CN213295075U - Advanced denitrification sewage treatment system - Google Patents

Abstract

The utility model relates to a degree of depth denitrogenation sewage treatment system mainly is applied to the sewage treatment field, too high to the dissolved oxygen in the sewage, the problem of basicity consumption. The utility model discloses a sedimentation tank, biochemical pond, denitrification pond, backwash pump, overflow pipe, biochemical pipe, filter tube, steel fillings filter and get and trade the board, the sedimentation tank passes through the overflow pipe to be connected with biochemical pond, and biochemical pond passes through biochemical union coupling in the left side of steel fillings filter, and the filter tube is passed through on the right side of steel fillings filter to be connected with the denitrification pond, and the denitrification pond passes through the backwash pump to be connected with biochemical pond, gets to trade the board and is located the steel fillings filter directly over. Through the filtration of the steel scrap filter, the dissolved oxygen in the sewage can be reduced. According to actual conditions, still can adjust the quantity of filtering the post, simultaneously, the steel fillings filter still is equipped with the device that swiftly gets to trade. The metal chips in the steel chip filter are oxidized by dissolved oxygen and then are dissolved into water, so that the alkalinity consumed in the system can be supplemented.

Description

Advanced denitrification sewage treatment system

Technical Field

The utility model relates to a degree of depth denitrogenation sewage treatment system belongs to the sewage treatment field.

Background

At present, in a deep denitrification sewage treatment system, denitrification reaction needs to be carried out under the condition of oxygen deficiency or oxygen-free condition, the dissolved oxygen in sewage can greatly inhibit the denitrification reaction in the sewage, and the over-high oxygen content can even stop the denitrification reaction. Meanwhile, the alkalinity generated by the denitrification reaction is not enough to compensate the alkalinity generated by the nitrification reaction, and manpower and material resources are consumed to adjust the alkalinity of the sewage. At present, an advanced denitrification sewage treatment system which can reduce the content of dissolved oxygen in sewage and balance the alkalinity of the sewage is lacked.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a deep denitrification sewage treatment system which can reduce the content of dissolved oxygen in sewage and balance the alkalinity of sewage.

The utility model provides a technical scheme that above-mentioned problem adopted is: the advanced denitrification sewage treatment system is structurally characterized in that: including biochemical pond, denitrification pond, overflow pipe, backwash pump, back flow and sedimentation tank, the overflow pipe is located the upper right end of sedimentation tank, the sedimentation tank passes through the overflow pipe and is connected with biochemical pond, the denitrification pond passes through the back flow and is connected with biochemical pond, the backwash pump is installed on the back flow, its characterized in that: the device also comprises a steel scrap filter, an installation position, a replacing plate, a first motor, a second motor, a lifting rope, a fixed hook, a guide wheel, a rotating wheel, a filter column, sawteeth, a first driving shaft, a first rack, a first rotating column, a second rack, a second driving shaft, a rope iron ring, a biochemical tube, a filter tube, a backflow tube, a left supporting frame, a right supporting frame, a rotating ball, an arc-shaped groove and a ceiling, wherein the left end of the steel scrap filter is connected with the biochemical tank through the biochemical tube, the right end of the steel scrap filter is connected with the denitrification tank through the filter tube, the installation position is arranged on the bottom surface inside the steel scrap filter, the replacing plate is of a circular plate structure and is positioned right above the steel scrap filter, a plurality of sawteeth are distributed around the replacing plate, the first rack is fixed on the first rotating column along the axial direction of the first rotating column, the sawteeth at the left end of the replacing plate are meshed with the first rack on the first rotating column, the second rack is fixed on the second rotary column along the axis direction of the second rotary column, the sawtooth at the right end of the taking and changing plate is meshed with the second rack on the second rotary column, the fixed hook is hinged at the bottom of the taking and changing plate, the filtering column is hung on the fixed hook, the rope iron ring is fixed at the top of the taking and changing plate, the free end of the lifting rope is connected with the rope iron ring, the guide wheel is fixed on the ceiling, the lifting rope passes through the guide wheel, the fixed end of the lifting rope is fixed on the rotating wheel, the second motor is fixed at the top of the denitrification tank, the rotating wheel is connected with the second driving shaft of the second motor, the left support frame and the right support frame are both fixed on the ceiling, the first motor is fixed at the bottom of the left support frame, the first rotary column is connected with the first driving wheel of the first motor, the bottom of the right support frame is provided with a circle of arc-shaped groove, the top of the second rotary column is provided with a rotary ball with the shape matched with the, the rotating ball is positioned in the arc-shaped groove at the bottom of the right supporting frame. The steel scrap filter column can reduce the content of dissolved oxygen in sewage, the generated metal oxide is dissolved in water, the alkalinity of the sewage can be adjusted, the number of the filter columns in the steel scrap filter can be adjusted according to actual conditions, and the filter columns in the steel scrap filter can be quickly replaced through the replacing plate.

