CN216377850U - Combined vertical tank type sewage treatment equipment - Google Patents

Abstract

The utility model discloses a combined vertical tank type sewage treatment equipment, comprising a grille canal, an output end of the grille canal is fixedly connected with a regulating tank, and an output end of the regulating tank is fixedly connected with a first combined tank. The output end of the first combination tank is fixedly connected with a second combination tank, the output end of the second combination tank is fixedly connected with a sedimentation tank, and the output end of the sedimentation tank is fixedly connected with an ultraviolet sterilizer. Combined vertical tank sewage treatment equipment The anaerobic tank and the anoxic tank are inverted, the sewage enters the anoxic tank, and the nitrifying liquid is denitrified under the condition of sufficient carbon source, and the denitrification effect is good. Reduce the loss of activated sludge in the biochemical zone, maintain a high sludge concentration in the biochemical zone, and improve the decomposition effect of COD and ammonia nitrogen. Increase and reduce the amount of phosphorus removal agent.

Description

A combined vertical tank sewage treatment equipment

technical field

The utility model relates to the technical field of sewage treatment equipment, in particular to a combined vertical tank type sewage treatment equipment.

Background technique

In recent years, the state has attached great importance to the prevention and control of water pollution, and has listed the comprehensive improvement of the urban and rural environment as one of the main treatment projects. Driven by the policies of the state and local governments on environmental protection and domestic sewage, the demand for urban and rural domestic sewage treatment is strong, and the domestic sewage industry has ushered in the spring of development, and a large number of advanced sewage treatment technologies have emerged. Equipmentization is an inevitable choice for domestic sewage technology to achieve the best effect, achieve optimal operation, and achieve energy saving and emission reduction. To achieve the smallest footprint, the best operating effect and the most investment, it must be a good process and core equipment. coupling. In 2017, the Ministry of Industry and Information Technology issued the "Guiding Opinions on Accelerating the Development of Environmental Protection Equipment Manufacturing Industry", emphasizing the requirement to "strengthen the collaborative innovation and development of technology research and development", attach great importance to the collaborative innovation of technology research and development and equipment, and encourage enterprises to pay attention to the design and development process. The fusion of craftsmanship and equipment.

At present, the domestic sewage treatment equipment market is prosperous, and all kinds of equipment are in full bloom.

According to the principle of sewage treatment process, biological method is the most commonly used method in wastewater treatment. Because of its relatively low operating cost, high treatment efficiency, effective removal of pollutants and less secondary pollution, it is widely used by countries all over the world. The process forms are mainly divided into anaerobic, anoxic and aerobic biological treatment. Many different treatment processes have been formed in domestic sewage treatment, mainly including activated sludge method, biofilm method, and MBR method. Among them, activated sludge methods mainly include A/O process, A2/O process, improved A2/O process, UCT process, improved UCT process, inverted A2/O process, etc.; biofilm methods mainly include contact oxidation process, MBBR process, exposure Gas biological filter process, etc.; MBR method is mainly a membrane bioreactor process, which is divided into hollow fiber membrane bioreactor, flat membrane bioreactor and ceramic membrane bioreactor according to different membranes.

According to the construction material and form of the processing equipment, the common ones in the market are carbon steel integrated equipment, glass fiber reinforced plastic integrated equipment, etc.;

The above-mentioned various types of equipment have problems such as poor phosphorus removal effect, short service life caused by corrosion, and high cost of processing equipment.

