CN115367958A - Chemical and urban sewage treatment control equipment and method - Google Patents

Abstract

The invention belongs to the technical field of sewage treatment equipment, and particularly relates to chemical and urban sewage treatment control equipment and a method. Through the setting of automatic air supply system, when carrying out the cultivation of anaerobe, will make nitrogen machine even go into circulation air flue through the pipeline, supply nitrogen gas in the box and with unnecessary gas loss, quick realization oxygen dilutes and reaches anaerobe living environment, and goes into circulation air flue with the oxygenerator, alright with the cultivation environment that aerobic bacteria needs of building out fast, and gaseous through the special-shaped gas distribution pipe drum homodisperse, establish the cultivation environment in sewage fast.

Description

Chemical and urban sewage treatment control equipment and method

Technical Field

The invention relates to the technical field of sewage treatment equipment, in particular to chemical and urban sewage treatment control equipment and a method.

Background

The sewage treatment is a process for purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage, and in the sewage treatment of chemical engineering and cities, physical treatment and chemical treatment are required, and in the sewage treatment, the sewage of the chemical engineering and the cities contains organic waste, and aerobic bacteria and anaerobic bacteria are required to be cultured and decomposed, so that the effect of purifying the sewage by decomposing the organic matters is achieved.

When the existing wastewater treatment equipment decomposes organic matters, the oxygen content in the treatment chamber needs to be controlled, in order to provide the living environment of aerobic bacteria, a top opening is mostly adopted to provide the required oxygen, and anaerobic culture is adopted, the oxygen is gradually consumed by sealing to realize the gradual reduction of the oxygen content, but the control mode has slow effect, so that the culture speed of flora is slow, and the treatment speed is influenced.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides chemical and urban sewage treatment control equipment and a method.

In order to achieve the purpose, the invention adopts the following technical scheme:

a chemical and urban sewage treatment control device comprises a box body, wherein a water inlet frame is arranged on the upper portion of the box body, a middle cylinder with a water outlet formed in the upper portion is arranged in the middle of the water inlet frame in a penetrating mode, a lifting frame is rotatably arranged on the outer side of the middle cylinder, a water distribution pipe is arranged at the end portion of the middle cylinder, a pump transmitter is arranged on the outer side of the box body, an air suction pipe is arranged at the top end of the pump transmitter, the lower portion of the pump transmitter is connected with a nitrogen making machine and an oxygen making machine through reversing valves, and the nitrogen making machine and the oxygen making machine are connected with a gas distribution pipe through three-way valves;

sewage gets into the box through the frame of intaking, and pump sender collocation nitrogen generator and oxygenerator provide nitrogen gas or oxygen in to the box through the gas distribution pipe, build the living environment of good oxygen fungus and anaerobism in the box, and impurity is along with the bubble come-up, and the lifting frame rotates the sewage upper portion direction water distribution pipe with upper portion round well section of thick bamboo to from keeping away from lifting frame one side and discharging into the box, promote impurity to the lifting frame direction, build clean building environment.

Preferably, the front end and the rear end of the lifting frame are provided with pushing pieces, the pushing pieces are arranged in the middle of the inner side of the water inlet frame, the middle of the lifting frame is provided with an arc plate with an elbow, and the right end of the water inlet frame penetrates through the box body;

sewage is from the left hand right side through the frame of intaking, and then promotes the promotion piece and makes the lifting frame rotate, utilizes water supply power as lifting frame rotation power to the elbow of arc board can be with more impurity leading-in well section of thick bamboo, improve lifting efficiency.

Preferably, a water outlet matched with the water distribution pipe is formed in the upper portion of the right end of the box body, a storage box is installed below the middle cylinder at the right end of the water distribution pipe, a filter plate is obliquely arranged in the storage box, and an insertion piece is installed at the end portion of the storage box;

sewage is at the downward delivery port that flows of direction of water distribution pipe to filter in the filter plate position, stay impurity in storing the box, store the box and compress tightly through bolt and water distribution pipe connection, the inserted sheet easy to assemble when the back dress returns after the dismantlement is aligned and is stored the box.

Preferably, a top cover is installed at the top end of the box body, an escape pipe is installed at the rear part of the top cover in a penetrating mode, and the air suction pipe penetrates through the front part of the top cover and extends into the box body;

the air suction pipe sucks the internal air into the pump feeder to be mixed with the generated nitrogen and oxygen, and the dissipation pipe can discharge the redundant internal air to prevent the internal air pressure from being too high.

