CN114249459A

CN114249459A - Emission standard quality-improving and efficiency-increasing process for urban sewage treatment plant

Info

Publication number: CN114249459A
Application number: CN202111573645.0A
Authority: CN
Inventors: 刚杰; 李峰; 彭富强; 马伟
Original assignee: Anhui Fengshuo Environmental Engineering Co ltd
Current assignee: Anhui Fengshuo Environmental Engineering Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-03-29
Anticipated expiration: 2041-12-21
Also published as: CN114249459B

Abstract

The invention discloses an upgrading and efficiency increasing process for emission standards of urban sewage treatment plants, which comprises a treatment box, wherein two vertical plates are fixedly arranged in the treatment box, side racks are fixedly arranged between two side ends of the vertical plates and the treatment box, a transverse plate and a material collecting hopper are respectively fixedly arranged between one end of each vertical plate opposite to the corresponding vertical plate and the treatment box, a part for containing filtered sand is arranged in each sliding rack, and a part for controlling the vertical movement of a top frame plate is arranged at the inner top of the treatment box. According to the invention, firstly, through a three-in-one sewage treatment process, the efficiency and quality of sewage treatment are improved, and the purchase cost of a manufacturer on equipment and the occupation cost of a site are reduced, secondly, the top frame plate drives the two sliding connection frames fixed with the top frame plate to vertically move downwards, so that the switching of the filtering chambers is realized, and the filtering chambers are switched intermittently, so that the filtering mechanism can continuously and effectively filter sediments in sewage.

Description

Emission standard quality-improving and efficiency-increasing process for urban sewage treatment plant

Technical Field

The invention relates to the technical field of sewage discharge treatment, in particular to a quality and efficiency improving process for discharge standards of urban sewage treatment plants.

Background

Urban sewage is domestic sewage, industrial wastewater and runoff sewage in urban areas. Generally, the sewage is collected by urban canals and is discharged into water after being treated by an urban sewage treatment plant. In addition to containing a large amount of organic matters, germs and viruses in urban sewage, due to the advanced development of industry, the water quality of industrial wastewater (accounting for about 60-80% of the total amount of the urban sewage) is increasingly complex, and the pollution of runoff sewage is increasingly serious, so that the urban sewage contains various toxic and harmful pollutants of various types and degrees.

In order to meet the index of sewage discharge, a plurality of sewage treatment devices of different types are often required to be arranged in the treatment process, the sewage is subjected to flocculation precipitation, harmful chemical substances in the sewage are required to be removed through aeration equipment after the precipitation is removed, the sewage can be discharged outwards after being detected by a detection system, a plurality of corresponding treatment devices are required to be purchased by manufacturers through sewage decontamination treatment in different modes, higher cost is often required to be consumed in the laying field and purchase of the devices, secondly, after the harmful impurities in the sewage form precipitates, the precipitates formed in the sewage can be effectively removed through a sand filtering mode, however, the existing urban sewage treatment mechanism is difficult to clean and replace the sand filtering for filtering more sewage in time, and the circulation of the sewage is blocked due to the accumulation of more impurities in the sand filtering, if not in time clear up the impurity in filtering the sand, influence the circulation rate of sewage easily to be unfavorable for speed and the effect that sewage impurity deposits and gets rid of.

Disclosure of Invention

The invention aims to: in order to solve the problems, the emission standard upgrading and efficiency increasing process for the urban sewage treatment plant is provided.

