CN112374632A

CN112374632A - Stripping tower for denitrification of domestic sewage treatment

Info

Publication number: CN112374632A
Application number: CN202110060605.XA
Authority: CN
Inventors: 黄若雨
Original assignee: Shandong Jin Embroidery Mountain And River Environmental Engineering Co ltd
Current assignee: Shandong Jin Embroidery Mountain And River Environmental Engineering Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-02-19

Abstract

The invention belongs to the technical field of waste liquid treatment, and particularly relates to a blow-off tower for denitrification in domestic sewage treatment, which comprises a blow-off tower tank, wherein the release pipe is in a shape of a snake disk, the upper injection pipe and the lower injection pipe are symmetrically distributed by taking the wall wiping cleaning ring as a center, the inner wall of the cleaning ring pipe is provided with an inner injection pipe, a plurality of vertical filter screen layers which are equidistantly distributed are detachably connected in a filter box, and one side of a water incoming tank, which is far away from the blow-off tower tank, is provided with a guide inclined plane; when clean ring pipe descends, lower injection pipe blows off some attachments after spraying, clean circle has played the cleaning effect to the inner wall when descending simultaneously, the rubbish volume of contact on the clean circle has been reduced, clean circle has played once to clean the clearance to the inner wall, the injection pipe plays the secondary when ascending and cleans the processing, and interior injection pipe can spray clean water at the release outside of tubes wall, play clean effect to the release pipe, the device can effectual improvement clean effect.

Description

Stripping tower for denitrification of domestic sewage treatment

Technical Field

The invention belongs to the technical field of waste liquid treatment, and particularly relates to a stripping tower for denitrification in domestic sewage treatment.

Background

In the process of domestic sewage treatment, a stripping treatment technology is needed to remove ammonia nitrogen in sewage, namely reaction gas is introduced into water to be in full contact with each other, so that dissolved gas and volatile substances in the water pass through a gas-liquid interface and are transferred to a gas phase, and the purpose of removing pollutants is achieved.

Chinese patent discloses a blow-off tower for denitrification in domestic sewage treatment, and publication number (CN 210127099U) thereof is that the blow-off tower can increase the contact area between gas and sewage, and the blow-off tower body is cleaned through scraping walls, but the sewage has various substances and impurities inside, and when the substances and impurities are attached to the inner wall, the substances and impurities are simply scraped by a knife, only part of the attachments can be cleaned, and the scraped substances fall into the bottom, so that the bottom garbage is piled a lot, and when the blow-off is performed, the gas lifts the bottom sediments, so that the water body is more turbid, and the blow-off effect is reduced.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides a stripping tower for denitrification in domestic sewage treatment, which has the characteristics of high-efficiency and high-range cleaning and incoming liquid pre-filtration.

In order to achieve the purpose, the invention provides the following technical scheme: a blow-off tower for denitrification of domestic sewage treatment comprises a blow-off tower tank, wherein an arc top bottom shell is installed on the bottom surface of the inner wall of the blow-off tower tank, a plurality of uniformly distributed release pipes are arranged on the top surface of the arc top bottom shell, the release pipes are in a snake-shaped shape, a plurality of uniformly distributed release holes are formed in the surfaces of the release pipes, a top cover is detachably connected to the top of the blow-off tower tank, a lifting mechanism is fixedly connected to the middle position of the bottom of the top cover, a cleaning ring pipe is fixedly connected to the output end of the lifting mechanism, a wall wiping cleaning ring is fixedly connected to one side, close to the inner side wall of the blow-off tower tank, a plurality of upper injection pipes and a plurality of lower injection pipes are arranged at the top and the bottom of the outer wall of the cleaning ring pipe respectively, the upper injection pipes and the lower injection pipes are symmetrically distributed by taking the wall wiping ring as, the top of the side wall of the stripping tower tank is provided with a discharge pipe, the discharge pipe is provided with a filter box, the inside of the filter box is detachably connected with a plurality of filter net layers which are vertically and equidistantly distributed, the cross section of the filter screen layer is in an inverted trapezoid shape, the bottom of the side surface of the stripping tower tank is provided with a liquid inlet pipe, a water tank is arranged on one side of the stripping tower tank, a guide inclined plane is arranged on one side of the water tank far away from the stripping tower tank, the top of the guide inclined plane is provided with a water supply pipe, one side of the water tank close to the stripping tower tank is provided with a contraction part, a plurality of abdicating grooves which are vertically distributed at equal intervals are arranged on one side of the inner wall of the stripping tower tank, which is close to the contraction part, the liquid filter screen is fixedly connected in the receding groove, a connecting pipe matched with the receding groove is arranged outside the water tank, and the other end of the connecting pipe is communicated with the liquid inlet pipe.

