CN218435465U

CN218435465U - Integrated sewage treatment equipment

Info

Publication number: CN218435465U
Application number: CN202223156849.7U
Authority: CN
Inventors: 朱嘉; 王涛; 徐炜超
Original assignee: Nanjing Ningzhi High New Material Research Institute Co ltd
Current assignee: Nanjing Ningzhi High New Material Research Institute Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-02-03
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to an integrated sewage treatment device, which comprises a materialization section treatment system, a supernatant treatment system and a biochemical section treatment system; the equipment carries out coagulation treatment of chemical agents, photo-thermal treatment and biological treatment of biological activated sludge on the sewage through a physicochemical section treatment system, a supernatant treatment system and a biochemical section treatment system, improves the sewage treatment efficiency and obtains the water quality reaching the standard; through integrating materialization section treatment facility, biochemical section treatment facility, light and heat treatment facility and MBR treatment facility, carry out the multi-process to sewage and handle, promoted the whole shock resistance of equipment when improving sewage treatment efficiency, reduced the sewage treatment load of equipment at all levels, prolonged the life of equipment.

Description

Integrated sewage treatment equipment

Technical Field

The utility model relates to an integrated sewage treatment device, which belongs to the field of water treatment.

Background

With the continuous improvement of national economy and national economy, the problem of environmental harm caused by sewage discharged without organization is increasingly severe, and the construction of centralized sewage treatment plants or treatment stations is faced with a series of problems of large construction investment, long construction period, difficulty in centralized collection and storage of sewage, and the like.

The sewage treatment refers to a process for treating sewage in order to meet the water quality requirement of discharging a certain water body or reusing the sewage. In traditional sewage treatment, anaerobic pond, oxygen deficiency pond, good oxygen pond, stirring pond, sedimentation tank all are common structures, and equipment structure often is more complicated, and relevant cell body is arranged in a word, and area is great, and equipment sewage treatment system's shock resistance is relatively poor, and sewage purification effect is relatively poor.

Physical, chemical and biological methods are common methods for sewage treatment. The chemical method has the advantages of simple process, wide removal range, high treatment efficiency, economy, practicability and the like, and is one of the sewage treatment methods which are widely applied at present. The chemical treatment method is to mix the water treatment agent and the sewage in a stirring mode to react, thereby achieving the purpose of removing pollutants in the water. Common biological sewage treatment methods include an activated sludge method, a biofilm method, an aerobic biological treatment method and the like.

The biochemical treatment of wastewater is a common wastewater treatment process and can be divided into anaerobic biological reaction, anoxic biological reaction and aerobic biological reaction according to the difference of dissolved oxygen value in a reaction system. The treatment process commonly adopted by the widely used integrated sewage treatment equipment at present mainly comprises an A/O (anoxic-aerobic process) process and an A/A/O (anaerobic-anoxic-aerobic process), and soluble organic matters and partially insoluble organic matters in the wastewater are effectively removed by utilizing the life activity process of microorganisms, so that the water is purified, and the standard discharge of the wastewater is realized.

Most of the existing sewage treatment equipment adopts a single physical treatment process or biochemical treatment process, the treatment effect is not ideal, the treatment efficiency is not high, the defects of low integration level of the equipment, large investment, large occupied area, complex equipment operation, difficult later operation and maintenance and the like exist, and when suspended matters or pollutants in wastewater are small, the suspended matters or the pollutants are difficult to remove by using the traditional physical filtration method, the effluent quality or the backwater use is influenced, and the water quality impact resistance of the system is poor.

Disclosure of Invention

The invention aims to provide an integrated water treatment device integrating physical treatment, chemical treatment and biological treatment and combining photo-thermal treatment, and the movable integrated device is formed in a container form, so that the water treatment effect of the device is improved, and the convenience of the device is improved.

