrogen content of quality of water, PH value, suspended solid, chemical oxygen demand COD, total phosphorus ammonia nitrogen, be provided with 5 grades of water purification unit that establishes ties at the side of view pond (1), 5 grades of water purification unit that establishes ties including blowdown pond (6), sedimentation tank (7), two-stage microorganism purification pond and clean water basin (8), be provided with on blowdown pond (6) and advance dirty mouthful (9), advance dirty mouthful (9) and communicate with view pond (1) bottom through connecting pipe (10), be provided with first motorised valve (11) of being connected with controller (2) electricity on connecting pipe (10), blowdown pond (6) are connected with sedimentation tank (7) electricity through first suction pump (12), be provided with the sediment entry (13) of first suction pump (12) intercommunication above sedimentation tank (7), be provided with first sealed wire winding chamber (14) in the below of sedimentation inlet (13), be provided with first wire winding chamber (15) sealed rope reel (16) in the wire winding chamber (15), the lower part of the steel wire rope (17) stretches out of the first sealing chamber (14) and then is connected with a mounting frame (18), the lower part of the mounting frame (18) is connected with a U-shaped precipitation filter screen (19) with an upward opening, a main steel pipe (20) is arranged at the center in the U-shaped precipitation filter screen (19), more than one connecting steel pipe (21) is distributed outside the main steel pipe (20), the other end of each connecting steel pipe (21) is connected with the U-shaped precipitation filter screen (19) in an internal connection manner, the upper end two sides of the U-shaped precipitation filter screen (19) are respectively connected with a C-shaped filtering clamp seat (23) extending upwards through a first rotating shaft (22) in a rotating manner, the two C-shaped filtering clamp seats (23) are matched with each other to form a barrel filter screen, the first rotating shaft (22) is connected with a sewage draining port (65) below through a telescopic hose (25) at the lower end of the U-shaped precipitation filter screen (19), the other end of the sewage draining port (65) is connected with a compressor (26), the output of the return pipe compressor (26) discharges and compresses a water pumping device, the sludge compressor (26), and the sludge purification and the two biological sedimentation tanks (7) comprise a microbial purification and biological treatment inlet (7) and a microbial sedimentation tank (7) which are connected with a second-level biological filtration tank, the device is characterized in that a connecting frame (30) is arranged above the first microbial filter tank (28), a second sealed chamber (31) is connected to the lower end of the connecting frame (30), a motor support (32) is arranged in the second sealed chamber (31), a third motor (33) is arranged in front of and behind the motor support (32), the output of the third motor (33) is respectively connected with a second rotating shaft (34), the second rotating shaft (34) is rotatably connected with an inverted J-shaped steel wire support (35), the two steel wire supports (35) are symmetrically arranged and matched to form a U-shaped steel wire frame (36) with a downward opening, more than one steel wire connecting rod (37) is transversely inserted into the steel wire support (35), more than one filler rod (38) arranged at intervals is inserted into each steel wire connecting rod (37), the output of the second water suction pump (27) is arranged above the U-shaped steel wire frame (36), a transverse pipe (63) is connected below each steel wire support (35), more than one fiber filler wire (39) is suspended on the transverse pipe (63), a gap exists between the second microbial filter tank (29), a gap (40) for treating the inner chamber, and a carrier (41) is arranged outside the microbial filter tank, and a gap (41) exists between the outer microbial filter tank, and a carrier (41), all be provided with more than one micro-aeration head (45) in inner room (41) and first microbial filtration pond (28), first microbial filtration pond (28) bottom link up with inner room (41), be provided with ultraviolet germicidal lamp (46) in clean water basin (8), clean water basin (8) are through third suction pump (47) and view pond (1) intercommunication, be provided with second motorised valve (48) of being connected with controller (2) electricity on the branch road of third suction pump (47) and view pond (1) intercommunication, simultaneously sewage inlet (9) can also be connected the domestic sewage pipe, still be connected with direct discharge port (68) on the pipeline of third suction pump (47) and view pond (1) intercommunication, be connected with third motorised valve (69) on direct discharge port (68).

2. The water purification apparatus with precipitated bio-oxidation photocatalysis in 5-stage series connection of claim 1, wherein: the controller (2) is arranged on a base (49) on the side of the landscape pool (1), a first water pump (50) is further arranged on the base (49), an input port of the first water pump (50) is connected with the landscape pool (1), the output of the first water pump (50) is connected with a sealed diluting bin (51), an odor detector (52) which is communicated with the diluting bin (51) and used for detecting an odor threshold value is arranged on the side of the diluting bin (51), and the odor detector (52) is electrically connected with the controller (2).