Utility model content

The purpose of this utility model is to provide a combined vertical tank type sewage treatment equipment to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a combined vertical tank type sewage treatment equipment, comprising a grid canal, the output end of the grid canal is fixedly connected with a regulating pool, and the output end of the regulating pool is fixed A first combination tank is communicated with, the output end of the first combination tank is fixedly connected with a second combination tank, the output end of the second combination tank is fixedly connected with a precipitation tank, and the output end of the precipitation tank is fixedly connected with ultraviolet rays The sterilizer, the first combined tank includes a water inlet pipe group, a nitrification liquid return pipe port, a first vent pipe, a first tank body, a first combined tank water outlet, a first baffle, a screen and a sludge return pipe The surface of the first tank body is annularly distributed with a water inlet pipe group, a nitrification liquid return pipe port, a first vent pipe, a first combined tank water outlet and a sludge return pipe port from left to right. The bottom of the inner wall of the first tank is clamped with a screen mesh, the middle of the bottom end of the first tank inner cavity is fixedly connected with a first partition plate, and the second combined tank includes a first water inlet pipe port, an aeration pipe group, a second tank. The second tank, the second separator, the nitrification liquid return outlet, the second vent, the dosing nozzle, the pipeline mixer, the microporous aerator and the water outlet, the surface of the second tank is from left to right A first water inlet pipe port, a second vent port, a nitrification liquid return outlet and an aeration pipe group are arranged in a ring shape in sequence, and a microporous aerator is fixedly installed at the bottom end of the inner cavity of the second tank. One side of the inner cavity is fixedly connected with a second partition plate, one side of the top of the second tank is fixedly connected with a dosing nozzle, and one end of the dosing nozzle penetrates into the inner cavity of the second tank and is in fixed communication There is a pipeline mixer, the bottom end of the pipeline mixer is fixedly connected with a water outlet nozzle, one end of the water outlet nozzle extends to the outside through the second tank body, and the sedimentation tank includes a second water inlet nozzle, an external drain Sludge air lift pipe group, external sludge discharge pipe port, sludge return pipe port, third vent port, packing support, third tank body and inclined pipe packing, the surface of the third tank body is annular in clockwise order A second water inlet pipe port, an external sludge discharge pipe port, a third vent port, a sludge return pipe port and an external sludge air lift pipe group are distributed, and a filler bracket is fixedly connected to the bottom of the inner cavity of the third tank. The top of the packing support is filled with a third tank body, the aeration pipe group is fixedly connected with the output end of the blower through a three-way pipe, the blower is fixedly installed on the top of the fan cabinet, and the front of the fan cabinet is fixedly installed There are a first switch button, a second switch button, a third switch button, a fourth switch button, a fifth switch button and a sixth switch button.

Preferably, one end of the water outlet of the first combined tank close to the first tank body is clamped with a first water passage orifice plate, and the first partition plate divides the inner cavity of the first tank body into an anoxic tank and an anaerobic tank. The inner cavity of the anoxic tank and the anaerobic tank are filled with a number of suspended ball fillers.

Preferably, one end of the first water inlet pipe close to the second tank body is clamped with a second water perforating plate, and one end of the aeration pipe group close to the second tank body is fixed to the input end of the microporous aerator connected, the second partition divides the inner cavity of the second tank into an aerobic tank and an intermediate tank, and the inner cavity of the aerobic tank is filled with a number of polyurethane fillers and PE fillers, and the second tank is The top is covered with a first inspection cover, and the microporous aerator is electrically connected to an external power source through a first switch button.

Preferably, a sludge tank is opened on one side of the top of the third tank, a water outlet weir tank is opened on the side of the third tank away from the grid channel and at the bottom of the sludge tank, and the third tank is located at the bottom of the sludge tank. The top of the body is covered with a second inspection cover.

Preferably, the nitrification solution return pipe orifice is fixedly communicated with the nitrification solution return outlet through a first communication pipe, and a nitrification solution return pump is fixedly installed in the middle of the first communication pipe, and the nitrification solution return pump passes through the second switch. The button is electrically connected with the external power supply.

Preferably, the sludge return pipe orifice is fixedly communicated with the sludge return pipe orifice through a second communication pipe, and a sludge return pump is fixedly installed inside the second communication pipe, and the sludge discharge pipe orifice is connected to the sludge return pipe. The sewage pipe is fixedly connected, one side of the sewage pipe is fixedly connected with the third vent, the middle part of the sewage pipe is fixedly connected with the second vent, and the end of the sewage pipe away from the sedimentation tank is fixed with the first vent pipe connected, and the sludge return pump is electrically connected to an external power source through a third switch button.

