CN216764468U

CN216764468U - A energy-saving denitrification facility for municipal administration sewage advanced treatment

Info

Publication number: CN216764468U
Application number: CN202123050821.0U
Authority: CN
Inventors: 杜峰; 陆益; 虞明月; 刘孔钦
Original assignee: Jiangsu Hengji Xinfa Environmental Technology Co ltd
Current assignee: Jiangsu Hengji Xinfa Environmental Technology Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-06-17
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses an energy-saving denitrification device for advanced municipal sewage treatment, which relates to the technical field of sewage treatment and comprises a tank body, wherein a feeding pipe is fixedly communicated with one side of the top of the tank body, a stirring assembly is arranged in the tank body, the other side of the top of the tank body is fixedly connected with a purification box, a U-shaped groove is formed in the bottom of the purification box, the top of the tank body is positioned in the U-shaped groove and is fixedly communicated with a pressure relief valve, a plurality of purification devices which are distributed equidistantly are arranged on the inner wall of the bottom of the purification box, the top of the purification box is connected with a grid cover plate through hinges, the purification devices comprise a central pipe, air holes which are distributed equidistantly are formed in the circumferential outer wall of the central pipe, and a primary filter layer and a depth filter layer are sequentially fixed on the circumferential outer wall of the central pipe. The utility model can deeply treat the sewage and the discharged gas can reach the discharge standard.

Description

A energy-saving denitrification facility for municipal administration sewage advanced treatment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to an energy-saving denitrification device for advanced municipal sewage treatment.

Background

The 'Chinese environmental situation bulletin' in 2017 indicates that nitrogen compounds are still one of the main pollutants in partial fresh water watersheds and lakes (reservoirs) in China. In 2018, the lunar newspaper of surface water quality of nationwide shows that major river basins (including Yangtze river, yellow river, Huai river, sea river and the like) in China are seriously polluted by nitrogen, and more than 45 percent of fresh water lakes are in a slight or slightly eutrophication state.

Nitrogen in sewage exists in four forms of organic nitrogen, ammonia nitrogen, nitrite nitrogen and nitrate nitrogen, wherein biological denitrification is a common mode, and the biological denitrification is a process for converting the organic nitrogen and the ammonia nitrogen into N2 and NxO gas under the action of microorganisms. The method comprises two reaction processes of nitrification and denitrification.

However, when the existing biological denitrification tank is used for denitrification by adding microorganisms, whether the microorganisms fully react with sewage or not is not considered, so that the sewage treatment is not complete.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an energy-saving denitrification device for advanced municipal wastewater treatment. The method has the advantages that sewage and microorganisms can fully react, and the method is energy-saving and environment-friendly.

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

the utility model provides an energy-saving denitrification device for municipal administration sewage advanced treatment, includes a jar body, the fixed intercommunication in top one side of the jar body has the inlet pipe, the inside of the jar body is provided with the stirring subassembly, jar body top opposite side fixed connection purifying box, and the bottom of purifying box has seted up the U-shaped groove, jar body top is located the U-shaped inslot fixed intercommunication and has the pressure relief valve, the purifier that a plurality of equidistance distribute is installed to the bottom inner wall of purifying box, there is the net apron at the top of purifying box through hinged joint.

Through the technical scheme: during the use, at first insert sewage and microorganism culture solution at the inlet pipe, when the inside of the jar body contains 90% sewage, stop to insert sewage, start agitating unit, strengthen reaction rate, make the reaction more abundant, can carry out the advanced treatment to sewage, the microorganism is when breeding in sewage, can consume the heat and discharge carbon dioxide gas and reaction waste gas simultaneously, thereby let the atmospheric pressure of jar internal portion increase, make the pressure release valve open, exhaust, gaseous purifier through purifying box internally mounted purifies the back and exhausts, make the combustion gas can reach emission standard.

This practicality further sets up to: the purification device comprises a central tube, air holes distributed at equal intervals are formed in the circumferential outer wall of the central tube, and a primary filtering layer and a depth filtering layer are sequentially fixed on the circumferential outer wall of the central tube.