Preferably, the air distribution pipe comprises a plurality of groups of concentric circular pipes, the circular pipes are connected through communicating pipes, the communicating pipes are arranged in a left-right staggered manner, and nozzles are mounted at the top ends of the circular pipes;

the ring canal evenly covers the box space, and the collocation shower nozzle is gaseous even loss to the sewage in.

Preferably, the nozzle comprises a spray sleeve, a sealing structure is arranged inside the spray sleeve, a centrifugal impeller is rotatably arranged at the upper part of the sealing structure, the centrifugal impeller comprises a middle sleeve, special-shaped blades are arranged on the outer side of the middle sleeve, the upper parts of the special-shaped blades are arranged to be vertical pieces, and the lower parts of the special-shaped blades are arranged to be inclined pieces;

the sealing structure can seal the top end of the spraying sleeve, overcomes the elasticity of the spring in the gas machine firstly, and then discharges from the spraying sleeve, so that the gas outlet pressure can be improved, the gas blows the centrifugal impeller to rotate, and the gas can be pushed out all around through the centrifugal force generated by the vertical pieces, so that the gas outlet uniformity is improved.

Preferably, the sealing structure comprises a baffle and a sealing frame, the sealing frame and the baffle are assembled in an inserting mode, a middle rod is installed in the middle of the sealing frame, a guide sleeve is installed on the outer side of the middle rod in a sleeved mode, the middle frame is installed on the outer side of the guide sleeve, and a spring is installed between the side wall of the lower portion of the guide sleeve and the side wall of the bottom end of the sealing frame;

the sealing frame is matched with the baffle plate to realize sealing, and the sealing frame is pushed by gas to move upwards to drive the middle rod to move upwards and elongate the spring.

Preferably, the upper part of the spray sleeve is provided with an air outlet ring, the top end of the middle rod is provided with a top cap, the bottom end of the top cap is provided with a scraping ring matched with the air outlet ring, the scraping ring comprises a ring frame, the lower end of the ring frame is in sliding contact with the outer part of the air outlet ring, and the middle part of the ring frame is provided with a through hole in a penetrating manner;

the setting of spring, the top cap can be sealed at the ring of will giving vent to anger when the end of giving vent to anger, when being given vent to anger the ring and blockking up, also can strike off the impurity in the ring outside of giving vent to anger through descending ring of scraping for gaseous follow through-hole discharge realizes the automatically cleaning effect, and after clean, the gas of giving vent to anger smooth and easy sealed frame top will discharge, makes the atmospheric pressure difference rise about the sealed frame, gives vent to anger once more.

Preferably, the method for treating sewage by using the chemical and urban sewage treatment control equipment comprises the following steps:

1) When sewage enters the box body from the water inlet frame and an anaerobic environment is created, the nitrogen generator is powered to supply nitrogen into the pipeline, the pump transmitter sucks gas out of the upper part of the box body, the gas is mixed with the generated nitrogen and then is blown into the box body from the gas distribution pipe, and redundant gas in the box body is discharged from the dissipation pipe, so that the oxygen content in the gas in the box body is rapidly reduced, and the anaerobic environment is created;

2) When the aerobic environment is created, the oxygen generator is powered to supply nitrogen to the pipeline, the pump transmitter sucks gas from the upper part of the box body, the gas is mixed with the generated oxygen and then is blown into the box body from the gas distribution pipe, the redundant gas in the box body is discharged from the dissipation pipe, the oxygen content in the gas in the box body is quickly increased, and the aerobic environment is created;

3) The concentric ring pipe of the gas distribution pipe can uniformly cover the inner space, the spray heads on the ring pipe uniformly give off gas, the gas can push the internal centrifugal impeller to rotate, and the gas is centrifugally pushed out to the periphery through the vertical pieces to uniformly give off gas, so that the gas is rapidly dispersed into the sewage;

4) Before the gas is discharged out of the spray head, the internal air pressure acts on the sealing frame firstly, the spring is stretched and then is sprayed out of the gas outlet ring, so that the gas outlet air pressure is superposed with the elastic potential energy of the spring, the gas outlet pressure is increased, the internal air pressure of the box body is further increased, and the rate of dissolving the gas in water is increased;