Preferably, the second passage of the three-way pipe is fixedly communicated with the external sludge air lift pipe group through a third communication pipe, and an electric butterfly valve is fixedly installed inside the third communication pipe, and the electric butterfly valve and the blower are respectively It is electrically connected with the external power supply through the fourth switch button and the fifth switch button.

Preferably, the top of the dosing nozzle is in fixed communication with the output end of the metering pump, the bottom end of the metering pump is fixedly installed on the top of the dosing barrel, and the input end of the metering pump is located inside the dosing barrel The metering pump is electrically connected to the external power supply through the sixth switch button.

Compared with the prior art, the beneficial effects of the present utility model are:

In terms of sewage treatment effect: 1. The anaerobic tank and the anoxic tank are inverted, that is, the sewage enters the anoxic tank, and the nitrifying liquid is denitrified under the condition of sufficient carbon source, and the denitrification effect is good; 2. The intermediate tank and the sedimentation tank are refluxed , which can greatly reduce the loss of activated sludge in the biochemical zone, maintain a higher sludge concentration in the biochemical zone, and improve the decomposition effect of COD and ammonia nitrogen; 3. The sewage enters the anaerobic tank after denitrification in the anoxic tank. At this time, the sewage does not contain nitrate nitrogen and has low dissolved oxygen, so the phosphorus accumulating bacteria can release phosphorus well, creating favorable conditions for a large amount of phosphorus absorption in the aerobic pool in the future, so as to achieve a substantial improvement in the phosphorus removal effect of sewage. Reduce the amount of phosphorus remover.

In terms of system structure: 1. The tank body, packing and other structural parts and process materials are made of plastic materials such as PP/PE, which avoids the corrosion of the equipment, and has a service life of more than ten years; 2. The equipment is lightweight and convenient for transportation and installation. 3. According to the amount of sewage and the process flow, the tank grouping method can be flexibly selected. For example, when the amount of sewage is large, each process can be formed into a separate tank or several tanks in series.

Description of drawings

Fig. 1 is the floor plan of the utility model;

Fig. 2 is the top view of the first combined tank of the present utility model;

3 is a cross-sectional view of the first combined tank B-B of the present utility model;

Fig. 4 is the top view of the second combined tank of the present utility model;

5 is a cross-sectional view of the second combined tank A-A of the present utility model;

Fig. 6 is the top view of the precipitation tank of the present utility model;

Fig. 7 is the sectional view of the utility model settling tank B-B;

Figure 8 is a cross-sectional view of the precipitation tank A-A of the present invention.