In order to achieve the purpose, the invention adopts the following technical scheme: the device adopted by the sewage discharge standard quality-improving and efficiency-increasing process comprises the following steps: the treatment box is characterized in that two vertical plates are fixedly arranged inside the treatment box, side connection frames are fixedly arranged between two side ends of the vertical plates and the treatment box, a transverse plate and a material gathering hopper are fixedly arranged between the two vertical plates and the treatment box respectively, the treatment box forms a first chamber, a second chamber, a third chamber and a fourth chamber under the separation of the vertical plates, the transverse plate and the material gathering hopper, a stirring roller is rotatably arranged inside the first chamber, a first motor for controlling the rotation of the stirring roller is arranged at the outer end of the treatment box, a plurality of aeration pipes are arranged in the third chamber, two sliding connection frames are slidably arranged on one sides of the two vertical plates opposite to each other, the two sliding connection frames are fixedly connected through a top frame plate, a part for containing filtered sand is arranged in each sliding connection frame, a part for controlling the vertical movement of the top frame plate is arranged at the inner top of the treatment box, a strip-shaped opening communicated with the first chamber is arranged inside the vertical plate close to the side connection frames, two strip-shaped openings are formed in the vertical plate close to the material collecting hopper, the two strip-shaped openings are respectively communicated with the second chamber and the third chamber, and a component for transferring sewage is arranged outside the treatment box;

the sewage discharge standard quality-improving and efficiency-increasing process comprises the following steps:

s1, introducing the sewage into a first chamber in the treatment box, and adding a precipitation flocculant into the first chamber;

s2, starting the first motor to drive the stirring roller to rotate, so that the flocculating agent is fully mixed into the sewage, and the sewage is rapidly precipitated;

s3, controlling the vertical plate to move downwards, enabling the sewage in the first chamber to flow into the filtering chamber through the strip-shaped opening and the hole groove, and filtering sediments in the sewage under the action of sand filtering;

s4, enabling the filtered sewage to flow into the third chamber, and introducing air into the third chamber through an aerator pipe to remove COD (chemical oxygen demand) and BOD (biochemical oxygen demand) in the sewage;

and S5, introducing the water body in the third chamber into the fourth chamber through a component for transporting sewage, detecting the sewage by a detection mechanism, and discharging the sewage after the sewage is detected to be qualified.

Preferably, the top of the treatment box is formed with two openings, and the two openings correspond to the first chamber and the second chamber respectively.

Preferably, the sand filter holding part is a sand separating plate and a partition plate, the sand separating plate is arranged between the two sliding connection frames in a sliding mode, and the partition plates are fixedly arranged at the bottoms of the sand separating plate and the top frame plate.

Preferably, the sliding connection frame is internally provided with a plurality of hole slots corresponding to the sand-separating plates.

Preferably, the outer end of the sand-separating plate is fixedly provided with a driven cross frame, the side end of the driven cross frame is provided with a slide rod, and the inside of the side connecting frame is provided with a slide rail matched with the slide rod to slide.

Preferably, the part of control top frame board vertical movement is driving arm, second motor, two-way screw rod, swivel nut and support arm, the top of top frame board has set firmly first switching frame, the interior top of handling the case has set firmly the second switching frame, it is provided with the driving arm to rotate between first switching frame and the second switching frame.

Preferably, the inside of handling the case rotates and is provided with two-way screw rod, the outside of two-way screw rod closes soon and is provided with the swivel nut, it is provided with the support arm to rotate between swivel nut and the driving arm.

Preferably, the inside of the second chamber is provided with a sealing door for sealing the strip-shaped opening in a sliding manner, and the inner top of the treatment box is provided with a telescopic rod for controlling the sealing door to move vertically.

Preferably, the component for transporting sewage is a pump body arranged at the outer end of the treatment tank, and a communicating pipe fitting is arranged between the outside of the pump body and the third chamber and between the outside of the pump body and the fourth chamber.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. the utility model discloses a through be equipped with first cavity, second cavity, third cavity and fourth cavity in the treatment box, be equipped with the stirring roller in the first cavity, be equipped with the aeration pipe in the third cavity, let in sewage to the first cavity, and add precipitation flocculating agent to it, sewage in the first cavity flows into in filtering the cavity through bar opening and cell, filter the precipitate in sewage under the effect of straining sand, flow into again in the third cavity, in order to remove COD and BOD in the sewage, at last let in to the fourth cavity and carry out water quality testing to sewage, discharge after testing qualified, through the sewage treatment technology of tribit, make the impurity in the sewage form the sediment after quick, filter sand deep filtration, again through aeration system to its further decontamination treatment, discharge after finally getting into the testing room and testing qualified, improved sewage treatment's efficiency and quality, meanwhile, the purchase cost of the device and the occupation cost of the site by a manufacturer are reduced.