Furthermore, the inside of steel scrap filter be equipped with 3 installation positions, can be according to sewage volume, adjust the quantity of filter column in the installation position.

Furthermore, the installation position constitute by two distances and the iron plate that filters the column bottom diameter assorted, the iron plate is fixed in the bottom of steel fillings filter for the position of fixed filtration column.

Furthermore, the steel scrap filter also comprises three sealing covers which are arranged at the top of the steel scrap filter and can prevent the filtering columns from being oxidized by oxygen in the air.

Furthermore, the filter column also comprises a semicircular iron arc which is arranged at the top of the filter column and is used for connecting a fixed hook on the taking and replacing plate, so that the taking and replacing are convenient.

Further, the fixed hook total six, the fixed hook top with articulated mode with get the board of trading and be connected, can place reserve filtration post, simultaneously, articulated connected mode can promote the flexibility ratio of fixed hook, conveniently filters getting of post and trades.

Furthermore, the fork of the free end of the lifting rope is three, the lifting rope is tied on three rope iron rings of the taking and replacing plate respectively, the relative position of the taking and replacing plate can be fixed, the inclination is prevented, and the taking and replacing of the filter column are influenced.

Furthermore, the rotating wheel also comprises a handle, and the handle is fixed on the side edge of the rotating wheel and can be used for manually lifting the replacing plate under special conditions.

Furthermore, an anti-oxidation film is wound on the cylindrical surface of the filter column to prevent the spare filter column from being oxidized in the air.

Compared with the prior art, the utility model, have following advantage and effect: a steel scrap filter is additionally arranged between the biochemical tank and the denitrification tank, so that dissolved oxygen in water can be reduced, and meanwhile, after the generated metal oxide is dissolved in water, the alkalinity in the water can be improved, and the alkalinity balance in sewage can be maintained. According to actual conditions, can adjust the quantity of filtering post in the steel fillings filter as required, in addition, still set up and get and trade the board, through the rotation of a motor and No. two motors, drive respectively and get the rotation and the lift of trading the board, the convenient filtration post of getting among the steel fillings filter of trading, labour saving and time saving.

Drawings

In order to more clearly illustrate the embodiments and/or prior art solutions of the present invention, the drawings used in the description of the embodiments and/or prior art will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the related components for driving the take-and-change plate to go up and down and driving the take-and-change plate to rotate in the embodiment of the present invention.

Fig. 3 is an enlarged schematic view of a portion I in fig. 2.

Fig. 4 is a schematic sectional view of the plane a-a in fig. 3.

Fig. 5 is a schematic top view of the replacing plate according to the embodiment of the present invention.