In the figure: 1. Grille canal; 2. Regulating tank; 3. The first combined tank; 4. The second combined tank; 5. The sedimentation tank; 6. The dosing barrel; 7. The metering pump; 9. Nitrating liquid return pump; 10. Sludge return pump; 11. Electric butterfly valve; 12. Fan cabinet; 13. Blower; 14. Water inlet pipe group; 15. Nitrifying liquid return pipe; 16. First vent pipe; 17. The first tank body; 18. The water outlet of the first combined tank; 19. The first water-passing orifice plate; 20. The first partition plate; Port 23; 24, the first water inlet pipe port; 25, the second water passage orifice; 26, the aeration pipe group; 27, the second tank body; 28, the second partition plate; 29, the nitrification liquid return outlet; 30, The second vent; 31, the dosing nozzle; 32, the pipeline mixer; 33, the microporous aerator; 34, the first inspection cover; 35, the outlet pipe; 36, the polyurethane packing; 37, the PE packing; 38. The second water inlet pipe; 39. The sludge air lift pipe group; 40. The sludge discharge pipe; 41. The sludge return pipe; 42. The third vent; 43. The sludge tank; 44 , outlet weir groove; 45, packing bracket; 46, third tank body; 47, second inspection cover; 48, inclined pipe packing.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-8, the present utility model provides a combined vertical tank type sewage treatment equipment, including a grid canal 1, the output end of the grid canal 1 is fixedly connected to a regulating pool 2, and the output end of the regulating pool 2 is fixedly communicated There is the first combination tank 3, the output end of the first combination tank 3 is fixedly communicated with the second combination tank 4, the output end of the second combination tank 4 is fixedly connected with a sedimentation tank 5, and the output end of the sedimentation tank 5 is fixedly connected with ultraviolet disinfection. 8, the first combined tank 3 includes a water inlet pipe group 14, a nitrification liquid return pipe port 15, a first vent pipe 16, a first tank body 17, a first combined tank water outlet 18, a first partition 20, a screen mesh 22 and the connection port 23 of the sludge return pipe. The surface of the first tank body 17 is annularly distributed with the water inlet pipe group 14, the nitrification liquid return pipe port 15, the first vent pipe 16, and the first combined tank outlet from left to right. The water port 18 and the sludge return pipe connection port 23, the bottom of the inner wall of the first tank 17 is clamped with a screen 22, the middle of the bottom end of the inner cavity of the first tank 17 is fixedly connected with a first partition 20, and the second combined tank 4 It includes the first water inlet pipe port 24, the aeration pipe group 26, the second tank body 27, the second partition plate 28, the nitrification liquid return outlet 29, the second vent port 30, the dosing pipe port 31, the pipeline mixer 32, the micro The hole aerator 33 and the water outlet pipe port 35, the surface of the second tank 27 is annularly distributed with the first water inlet pipe port 24, the second vent port 30, the nitrification liquid return outlet 29 and the aeration pipe group from left to right. 26. The bottom end of the inner cavity of the second tank body 27 is fixedly installed with a microporous aerator 33, one side of the inner cavity of the second tank body 27 is fixedly connected with the second partition plate 28, and one side of the top of the second tank body 27 is fixedly connected The dosing nozzle 31 is fixedly communicated with, one end of the dosing nozzle 31 penetrates into the inner cavity of the second tank body 27 and is fixedly connected with a pipeline mixer 32, and the bottom end of the pipeline mixer 32 is fixedly connected with a water outlet nozzle 35. One end of the water pipe port 35 extends to the outside through the second tank body 27, and the sedimentation tank 5 includes a second water inlet pipe port 38, an external sludge air lift pipe group 39, an external sludge discharge pipe port 40, and a sludge return pipe port 41. The third venting port 42, the packing support 45, the third tank body 46 and the inclined tube packing 48. The surface of the third tank body 46 is annularly distributed with a second water inlet port 38 and an external sludge discharge port in a clockwise order. 40. The third venting port 42, the sludge return pipe port 41 and the external sludge gas lifting pipe group 39, the bottom of the inner cavity of the third tank body 46 is fixedly connected with a filler bracket 45, and the top of the filler bracket 45 is filled with a third The tank body 46, the aeration pipe group 26 are fixedly connected with the output end of the blower 13 through the tee pipe, the blower 13 is fixedly installed on the top of the fan cabinet 12, and the front of the fan cabinet 12 is fixedly installed with the first switch button and the second switch button , the third switch button, the fourth switch button, the fifth switch button and the sixth switch button.

When in use, the sewage enters into the grille canal 1 after being collected, and the effluent from the grille canal 1 enters the adjustment tank 2, where the water quality and quantity are adjusted in the adjustment tank 2, and the effluent from the adjustment tank 2 enters the first combined tank 3 for treatment. Suspended ball filler 21 is added in the oxygen tank and anaerobic tank to remove the total nitrogen in the wastewater, and at the same time remove part of the easily degradable organic matter, improve the biodegradability of the sewage, and improve the system's removal efficiency of total phosphorus. The effluent from the anaerobic tank enters the aerobic tank Polyurethane filler 36 and PE filler 37 are added in the aerobic tank, and the microporous aerator 33 is arranged at the bottom of the pool to reduce the COD in the sewage, and the nitrifying bacteria attached to the polyurethane filler 36 and the PE filler 37 convert the ammonia nitrogen in the sewage It is nitrate nitrogen to reduce the ammonia nitrogen in the sewage. The air stripping reflux and pipeline mixer 32 are installed in the aerobic tank. The air stripping reflux returns a part of the sewage in the intermediate tank to the front-end anoxic tank. The pipeline mixer 32 is fully mixed to form a phosphate salt suspension, which enters the sedimentation tank 5 together with the microbial film that has fallen off from the biochemical reaction for mud-water separation.