Through the technical scheme: waste gas passing through the inside of the central tube is filtered through the primary filter layer and the depth filter layer in sequence through the air holes and then is discharged, the purification effect on the waste gas is effectively improved, and the discharged waste gas is pollution-free and reaches the discharge standard.

This practicality further sets up to: the two ends of the primary filtering layer, the two ends of the depth filtering layer and the two ends of the central tube are all arranged in a sealing mode, and a through hole communicated with the bottom of the central tube is formed in the bottom of the purifying box.

Through the technical scheme: utilize the through-hole for the waste gas of jar internal reaction is through the pressure relief valve, gets into the purifying box through the through-hole and inside carries out purification process.

This practicality further sets up to: the inside fixedly connected with a plurality of mount pads in the bottom of purifying box, purifier's bottom gomphosis is in the notch of mount pad.

Through the technical scheme: utilize the setting of connecting seat for purifier can be convenient for install and dismantle, makes things convenient for the clearance in later stage to change.

This practicality further sets up to: the stirring assembly comprises a rotating motor fixed at the top of the tank body, an output shaft of the rotating motor is fixedly connected with a connecting rod located in the tank body, and a plurality of stirring rods are fixed on the outer wall of the circumference of the connecting rod.

Through the technical scheme: utilize the rotating electrical machines to drive the puddler and stir the liquid and the microorganism of jar internal portion, the going on of reaction and the discharge of waste gas are accelerated.

This practicality further sets up to: the shape of puddler is V font structure, and is fixed with the net board between puddler and the connecting rod.

Through the technical scheme: the utility model has the advantages of utilize the puddler that the shape is V font structure to strengthen puddler's stability and durability, under the effect of grid plate, play the stirring effect of large tracts of land simultaneously.

This practicality further sets up to: the outer wall top fixedly connected with arc filter of connecting rod, fixedly connected with V font branch between the bottom both sides of arc filter and the outer wall of puddler.

Through the technical scheme: utilize the arc filter to rotate under rotating electrical machines's effect, make the liquid that gets into from the inlet pipe can receive the collision of arc filter under hand and filter, reduce the falling speed of liquid and break up liquid, help also getting the stirring, V font branch not intake duct supporting role simultaneously plays the stirring effect moreover.

This practicality further sets up to: a scraper is arranged on one side of the inner wall of the bottom of the tank body in a clinging mode, and the scraper is fixed to the outer wall of the stirring rod through a connecting rod.

Through the technical scheme: under the drive of rotating electrical machines, the scraper blade rotates, when stirring the bottom inner wall of the jar body, and can prevent jar body bottom inner wall crystallization gas shell.

The utility model has the beneficial effects that:

1. according to the utility model, firstly, sewage and microorganism culture solution are fed into the feeding pipe, when 90% of sewage is contained in the tank body, the feeding of the sewage is stopped, the stirring device is started, the reaction rate is enhanced, the reaction is more sufficient, the sewage can be deeply treated, and when microorganisms propagate in the sewage, heat can be consumed and carbon dioxide gas and reaction waste gas can be discharged, so that the air pressure in the tank body is increased, the pressure relief valve is opened to discharge air, the air is purified by the purification device arranged in the purification box and then discharged, and the discharged air can reach the discharge standard.

2. According to the utility model, the purification device comprises the central tube, the circumferential outer wall of the central tube is provided with the air holes distributed at equal intervals, the circumferential outer wall of the central tube is sequentially fixed with the primary filter layer and the depth filter layer, and waste gas passing through the interior of the central tube is filtered by the primary filter layer and the depth filter layer through the air holes and then discharged, so that the purification effect on the waste gas is effectively improved, the discharged waste gas is pollution-free and reaches the discharge standard.

3. According to the utility model, the stirring assembly comprises the rotating motor, the rotating motor and the stirring rod, the rotating motor is used for driving the stirring rod to stir liquid and microorganisms in the tank body, so that reaction and waste gas discharge are accelerated, the stirring rod is in a V-shaped structure, the grid plate is fixed between the stirring rod and the connecting rod, the stirring rod in the V-shaped structure is used for enhancing the stability and durability of the stirring rod, and meanwhile, under the action of the grid plate, a large-area stirring effect is achieved, so that the reaction is sufficient, and the sewage can be deeply treated.