Preferably, the two sides of the inner wall of the filter box are fixedly connected with a blocking block, and the top of the filter net layer is provided with an outer brim matched with the blocking block.

Preferably, the outer wall of the guide inclined plane is fixedly connected with a support rod, and the bottom end of the support rod and the installation position of the bottom surface of the water tank are located on the same horizontal plane.

Preferably, the connecting pipe is in transitional connection with the abdicating groove through a collecting cover.

Preferably, the diameter of the connecting pipe is smaller than that of the liquid inlet pipe.

Preferably, a connecting hose is arranged at the top of the cleaning ring pipe and is in sealing connection with an external water tank.

Preferably, a liquid discharge pipe is arranged at the bottom of the side surface of the stripping tower tank, and the liquid discharge pipe and the liquid inlet pipe are arranged at the same horizontal plane.

Preferably, the width of the header is smaller than the width of the constriction.

Preferably, the inner side wall of the receding groove inclines outwards.

Preferably, the liquid filter screen is made of metal.

Compared with the prior art, the invention has the beneficial effects that:

1. the S-shaped release pipe releases gas to the outside through the release holes, and the S-shaped release pipe is of a vertical rod type structure and is changed into a surrounding type spiral structure, so that the release area is increased, the gas contact effect is improved, after blowing-off is completed, the lifting mechanism drives the cleaning ring pipe to descend, the lifting mechanism adopts an electric telescopic rod, when the cleaning ring pipe descends, the lower spray pipe blows off some attachments after spraying, meanwhile, the cleaning ring descends and plays a cleaning effect on the inner wall, the amount of garbage contacted with the cleaning ring is reduced, meanwhile, the cleaning ring plays a cleaning effect on the inner wall once, the upper spray pipe plays a secondary cleaning treatment during ascending, the inner spray pipe can spray the cleaning water on the outer wall of the release pipe, the cleaning effect on the release pipe is played, and the device can effectively improve the cleaning effect.

2. Simultaneously, after the gas is discharged through the discharge pipe, the gas is filtered through the filter box, and the plurality of inverted trapezoidal guide inclined planes can effectively increase the filter area and improve the filter effect.

3. Simultaneously sewage at first gets into inside the water tank through the flow pipe, receive the influence on direction inclined plane, make sewage bottom area be less than the top area, the sewage liquid level increases fast, the top water is many, the pressure influence of water, make water to the groove extrusion of stepping down, block liquid through liquid filter net, triangular liquid filter net makes liquid be difficult to adhere to, the life-span of liquid filter net has been improved, a plurality of liquid filter nets discharge simultaneously, can improve the filter velocity of sewage, make and blow off the interior sewage impurity of tower jar and reduce, the while is the further positive effect that has played of above-mentioned advantage.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of a filter cassette of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is an enlarged view of portion B of FIG. 1;

fig. 5 is a schematic top view of the water tank of the present invention.

In the figure: 1. a stripping tower tank; 11. a liquid discharge pipe; 12. a top cover; 13. a liquid inlet pipe; 14. a lifting mechanism; 15. a discharge pipe; 2. a dome base shell; 21. a release tube; 22. a release aperture; 3. cleaning a ring pipe; 31. a wall wiping cleaning ring; 32. an upper injection pipe; 33. a lower injection pipe; 34. an inner injection pipe; 35. a connecting hose; 4. a filter cartridge; 41. a barrier block; 42. a filter screen layer; 5. a water tank; 51. a guide inclined plane; 511. a support bar; 52. a water supply pipe; 53. a yielding groove; 54. a liquid filter screen; 55. a connecting pipe; 551. a flow-collecting hood; 56. a constriction.