2. This application is through being equipped with in the treatment box and gathering the hopper, be equipped with two-way screw rod and driving arm in the treatment box, be equipped with the swivel nut on two-way screw rod, be equipped with the support arm between swivel nut and driving arm, it drives two-way screw rod and rotates to start the second motor, the swivel nut drives the driving arm through the support arm at the in-process that removes and rotates, and then make the roof plate drive rather than two fixed slip joint frame vertical downstream, the realization is to the switching of filtering the cavity, switch filtering the cavity through intermittent type nature, guarantee filtering mechanism can last effectual filtration treatment to the sediment in the sewage.

3. This application is through being equipped with the riser in the treatment box, be equipped with the slip frame in the riser inboard, be equipped with sand separating plate and baffle in slip frame inboard, be equipped with from the crossbearer on sand separating plate, the slip frame is at the in-process of downstream, the slide bar slides along the slide rail, drive under the oppression of slide rail and open the slip with the fixed sand separating plate of driven crossbearer to the outside, the filter sand will be followed from filtering the cavity landing this moment, and discharge to the outside of handling the case through the opening of handling the bottom of the case portion, so that the staff collects the processing to the filter sand that participates in the impurity and deposits.

Drawings

FIG. 1 illustrates a front perspective view provided in accordance with an embodiment of the present invention;

FIG. 2 illustrates a cross-sectional view provided in accordance with an embodiment of the present invention;

FIG. 3 illustrates a right side perspective cutaway view provided in accordance with an embodiment of the present invention;

FIG. 4 illustrates a left side perspective cross-sectional view provided in accordance with an embodiment of the present invention;

fig. 5 illustrates an exploded view provided in accordance with an embodiment of the present invention.

Illustration of the drawings:

