CN109502800B

CN109502800B - Advanced treatment reaction tank for urban sewage

Info

Publication number: CN109502800B
Application number: CN201811209462.9A
Authority: CN
Inventors: 吴俊锋; 陆朝阳; 潘红澈; 余期冲; 叶庆
Original assignee: Academy Of Environmental Planning & Design Co Ltd Nanjing University
Current assignee: Nanjing University environmental planning and Design Institute Group Co., Ltd
Priority date: 2018-10-17
Filing date: 2018-10-17
Publication date: 2020-07-03
Anticipated expiration: 2038-10-17
Also published as: CN109502800A

Abstract

The utility model provides an urban sewage advanced treatment reaction tank, the on-line screen storage device comprises a base, base upper portion is equipped with the reaction tank, through support fixed connection between reaction tank and the base, set up first through-hole in the middle of the reaction tank bottom, the first standpipe of first through-hole lower extreme fixed mounting, the second standpipe is established to the outside cover of first standpipe, the upper end and the reaction tank bottom fixed connection of second standpipe, the second through-hole is seted up to second standpipe lower extreme, the lower extreme of first standpipe passes the outside that is located the second standpipe behind the second through-hole, first standpipe and second through-hole fixed connection. The filter and the automatic discharge of the sludge in the town sewage treatment process can be automatically completed only by driving the third vertical pipe to rotate forwards and reversely alternately by the driving device, the structure is simple and ingenious, the separation of the sludge in the sewage can be rapidly completed, and the sewage treatment efficiency is improved.

Description

Advanced treatment reaction tank for urban sewage

Technical Field

The invention belongs to the field of sewage treatment equipment, and particularly relates to an advanced treatment reaction tank for urban sewage.

Background

The traditional sewage treatment system needs to remove impurities generated by chemical reaction of residual sludge in sewage before and during sewage treatment, however, most of the traditional treatment methods use a precipitation method, and the precipitation method has the defects of low efficiency and serious influence on the sewage treatment efficiency.

Disclosure of Invention

The invention provides a town sewage advanced treatment reaction tank which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

a reaction tank for advanced treatment of urban sewage comprises a base, wherein a reaction tank is arranged on the upper portion of the base, the reaction tank is fixedly connected with the base through a support, a first through hole is formed in the middle of the bottom of the reaction tank, a first vertical pipe is fixedly installed at the lower end of the first through hole, a second vertical pipe is sleeved outside the first vertical pipe, the upper end of the second vertical pipe is fixedly connected with the bottom of the reaction tank, a second through hole is formed at the lower end of the second vertical pipe, the lower end of the first vertical pipe penetrates through the second through hole and then is located outside the second vertical pipe, the first vertical pipe is fixedly connected with the second through hole, a third through hole is formed in the middle of the lower end face of the first vertical pipe, a third vertical pipe is installed in the third through hole through a bearing, a first vertical shaft is arranged in the third vertical pipe, a first piston column is fixedly installed at the upper end of the first vertical shaft, the first piston column is located in the first through, a first transverse pipe is arranged in each first transverse pipe, fifth through holes are formed in the side surface of each first vertical pipe corresponding to the corresponding fourth through holes, one end of each first transverse pipe penetrates through the corresponding fourth through holes and the corresponding fifth through holes and then is positioned in the corresponding first vertical pipe, the first transverse pipe is movably connected with the corresponding fifth through hole bearings, a first bevel gear is fixedly installed at one end of each first transverse pipe, a second bevel gear is fixedly installed on each third vertical pipe, the first bevel gears are meshed and matched with the second bevel gears, helical blades are fixedly installed on the peripheries of the parts, positioned in the first transverse pipes, of the first transverse pipes, the parts, close to the upper ends, of the left and right sides of the reaction tank are respectively provided with a sixth through hole, the outer ends of the first transverse pipes and the corresponding sixth through holes are fixedly connected through connecting pipes, seventh through holes are symmetrically formed in the positions, close to the lower ends, of the left and right sides of the first vertical pipes, second transverse pipes are respectively fixedly installed at the outer, a plurality of ratchets are arranged in the middle of the inner side surface of the sleeve, the ratchets are uniformly distributed by taking the central axis of the corresponding sleeve as the center, a torsion spring is arranged on a mounting shaft of the ratchets, ratchets are fixedly mounted at the positions corresponding to the ratchets on the third vertical pipe and the second horizontal pipe, the ratchets are meshed and matched with the corresponding ratchets, a third bevel gear is fixedly sleeved on the transverse sleeve, a fourth bevel gear is fixedly mounted on the third vertical pipe, the fourth bevel gear is meshed and matched with the third bevel gear, a first sleeve ring is sleeved at the lower end of the first vertical shaft through a bearing, oblique rods are symmetrically arranged at the two sides of the lower end of the vertical sleeve, the upper ends of the oblique rods are hinged and connected with the side part of the vertical sleeve, the bottom of the lower ends of the oblique rods are hinged and connected with the side part of the first sleeve through a first connecting rod, elastic, a second piston column is arranged inside the outer end of a second transverse pipe, a second transverse shaft is fixedly installed at the outer end of the second piston column, the second transverse shaft and the second piston column are coaxially arranged, a second lantern ring is sleeved at the outer end of the second transverse shaft through a bearing, telescopic rods are symmetrically arranged on the upper side and the lower side of the second lantern ring and are parallel to corresponding elastic telescopic rods, the end part of a movable rod of each telescopic rod is hinged to the side part of the corresponding second lantern ring, the outer end of a fixed rod of each telescopic rod is hinged to the side part of the corresponding movable rod of each elastic telescopic rod through a second connecting rod, vertical rods are symmetrically and fixedly installed on the upper side and the lower side of the outer end of each second transverse pipe and are parallel to the corresponding telescopic rods, the other ends of the vertical rods are fixedly connected with one end of a transverse rod, the transverse rod is parallel to the second transverse pipe, the other end of the, the third standpipe is driven by a driving device to rotate, a plurality of sludge outlet holes which are uniformly distributed around the axis of the third standpipe are formed in the side surface of the second horizontal pipe close to the outer end, and all the sludge outlet holes in the same second horizontal pipe are sealed by the second piston column.