The adopted technical scheme is as follows: an integrated sewage treatment device comprises a physical and chemical section treatment system, a supernatant treatment system and a biochemical section treatment system, wherein the physical and chemical section treatment system comprises a neutralization tank, a decolorization tank, a flocculation tank and a sedimentation tank which are sequentially connected, untreated sewage enters the neutralization tank, is subjected to pH adjustment to a set value, then enters the decolorization tank to react with a medicament solution, then enters the flocculation tank to form large-particle precipitates after reacting with the medicament solution, and then enters the flocculation sedimentation tank from the flocculation tank to perform natural sedimentation to obtain precipitates (sludge) and supernatant;

supernatant enters a supernatant treatment system, the supernatant treatment system comprises a cache tank and a photothermal evaporation device, the biochemical section treatment system comprises an anoxic tank and an aerobic tank, the supernatant firstly enters the cache tank from the sedimentation tank for caching and then enters the photothermal evaporation device, the photothermal evaporation device is provided with a photothermal conversion material for converting light into heat, the supernatant enters the photothermal evaporation device for evaporation and concentration and then enters the anoxic tank for denitrification, and then enters the aerobic tank from the anoxic tank for biological nitrification reaction, and a reflux pump is arranged in the aerobic tank and is used for refluxing active sludge to the anoxic tank for denitrification reaction; the materialization section treatment system, the supernatant treatment system and the biochemical section treatment system are integrated in a container.

As a preferable scheme, the aerobic tank comprises a first-stage aerobic tank and a second-stage aerobic tank, sewage to be treated overflows from the anoxic tank and enters the first-stage aerobic tank, and overflows from the first-stage aerobic tank and enters the second-stage aerobic tank, and reflux pumps are arranged among the first-stage aerobic tank, the second-stage aerobic tank and the anoxic tank. The membrane heap is equipped with in the good oxygen pond of second grade, and membrane heap aeration pipe connection has the fan, and the fan is used for to the membrane heap air feed, and the membrane heap is used for holding back pond active sludge and obtains production water up to standard, and the suction pump is connected to the membrane heap, and the suction pump provides power for water passes through the membrane heap, and the membrane heap is the MBR membrane heap of PVDF material. The bottom of the first-stage aerobic tank and the bottom of the second-stage aerobic tank are both provided with tubular aerators, and the tubular aerators are arranged in sequence. A liquid level meter is arranged in the second-stage aerobic tank, a reflux pump between the second-stage aerobic tank and the anoxic tank is opened and closed according to the liquid level meter, and the reflux pump between the first-stage aerobic tank and the anoxic tank is opened and closed according to the liquid level meter. The anaerobic tank is internally provided with MBBR biological filler, the primary aerobic tank and/or the secondary aerobic tank are/is filled with suspended biological filler or mounted with suspended biological filler, and the suspended biological filler is suspended at a hook on the tank wall and is arranged below the liquid level.

As a preferable scheme, the photothermal conversion material is black cotton cloth, black non-woven fabric, black sponge, black foam, black paper material or material formed by growing, spraying, soaking and dyeing black carbon-based on a substrate.

As a preferable scheme, a membrane stack is arranged in the secondary aerobic tank and used for intercepting impurities in sewage, the membrane stack is connected with a suction pump, and the suction pump provides power for water to pass through the membrane stack. The membrane stack comprises a plurality of membrane units, each membrane unit comprises membrane cloth, a gasket and a filter plate, flow guide grooves are formed in two sides of each filter plate, the flow guide grooves and the gaskets form flow guide cavities, the flow guide cavities are connected with a suction pump through pipelines, and the suction pump provides power for water to enter the flow guide cavities through membranes and to be discharged from the flow guide cavities.

The beneficial effects produced include: the equipment carries out coagulation treatment of chemical agents and biological treatment of biological activated sludge on the sewage through a physicochemical section treatment system and a biochemical section treatment system, improves the sewage treatment efficiency and obtains the water quality reaching the standard;

according to the equipment, the physical treatment equipment, the chemical treatment equipment, the photo-thermal treatment equipment and the biological treatment equipment are integrated, so that water is subjected to multi-flow treatment, the impact resistance of the equipment is improved while the treatment efficiency is improved, the sewage treatment load of each stage of equipment is reduced, and the service life of the equipment is prolonged;

the equipment is integrated with photo-thermal evaporation equipment, and high-efficiency solar energy is utilized to carry out heat treatment on water, so that the water quality indexes of ammonia nitrogen, total nitrogen and COD (chemical oxygen demand) in sewage are reduced, green production is realized, and the treatment load of rear-end equipment is reduced;

the sewage is efficiently filtered by reasonably arranging the structure of the membrane stack;

according to the device, the anoxic tank, the primary aerobic tank and the secondary aerobic tank are arranged, so that water quality indexes such as ammonia nitrogen, total nitrogen, COD (chemical oxygen demand) and the like are efficiently reduced through biochemical reaction, the denitrification-denitrification of the anoxic tank and the primary aerobic tank is utilized through the reflux pump between the aerobic tank and the anoxic tank, the removal efficiency of the ammonia nitrogen and the total nitrogen is accelerated, and the sewage treatment efficiency is improved.