1. a treatment tank; 101. a first chamber; 102. a second chamber; 103. a third chamber; 104. a fourth chamber; 2. a first motor; 3. a stirring roller; 4. a vertical plate; 401. a strip-shaped opening; 5. side connection frames; 501. a slide rail; 6. a transverse plate; 7. a gathering hopper; 8. a sliding connection frame; 9. a hole groove; 10. a top frame plate; 11. a partition plate; 12. a sand-isolation plate; 13. a driven cross frame; 14. a slide bar; 15. a first transfer frame; 16. a second adapter frame; 17. a drive arm; 18. a second motor; 19. a bidirectional screw; 20. a threaded sleeve; 21. a support arm; 22. sealing the door; 23. a telescopic rod; 24. an aeration pipe; 25. a pump body; 26. is communicated with the pipe fitting.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a device used for the emission standard quality-improving and efficiency-improving process of a town sewage treatment plant adopts the following steps: the device comprises a treatment box 1, wherein two vertical plates 4 are fixedly arranged inside the treatment box 1, side brackets 5 are fixedly arranged between two side ends of each vertical plate 4 and the treatment box 1, a transverse plate 6 and a collecting hopper 7 are respectively fixedly arranged between the opposite ends of the two vertical plates 4 and the treatment box 1, the treatment box 1 forms a first chamber 101, a second chamber 102, a third chamber 103 and a fourth chamber 104 under the separation of the vertical plates 4, the transverse plate 6 and the collecting hopper 7, a stirring roller 3 is rotatably arranged inside the first chamber 101, a first motor 2 for controlling the rotation of the stirring roller 3 is arranged at the outer end of the treatment box 1, a plurality of aeration pipes 24 are arranged in the third chamber 103, two sliding brackets 8 are slidably arranged at one side of each vertical plate 4, the two sliding brackets 8 are fixedly connected through a top frame plate 10, a part for containing filtered sand is arranged in each sliding bracket 8, a part for controlling the top frame plate 10 to vertically move is arranged at the inner top of the treatment box 1, the interior of a vertical plate 4 close to a side bracket 5 is provided with a strip-shaped opening 401 communicated with a first chamber 101, the interior of the vertical plate 4 close to a gathering hopper 7 is provided with two strip-shaped openings 401 respectively communicated with a second chamber 102 and a third chamber 103, the exterior of a treatment box 1 is provided with a component for transferring sewage, the sewage is introduced into the first chamber 101 in the treatment box 1, a precipitation flocculating agent is added into the sewage, a first motor 2 arranged at the exterior of the treatment box 1 is started to drive a stirring roller 3 to rotate, so that the flocculating agent is fully mixed into the sewage, the sewage is rapidly formed into precipitates, a top frame plate 10 and two sliding brackets 8 fixed with the top frame plate 10 are controlled to move downwards along the vertical plate 4, when hole grooves 9 arranged on the sliding brackets 8 are aligned with the strip-shaped openings 401 on the vertical plate 4, the sewage in the first chamber 101 flows into a filtering chamber formed by a sand separating plate 12 and a partition plate 11 through the strip-shaped openings 401 and the hole grooves 9, the sediment in the sewage is filtered under the action of filtering sand, then flows into the third chamber 103 through another vertical plate 4, air is introduced into the third chamber 103 through the aeration pipe 24 to remove COD and BOD in the sewage, finally, the water in the third chamber 103 is introduced into the fourth chamber 104 through a component for transferring the sewage, the sewage is detected by a detection mechanism arranged in the fourth chamber 104, and is discharged after being detected to be qualified, through a three-in-one sewage treatment process, impurities in the sewage are subjected to deep filtration through filtering sand after being rapidly precipitated, and then are subjected to further decontamination treatment through an aeration system, and finally are discharged after being detected in a detection chamber, so that the qualified efficiency and quality of the sewage treatment are improved.

Specifically, as shown in fig. 1 to 5, two openings are formed at the top of the treatment box 1, the two openings respectively correspond to the first chamber 101 and the second chamber 102, sewage is introduced into the first chamber 101 through the openings, and filtered sand is introduced into the second chamber 102.

Specifically, as shown in fig. 2 to 5, the sand-separating plate 12 and the partition plate 11 are used as the sand-filtering components, the sand-separating plate 12 is slidably disposed between the two sliding frames 8, the partition plate 11 is fixedly disposed at the bottom of each of the sand-separating plate 12 and the top frame plate 10, the sliding frames 8 are provided inside with a plurality of holes 9 corresponding to the sand-separating plate 12, a filtering chamber is formed between the sand-separating plate 12 and the partition plate 11, and the filtered sand in the second chamber 102 flows into the filtering chamber through the strip-shaped opening 401 and the holes 9, so as to filter the sediment of the sewage in the first chamber 101.