One end of the water outlet 18 of the first combined tank close to the first tank body 17 is clamped with a first water passage orifice plate 19, and the first partition 20 divides the inner cavity of the first tank body 17 into an anoxic tank and an anaerobic tank. And the inner cavity of the anoxic tank and the anaerobic tank are filled with a number of suspension ball fillers 21 .

When in use, the first water-passing orifice plate 19 traps the suspended ball filler 21 in the tank, and the anoxic tank and the anaerobic tank add the suspended ball filler 21 to remove the total nitrogen in the wastewater, and at the same time remove part of the easily degradable organic matter, improve the sewage. Biodegradable, improve the system's removal efficiency of total phosphorus.

One end of the first water inlet pipe port 24 close to the second tank body 27 is clamped with a second water passage orifice 25 , and one end of the aeration pipe group 26 close to the second tank body 27 is in fixed communication with the input end of the microporous aerator 33 . , the second partition 28 divides the inner cavity of the second tank 27 into an aerobic tank and an intermediate tank, and the inner cavity of the aerobic tank is filled with a number of polyurethane fillers 36 and PE fillers 37, and the top cover of the second tank 27 There is a first inspection cover 34, the microporous aerator 33 is electrically connected to an external power supply through a first switch button, and the microporous aerator 33 is supplied with air by the blower 13 through a pipeline.

When in use, the effluent from the anaerobic tank enters the aerobic tank, the polyurethane filler 36 and the PE filler 37 are added to the aerobic tank, the microporous aerator 33 is arranged at the bottom of the tank, and the air supply fan 13 supplies air to the tank for aeration and oxygen supply. Under oxygen conditions, the heterotrophic microorganisms attached to the polyurethane filler 36 and the PE filler 37 convert the organic matter in the sewage into CO2 and H2O to reduce the COD in the sewage; the nitrifying bacteria attached to the polyurethane filler 36 and the PE filler 37 convert the sewage into The ammonia nitrogen in the sewage is converted into nitrate nitrogen, which reduces the ammonia nitrogen in the sewage.

A sludge tank 43 is opened on one side of the top of the third tank 46 , a water outlet weir groove 44 is opened on the side of the third tank 46 away from the grid canal 1 and located at the bottom of the sludge tank 43 . The top is covered with a second inspection cover 47 .

When in use, the bottom of the sedimentation tank 5 is provided with an external discharge sludge gas lift pipe group 39 and a sludge return nozzle 41, wherein the sludge return nozzle 41 returns the sludge deposited at the bottom of the sedimentation tank 5 to the front end anoxic tank; The sludge air lift pipe group 39 automatically discharges the remaining part of the sludge into the sludge tank on a regular basis, and the supernatant liquid of the sludge tank is returned to the adjustment tank 2 and re-enters the sewage treatment system.

The nitrification liquid return pipe port 15 is fixedly connected with the nitrification liquid return outlet 29 through the first communication pipe, and the nitrification liquid return pump 9 is fixedly installed in the middle of the first communication pipe, and the nitrification liquid return pump 9 is connected to the external power supply through the second switch button. The sludge return pipe connection port 23 is fixedly connected with the sludge return pipe port 41 through the second communication pipe, and the sludge return pump 10 is fixedly installed inside the second communication pipe, and the sludge discharge pipe port 40 is connected to the sewage discharge pipe. The pipe is fixedly connected, one side of the sewage pipe is fixedly connected with the third vent 42, the middle of the sewage pipe is fixedly connected with the second vent 30, the end of the sewage pipe away from the sedimentation tank 5 is fixedly connected with the first vent pipe 16, and the sewage pipe is in fixed communication with the first vent pipe 16. The mud return pump 10 is electrically connected to the external power source through the third switch button.