Drawings

FIG. 1 is a general structure diagram of the integrated sewage treatment apparatus of the present invention;

FIG. 2 is a structural diagram of the middle membrane stack of the present invention;

FIG. 3 is a structural diagram of the middle membrane unit of the present invention;

in the figure, the device comprises a container 1, a container 2, a neutralization pond 3, a decolorization pond 4, a flocculation pond 5, a flocculation sedimentation pond 6, a cache pond 7, an anoxic pond 8, a microporous aerator 9, a primary aerobic pond 10, a tubular aerator 11, a primary sludge reflux pump 12, a secondary aerobic pond 13, a secondary sludge reflux pump 14, a membrane stack 15, a sludge pond 16, a spiral shell stacking machine 17, a photothermal evaporation device 18, an aeration pipeline 19, an aeration hole 20, a membrane unit 21, a bracket 22, membrane cloth 23, a gasket 24, a filter plate 25 and a diversion trench.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, but it should be understood that the scope of the invention is not limited by the specific embodiments.

The utility model provides an integrated sewage treatment device which comprises a physical and chemical section treatment system, a supernatant treatment system and a biochemical section treatment system, wherein the physical and chemical section treatment system combines physical treatment and chemical treatment to carry out coagulating sedimentation treatment on sewage to obtain precipitated sludge and supernatant, and the supernatant enters the supernatant treatment system to carry out biochemical treatment;

the utility model provides a materialization section processing system, biochemical section processing system and supernatant processing system integration are in integrated equipment to 1 form of container presents, and integrated multiprocessing technology promotes water treatment facilities's treatment effeciency, has effectively improved sewage integration treatment facilities's shock resistance, reduces the influence that quality of water impact load given sewage treatment facilities caused, and is convenient for consign, hoist and mount. As shown in fig. 1, the physical and chemical section treatment system comprises a neutralization tank 2, a decolorization tank 3, a flocculation tank 4 and a sedimentation tank 5 which are sequentially communicated, untreated sewage firstly enters the neutralization tank 2 for neutralization reaction, then enters the decolorization tank 3 for reaction and decolorization with a reagent solution, then enters the flocculation tank 4 for reaction and agglomeration with the reagent solution to form large-particle precipitates, and finally enters the sedimentation tank 5 from the flocculation tank 4 for natural sedimentation to obtain sediments (sludge) and supernatant, and the sediments (sludge) enter sludge treatment equipment for sludge briquetting; contain a large amount of harmful substance in the supernatant, can't directly discharge to the environment in, supernatant processing system carries out further processing to the supernatant, supernatant processing system includes buffer pool 6, light and heat evaporation plant 17, the supernatant at first gets into buffer pool 6 and caches to setting for the volume after, get into light and heat evaporation plant 17, light and heat evaporation plant 17 sets up at 1 top of container, light and heat evaporation plant 17 is through utilizing solar radiation heating waste water, make waste water vaporization, waste water has partial ammonia nitrogen to escape along with gas in the heat treatment process, ammonia nitrogen (total nitrogen) content in the waste water has been reduced, it has partial volatility fatty acid to escape along with gas in the waste water simultaneously, reduce aquatic COD value, light and heat evaporation plant 17 has reduced the processing load for follow-up water treatment process, the whole water quality impact load of equipment has been improved simultaneously. The photo-thermal evaporation device 17 is made of materials including, but not limited to, black materials such as black cotton cloth, black non-woven fabric, black sponge, black foam, black paper materials, and black carbon-based materials (such as carbon black, graphene, carbon nanotubes, etc.) growing/spraying/soaking and dyeing materials, and the materials absorb water, heat and evaporate the water, and then flow out the evaporated concentrated water, and the photo-thermal evaporation device can also be an existing device for realizing water evaporation by using a photo-thermal technology.