5) When the air outlet is finished, the air pressure difference between the upper side and the lower side of the sealing frame is gradually reduced, the spring gradually rebounds to drive the top cap to move downwards to seal the air outlet ring, so that sewage is prevented from entering the air distribution pipe after the air outlet is completely stopped, the cleanness of the pipeline is ensured, when the air outlet ring is blocked, the air pressure difference between the upper side and the lower side of the sealing frame is also gradually reduced, at the moment, the spring drives the top cap to move downwards, the scraping ring is driven to scrape impurities on the outer wall of the air outlet ring from top to bottom, the air outlet ring is ventilated after the scraping, the air is discharged from the through hole until the air pressure difference between the upper side and the lower side of the sealing frame is gradually increased, and the air pressure drives the top cap to move upwards again to continuously discharge air;

6) Sewage gets into the box from the frame of intaking, because gaseous come-up produces the air supporting effect, float inside solid impurity in the sewage surface, it rotates to drive the lifting frame through promoting the piece when intaking, the arc board of lifting frame drives upper sewage and impurity to well section of thick bamboo upper portion, impurity can be filtered by the filter plate and stay, sewage can flow the delivery port of box right part from the frame of intaking, promote upper portion impurity to lifting frame direction, realize quick solid air supporting edulcoration, purify and cultivate the fungus environment, later alright with add the fungus mother and cultivate the fungus, then carry out the decomposition of organic matter in the sewage, last through gas analysis appearance detection inside oxygen content in the middle of the decomposition, when being not conform to preset threshold value, suitable environment is made to the restart apparatus.

Has the beneficial effects that:

compared with the prior art, the chemical and urban sewage treatment control equipment and the method have the advantages that:

1. through the arrangement of the automatic air supply system, when the anaerobic bacteria are cultured, the nitrogen generator is connected into the circulating air passage through the pipeline, nitrogen is supplied into the box body, redundant gas is dissipated, oxygen dilution is quickly realized to reach the survival environment of the anaerobic bacteria, the oxygen generator is connected into the circulating air passage, the culture environment required by the aerobic bacteria can be quickly created, the gas is blown into the circulating air passage through the special-shaped gas distribution pipe to be uniformly dispersed, and the culture environment is quickly established in sewage;

2. the special-shaped gas distribution pipe adopts a concentric annular reciprocating channel, is matched with a centrifugal impeller pushed by gas outlet at a gas outlet position, disperses and pushes gas out from the periphery of the spray head, and uniformly blows the gas into sewage;

3. when the air blowing is finished, the air pressure difference between the two sides of the sealing frame is gradually reduced, the spring is gradually rebounded to pass through the middle rod and the pull-down top cap, the position of the air outlet ring is sealed through the top cap, external sewage enters the air blowing pipe to cause the pipeline to be blocked by impurities when the air pressure is gradually reduced after the air blowing is finished, and when the position of the air outlet ring is blocked, the spring rebounds to rebound and pull-down the top cap to simultaneously drive the scraping ring to move downwards for impurity cleaning, so that the smooth air outlet is ensured;

4. the installation has the lifting frame that promotes the piece in the position of intaking, lifts upper portion sewage to well section of thick bamboo position gradually, collects the storage box with the impurity that the sewage top layer floated because of the air supporting effect that the drum gas produced to the sewage that will filter is discharged back to washing away surface layer impurity to lifting frame direction from lifting frame opposite side, avoids the impurity of floating to pile up in the position of keeping away from lifting frame, guarantees quick collection of impurity in the sewage and filters, purifies the fungus environment of cultivating.

Drawings

FIG. 1 is a schematic structural diagram of a chemical and municipal sewage treatment control device according to the present invention;

FIG. 2 is a structural diagram of a chemical and municipal sewage treatment control device according to the present invention with the top cover removed;

FIG. 3 is a schematic view of the upper part of a chemical and municipal sewage treatment control device according to the present invention;

FIG. 4 is a schematic structural diagram of a storage box of the chemical and municipal sewage treatment control equipment according to the present invention;

FIG. 5 is a schematic view of a partial structure of a control device for chemical and municipal sewage treatment according to the present invention;

FIG. 6 is a schematic sectional view of a nozzle of the control device for chemical and municipal sewage treatment according to the present invention;

FIG. 7 is a diagram showing a disassembled relationship of the internal structure of the nozzle of the chemical and municipal sewage treatment control equipment according to the present invention;

fig. 8 is an enlarged schematic view of a point a in fig. 6.