When in use, the nitrifying liquid and the sedimentation tank are backflowed, which can greatly reduce the loss of activated sludge in the biochemical zone, maintain a higher sludge concentration in the biochemical zone, and improve the decomposition effect of COD and ammonia nitrogen.

The second passage of the three-way pipe is fixedly connected to the external sludge air lift pipe group 39 through the third communication pipe. The interior of the third communication pipe is fixedly installed with an electric butterfly valve 11. The electric butterfly valve 11 and the blower 13 are respectively connected through the fourth switch button and the fifth switch button is electrically connected with the external power supply.

When in use, a microporous aerator 33 is arranged at the bottom of the pool, and air is supplied by the blower 13 to aerate and supply oxygen in the pool. The organic matter is converted into CO2 and H2O to reduce the COD in the sewage.

The top of the dosing nozzle 31 is in fixed communication with the output end of the metering pump 7, the bottom end of the metering pump 7 is fixedly installed on the top of the dosing barrel 6, and the input end of the metering pump 7 is located in the inner cavity of the dosing barrel 6. The pump 7 is electrically connected to the external power source through the sixth switch button.

When in use, the metering pump 7 is used to quantitatively add the phosphorus removal agent, which is fully mixed by the pipeline mixer 32 to form a phosphorus salt suspension, which enters the sedimentation tank 5 together with the microbial film that has fallen off from the biochemical reaction for mud-water separation.

In specific use, the sewage enters into the grid canal 1 after being collected to remove large floating objects and suspended solids in the water and prevent them from clogging the subsequent equipment. , plays a very good role in stabilizing the subsequent biochemical treatment and avoids it being greatly impacted, and the effluent from the adjustment tank 2 enters the first combined tank 3 for treatment.

The first combined tank 3 is divided into an anoxic tank and an anaerobic tank by the first partition 20, and the suspension ball filler 21 is added in the anoxic tank, and the microorganisms attached to the suspension ball filler 21 will flow back from the intermediate tank under anoxic conditions. Nitrate nitrogen is converted into nitrogen gas in the middle, to remove the total nitrogen in the wastewater, and at the same time remove part of the easily degradable organic matter, the effluent from the anoxic tank enters the anaerobic tank, and the suspended ball filler 21 is also added in the tank. The medium and macromolecular organic matter is decomposed into small molecular organic matter, which improves the biodegradability of the sewage. At the same time, part of the sewage from the regulating tank is directly sent into the anaerobic tank, so that the phosphorus-accumulating microorganisms can obtain sufficient carbon source to fully release phosphorus, and improve the system's overall efficiency. Phosphorus removal efficiency.

The second partition 28 divides the second combined tank 4 into an aerobic tank and an intermediate tank, the effluent from the anaerobic tank enters the aerobic tank, the polyurethane filler 36 and the PE filler 37 are added into the aerobic tank, and a microporous aerator is arranged at the bottom of the tank 33. Aeration and oxygen supply are carried out in the pool by the air supply of the blower 13. Under aerobic conditions, the heterotrophic microorganisms attached to the polyurethane filler 36 and the PE filler 37 convert the organic matter in the sewage into CO2 and H2O, reducing the amount of pollutants in the sewage. COD; the nitrifying bacteria attached to the polyurethane filler 36 and the PE filler 37 convert the ammonia nitrogen in the sewage into nitrate nitrogen and reduce the ammonia nitrogen in the sewage.