The utility model discloses a biochemical section processing system that pending waste water got into the rear end behind the processing of photothermal evaporation device 17, biochemical section processing system include oxygen deficiency pond 7 and good oxygen pond, the utility model discloses in adopt an oxygen deficiency pond 7, a one-level good oxygen pond 9 and a second grade good oxygen pond 12 to constitute, carry out denitrification reaction in oxygen deficiency pond 7, carry out nitration reaction in good oxygen pond, both cooperate to get rid of nitrate nitrogen, nitrite nitrogen and organic nitrogen in water, the utility model discloses be provided with the one-level backwash pump that is used for flowing back to oxygen deficiency pond 7 in one-level good oxygen pond 9, nitrate nitrogen, nitrite nitrogen that waste water produced through good oxygen pond get into oxygen deficiency pond 7 through the mud backward flow and carry out denitrification and get rid of, this setting can high-efficient, effectively get rid of the nitrogen content in the waste water, realize up to standard product water; the utility model provides a second grade aerobic tank 12 connects one-level aerobic tank 9, and the underwater overflow in one-level aerobic tank 9 to second grade aerobic tank 12, this setting can make water fully carry out nitration on the one hand, has accelerated sewage treatment speed on the other hand, is provided with the second grade backwash pump between second grade aerobic tank 12 and oxygen deficiency pond 7, gets rid of nitrate nitrogen and nitrite nitrogen that second grade aerobic tank 12 produced through the second grade mud backward flow; the utility model provides an one-level good oxygen pond 9 and second grade good oxygen pond 12 all flow back to same oxygen deficiency pond 7, should set up and simplified equipment, have reduced area, have reduced the stringing demand. Suspended biological fillers with a certain proportion can be put into the first-stage aerobic tank 9 and the second-stage anoxic tank 7 or suspended biological fillers can be placed in the first-stage aerobic tank and the second-stage anoxic tank.

The utility model provides a neutralization pond 2 is used for adjusting the pH of sewage to the setting value, generally take value 8~9 between 5363, as a specific embodiment, set up neutralization pond agitator motor in neutralization pond 2, this motor is arranged in sewage and stirs sewage in the reaction process, accelerate neutralization reaction rate on the one hand, on the other hand makes waste water and medicament can be the intensive mixing even, still be provided with the pH meter that is used for monitoring sewage pH value in the neutralization pond 2, the neutralization pond is used for sewage and NaOH medicament to mix. .

Be provided with decoloration pond agitator motor and flocculation basin agitator motor in decoloration pond 3 and the flocculation basin 4 respectively, all be used for the intensive mixing of pending sewage and medicament solution, the decoloration pond is used for sewage and PAC medicament to mix, the intensive reaction of flocculation basin 4 mainly used waste water and PAM medicament, waste water and medicament intensive mixing reaction back, can produce the deposit that a large amount of density ratio water is big, commonly known as "mud", the waste water overflow after the flocculation basin 4 reaction carries out the natural sedimentation to flocculation and precipitation pond 5, realize mud-water separation. A sludge discharge pump is arranged in the flocculation sedimentation tank 5, and the main function is to pump the sludge settled in the flocculation sedimentation tank 5 to a sludge tank 15 for temporary storage and further treatment.

The buffer pool 6 mainly plays a role of temporarily storing the supernatant. A submerged pump of the buffer pool 6 is placed in the buffer pool 6, and the main function is to pump clear liquid in the buffer pool 6 to a photo-thermal evaporation device 17 at the top end of the equipment for further treatment. Meanwhile, a throw-in liquid level meter is arranged in the cache pool 6 and used for monitoring the real-time effective liquid level of the cache pool 6 and starting and stopping the submersible pump according to a liquid level monitoring value.