In the figure: 1-a biochemical pool; 2-a denitrification tank; 3-an overflow pipe; 4-steel scrap filter; 5, replacing the plate; 6-reflux pump; 7-biochemical tube; 8-a filter tube; 9-a return pipe; a-a left support frame; b-a right support frame; c-a rolling ball; d-an arc-shaped groove; e-a sedimentation tank; 41-mounting position; 411-iron block; 48-sealing cover; 51-motor number one; 52-motor number two; 53-lifting rope; 54-fixed hook; 55-a guide wheel; 56-rotating wheel; 57-a filter column; 58-a handle; 501-sawtooth; 511-drive shaft number one; 512-rack I; 513-column one; 514-column rotation No. two; 515-rack number two; 521-drive shaft number two; 531-cord iron ring; 571-iron arc.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

Referring to fig. 1 to 5, it should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, in the present specification, if the terms such as "upper", "lower", "left", "right", "middle", and "one" are used, they are not intended to limit the scope of the present invention, but to limit the range of the present invention.

The advanced denitrification sewage treatment system in the embodiment comprises a biochemical tank 1, a denitrification tank 2, an overflow pipe 3, a steel scrap filter 4, a replacing plate 5, a reflux pump 6, a biochemical pipe 7, a filter pipe 8, a reflux pipe 9 and a sedimentation tank E. Overflow pipe 3 is located the upper right end of sedimentation tank E, and sedimentation tank E is connected with biochemical pond 1 through overflow pipe 3, and biochemical pond 1 passes through biochemical pipe 7 to be connected in the left side of steel scrap filter 4, and the right side of steel scrap filter 4 is passed through filter tube 8 and is connected with denitrification pond 2, and denitrification pond 2 passes through back flow 9 and is connected with biochemical pond 1, backwash pump 6 installs on back flow 9.

The inside of steel fillings filter 4 in this embodiment is equipped with 3 installation positions 41, comprises two distances and the iron plate 411 of the bottom diameter assorted of filter column 57, and iron plate 411 is fixed in the bottom of steel fillings filter 4, can be used to the position of the filter column 57 of fixed placement, according to actual conditions, the quantity of adjustable filter column 57. The top of the steel scrap filter 4 is provided with three sealing covers 48 which can prevent the filter column 57 in the steel scrap filter 4 from being oxidized by oxygen in the air.

The top of the filter column 57 in this embodiment is provided with a semicircular iron arc 571 for connecting the fixing hook 54 at the bottom of the replacing plate 5.

The advanced denitrification sewage treatment system in this embodiment further comprises: a left support frame A and a right support frame B. Left branch strut A and right branch strut B are all fixed on ceiling F, and a motor 51 is fixed in left branch strut A's bottom, a commentaries on classics post 513 is connected with a drive wheel 511 of a motor 51, and right branch strut B's bottom is equipped with round arc wall D, the top of No. two commentaries on classics posts 514 is provided with the arc wall D assorted spin ball C of size and shape and right branch strut B bottom, spin ball C is arranged in the arc wall D of right branch strut B bottom.