According to the town sewage advanced treatment reaction tank, the middle upper part and the middle lower part in the first vertical pipe are respectively provided with the semi-spiral scraper, the semi-spiral scraper is fixedly connected with the side part of the third vertical pipe through the connecting frame, and the semi-spiral scraper is in contact fit with the inner wall of the first vertical pipe.

As above-mentioned town sewage advanced treatment reaction tank, drive arrangement include first motor, second vertical axis, first driving gear, first driven gear, drive sprocket, driven sprocket, driving chain, first motor fixed mounting is on base upper portion, second vertical axis is located one side of first motor, the lower extreme and the base top bearing swing joint of second vertical axis, first driving gear fixed mounting is on the output shaft of first motor, first driven gear fixed mounting is on second vertical axis, first driving gear and first driven gear meshing cooperation, drive sprocket fixed mounting is in the upper end of second vertical axis, driven sprocket fixed mounting is at the lower extreme of third standpipe, be connected through the driving chain between drive sprocket and the driven sprocket.

As above, the town sewage advanced treatment reaction tank, the inner wall of the reaction tank near the upper end fixed mounting transverse plate, the middle of the reaction tank is provided with a vertical stirring shaft, the stirring shaft is sleeved with a sleeve through a bearing, the side part of the sleeve is fixedly connected with one end of the transverse plate, the upper part of the transverse plate is fixedly provided with a vertical second motor, the upper end of an output shaft of the second motor is fixedly provided with a second driving gear, the upper end of the stirring shaft is fixedly provided with a second driven gear, the second driving gear is meshed with the second driven gear, and the middle lower part of the stirring shaft is fixedly provided with a plurality of uniformly distributed stirring rods.

The urban sewage advanced treatment reaction tank is characterized in that the bearings are all sealed bearings.

According to the town sewage advanced treatment reaction tank, the lower ends of the inclined rods are fixedly provided with the second balancing weights.

According to the town sewage advanced treatment reaction tank, the upper end and the lower end of the first sleeve ring are symmetrically provided with the limiting rings, and the limiting rings are fixedly arranged on the first vertical shaft.