Drawings

FIG. 1 is a schematic perspective view of an energy-saving denitrification apparatus for advanced municipal wastewater treatment according to the present invention;

FIG. 2 is a schematic diagram of a partial cross-sectional structure of an energy-saving denitrification device for advanced municipal wastewater treatment according to the utility model;

FIG. 3 is a schematic sectional view of a purification box of an energy-saving denitrification device for advanced municipal wastewater treatment according to the utility model;

FIG. 4 is an enlarged schematic structural view A in FIG. 3 of an energy-saving denitrification apparatus for municipal wastewater advanced treatment according to the present invention.

In the figure: 1. a tank body; 2. a feed pipe; 3. a rotating electric machine; 4. a stirring rod; 5. a grid plate; 6. a V-shaped support rod; 7. an arc-shaped filter plate; 8. a squeegee; 9. a purification box; 10. a grid cover plate; 11. a U-shaped groove; 12. a pressure relief valve; 13. a through hole; 14. a central tube; 15. a preliminary filtering layer; 16. a depth filtration layer; 17. and (4) air holes.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, an energy-saving denitrification device for municipal wastewater advanced treatment comprises a tank body 1, wherein a feeding pipe 2 is fixedly communicated with one side of the top of the tank body 1, a stirring assembly is arranged in the tank body 1, a purification tank 9 is fixedly connected with the other side of the top of the tank body 1, a U-shaped groove 11 is formed in the bottom of the purification tank 9, the top of the tank body 1 is fixedly communicated with a pressure relief valve 12 in the U-shaped groove 11, a plurality of purification devices distributed equidistantly are mounted on the inner wall of the bottom of the purification tank 9, and a grid cover plate 10 is connected to the top of the purification tank 9 through a hinge.

Referring to fig. 2-4, the purification device comprises a central tube 14, the circumferential outer wall of the central tube 14 is provided with air holes 17 distributed at equal intervals, the circumferential outer wall of the central tube 14 is sequentially fixed with a primary filter layer 15 and a depth filter layer 16, waste gas passing through the interior of the central tube 14 is sequentially filtered by the primary filter layer 15 and the depth filter layer 16 through the air holes 17 and then discharged, the purification effect on the waste gas is effectively improved, the discharged waste gas is pollution-free and reaches the discharge standard, the primary filter layer 15, the depth filter layer 16 and the two ends of the central tube 14 are hermetically arranged, the bottom of the purification box 9 is provided with a through hole 13 communicated with the bottom of the central tube 14, the waste gas reacted in the tank body 1 passes through a pressure relief valve 12 and enters the interior of the purification box 9 through the through hole 13 to carry out the purification process, the bottom of the purification box 9 is fixedly connected with a plurality of mounting seats, purifier's bottom gomphosis utilizes the setting of connecting seat in the notch of mount pad for purifier can be convenient for install and dismantle, makes things convenient for the clearance in later stage to change.

Referring to fig. 2, the stirring assembly includes a rotating electrical machine 3 fixed on the top of the tank 1, an output shaft of the rotating electrical machine 3 is fixedly connected with a connecting rod located inside the tank 1, a plurality of stirring rods 4 are fixed on the outer wall of the circumference of the connecting rod, the rotating electrical machine 3 is used to drive the stirring rods 4 to stir the liquid and the microorganisms inside the tank 1, the reaction is accelerated, and the waste gas is discharged, the stirring rods 4 are in a V-shaped structure, a grid plate 5 is fixed between the stirring rods 4 and the connecting rod, the stirring rods 4 in a V-shaped structure are used to enhance the stability and durability of the stirring rods 4, meanwhile, under the action of the grid plate 5, a large-area stirring effect is achieved, an arc-shaped filter plate 7 is fixedly connected on the top of the outer wall of the connecting rod, V-shaped support rods 6 are fixedly connected between the two sides of the bottom of the arc-shaped filter plate 7 and the outer wall of the stirring rods 4, and the arc-shaped filter plate 7 is used, and rotate under the effect of rotating electrical machines 3, make the liquid that gets into from inlet pipe 2 can receive the collision of arc filter 7 under hand and filter, reduce the falling speed of liquid and break up liquid, help also to get the stirring, V font branch 6 does not have the intake duct supporting role simultaneously, and play the stirring effect, the bottom inner wall one side of the jar body 1 is hugged closely and is provided with scraper blade 8, scraper blade 8 passes through the connecting rod and fixes the outer wall at puddler 4, under rotating electrical machines 3's drive, scraper blade 8 rotates, when stirring the bottom inner wall of the jar body 1, and can prevent the crystallization gas shell of the bottom inner wall of the jar body 1.