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 the following technical solutions: a blow-off tower for denitrification of domestic sewage treatment comprises a blow-off tower tank 1, wherein an arc top bottom shell 2 is installed on the bottom surface of the inner wall of the blow-off tower tank 1, a plurality of uniformly distributed release pipes 21 are arranged on the top surface of the arc top bottom shell 2, the release pipes 21 are in a snake-shaped shape, a plurality of uniformly distributed release holes 22 are formed in the surface of each release pipe 21, a top cover 12 is detachably connected to the top of the blow-off tower tank 1, an elevating mechanism 14 is fixedly connected to the middle position of the bottom of the top cover 12, an output end of the elevating mechanism 14 is fixedly connected with a cleaning ring pipe 3, one side of the cleaning ring 3, which is close to the inner side wall of the blow-off tower tank 1, is fixedly connected with a wall wiping cleaning ring 31, a plurality of upper injection pipes 32 which are distributed in an annular shape and a plurality of lower injection pipes 33 which are distributed in an annular shape are respectively arranged at the top and the bottom, blow-off tower jar 1 lateral wall top and be equipped with delivery pipe 15, install filter cartridge 4 on the delivery pipe 15, filter cartridge 4 inside can be dismantled and be connected with the vertical equidistance of a plurality of filter screen layer 42 that distributes, filter screen layer 42's cross-sectional shape is inverted trapezoid, blow-off tower jar 1 side bottom is equipped with feed liquor pipe 13, blow-off tower jar 1 one side is installed and is come water pitcher 5, come water pitcher 5 to keep away from blow-off tower jar 1 one side and have direction inclined plane 51, the top of direction inclined plane 51 is equipped with water supply pipe 52, come water pitcher 5 to be close to blow-off tower jar 1 one side and have constriction 56, blow-off tower jar 1 inner wall is close to constriction 56 one side and has seted up the groove of stepping down 53 that the vertical equidistance of a plurality of distributing, fixedly connected with liquid filter screen 54 in the groove of stepping down 53, it is equipped.

In this embodiment: the blow-off tower for denitrification in domestic sewage treatment removes ammonia nitrogen in sewage, namely reaction gas is introduced into water to be in full contact with each other, so that dissolved gas and volatile substances in the water pass through a gas-liquid interface and are transferred to a gas phase, thereby achieving the purpose of removing pollutants, the invention is characterized in that an arc top bottom shell 2 is arranged at the bottom surface of the inner wall of a blow-off tower tank 1, a plurality of S-shaped release pipes 21 which are uniformly distributed are arranged at the top surface of the arc top bottom shell 2, the reaction gas is released to the outside by the S-shaped release pipes 21 through release holes 22, a vertical rod type structure is changed into a surrounding type spiral structure, the release area is increased, the gas contact effect is improved, after blow-off is completed, a lifting mechanism 14 is used for driving a cleaning ring pipe 3 to descend, the lifting mechanism 14 adopts an electric telescopic rod, the cleaning ring pipe 3 descends, a lower injection pipe 33 blows off some attachments after injection, and a wall cleaning ring 31 simultaneously cleans the inner wall while, the quantity of garbage contacted on the wall wiping cleaning ring 31 is reduced, the wall wiping cleaning ring 31 performs primary wiping cleaning on the inner wall, the ascending injection pipe 32 performs secondary wiping treatment during ascending, the inner injection pipe 34 can inject cleaning water on the outer wall of the release pipe 21 and performs cleaning effect on the release pipe 21, the device can effectively improve the cleaning effect, simultaneously, after the gas is discharged through the discharge pipe 15, the gas is filtered through the filter box 4, the plurality of inverted trapezoidal guide inclined planes 51 can effectively increase the filtering area and improve the filtering effect, simultaneously, sewage firstly enters the water tank 5 through the water supply pipe 52 and is influenced by the guide inclined planes 51, so that the bottom area of the sewage is smaller than the top area, the liquid level of the sewage is increased rapidly, the top water is more, the pressure influence of the water is enabled to extrude the water to the abdication groove 53, the liquid is blocked through the liquid filtering net 54, and the triangular liquid filtering net 54 enables the liquid to be difficult to adhere to the liquid, the filtering service life is prolonged, and the plurality of liquid filtering screens 54 are simultaneously discharged, so that the filtering speed of sewage can be increased, the impurity content of the sewage in the stripping tower tank 1 is reduced, and the positive effect is further played for the advantages.

In fig. 2, specifically, two sides of the inner wall of the filter box 4 are fixedly connected with a blocking block 41, and the top of the filter screen layer 42 is provided with an outer brim matched with the blocking block 41; the barrier blocks 41 support the filter screen layer 42, and the air flows vertically downwards, so that the filter screen layer 42 cannot deviate, and the disassembly convenience is improved.