3. The water purification apparatus with precipitated biological oxidation photocatalysis in 5-stage series connection of claim 1, characterized in that: a stretchable tube (54) is connected to the two transverse tubes (63), one or more fiber filler bundles (55) are suspended from the stretchable tube (54), and when the stretchable tube (54) is folded, the lower fiber filler bundles (55) are all compacted together.

4. The water purification apparatus with precipitated bio-oxidation photocatalysis in 5-stage series connection of claim 1, wherein: each filler rod (38) comprises an upper connecting part (56) and a lower connecting part (57) which are positioned above and below a transverse pipe (63), an internal thread section (58) is arranged at the lower end of the upper connecting part (56), an external thread section (59) matched with the internal thread section (58) is arranged on the lower connecting part (57), a connecting through hole (60) convenient for the external thread section (59) to pass through is arranged on the transverse pipe (63), the connecting frame (30) is installed on a cover door (67), and the cover door (67) is detachably installed above the first microorganism filtering tank (28).

5. The water purification apparatus with precipitated bio-oxidation photocatalysis in 5-stage series connection of claim 1, wherein: the upper end of the connecting frame (30) is connected with a first air cylinder (61) positioned on the first microorganism filtering pool (28), and the first air cylinder (61) is arranged in the third sealing chamber (62).

6. The water purification apparatus with precipitated bio-oxidation photocatalysis in 5-stage series connection of claim 1, wherein: the screen cloth (44) comprises an inner screen cloth (44-1) positioned outside the inner chamber (41) and an outer screen cloth (44-2) positioned outside the outer chamber (40), and the movable gap (42) is formed between the inner screen cloth (44-1) and the outer screen cloth (44-2).

7. The water purification apparatus with precipitated bio-oxidation photocatalysis in 5-stage series connection of claim 1, wherein: a primary filter screen (64) is arranged on the sewage inlet (9).

8. The water purification apparatus with precipitated bio-oxidation photocatalysis in 5-stage series connection of claim 1, wherein: a fourth suction pump (66) is connected to the return pipe (53).

9. A5-stage series water purification process with a precipitated biological oxidation photocatalysis, which comprises the following steps of adopting a 5-stage series water purification device with a precipitated biological oxidation photocatalysis as claimed in any one of claims 1-8, and is characterized by comprising the following devices:

s1, monitoring the water quality of a landscape pool (1) in real time through a water quality detector (5), and when the ammonia nitrogen content or PH value or suspended matters or chemical oxygen demand or total phosphorus ammonia nitrogen content in the water is larger than a preset threshold value, starting a first electric valve (11) by a controller (2) to work until a signal is detected by a low water level sensor (3), and closing the first electric valve (11);

s2, the landscape water tank (1) is sent into 5-level series water purification equipment, waste water is collected by using a sewage discharging tank (6), then the collected waste water is sent into a sedimentation tank (7), the waste water is filtered and precipitated by using a U-shaped precipitation filter screen (19) in the sedimentation tank (7), the filtered sewage flows out of the U-shaped precipitation filter screen (19) and is retained in the sedimentation tank (7), and sludge is retained in the U-shaped precipitation filter screen (19) in the sedimentation tank (7);

s3, pumping the sewage after sludge filtration into a first microbial filtration tank (28) through a second water suction pump (27), adsorbing suspended matters in the water by using a filler rod (38), and removing phosphorus and nitrogen in the water by using lower fiber filler wires (39);

s4, the treated sewage enters a second microorganism treatment tank (29), microorganisms in microorganism carriers (43) in the second microorganism treatment tank (29) are dormant in movable gaps (42) due to low-temperature airing and drying of the microorganism carriers (43) in the early stage to form a microorganism culture bed, then high-pressure aeration is carried out through a microorganism aeration head (45) of the second microorganism treatment tank (29), microorganism strains can rapidly regenerate in the movable gaps (42), and the sewage is treated to remove BOD (biochemical oxygen demand) in the water;

s5, the treated clean water enters a clean water tank (8), an ultraviolet lamp is used for sterilization, then a third water suction pump (47) is used for pumping back to the landscape water tank (1), landscape water is circularly treated until a high water level sensor (4) detects a signal, the third water suction pump (47) stops pumping water, meanwhile, when a first electric valve (11) is in a stop state, when a large amount of water flow enters a sewage discharge tank (6), a domestic sewage treatment environment is judged, and at the moment, a third electric valve (69) is started for water treatment and drainage.

10. The 5-stage serial water purification process with precipitated biological oxidation photocatalysis as claimed in claim 9, wherein: the fiber filler yarn (39) in step S2 is a titanium dioxide-supported polymer fiber yarn.

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