The working principle is as follows: during the use, at first access sewage and microorganism culture solution at inlet pipe 2, when the inside of the jar body 1 contains 90% sewage, stop to insert sewage, start agitating unit, strengthen reaction rate, make the reaction more abundant, can carry out the advanced treatment to sewage, the microorganism is when breeding in sewage, can consume the heat and discharge carbon dioxide gas and reaction waste gas simultaneously, thereby let the atmospheric pressure of the jar body 1 inside increase, make pressure release valve 12 open, exhaust, gaseous purification back exhaust through the purifier of purifying box 9 internally mounted, make the combustion gas can reach emission standard.

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

Claims

1. The utility model provides an energy-saving denitrification device for municipal administration sewage advanced treatment, includes a jar body (1), the fixed intercommunication in top one side of the jar body (1) has inlet pipe (2), its characterized in that, the inside of the jar body (1) is provided with the stirring subassembly, jar body (1) top opposite side fixed connection purifying box (9), and the bottom of purifying box (9) has seted up U-shaped groove (11), the jar body (1) top is located U-shaped groove (11) internal fixation intercommunication and has pressure relief valve (12), a plurality of equidistance distribution's purifier is installed to the bottom inner wall of purifying box (9), there is net apron (10) at the top of purifying box (9) through hinged joint.

2. The energy-saving denitrification device for the advanced municipal sewage treatment according to claim 1, wherein the purification device comprises a central pipe (14), the outer circumferential wall of the central pipe (14) is provided with air holes (17) distributed at equal intervals, and a primary filter layer (15) and a depth filter layer (16) are sequentially fixed on the outer circumferential wall of the central pipe (14).

3. The energy-saving denitrification device for the advanced municipal sewage treatment according to claim 2, wherein the primary filter layer (15), the depth filter layer (16) and the central pipe (14) are hermetically arranged at both ends, and the bottom of the purification box (9) is provided with a through hole (13) communicated with the bottom of the central pipe (14).

4. The energy-saving denitrification device for the advanced municipal sewage treatment according to claim 3, wherein a plurality of mounting seats are fixedly connected to the inside of the bottom of the purification box (9), and the bottom of the purification device is embedded in the notches of the mounting seats.

5. The energy-saving denitrification device for the advanced municipal sewage treatment according to claim 1, wherein the stirring assembly comprises a rotating motor (3) fixed on the top of the tank body (1), the output shaft of the rotating motor (3) is fixedly connected with a connecting rod positioned inside the tank body (1), and a plurality of stirring rods (4) are fixed on the circumferential outer wall of the connecting rod.

6. The energy-saving denitrification device for the advanced municipal sewage treatment according to claim 5, wherein the stirring rod (4) is V-shaped, and a grid plate (5) is fixed between the stirring rod (4) and the connecting rod.

7. The energy-saving denitrification device for the advanced municipal sewage treatment according to claim 6, wherein the top of the outer wall of the connecting rod is fixedly connected with an arc-shaped filter plate (7), and V-shaped supporting rods (6) are fixedly connected between the two sides of the bottom of the arc-shaped filter plate (7) and the outer wall of the stirring rod (4).

8. The energy-saving denitrification device for the advanced municipal sewage treatment according to claim 7, characterized in that one side of the bottom inner wall of the tank (1) is closely provided with a scraper (8), and the scraper (8) is fixed on the outer wall of the stirring rod (4) through a connecting rod.