The taking and replacing plate 5 in the embodiment is a circular plate structure, the taking and replacing plate 5 is positioned right above the steel scrap filter 4, a plurality of saw teeth 501 are distributed around the taking and replacing plate 5, a first rack 512 is fixed on the first rotary column 513 along the axial direction of the first rotary column 513, the saw teeth 501 at the left end of the taking and replacing plate 5 are meshed with the first rack 512 on the first rotary column 513, a second rack 515 is fixed on the second rotary column 514 along the axial direction of the second rotary column 514, the saw teeth 501 at the right end of the taking and replacing plate 5 are meshed with the second rack 515 on the second rotary column 514, a fixed hook 54 is hinged at the bottom of the taking and replacing plate 5, a filter column 57 is hung on the fixed hook 54, a rope iron ring 531 is fixed at the top of the taking and replacing plate 5, the free end of a lifting rope 53 is connected on the rope iron ring 531, a guide wheel 55 is fixed on a ceiling F, a second motor 52 is fixed at the top of a denitrification pool 2, a rotary wheel 56 is connected with a second driving shaft 521 of the second motor 52, lift cord 53 is threaded through guide wheel 55 and the fixed end of lift cord 53 is secured to runner 56. The free ends of the lifting ropes 53 are three in branch, and are respectively tied on three rope iron rings 531 of the taking and replacing plate 5, so that the relative positions of the taking and replacing plate 5 can be fixed, the inclination is prevented, and the taking and replacing of the filter column 57 are influenced. When the filter column 57 needs to be replaced, the second motor 52 rotates the rotating wheel 56, so that the lifting rope 53 lowers the replacing plate 5, the sealing cover 48 on the steel scrap filter 4 is opened, and the fixing hook 54 at the bottom of the replacing plate 5 penetrates through the iron arc 571 of the used filter column 57. Then the rotating wheel 56 is rotated to lift the position of the replacing plate 5, the first motor 51 is utilized to rotate the replacing plate 5 by 180 degrees, the standby filter column 57 is aligned with the installation position 41, the used filter column 54 is rotated to the other side, the anti-oxidation film wound on the surface of the standby filter column 54 is torn off, the replacing plate 5 is put down, the standby filter column 54 is placed in the installation position 41 of the steel scrap filter 4, finally, the sealing cover 48 at the top of the steel scrap filter 4 is closed, the filter column 57 in the steel scrap filter 4 is prevented from being oxidized by air, and the filter column 54 is rapidly replaced in this way, so that time and labor are saved.

The operation flow of the advanced denitrification sewage treatment system in the embodiment is as follows: firstly, sewage in a sedimentation tank E overflows into a biochemical tank 1 through an overflow pipe 3, nitrification and denitrification are carried out through microorganisms in the biochemical tank 1, ammonia nitrogen, total nitrogen and organic matters in the sewage are removed, dissolved oxygen in the sewage is reduced through a steel scrap filter 4, finally, the sewage with low dissolved oxygen is sent into a denitrification tank 2 for further denitrification, the denitrification tank 2 is refluxed into the biochemical tank 1 through a reflux pump 6 after denitrification, a cyclic deep denitrification process is carried out, when a filter column 57 needs to be replaced, a rotating wheel 56 is rotated through a second motor 52, a lifting rope 53 is made to put down a replacing plate 5, a sealing cover 48 on the steel scrap filter 4 is opened, and a fixing hook 54 at the bottom of the replacing plate 5 penetrates through an iron arc 571 of the used filter column 57. Then the rotating wheel 56 is rotated to lift the position of the replacing plate 5, the first motor 51 is utilized to rotate the replacing plate 5 by 180 degrees, the standby filter column 57 is aligned with the installation position 41, the used filter column 54 is rotated to the other side, the anti-oxidation film wound on the surface of the standby filter column 54 is torn off, the replacing plate 5 is put down, the standby filter column 54 is placed in the installation position 41 of the steel scrap filter 4, and finally the sealing cover 48 at the top of the steel scrap filter 4 is closed to prevent air from oxidizing the filter column 57 in the steel scrap filter 4.

In addition, it should be noted that the shapes of the components, the names of the components, and the like of the embodiments described in the present specification may be different, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (9)