In the figure: the nitrogen generator comprises a box body 1, a water distribution pipe 2, an air suction pipe 3, a pump device 4, a nitrogen generator 5, an oxygen generator 6, a storage box 7, a water inlet frame 8, a spray head 9, a dissipation pipe 10, a lifting frame 11, a water outlet 12, a middle barrel 13, an arc plate 14, a pushing sheet 15, a water passing port 16, a ring pipe 17, an inserting sheet 18, a filter plate 19, a communicating pipe 20, a top cap 91, a centrifugal impeller 92, a middle frame 93, a baffle plate 94, a spraying sleeve 95, a sealing structure 96, a scraping ring 97, an air outlet ring 98, a special-shaped blade 921, a middle sleeve 922, a sealing frame 961, a middle rod 962, a spring 963, a guide sleeve 964, a ring frame 971 and a through hole 972.

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.

Referring to fig. 1-8, the present invention provides three technical solutions:

example one

The utility model provides a chemical industry and municipal sewage treatment controlgear, including box 1, frame 8 of intaking is installed on 1 upper portion of box, 8 middle parts of frame of intaking run through install upper portion and set up the well section of thick bamboo 13 of crossing the mouth of a river 16, well section of thick bamboo 13 outside is rotated and is installed and lift frame 11, water distribution pipe 2 is installed to well section of thick bamboo 13 tip, pump sender 4 is installed in the 1 outside of box, breathing pipe 3 is installed on 4 tops of pump sender, 4 lower parts of pump sender are connected with nitrogen generator 5 and oxygenerator 6 through the switching-over valve, nitrogen generator 5 and oxygenerator 6 have the gas distribution pipe through three-way valve connection.

Specifically, the front end and the rear end of the lifting frame 11 are provided with pushing pieces 15, the pushing pieces 15 are arranged in the middle of the inner side of the water inlet frame 8, the middle of the lifting frame 11 is provided with an arc plate 14 with an elbow, and the right end of the water inlet frame 8 penetrates through the communicating box body 1.

Further, 1 right-hand member upper portion of box is provided with and joins in marriage water pipe 2 complex delivery port 12, and 2 right-hand members of joining in marriage water pipe are located well section of thick bamboo 13 below and install and store box 7, store the filter plate 19 that the inside slope of box 7 set up, store box 7 tip and install inserted sheet 18.

Still further, the top cap is installed on the top of box 1, and the loss pipe 10 is installed to top cap rear portion through-going, and breathing pipe 3 runs through the top cap front portion and extends to inside the box 1.

Sewage enters the box body 1 through the water inlet frame 8, the pump feeder 4 is matched with the nitrogen making machine 5 and the oxygen making machine 6 to provide nitrogen or oxygen into the box body 1 through the gas distribution pipe, a living environment of aerobic bacteria and anaerobic bacteria is built in the box body 1, impurities float up along with bubbles, the lifting frame 11 rotates around the middle cylinder 13 to guide the upper part of the sewage to the water distribution pipe 2 and is discharged into the box body 1 from one side far away from the lifting frame 11, the impurities are pushed towards the lifting frame 11 to build a clean building environment, the sewage passes through the water inlet frame 8 from left to right and further pushes the pushing piece 15 to rotate the lifting frame 11, water supply power is used as the rotating power of the lifting frame 11, the elbow of the arc plate 14 can guide more impurities into the middle cylinder 13, the lifting efficiency is improved, the sewage flows downwards to the water outlet 12 under the guiding of the water distribution pipe 2 and is filtered at the position of the filter plate 19, the impurities are left in the storage box 7, the storage box 7 is tightly connected with the water distribution pipe 2 through bolts, the storage box 7 is conveniently installed and aligned when the storage box 18 is installed back after being disassembled, the gas suction pipe 3 sucks the gas inside of the pump feeder 4 and the oxygen and produced, the mixed gas produced can be discharged out of the nitrogen and the nitrogen mixing pipe 10, and the nitrogen can be prevented from excessive nitrogen.