The invention has the advantages that: when the device works, firstly, sewage to be treated is injected into a reaction tank, then a driving device drives a third vertical pipe to rotate, the third vertical pipe drives a vertical sleeve to rotate through the meshing fit of a corresponding ratchet wheel and a ratchet, the sleeve drives an inclined rod, a first connecting rod and a first sleeve ring to simultaneously and rapidly rotate, the inclined rod rotates around the hinged part of the inclined rod and the corresponding sleeve pipe under the action of centrifugal force, the outer end of the inclined rod moves upwards and pulls the first sleeve ring to move upwards through the corresponding first connecting rod, the first sleeve ring drives a first vertical shaft to move upwards, the first vertical shaft drives a first piston column to move upwards to open a first through hole, the sewage in the reaction tank flows into the first vertical pipe, water passes through a second vertical pipe and simultaneously drives two transverse sleeve pipes to rotate through the meshing fit of a fourth bevel gear and a third bevel gear under the action of pressure difference, and the two second transverse pipes are not rotated, the sewage flows between the second vertical pipe and the first vertical pipe after being filtered by the capillary holes in the side wall of the first vertical pipe, impurities such as sludge in the sewage are filtered and reserved in the first vertical pipe, the third vertical pipe drives the two first transverse shafts to rotate through the meshing fit of the first bevel gear and the second bevel gear, the first transverse shafts rotate to drive the helical blades to rotate, so that the sewage between the second vertical pipe and the first vertical pipe can be pumped out from the fourth transverse holes and is discharged into the reaction tank again through the corresponding first transverse pipe, the corresponding connecting pipe and the corresponding sixth through hole, and the sewage can form a cycle to quickly filter the impurities such as sludge in the sewage in the reaction tank and temporarily store the impurities in the first vertical pipe; when the impurities such as sludge in the first vertical pipe are stored to a specified amount, the driving device drives the third vertical pipe to rotate reversely, at the moment, the vertical sleeve stops rotating, the first piston column falls down to close the first through hole again, the fourth bevel gear, the third bevel gear and the two transverse sleeves are overturned, at the moment, the transverse sleeves drive the corresponding second transverse pipes to rotate through the meshing fit of the corresponding fourth bevel gear and the third bevel gear, the second transverse pipes drive the corresponding elastic telescopic rods, the vertical rods, the transverse rods, the second connecting rods, the telescopic rods and the second lantern rings to rotate simultaneously, the first balancing weights drive the movable rods of the corresponding elastic telescopic rods to extend under the action of centrifugal force, under the pulling action of the second connecting rods, the telescopic rods rotate around the hinged parts of the corresponding transverse rods, the movable rods of the telescopic rods extend and drive the corresponding second lantern rings to move, the second lantern rings pull the corresponding second piston columns to move towards the outer ends of the corresponding second transverse pipes through the corresponding second transverse shafts, the sludge outlet is unblocked, the third vertical pipe rotates reversely, the helical blades rotate reversely to drive the primarily filtered sewage in the corresponding first transverse pipe and the corresponding connecting pipe to move reversely and discharge the sewage into the space between the first vertical pipe and the second vertical pipe, the water pressure increase between the first vertical pipe and the second vertical pipe causes the water in the first vertical pipe to flow reversely through the capillary holes and enter the first vertical pipe, the water pressure increase in the first vertical pipe can drive the sludge stored at the inner bottom of the first vertical pipe to be discharged through the seventh through hole, the second transverse pipe and the sludge outlet, the process can automatically discharge impurities such as sludge, the water flows reversely through the capillary holes and can automatically clear the impurities blocked in the first vertical pipe, the self-cleaning function is achieved, after the sludge is discharged, the third vertical pipe rotates reversely again, the sludge outlet is closed when the first through hole is opened, the sewage filtering work is started again, and the process is repeated to rapidly filter the impurities such as sludge and the like for the sewage in the reaction tank, the automatic sewage treatment system has high automation, and is ready for subsequent sewage deep treatment, the filtering and automatic sludge discharge in the urban sewage treatment process can be automatically completed only by driving the third vertical pipe to rotate forwards and reversely alternately by the driving device, the structure is simple and ingenious, the separation of sludge in sewage can be rapidly completed, and the sewage treatment efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of a portion I of FIG. 1; FIG. 3 is a partial enlarged view of section II of FIG. 1; fig. 4 is a partially enlarged view of the portion iii in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