1. The utility model provides a degree of depth denitrogenation sewage treatment system, includes biochemical pond (1), denitrification pond (2), overflow pipe (3), backwash pump (6), back flow (9) and sedimentation tank (E), overflow pipe (3) are located the upper right end of sedimentation tank (E), sedimentation tank (E) are connected with biochemical pond (1) through overflow pipe (3), denitrification pond (2) are connected with biochemical pond (1) through back flow (9), install on back flow (9) backwash pump (6), its characterized in that: the device also comprises a steel scrap filter (4), a mounting position (41), a replacing plate (5), a first motor (51), a second motor (52), a lifting rope (53), a fixing hook (54), a guide wheel (55), a rotating wheel (56), a filtering column (57), sawteeth (501), a first driving shaft (511), a first rack (512), a first rotating column (513), a second rotating column (514), a second rack (515), a second driving shaft (521), a rope iron ring (531), a biochemical pipe (7), a filtering pipe (8), a backflow pipe (9), a left supporting frame (A), a right supporting frame (B), a rotating ball (C), an arc-shaped groove (D) and a ceiling (F), wherein the left end of the steel scrap filter (4) is connected with the biochemical tank (1) through the biochemical pipe (7), and the right end of the steel scrap filter (4) is connected with the denitrification tank (2) through the filtering pipe (8), the installation position (41) is arranged on the bottom surface inside the steel scrap filter (4), the taking and replacing plate (5) is of a circular plate structure, the taking and replacing plate (5) is located right above the steel scrap filter (4), a plurality of saw teeth (501) are distributed on the periphery of the taking and replacing plate (5), the first rack (512) is fixed on the first rotary column (513) along the axis direction of the first rotary column (513), the saw teeth (501) at the left end of the taking and replacing plate (5) are meshed with the first rack (512) on the first rotary column (513), the second rack (515) is fixed on the second rotary column (514) along the axis direction of the second rotary column (514), the saw teeth (501) at the right end of the taking and replacing plate (5) are meshed with the second rack (515) on the second rotary column (514), the fixing hook (54) is hinged to the bottom of the taking and replacing plate (5), and the filtering column (57) is hung on the fixing hook (54), rope hoop (531) is fixed at the top of getting traded board (5), the free end of lift rope (53) is connected on rope hoop (531), leading wheel (55) are fixed on ceiling (F), and the stiff end that leading wheel (55) and lift rope (53) were passed in lift rope (53) is fixed on runner (56), No. two motor (52) are fixed at the top of denitrification pond (2), runner (56) are connected with No. two drive shaft (521) of No. two motor (52), left branch strut (A) all is fixed on ceiling (F) with right branch strut (B), No. one motor (51) is fixed in the bottom of left branch strut (A), a rotary column (513) is connected with a drive shaft (511) of a motor (51), the bottom of right branch strut (B) is equipped with round arc wall (D), the top of No. two rotary column (514) is provided with arc wall (D) of size and shape and right branch strut (B) bottom The rotating ball (C) is arranged in an arc-shaped groove (D) at the bottom of the right support frame (B).

2. The deep denitrification sewage treatment system according to claim 1, wherein: the steel scrap filter (4) is internally provided with 3 mounting positions (41).

3. The deep denitrification sewage treatment system according to claim 2, wherein: the installation position (41) consists of two iron blocks (411) which are matched with the diameter of the bottom of the filter column (57) in distance, and the iron blocks (411) are fixed at the bottom of the steel scrap filter (4).

4. The deep denitrification sewage treatment system according to claim 1, wherein: the steel scrap filter (4) further comprises three sealing covers (48) arranged at the top of the steel scrap filter (4).

5. The deep denitrification sewage treatment system according to claim 1, wherein: the filter column (57) also comprises a semicircular iron arc (571) which is arranged at the top of the filter column (57).

6. The deep denitrification sewage treatment system according to claim 1, wherein: the number of the fixed hooks (54) is six, and the top ends of the fixed hooks (54) are connected with the replacing plate (5) in a hinged mode.

7. The deep denitrification sewage treatment system according to claim 1, wherein: the free ends of the lifting ropes (53) are three in number and are respectively tied on three rope iron rings (531) of the taking and replacing plate (5).

8. The deep denitrification sewage treatment system according to claim 1, wherein: the rotating wheel (56) further comprises a handle (58), and the handle (58) is fixed on the side edge of the rotating wheel (56).

9. The deep denitrification sewage treatment system according to claim 1, wherein: an anti-oxidation film is wound on the cylindrical surface of the filter column (57).

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