The water outlet of the aerobic tank is provided with a second perforating plate 25, which traps the filler in the tank, and the effluent enters the intermediate tank. The tank is equipped with an air-lift return and pipeline mixer 32, and the air-lift return returns a part of the sewage in the intermediate tank to the front end of the hypoxia. The other part of the sewage in the middle tank and the phosphorus removal agent are fully mixed through the pipeline mixer 32 to form a phosphorus salt suspension, and together with the microbial film that has fallen off the biochemical reaction, it enters the sedimentation tank 5 for mud-water separation, and the supernatant liquid from the sedimentation tank 5 passes through ultraviolet rays. Disinfector 8 is discharged up to the standard after disinfection.

The bottom of the sedimentation tank 5 is provided with an external discharge sludge gas lift pipe group 39 and a sludge return nozzle 41, wherein the sludge return nozzle 41 returns the sludge deposited at the bottom of the sedimentation tank 5 to the front end anoxic tank; The lifting pipe group 39 automatically discharges the remaining part of the sludge into the sludge tank, the supernatant liquid of the sludge tank is returned to the regulating tank 2 and re-enters the sewage treatment system, and the bottom sludge is regularly extracted by a fecal suction truck and transported out for treatment.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present invention, any modifications, equivalent replacements, improvements, etc. made should be included within the protection scope of the present invention.

Claims (8)

1. The utility model provides a combination upright pot-type sewage treatment device, includes grid ditch (1), its characterized in that: the fixed intercommunication of output of grid ditch (1) has equalizing basin (2), the fixed intercommunication of output of equalizing basin (2) has first combination jar (3), the fixed intercommunication of output of first combination jar (3) has second combination jar (4), the fixed intercommunication of output of second combination jar (4) has sedimentation tank (5), the fixed intercommunication of output of sedimentation tank (5) has ultraviolet disinfector (8), first combination jar (3) are including the group of pipes that intake (14), nitrify liquid return pipe mouth (15), first blow-down pipe (16), the first jar of body (17), first combination jar delivery port (18), first baffle (20), screen cloth (22) and sludge return pipe (23), the surface of the first jar of body (17) has the group of pipes that intake (14), nitrify liquid return pipe mouth (15) and distribute in proper order, A first emptying pipe (16), a first combined tank water outlet (18) and a sludge return pipe connecting port (23), wherein a screen mesh (22) is clamped at the bottom of the inner wall of the first tank body (17), a first partition plate (20) is fixedly connected to the middle part of the bottom end of the inner cavity of the first tank body (17), the second combined tank (4) comprises a first water inlet pipe orifice (24), an aeration pipe group (26), a second tank body (27), a second partition plate (28), a nitrified liquid backflow outlet (29), a second emptying port (30), a dosing pipe orifice (31), a pipeline mixer (32), a microporous aerator (33) and a water outlet pipe orifice (35), the first water inlet pipe orifice (24), the second emptying port (30), the nitrified liquid backflow outlet (29) and the pipe group (26) are sequentially and annularly distributed on the surface of the second tank body (27) from left to right, and the microporous aerator (33) is fixedly installed at the bottom end of the inner cavity of the second tank body (27), one side of the inner cavity of the second tank body (27) is fixedly connected with a second partition plate (28), one side of the top of the second tank body (27) is fixedly communicated with a drug adding pipe orifice (31), one end of the drug adding pipe orifice (31) penetrates into the inner cavity of the second tank body (27) and is fixedly communicated with a pipeline mixer (32), the bottom end of the pipeline mixer (32) is fixedly communicated with a water outlet pipe orifice (35), one end of the water outlet pipe orifice (35) penetrates through the second tank body (27) and extends to the outside, the settling tank (5) comprises a second water inlet pipe orifice (38), an outer sludge stripping pipe group (39), an outer sludge draining pipe orifice (40), a sludge backflow pipe orifice (41), a third emptying orifice (42), a filler support (45), a third tank body (46) and an inclined pipe filler (48), and the surface of the third tank body (46) is sequentially and annularly distributed with the second water inlet pipe orifice (38), The sludge discharging device comprises an outer discharging sludge pipe orifice (40), a third vent orifice (42), a sludge return pipe orifice (41) and an outer discharging sludge gas stripping pipe group (39), wherein a filler support (45) is fixedly connected to the bottom of an inner cavity of a third tank body (46), a third tank body (46) is filled at the top of the filler support (45), the aeration pipe group (26) is fixedly communicated with the output end of a blower (13) through a three-way pipe, the blower (13) is fixedly installed at the top of a blower cabinet (12), and a first switch button, a second switch button, a third switch button, a fourth switch button, a fifth switch button and a sixth switch button are fixedly installed on the front surface of the blower cabinet (12).