Example two

The utility model provides a chemical industry and municipal sewage treatment controlgear, including box 1, frame 8 of intaking is installed on 1 upper portion of box, 8 middle parts of frame of intaking run through install upper portion and set up the well section of thick bamboo 13 of crossing the mouth of a river 16, well section of thick bamboo 13 outside is rotated and is installed and lift frame 11, water distribution pipe 2 is installed to well section of thick bamboo 13 tip, pump sender 4 is installed in the 1 outside of box, breathing pipe 3 is installed on 4 tops of pump sender, 4 lower parts of pump sender are connected with nitrogen generator 5 and oxygenerator 6 through the switching-over valve, nitrogen generator 5 and oxygenerator 6 have the gas distribution pipe through three-way valve connection.

Specifically, the air distribution pipe comprises a plurality of groups of concentric ring pipes 17, the ring pipes 17 are connected through communicating pipes 20, the communicating pipes 20 are arranged in a left-right staggered mode, and the spray heads 9 are installed at the top ends of the ring pipes 17.

It is worth noting that shower nozzle 9 is including spouting cover 95, spouts cover 95 internally mounted and has seal structure 96, and seal structure 96 upper portion is rotated and is installed centrifugal impeller 92, and centrifugal impeller 92 is including well cover 922, and special-shaped blade 921 is installed to well cover 922 outside, and special-shaped blade 921 upper portion sets up to vertical piece, and special-shaped blade 921 lower part sets up to the slope piece.

It should be noted that the sealing structure 96 includes a baffle 94 and a sealing frame 961, the sealing frame 961 and the baffle 94 are assembled by plugging, a middle rod 962 is installed in the middle of the sealing frame 961, a guide sleeve 964 is installed outside the middle rod 962 in a sleeved manner, a middle frame 93 is installed outside the guide sleeve 964, and a spring 963 is installed between the lower side wall of the guide sleeve 964 and the bottom end side wall of the sealing frame 961;

furthermore, spout cover 95 upper portion and install out gas ring 98, top cap 91 is installed on the top of king-rod 962, and scraping ring 97 with the ring 98 complex of giving vent to anger is installed to top cap 91 bottom, scrapes ring 97 and includes ring frame 971, and ring frame 971 lower extreme and the outside sliding contact of ring 98 of giving vent to anger run through in the middle part of ring frame 971 and seted up through-hole 972.

The ring pipe 17 evenly covers the box 1 space, the collocation shower nozzle 9 is in with gaseous even dissipation to sewage in, seal structure 96 can be sealed with spouting the cover 95 top, overcome spring 963's elasticity earlier in the gas machine, again from spouting the cover 95 discharge, can improve the pressure of giving vent to anger, gaseous blowing centrifugal impeller 92 rotates, centrifugal force that can produce through vertical piece is pushed gas to pushing out all around, improve the homogeneity of giving vent to anger, seal frame 961 collocation baffle 94 realizes sealedly, seal frame 961 is promoted by gas and goes upward can drive king rod 962 and go upward, and lengthen spring 963, the setting of spring 963, top cap 91 can be sealed with the ring 98 of giving vent to anger when finishing, when being blockked up by the ring 98 of giving vent to anger, also can scrape the impurity of the gas ring 98 outside through descending scraping ring 97, make gas discharge from through-hole 972, realize self-cleaning effect, after the cleanness is finished, the gas that smoothly gives vent to anger the gas above the ring 961 will discharge, make the difference of gas pressure rise from top and bottom of seal frame 961, give vent to anger again, go to anger again.

EXAMPLE III

A method for treating wastewater by using chemical and urban sewage treatment control equipment comprises the following steps:

1) When sewage enters the box body 1 from the water inlet frame 8 and an anaerobic environment is created, the nitrogen generator 5 is powered to supply nitrogen to the pipeline, the pump device 4 sucks gas from the upper part of the box body 1, the gas is mixed with the generated nitrogen and then is blown into the box body 1 from the gas distribution pipe, and redundant gas in the box body is discharged from the dissipation pipe 10, so that the oxygen content in the gas in the box body 1 is rapidly reduced, and the anaerobic environment is created;

2) When the aerobic environment is created, the oxygen generator 6 is powered to supply nitrogen to the pipeline, the pump feeder 4 sucks gas from the upper part of the box body 1, the gas is mixed with the generated oxygen and then is blown into the box body 1 from the gas distribution pipe, the redundant gas in the box body is discharged from the dissipation pipe 10, the oxygen content in the gas in the box body 1 is quickly increased, and the aerobic environment is created;