Oxygen deficiency pond 7, all be provided with micropore aerator 8 in one-level good oxygen pond 9 and the good oxygen pond 12 of second grade, supply air in to micropore aerator 8 by the fan, wherein micropore aerator 8 is tubular aerator 10 in one-level good oxygen pond 9 and the good oxygen pond 12 of second grade, many tubular aerators 10 are installed at the bottom of the pool with the mode of arranging in proper order, be provided with the level gauge in the good oxygen pond 12 of second grade, set up the level gauge on end equipment, play the effect of monitoring tank body water level among the whole biochemical treatment system on the one hand, on the other hand has reduced the level gauge use amount, PLC control flow has been simplified. The wastewater enters a MBR (membrane bioreactor) 14 reaction zone after being treated by the anoxic tank 7 and the aerobic tank, the MBR 14 supplies air through a fan to maintain a certain dissolved oxygen content in the tank, active sludge or impurities in the secondary aerobic tank 12 can be effectively intercepted through the membrane, and water penetrates through the MBR 14 under the action of a suction pump to realize sludge-water separation. In order to improve the suction effect, the utility model provides a suction pump sets up to intermittent type formula suction. The utility model provides an equipment passes through PLC (automatically controlled cabinet) control, realize multistage linkage, the controlgear among the PLC is the purchase income on the market, the fan frequency of opening and close for MBR membrane stack 14 air feed is relevant with the real-time liquid level of second grade aerobic tank 12, as a specific implementation mode, the membrane stack structure is as shown in figure 2, including the support 21 that plays the fixed effect of support, the aeration pipeline 18 and the aeration hole 19 that are used for the air feed, be used for filterable membrane unit 20, aeration pipeline 18 communicates with each other with the fan, aeration hole 19 is placed in membrane unit 20 below, gas is washed out to membrane unit 20 surface after exposing by aeration hole 19, can get rid of the impurity that adsorbs on the membrane unit 20, prevent that membrane unit 20 from blockking up, aeration pipeline 18 provides the aeration for MBR membrane tank on the one hand in order to maintain certain dissolved oxygen content in the pond, on the other hand clean membrane unit 20; the membrane unit 20 is shown in fig. 3 and comprises membrane cloth 22, gaskets 23 and a filter plate 24, wherein two sides of the filter plate 24 are provided with a diversion trench 25, the diversion trench 25 and the gaskets 23 on two sides of the filter plate 24 form a diversion cavity, one side of each gasket 23, which is back to the filter plate 24, is provided with the membrane cloth 22, sewage enters the diversion cavity after passing through the membrane cloth 22 and the gaskets 23 and then flows out through the diversion cavity, and the diversion cavity is connected with a suction pump through a drainage pipeline.

The utility model realizes the coagulating sedimentation treatment of the wastewater by a physicochemical section treatment system in a mode of combining physical treatment (sedimentation) and chemical treatment (medicament); the supernatant fluid treatment system adopts a mode of combining biochemical treatment (nitrification-denitrification) and physical treatment (photothermal evaporation) to obtain environment-friendly water, the standard-reaching discharge of wastewater is realized, and sludge generated by the system is pressed by the screw stacking machine 16. The combination of multiple modes not only effectively promotes the sewage treatment effect, but also promotes the whole impact resistance of the equipment, and reduces the influence of water quality impact load on the sewage treatment equipment.

The utility model provides an operation process of integration sludge treatment equipment as follows:

the electric control cabinet controls the start and stop of the sewage cutting pump in the field regulation pool, and when the daily running flow of the electromagnetic flowmeter or the high liquid level of the cache pool 6 reaches the standard, the sewage cutting pump is prohibited to be started;

sewage enters the neutralization tank 2 from the water inlet for neutralization reaction, and the electric control cabinet controls the linkage of the stirring motor and the NaOH medicament barrel of the neutralization tank 2, so that the medicament solution (NaOH medicament) is fully mixed with the sewage;

the sewage overflows from the neutralization tank 2 to the decolorization tank 3 for reaction, the electric control cabinet controls the linkage of a stirring motor and a PAC medicament barrel of the decolorization tank 3, and the sewage and the medicament solution are fully mixed and react;

sewage overflows to a flocculation tank 4 from a decoloring tank 3 for reaction, and an electric control cabinet controls the linkage of a stirring motor and a PAM medicament barrel of the flocculation tank 4, so that a medicament solution and the sewage are fully mixed and reacted;

sewage after chemical flocculation by the medicament overflows to a flocculation sedimentation tank 5 from a flocculation sedimentation tank 4 for natural sedimentation, supernatant overflows to a cache tank 6 from the flocculation sedimentation tank 5 for caching, sludge naturally sedimentated is pumped to a sludge tank 15 from a sludge discharge pump of the flocculation sedimentation tank 5 for caching, and the linkage of the sludge discharge pump of the flocculation sedimentation tank 5 is controlled by an electric control cabinet;

supernatant in the buffer pool 6 is pumped to the photo-thermal evaporation device 17 at the top end of the equipment by the submersible pump of the buffer pool 6 for further treatment, and water after the supernatant is evaporated by high-efficiency light flows to the anoxic pool 7 by the water outlet for biochemical treatment. A certain number of microporous aerators 8 are arranged in the anoxic tank 7, air is supplied to the microporous aerators 8 by a fan, the starting and stopping frequency of the fan is related to the real-time liquid level of the secondary aerobic tank 12, the related linkage is controlled by an electric control cabinet, and the flow of activated sludge in the anoxic tank 7 and the dissolved oxygen content in a certain range are maintained by the intermittent aeration of the microporous aerators 8;