2. The combined vertical tank type sewage treatment apparatus according to claim 1, wherein: one end joint that first combination jar delivery port (18) are close to first jar body (17) has first water pore plate (19) of crossing, first baffle (20) divide into the inner chamber of first jar body (17) oxygen deficiency pond and anaerobism pond, just the inner chamber in oxygen deficiency pond and anaerobism pond all is filled has a plurality of suspension ball filler (21).

3. The combined vertical tank type sewage treatment apparatus according to claim 1, wherein: a second water passing pore plate (25) is clamped at one end, close to the second tank body (27), of the first water inlet pipe orifice (24), one end, close to the second tank body (27), of the aeration pipe group (26) is fixedly communicated with the input end of the microporous aerator (33), the inner cavity of the second tank body (27) is divided into an aerobic pool and a middle pool by the second partition plate (28), a plurality of polyurethane fillers (36) and PE fillers (37) are filled in the inner cavity of the aerobic pool, a first inspection cover plate (34) is covered at the top of the second tank body (27), and the microporous aerator (33) is electrically connected with an external power supply through a first switch button; the micropore aerator (33) is supplied with air by a blower (13) through a pipeline.

4. The combined vertical tank type sewage treatment apparatus according to claim 1, wherein: a sludge groove (43) is formed in one side of the top of the third tank body (46), a water outlet weir groove (44) is formed in one side, far away from the grating channel (1), of the third tank body (46) and located at the bottom of the sludge groove (43), and a second inspection cover plate (47) covers the top of the third tank body (46).

5. The combined vertical tank type sewage treatment apparatus according to claim 1, wherein: nitrify liquid backward flow mouth (15) through first communicating pipe with nitrify liquid backward flow export (29) fixed intercommunication, just the middle part fixed mounting of first communicating pipe has nitrify liquid backwash pump (9), nitrify liquid backwash pump (9) through second shift knob and external power supply electric connection.

6. The combined vertical tank type sewage treatment apparatus according to claim 1, wherein: mud back flow connector (23) are through the fixed intercommunication of second communicating pipe and mud back flow mouth of pipe (41), just the inside fixed mounting of second communicating pipe has mud reflux pump (10), outer mud mouth of pipe (40) and the fixed intercommunication of blow off pipe of arranging, one side and the fixed intercommunication of third drain (42) of blow off pipe, the middle part and the fixed intercommunication of second drain (30) of blow off pipe, the one end and the fixed intercommunication of first blow off pipe (16) that sedimentation tank (5) were kept away from to the blow off pipe, mud reflux pump (10) are through third shift knob and external power supply electric connection.

7. The combined vertical tank type sewage treatment apparatus according to claim 1, wherein: the second of three-way pipe leads to through the fixed intercommunication of third communicating pipe and outer mud gas exhaust bank of tubes group (39), the inside fixed mounting of third communicating pipe has electronic butterfly valve (11), electronic butterfly valve (11) and forced draught blower (13) are respectively through fourth shift knob and fifth shift knob and external power source electric connection.

8. The combined vertical tank type sewage treatment apparatus according to claim 1, wherein: the top that adds medicine mouth of pipe (31) and the fixed intercommunication of output of measuring pump (7), the bottom fixed mounting of measuring pump (7) is at the top of adding explosive barrel (6), just the input of measuring pump (7) is located the inner chamber of adding explosive barrel (6), measuring pump (7) are through sixth shift knob and external power supply electric connection.

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