In fig. 1, specifically, a support bar 511 is fixedly connected to the outer wall of the guiding inclined plane 51, and the bottom end of the support bar 511 is located at the same horizontal plane as the installation position of the bottom surface of the water tank 5; the support rod 511 plays a supporting role for the water tank 5, and the stability of the water tank 5 is improved.

In fig. 4, specifically, the connection pipe 55 and the relief groove 53 are transitionally connected by a header 551; the header 551 serves the purpose of collecting the connection pipe 55.

In fig. 1, in particular, the diameter of the connection pipe 55 is smaller than that of the liquid inlet pipe 13; the connection pipe 55 and the liquid inlet pipe 13 are gathered together, so that the liquid is injected in a centralized manner.

In fig. 1, in particular, a connecting hose 35 is arranged at the top of the cleaning ring pipe 3, and the connecting hose 35 is hermetically connected with an external water tank; the connection hose 35 is used to supply cleaning water for injecting cleaning liquid from outside into the cleaning loop 3.

In fig. 1, specifically, a liquid discharge pipe 11 is arranged at the bottom of the side surface of a stripping tower tank 1, and the installation positions of the liquid discharge pipe 11 and a liquid inlet pipe 13 are located on the same horizontal plane; the drain pipe 11 is mainly used for discharging the waste liquid after the blowing-off is completed.

In fig. 5, specifically, the width of the collector 551 is smaller than the width of the constricted portion 56; the width of the current collecting cover 551 is smaller than that of the constricted part 56 so that the current collecting cover 551 can be fixedly attached to the surface of the constricted part 56.

In fig. 4, specifically, the inner side wall of the relief groove 53 is inclined outward; in order to prevent the garbage from remaining between the liquid filtering net 54 and the receding groove 53.

In fig. 4, specifically, the liquid filter 54 is made of metal; the metal material has high mechanical strength, and prevents the liquid filter screen 54 from deforming due to the increase of water pressure.

The working principle and the using process of the invention are as follows: the blow-off tower for denitrification in domestic sewage treatment removes ammonia nitrogen in sewage, namely reaction gas is introduced into water to be in full contact with each other, so that dissolved gas and volatile substances in the water pass through a gas-liquid interface and are transferred to a gas phase, thereby achieving the purpose of removing pollutants, the invention is characterized in that an arc top bottom shell 2 is arranged at the bottom surface of the inner wall of a blow-off tower tank 1, a plurality of S-shaped release pipes 21 which are uniformly distributed are arranged at the top surface of the arc top bottom shell 2, the S-shaped release pipes 21 release the reaction gas to the outside through release holes 22, the input ends of the S-shaped release pipes 21 penetrate through the arc top bottom shell 2 and are connected with an external reaction gas container, the S-shaped release pipes 21 release the gas to the outside through the release holes 22, and a vertical rod type structure is changed into a surrounding spiral structure, so that the release area is increased, the gas contact effect is improved, after blow-, the lifting mechanism 14 adopts an electric telescopic rod, the cleaning ring pipe 3 descends, meanwhile, the lower injection pipe 33 blows off some attachments after injection, the wall wiping cleaning ring 31 descends and simultaneously plays a role in cleaning the inner wall, the quantity of garbage contacted on the wall wiping cleaning ring 31 is reduced, the wall wiping cleaning ring 31 plays a role in cleaning the inner wall once, the upper injection pipe 32 plays a role in cleaning the inner wall twice when ascending, the inner injection pipe 34 can spray cleaning water on the outer wall of the release pipe 21 and play a role in cleaning the release pipe 21, the device can effectively improve the cleaning effect, meanwhile, after the gas is discharged through the discharge pipe 15, the gas is filtered through the filter box 4, the plurality of inverted trapezoidal guide inclined planes 51 can effectively increase the filtering area and improve the filtering effect, meanwhile, the sewage firstly enters the water tank 5 through the water supply pipe 52 and is influenced by the guide inclined planes 51, make sewage bottom area be less than the top area, the sewage liquid level increases fast, the top water is many, the pressure influence of water, make water to the groove of stepping down 53 extrusion, block liquid through liquid strainer 54, triangular liquid strainer 54 makes liquid be difficult to adhere to, the life-span of liquid strainer 54 has been improved, a plurality of liquid strainer 54 simultaneously discharge simultaneously, can improve the filter speed of sewage, make and blow off the interior sewage impurity of tower tank 1 and reduce, further play the positive role for above-mentioned advantage simultaneously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a domestic sewage treatment denitrogenation is with blowing off tower, includes blowing off tower jar (1), its characterized in that: an arc top bottom shell (2) is mounted on the bottom surface of the inner wall of the stripping tower tank (1), a plurality of uniformly distributed release pipes (21) are arranged on the top surface of the arc top bottom shell (2), the release pipes (21) are in a snake-disc shape, and a plurality of uniformly distributed release holes (22) are formed in the surface of each release pipe (21);