Specifically, as shown in fig. 2-5, a driven cross frame 13 is fixedly arranged at the outer end of a sand-separating plate 12, a slide rod 14 is arranged at the side end of the driven cross frame 13, a slide rail 501 matched with the slide rod 14 to slide is arranged inside a side frame 5, components for controlling the vertical movement of a top frame plate 10 are a transmission arm 17, a second motor 18, a bidirectional screw 19, a screw sleeve 20 and a support arm 21, a first adapter frame 15 is fixedly arranged at the top of the top frame plate 10, a second adapter frame 16 is fixedly arranged at the inner top of a treatment box 1, the transmission arm 17 is rotatably arranged between the first adapter frame 15 and the second adapter frame 16, the bidirectional screw 19 is rotatably arranged inside the treatment box 1, the screw sleeve 20 is rotatably arranged at the outer side of the bidirectional screw 19, the support arm 21 is rotatably arranged between the screw sleeve 20 and the transmission arm 17, the second motor 18 arranged on the treatment box 1 is started to drive the bidirectional screw 19 to rotate, so that the screw sleeve 20 rotatably connected with the bidirectional screw rod 19 does synchronous reverse movement, the screw sleeve 20 drives the transmission arm 17 to rotate through the support arm 21 in the moving process, so that the top frame plate 10 drives the two sliding connection frames 8 fixed with the top frame plate to vertically move downwards to realize the switching of the filtering chambers, the filtering chambers are switched intermittently, the filtering mechanism can be ensured to continuously and effectively filter sediments in sewage, after a certain amount of sewage is filtered by filtering sand, impurities block sand filtering gaps to influence the circulation of water, the lower parts of the sliding rails 501 are outwards opened, in the vertical and downward moving process of the sliding connection frames 8, the driven cross frames 13 fixed on the sand separating plates 12 drive the sliding rods 14 to slide along the sliding rails 501, the sliding rods 14 drive the driven cross frames 13 and the sand separating plates 12 fixed with the driven cross frames 13 to outwards slide under the compression effect of the sliding rails 501, at the moment, the sand filtering sand on the sand separating plates 12 slides down from the filtering chambers, and is discharged to the outside of the treatment box 1 through the opening at the bottom of the treatment box 1, so that the filtering sand precipitated by the impurity is collected and treated by the working personnel.

Specifically, as shown in fig. 3 and 5, a sealing door 22 for sealing the strip-shaped opening 401 is slidably disposed inside the second chamber 102, an expansion link 23 for controlling the vertical movement of the sealing door 22 is installed at the inner top of the treatment tank 1, after the filtered sand in the filtering chamber is discharged from the treatment tank 1, the top frame plate 10 is controlled to move upward, after the sand separating plate 12 located inside the sliding frame 8 is closed and the hole slot 9 in the sliding frame 8 is aligned with the strip-shaped opening 401 corresponding to the second chamber 102, the expansion link 23 is started to control the sealing door 22 to move upward, so that the strip-shaped opening 401 is in an open state, the filtered sand in the collecting hopper 7 flows into the corresponding filtering chamber, the filtered sand is replaced to satisfy the purification treatment of large-scale sewage, the expansion link 23 adopts the existing pneumatic, electric or hydraulic transmission mode, the filtered sand is filled into the filtering chamber and should bury the lower edge of the separating plate 11, but not at the highest beyond the slots 9 of the corresponding filter chamber.

Specifically, as shown in fig. 3, the component for transferring the sewage is a pump body 25 installed at the outer end of the treatment tank 1, a communication pipe 26 is provided between the outside of the pump body 25 and the third chamber 103 and the fourth chamber 104, the pump body 25 installed outside the treatment tank 1 is started, and the pump body 25 leads the sewage in the third chamber 103 into the fourth chamber 104 through the communication pipe 26.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The quality and efficiency improving process for the discharge standard of the urban sewage treatment plant is characterized in that the device adopted by the quality and efficiency improving process for the discharge standard of the sewage comprises the following steps: the treatment box (1), two vertical plates (4) are fixedly arranged in the treatment box (1), side brackets (5) are fixedly arranged between two side ends of each vertical plate (4) and the treatment box (1), a transverse plate (6) and a collecting hopper (7) are fixedly arranged between one end, opposite to each other, of each vertical plate (4) and the treatment box (1), the treatment box (1) forms a first chamber (101), a second chamber (102), a third chamber (103) and a fourth chamber (104) under the separation of the vertical plates (4), the transverse plate (6) and the collecting hopper (7), a stirring roller (3) is rotatably arranged in the first chamber (101), a first motor (2) for controlling the rotation of the stirring roller (3) is installed at the outer end of the treatment box (1), a plurality of aeration pipes (24) are installed in the third chamber (103), two sliding brackets (8) are slidably arranged on one side, opposite to each vertical plate (4), the two sliding connection frames (8) are fixedly connected through a top frame plate (10), a part for containing sand filter is arranged in each sliding connection frame (8), a part for controlling the top frame plate (10) to move vertically is arranged at the inner top of the treatment box (1), a strip-shaped opening (401) communicated with the first chamber (101) is formed in the vertical plate (4) close to the side connection frame (5), two strip-shaped openings (401) are formed in the vertical plate (4) close to the aggregate bin (7), the two strip-shaped openings (401) are respectively communicated with the second chamber (102) and the third chamber (103), and a part for transporting sewage is arranged outside the treatment box (1);