3) The concentric ring pipe 17 of the gas distribution pipe can uniformly cover the inner space, the spray heads 9 on the ring pipe 17 uniformly discharge gas, and the discharged gas can push the internal centrifugal impeller 92 to rotate, and the gas is centrifugally pushed out to the periphery through the vertical pieces to uniformly discharge the gas, so that the gas is rapidly dispersed into the sewage;

4) Before the gas is discharged out of the spray head 9, the internal air pressure acts on the sealing frame 961, the spring 963 is stretched and then is sprayed out of the gas outlet ring 98, so that the gas outlet pressure is superposed with the elastic potential energy of the spring 963, the gas outlet pressure is increased, the internal air pressure of the box body 1 is further increased, and the rate of dissolving the gas in water is increased;

5) When the air outlet is finished, the air pressure difference between the upper side and the lower side of the sealing frame 961 is gradually reduced, the spring 963 gradually rebounds to drive the top cap 91 to move downwards to seal the air outlet ring 98, so that sewage is prevented from entering the air distribution pipe after the air outlet is completely stopped, the cleanness of the pipeline is ensured, when the air outlet ring 98 is blocked, the air pressure difference between the upper side and the lower side of the sealing frame 961 is also gradually reduced, at the moment, when the spring 963 drives the top cap 91 to move downwards, the scraping ring 97 is driven to scrape impurities on the outer wall of the air outlet ring 98 from top to bottom, the air outlet ring 98 is ventilated after being scraped, the air is discharged from the through hole 972 until the air pressure difference between the upper side and the lower side of the sealing frame 961 is gradually increased, and the air pressure drives the top cap 91 to move upwards again to continuously exhaust air;

6) Sewage gets into in the box 1 from frame 8 that intakes, because gaseous come-up produces the air supporting effect, float inside solid impurity on the sewage surface, it rotates to drive lift frame 11 through promoting piece 15 when intaking, lift frame 11's arc board 14 drives upper sewage and impurity to well section of thick bamboo 13 upper portion, impurity can be filtered by filter plate 19 and remain, sewage can flow to the delivery port 12 of box 1 right part from frame 8 that intakes, it promotes upper portion impurity to lift frame 11 direction, realize quick solid air supporting edulcoration, purify and cultivate the fungus environment, afterwards alright add the fungus mother and cultivate, then carry out the decomposition of organic matter in the sewage, last through gas analyzer detection inside oxygen content in the middle of the decomposition, when not being conform to preset threshold value, just start equipment once more and make suitable environment.

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 able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims (9)

1. The utility model provides a chemical industry and municipal sewage treatment controlgear, includes box (1), its characterized in that, box (1) upper portion is installed and is intake frame (8), it runs through and installs well section of thick bamboo (13) that mouth of a river (16) were seted up on upper portion to intake frame (8) middle part, well section of thick bamboo (13) outside is rotated and is installed lifting frame (11), well section of thick bamboo (13) tip is installed water distribution pipe (2), pump sender (4) are installed in the box (1) outside, breathing pipe (3) are installed on pump sender (4) top, pump sender (4) lower part is connected with nitrogen generator (5) and oxygenerator (6) through the switching-over valve, nitrogen generator (5) and oxygenerator (6) have the distribution pipe through three-way valve connection.

2. The chemical and municipal sewage treatment control device according to claim 1, wherein the front and rear ends of the lifting frame (11) are equipped with pushing pieces (15), and the middle of the lifting frame (11) is equipped with an arc plate (14) with an elbow.

3. The chemical and urban sewage treatment control device according to claim 2, wherein a water outlet (12) matched with the water distribution pipe (2) is arranged at the upper part of the right end of the box body (1), a storage box (7) is arranged at the right end of the water distribution pipe (2) below the middle cylinder (13), and a filter plate (19) is obliquely arranged in the storage box (7).

4. The chemical and municipal sewage treatment control equipment according to claim 3, wherein the top of the tank (1) is installed with a dissipation pipe (10) through, and the air suction pipe (3) extends into the tank (1) through the front of the top of the tank (1).

5. The chemical and municipal sewage treatment control equipment according to claim 1, wherein said gas distribution pipe comprises multiple concentric sets of collars (17), said collars (17) are connected by communicating pipes (20), and said collars (17) are provided with nozzles (9) at the top.