the sewage after denitrification treatment in the anoxic tank 7 overflows from the anoxic tank 7 to the primary aerobic tank 9 for primary biological nitrification reaction. A certain number of tubular aerators 10 are fixedly installed at the bottom of the primary aerobic tank 9, a fan supplies air to the tubular aerators 10, the starting and stopping frequency of the fan is related to the real-time liquid level of the secondary aerobic tank 12, the realization of relevant linkage is controlled by an electric control cabinet, and the flow of activated sludge in the primary aerobic tank 9 and the maintenance of the dissolved oxygen content within a certain range are realized through the intermittent aeration of the tubular aerators 10. A primary sludge reflux pump 11 is arranged in the primary aerobic tank 9, and can reflux the activated sludge in the primary aerobic tank 9 to the front anoxic tank 7 for denitrification, the starting and stopping frequency of the primary sludge reflux pump 11 is related to the real-time liquid level of the secondary aerobic tank 12, and the related linkage realization is controlled by an electric control cabinet;

after the sewage is subjected to primary biological nitrification reaction in the primary aerobic tank 9, the sewage overflows from the primary aerobic tank 9 to the secondary aerobic tank 12 for secondary biological nitrification reaction. The bottom of the secondary aerobic tank 12 is fixedly provided with a certain number of tubular aerators 10, a fan supplies air to the tubular aerators 10, the starting and stopping frequency of the fan is related to the real-time liquid level of the secondary aerobic tank 12, the realization of the relevant linkage is controlled by an electric control cabinet, and the flow of activated sludge in the secondary aerobic tank 12 and the maintenance of the dissolved oxygen content in a certain range are realized through the intermittent aeration of the tubular aerators 10. A secondary sludge reflux pump 13 is arranged in the secondary aerobic tank 12, and can reflux the activated sludge in the secondary aerobic tank 12 to the front anoxic tank 7 for denitrification, the start-stop frequency of the secondary sludge reflux pump 13 is related to the real-time liquid level of the secondary aerobic tank 12, and the related linkage realization is controlled by an electric control cabinet;

after the sewage is biochemically treated in the secondary aerobic tank 12, activated sludge in the secondary aerobic tank 12 is intercepted by an MBR membrane stack 14 membrane in the tank, clear water is intermittently sucked by a special suction pump of the MBR membrane stack 14 and is discharged from a water outlet, a fan supplies air to the MBR membrane stack 14, the starting and stopping frequency of the fan is related to the real-time liquid level of the secondary aerobic tank 12, and the realization of related linkage is controlled by an electric control cabinet;

when the sludge tank 15 is at a high liquid level, the sludge pump 15 of the sludge tank is started, sludge-water mixture in the sludge tank 15 is pumped into the screw stacking machine 16 of the equipment operation room, the screw stacking machine 16 completes mud pressing work, sludge-water separation is realized, and the realization of relevant linkage is controlled by the electric control cabinet.

1. The utility model provides a novel combination formula integration sewage treatment device combines together medicament chemical flocculation technology, the high-efficient evaporation technique of light and heat, AO-MBR biochemical treatment technology, has effectively improved sewage integration treatment device's shock resistance, reduces the influence that quality of water impact load given sewage treatment device caused.

2. The novel combined integrated sewage treatment equipment reasonably, efficiently and orderly combines all reaction tank bodies commonly used in biochemical treatment process, tank bodies and sludge tanks 15 required by medicament flocculation process and the intermediate buffer tank 6 in the integrated container 1 type sewage treatment equipment, is convenient to hoist and transport, occupies a small area on the project site, avoids the work of large-scale infrastructure on the project early stage, and reduces investment cost.

3. Novel combination formula integration sewage treatment device is automatic, the degree of integrating is higher and be furnished with high in the clouds remote control service platform, can realize under the on-the-spot unmanned on duty's the condition, and equipment automation, programmed operation reduce the later stage operation degree of difficulty and cost.