A reaction tank for advanced treatment of urban sewage comprises a base 1, a reaction tank 2 is arranged on the upper portion of the base 1, the reaction tank 2 is fixedly connected with the base 1 through a support, a first through hole 3 is formed in the middle of the bottom of the reaction tank 2, a first vertical pipe 4 is fixedly installed at the lower end of the first through hole 3, a second vertical pipe 5 is sleeved outside the first vertical pipe 4, the upper end of the second vertical pipe 5 is fixedly connected with the bottom of the reaction tank 2, a second through hole 6 is formed at the lower end of the second vertical pipe 5, the lower end of the first vertical pipe 4 passes through the second through hole 6 and then is positioned outside the second vertical pipe 5, the first vertical pipe 4 is fixedly connected with the second through hole 6, a third through hole 7 is formed in the middle of the lower end face of the first vertical pipe 4, a third vertical pipe 8 is installed in the third through hole 7 through a bearing, a first vertical shaft 9 is arranged in the third vertical pipe 8, a first piston column 10 is fixedly installed at the upper end of, fourth through holes 11 are symmetrically formed in the left side and the right side of the second vertical pipe 5, a first transverse pipe 12 is fixedly installed at the outer end of each fourth through hole 11, a first transverse shaft 13 is arranged in each first transverse pipe 12, a fifth through hole 14 is formed in the side face of each first vertical pipe 4 corresponding to each fourth through hole 11, one end of each first transverse shaft 13 penetrates through the corresponding fourth through hole 11 and the corresponding fifth through hole 14 and is positioned inside each first vertical pipe 4, each first transverse shaft 13 is movably connected with the corresponding fifth through hole 14 through a bearing, a first bevel gear 15 is fixedly installed at one end of each first transverse shaft 13, a second bevel gear 16 is fixedly installed on each third vertical pipe 8, the first bevel gears 15 are meshed with the second bevel gears 16, helical blades 17 are fixedly installed on the periphery of a part, located in each first transverse pipe 12, of each first transverse shaft 13, sixth through holes 18 are formed in the left side and the right side of each reaction tank 2 close to the upper end, the outer end of each first transverse pipe 12 is fixedly, the left side and the right side of the first vertical pipe 4 close to the lower end are symmetrically provided with seventh through holes 20, the outer ends of the seventh through holes 20 are fixedly provided with a second horizontal pipe 21, the middle of the second horizontal pipe 21 and the lower end of the third vertical pipe 8 are sleeved with a sleeve 22 through bearings, the middle of the inner side surface of the sleeve 22 is provided with a plurality of ratchets 23, the plurality of ratchets 23 are uniformly distributed by taking the central axis of the corresponding sleeve 22 as the center, a torsion spring is arranged on the installation shaft of the ratchets 23, the positions of the third vertical pipe 8 and the second horizontal pipe 21 corresponding to the ratchets 23 are fixedly provided with ratchet wheels 24, the ratchet wheels 24 are engaged and matched with the corresponding ratchet wheels 23, a third bevel gear 25 is fixedly sleeved on the transverse sleeve 22, a fourth bevel gear 26 is fixedly arranged on the third vertical pipe 8, the fourth bevel gear 26 is engaged and matched with the third bevel gear 25, the lower end of the first, the upper end of the diagonal rod 28 is hinged with the side part of the vertical sleeve 22, the bottom of the lower end of the diagonal rod 28 is hinged with the side part of the first collar 27 through a first connecting rod 29, the upper and lower sides of the outer end of the second horizontal tube 21 are symmetrically provided with elastic telescopic rods 30, the elastic telescopic rods 30 are perpendicular to the second horizontal tube 21, the outer end of each movable rod of each elastic telescopic rod 30 is fixedly provided with a first balancing weight 31, the inner part of the outer end of the second horizontal tube 21 is provided with a second piston column 32, the outer end of each second piston column 32 is fixedly provided with a second transverse shaft 33, the second transverse shaft 33 is coaxially arranged with the second piston column 32, the outer end of each second transverse shaft 33 is sleeved with a second collar 34 through a bearing, the upper and lower sides of the second collar 34 are symmetrically provided with telescopic rods 35, the telescopic rods 35 are parallel to the corresponding elastic telescopic rods 30, the end parts of the movable rods of the telescopic rods 35 are hinged with the side parts of the corresponding second collars 34, the outer, the vertical rods 37 are fixedly mounted on the upper side and the lower side of the outer end of the second transverse pipe 21 symmetrically, the vertical rods 37 are parallel to the corresponding telescopic rods 35, one ends of the other ends of the vertical rods 37 are fixedly connected with one ends of the transverse rods 38, the transverse rods 38 are parallel to the second transverse pipe 21, the other ends of the transverse rods 38 are hinged to the corresponding side portions of the fixed rods of the telescopic rods 35, a plurality of uniformly distributed capillary holes are formed in the side wall of the first vertical pipe 4, the third vertical pipe 8 is driven to rotate through the driving device 39, a plurality of mud discharging holes 50 which are uniformly distributed around the axis of the third vertical pipe are formed in the position, close to the outer end, of the side face of