6. The chemical and municipal sewage treatment control equipment according to claim 5, wherein the spray head (9) comprises a spray sleeve (95), a sealing structure (96) is installed inside the spray sleeve (95), a centrifugal impeller (92) is rotatably installed on the upper portion of the sealing structure (96), the centrifugal impeller (92) comprises a middle sleeve (922), and a special-shaped blade (921) is installed on the outer side of the middle sleeve (922).

7. The chemical and municipal sewage treatment control device according to claim 6, wherein the sealing structure (96) comprises a baffle (94) and a sealing frame (961), a middle rod (962) is installed in the middle of the sealing frame (961), a guide sleeve (964) is installed outside the middle rod (962), a middle frame (93) is installed outside the guide sleeve (964), and a spring (963) is installed between the lower side wall of the guide sleeve (964) and the bottom end side wall of the sealing frame (961).

8. The chemical and municipal sewage treatment control device according to claim 7, wherein the upper part of the spray sleeve (95) is provided with an air outlet ring (98), the top end of the middle rod (962) is provided with a top cap (91), the bottom end of the top cap (91) is provided with a scraping ring (97), the scraping ring (97) comprises a ring frame (971), and the middle part of the ring frame (971) is provided with a through hole (972) in a penetrating manner.

9. The method for wastewater treatment by chemical and municipal wastewater treatment control equipment according to any of claims 1 to 8, comprising the steps of:

1) Sewage enters the box body (1) from the water inlet frame (8), when the anaerobic environment is created, the nitrogen generator (5) is powered to supply nitrogen to a pipeline, the pump feeder (4) sucks gas from the upper part of the box body (1), the gas is mixed with the generated nitrogen and then is blown into the box body (1) from the gas distribution pipe, redundant gas in the box body is discharged from the dissipation pipe (10), the oxygen content in the gas in the box body (1) is rapidly reduced, and the anaerobic environment is created;

2) When the aerobic environment is created, the oxygen generator (6) is powered to supply nitrogen to the pipeline, the pump feeder (4) sucks gas out of the upper part of the box body (1), the gas is mixed with the generated oxygen and then is blown into the box body (1) from the gas distribution pipe, the redundant gas in the box body is discharged from the dissipation pipe (10), the oxygen content in the gas in the box body (1) is quickly increased, and the aerobic environment is created;

3) When gas is supplied to the box body (1), the concentric ring pipe (17) of the gas distribution pipe can uniformly cover the inner space, the spray head (9) on the ring pipe (17) uniformly gives out gas, the gas gives out gas to push the inner centrifugal impeller (92) to rotate, the gas is centrifugally pushed out to the periphery through the vertical piece, and dispersed small bubbles are used for supplying gas, so that the gas is rapidly dispersed into sewage;

4) Before the gas is discharged out of the spray head (9), the internal gas pressure acts on the sealing frame (961) firstly, the spring (963) is stretched and then is sprayed out of the gas outlet ring (98), so that the gas outlet pressure is superposed with the elastic potential energy of the spring (963), the gas outlet pressure is increased, the internal gas pressure of the box body (1) is further increased, and the rate of dissolving the gas in water is increased;

5) When the air outlet is finished, the spring (963) rebounds gradually to drive the top cap (91) to move downwards to seal the air outlet ring (98), so that the sewage is prevented from entering the air distribution pipe after the air outlet is completely stopped, when the air outlet ring (98) is blocked, the air pressure difference between the upper side and the lower side of the sealing frame (961) is gradually reduced, the scraping ring (97) scrapes impurities on the outer wall of the air outlet ring (98) from top to bottom, the air outlet ring (98) is ventilated after scraping, the air is discharged from the through hole (972) until the air pressure difference between the upper side and the lower side of the sealing frame (961) is gradually increased, and the air pressure can drive the top cap (91) to move upwards again to realize self cleaning;

6) Sewage gets into in box (1) from frame (8) of intaking, drive lifting frame (11) through promoting piece (15) and rotate when intaking, arc board (14) of lifting frame (11) drive the sewage and the impurity on upper strata to well section of thick bamboo (13) upper portion, impurity can be filtered by filter plate (19) and leave, sewage can flow delivery port (12) of box (1) right part from frame (8) of intaking, promote upper portion impurity to lifting frame (11) direction, realize quick solid air supporting edulcoration, the bacterium environment is banked up with the purification.

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