s1, introducing the sewage into a first chamber (101) in the treatment box (1), and adding a precipitation flocculant into the first chamber;

s2, starting the first motor (1) to drive the stirring roller (3) to rotate, so that the flocculating agent is fully mixed into the sewage, and the sewage is quickly precipitated;

s3, controlling the vertical plate (4) to move downwards, enabling the sewage in the first chamber (101) to flow into the filtering chamber through the strip-shaped opening (401) and the hole groove (9), and filtering sediments in the sewage under the action of the sand filtering;

s4, the filtered sewage flows into the third chamber (103), and air is introduced into the third chamber (103) through the aeration pipe (24) to remove COD and BOD in the sewage;

s5, introducing the water body in the third chamber (103) into the fourth chamber (104) through a sewage transfer component, detecting the sewage through a detection mechanism, and discharging the sewage after the detection is qualified.

2. The process according to claim 1, wherein the top of the tank (1) is formed with two openings corresponding to the first chamber (101) and the second chamber (102).

3. The process for improving the emission standard of the urban sewage treatment plant according to claim 1, wherein the sand filter holding components comprise a sand separation plate (12) and a partition plate (11), the sand separation plate (12) is slidably arranged between the two sliding connection frames (8), and the partition plate (11) is fixedly arranged at the bottom of each of the sand separation plate (12) and the top frame plate (10).

4. The process according to claim 3, wherein the slip-on frame (8) has a plurality of holes (9) corresponding to the sand-separating plate (12) inside.

5. The process for improving the emission standard of the urban sewage treatment plant according to claim 4, wherein a driven cross frame (13) is fixedly arranged at the outer end of the sand-separating plate (12), a sliding rod (14) is arranged at the side end of the driven cross frame (13), and a sliding rail (501) matched with the sliding rod (14) to slide is arranged inside the side frame (5).

6. The process for improving the emission standard of the urban sewage treatment plant according to claim 5, wherein the components for controlling the vertical movement of the top frame plate (10) are a transmission arm (17), a second motor (18), a bidirectional screw (19), a threaded sleeve (20) and a support arm (21), the top of the top frame plate (10) is fixedly provided with a first adapter rack (15), the inner top of the treatment box (1) is fixedly provided with a second adapter rack (16), and the transmission arm (17) is rotatably arranged between the first adapter rack (15) and the second adapter rack (16).

7. The process for improving the emission standard of the urban sewage treatment plant according to claim 6, wherein a bidirectional screw (19) is rotatably arranged inside the treatment tank (1), a threaded sleeve (20) is rotatably arranged on the outer side of the bidirectional screw (19), and a support arm (21) is rotatably arranged between the threaded sleeve (20) and the transmission arm (17).

8. The process for emission standard upgrading and efficiency enhancement of urban sewage treatment plants according to claim 1, wherein the inside of the second chamber (102) is slidably provided with a sealing door (22) for sealing the strip-shaped opening (401), and the inner top of the treatment tank (1) is provided with a telescopic rod (23) for controlling the vertical movement of the sealing door (22).

9. The process according to claim 1, wherein the means for transporting the wastewater is a pump body (25) mounted at the outer end of the treatment tank (1), and a communication pipe (26) is arranged between the outside of the pump body (25) and the third chamber (103) and the fourth chamber (104).