Finally, it should be noted that: these embodiments are merely illustrative of the present invention and do not limit the scope of the present invention. In addition, other variations and modifications will be apparent to persons skilled in the art based on the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims

1. An integrated sewage treatment device comprises a materialization section treatment system, wherein the materialization section treatment system comprises a neutralization tank, a decolorization tank, a flocculation tank and a sedimentation tank which are sequentially communicated, untreated sewage sequentially enters the neutralization tank, the decolorization tank and the flocculation tank to react and is precipitated in the sedimentation tank;

the method is characterized in that: the device comprises a sedimentation tank, a supernatant processing system, a biochemical section processing system, a heating and evaporating device and a control system, wherein the supernatant processing system comprises a cache tank and a photothermal evaporation device, the cache tank is communicated with the sedimentation tank, supernatant in the sedimentation tank is input into the cache tank through a power device, an outlet of the cache tank is connected with an inlet of the photothermal evaporation device, and the photothermal evaporation device comprises a light absorption element which is used for heating and evaporating water flowing through the photothermal evaporation device;

the biochemical section treatment system comprises an anoxic tank and an aerobic tank, wherein an outlet of the photothermal evaporation device is connected with the anoxic tank, an outlet of the anoxic tank is connected with the aerobic tank, a reflux pump is arranged in the aerobic tank, and the reflux pump is used for refluxing the activated sludge in the aerobic tank to the anoxic tank;

the physicochemical section treatment system, the supernatant treatment system and the biochemical section treatment system are integrated in the container, and the photothermal evaporation device is arranged at the top of the container.

2. The integrated sewage treatment apparatus of claim 1, wherein: be provided with the level gauge that is used for monitoring buffer pool liquid level in the buffer pool, be provided with the immersible pump between light and heat evaporation plant and the buffer pool, the immersible pump is according to the level gauge is opened and close according to the data.

3. The integrated sewage treatment apparatus of claim 1, wherein: the aerobic pool comprises a primary aerobic pool and a secondary aerobic pool, water to be treated overflows from the anoxic pool and enters the primary aerobic pool, and overflows from the primary aerobic pool and enters the secondary aerobic pool, and reflux pumps are arranged among the primary aerobic pool, the secondary aerobic pool and the anoxic pool;

the sewage is subjected to denitrification in the anoxic tank, and biological nitrification reaction is performed in the primary aerobic tank or the secondary aerobic tank.

4. The integrated sewage treatment apparatus of claim 3, wherein: the secondary aerobic tank is internally provided with a membrane stack, the membrane stack is used for intercepting impurities in sewage, the membrane stack is connected with a suction pump, and the suction pump provides power for water to pass through the membrane stack.

5. The integrated sewage treatment apparatus of claim 4, wherein: the membrane stack comprises a plurality of membrane units, each membrane unit comprises membrane cloth and a filter plate, flow guide grooves are formed in two sides of each filter plate, the membrane cloth is arranged on two sides of each filter plate, the flow guide grooves and the membrane cloth form flow guide cavities, the flow guide cavities are connected with a suction pump through pipelines, and the suction pump provides power for water to enter the flow guide cavities through membranes and to be discharged from the flow guide cavities.

6. The integrated sewage treatment apparatus of claim 5, wherein: a gasket which plays a supporting role is arranged between the membrane cloth and the filter plate, the gasket and the flow guide groove form the flow guide cavity, and sewage flows to the flow guide cavity after passing through the membrane cloth and the gasket and flows out through the flow guide cavity.

7. The integrated sewage treatment apparatus of claim 3, wherein: and the bottoms of the first-stage aerobic tank and the second-stage aerobic tank are both provided with tubular aerators, and the tubular aerators are sequentially arranged.

8. The integrated sewage treatment apparatus of claim 3, wherein: the liquid level meter is arranged in the second-stage aerobic tank, the reflux pump between the second-stage aerobic tank and the anoxic tank is opened and closed according to the liquid level meter, and the reflux pump between the first-stage aerobic tank and the anoxic tank is opened and closed according to the liquid level meter.

9. The integrated sewage treatment apparatus of claim 3, wherein: the anaerobic tank is internally provided with MBBR biological fillers, the primary aerobic tank and/or the secondary aerobic tank are/is internally provided with suspended biological fillers or mounted with suspended biological fillers, and the suspended biological fillers are hung at hooks on the tank wall and are arranged below the liquid level.

10. The integrated sewage treatment apparatus of claim 1, wherein: the photo-thermal evaporation device is provided with a light absorption and heat production material, and water absorbs heat and evaporates when flowing through the light absorption and heat production material;

the light absorption and heat production material is black cotton cloth, black non-woven fabric, black sponge, black foam, black paper material or material formed by growing, spraying or soaking black carbon base on the substrate.