the top of the stripping tower pot (1) is detachably connected with a top cover (12), the middle position of the bottom of the top cover (12) is fixedly connected with a lifting mechanism (14), the output end of the lifting mechanism (14) is fixedly connected with a cleaning ring pipe (3), one side of the cleaning ring pipe (3) close to the inner side wall of the stripping tower pot (1) is fixedly connected with a wall wiping cleaning ring (31), the top and the bottom of the outer wall of the cleaning ring pipe (3) are respectively provided with a plurality of upper injection pipes (32) distributed in an annular mode and a plurality of lower injection pipes (33) distributed in an annular mode, the upper injection pipes (32) and the lower injection pipes (33) are symmetrically distributed by taking the wall wiping cleaning ring (31) as a center, and the inner wall of the cleaning ring pipe (3) is provided with an inner;

a discharge pipe (15) is arranged at the top of the side wall of the stripping tower tank (1), a filter box (4) is mounted on the discharge pipe (15), a plurality of filter screen layers (42) which are vertically and equidistantly distributed are detachably connected in the filter box (4), and the cross section of each filter screen layer (42) is in an inverted trapezoid shape;

blow and take off tower jar (1) side bottom and be equipped with feed liquor pipe (13), blow and take off tower jar (1) one side and install water pitcher (5), come water pitcher (5) to keep away from blow and take off tower jar (1) one side has direction inclined plane (51), the top of direction inclined plane (51) is equipped with delivery pipe (52), it is close to come water pitcher (5) blow and take off tower jar (1) one side and have constriction part (56), blow and take off tower jar (1) inner wall and be close to constriction part (56) one side is seted up the groove of stepping down (53) that the vertical equidistance of a plurality of distributes, fixedly connected with liquid filter screen (54) in the groove of stepping down (53), come water pitcher (5) outside be equipped with step down groove (53) matched with connecting pipe (55), connecting pipe (55) the other end with feed liquor pipe (13) are linked together.

2. The stripping tower for denitrification in domestic sewage treatment according to claim 1, wherein: and two sides of the inner wall of the filter box (4) are fixedly connected with a blocking block (41), and the top of the filter net layer (42) is provided with an outer brim matched with the blocking block (41).

3. The stripping tower for denitrification in domestic sewage treatment according to claim 1, wherein: the outer wall of the guide inclined plane (51) is fixedly connected with a support rod (511), and the bottom end of the support rod (511) and the installation position of the bottom surface of the water tank (5) are located on the same horizontal plane.

4. The stripping tower for denitrification in domestic sewage treatment according to claim 1, wherein: the connecting pipe (55) and the abdicating groove (53) are in transition connection through a collecting cover (551).

5. The stripping tower for denitrification in domestic sewage treatment according to claim 1, wherein: the diameter of the connecting pipe (55) is smaller than that of the liquid inlet pipe (13).

6. The stripping tower for denitrification in domestic sewage treatment according to claim 1, wherein: the top of the cleaning ring pipe (3) is provided with a connecting hose (35), and the connecting hose (35) is connected with an external water tank in a sealing manner.

7. The stripping tower for denitrification in domestic sewage treatment according to claim 1, wherein: and a liquid discharge pipe (11) is arranged at the bottom of the side surface of the stripping tower tank (1), and the liquid discharge pipe (11) and the liquid inlet pipe (13) are arranged at the same horizontal plane.

8. The stripping tower for denitrification in domestic sewage treatment according to claim 4, wherein: the width of the collecting cover (551) is smaller than the width of the constriction (56).

9. The stripping tower for denitrification in domestic sewage treatment according to claim 1, wherein: the inner side wall of the receding groove (53) inclines outwards.

10. The stripping tower for denitrification in domestic sewage treatment according to claim 1, wherein: the liquid filter screen (54) is made of metal.