the second transverse pipe. When the invention works, firstly, sewage to be treated is injected into a reaction tank 2, then a driving device 39 drives a third vertical pipe 8 to rotate, the third vertical pipe 8 is meshed with and matched with a ratchet 23 through a corresponding ratchet wheel 24 to drive a vertical sleeve 22 to rotate, the sleeve 22 drives an inclined rod 28, a first connecting rod 29 and a first sleeve ring 27 to simultaneously and rapidly rotate, the inclined rod 28 rotates around the hinged part of the inclined rod and the corresponding sleeve 22 under the action of centrifugal force, at the moment, the outer end of the inclined rod 28 moves upwards and pulls the first sleeve ring 27 to move upwards through the corresponding first connecting rod 29, the first sleeve ring 27 drives a first vertical shaft 9 to move upwards, the first vertical shaft 9 drives a first piston column 10 to move upwards to open a first through hole 3, at the moment, the sewage in the reaction tank 2 flows into a first vertical pipe 4, under the action of pressure difference, water passes through the second vertical pipe and simultaneously, the third vertical pipe 8 is meshed with a third bevel gear 26 and matched with a third bevel gear 25 to drive two transverse sleeve pipes 22 to rotate, at the moment, the two second transverse pipes 21 do not rotate, sewage flows between the second vertical pipe 5 and the first vertical pipe 4 after being filtered by capillary holes in the side wall of the first vertical pipe 4, impurities such as sludge in the sewage are filtered and reserved in the first vertical pipe 4, the third vertical pipe 8 is meshed with the second bevel gear 16 through the first bevel gear 15 to drive the two first transverse shafts 13 to rotate, the first transverse shafts 13 rotate to drive the helical blades 17 to rotate, so that the sewage between the second vertical pipe 5 and the first vertical pipe 4 can be pumped out from the fourth through hole 11 and is discharged into the reaction tank 2 again through the corresponding first transverse pipes 12, connecting pipes 19 and sixth through holes 18, and the sewage can form a cycle to quickly filter the impurities such as sludge in the sewage in the reaction tank 2 and temporarily store the impurities in the first vertical pipe 4 through the design; when impurities such as sludge in the first vertical pipe 4 are stored to a specified amount, the driving device 39 drives the third vertical pipe 8 to rotate reversely, at this time, the vertical sleeve 22 stops rotating, the first piston column 10 falls down to close the first through hole 3 again, the fourth bevel gear 26, the third bevel gear 25 and the two transverse sleeves 22 are turned over, at this time, the transverse sleeves 22 are meshed and matched with the third bevel gear 25 through the corresponding fourth bevel gear 26 to drive the corresponding second transverse pipe 21 to rotate, the second transverse pipe 21 drives the corresponding elastic telescopic rod 30, the vertical rod 37, the cross rod 38, the second connecting rod 36, the telescopic rod 35 and the second collar 34 to rotate simultaneously, the first counterweight 31 drives the movable rod of the corresponding elastic telescopic rod 30 to extend under the action of centrifugal force, under the pulling of the second connecting rod 36, the 35 rotates around the hinged position of the corresponding cross rod 38, the movable rod of the telescopic rod 35 extends and drives the corresponding second collar 34 to move, the second lantern ring 34 pulls the corresponding second piston column 32 to move towards the outer end direction of the corresponding second horizontal pipe 21 through the corresponding second transverse shaft 33, the sludge outlet 50 is unsealed, the third vertical pipe 8 is reversed, the helical blades 17 are reversed to drive the primarily filtered sewage in the corresponding first horizontal pipe 12 and the corresponding connecting pipe 19 to reversely move and discharge the sewage into a space between the first vertical pipe 4 and the second vertical pipe 5, the water pressure between the first vertical pipe 4 and the second vertical pipe 5 is increased to cause the water in the first vertical pipe to reversely flow through the capillary holes and enter the first vertical pipe 4, the water pressure in the first vertical pipe 4 is increased to drive the sludge stored at the inner bottom of the first vertical pipe to discharge through the seventh through hole 20, the second horizontal pipe 21 and the sludge outlet 50, the process can automatically discharge impurities such as sludge, the water reversely flows through the capillary holes to automatically clean the impurities blocked in the first vertical pipe, the self-cleaning function is achieved, and after the sludge is discharged, the third vertical pipe 8 rotates forwards again, the sludge outlet 50 is closed when the first through hole 3 is opened, sewage filtering work is started again, the processes are repeated, impurities such as sludge and the like can be rapidly filtered for sewage in the reaction tank 2, automation is high, preparation is made for subsequent sewage deep treatment, filtering and automatic discharge of sludge in the town sewage treatment process can be automatically completed only by driving the third vertical pipe 8 to rotate forwards and reversely alternately through the driving device 39, the structure is simple and ingenious, separation of sludge in sewage can be rapidly completed, and sewage treatment efficiency is improved.

Specifically, as shown in the figure, the middle upper portion and the middle lower portion of the first vertical pipe 4 described in this embodiment are respectively provided with a half-spiral scraper 40, the half-spiral scraper 40 and the side portion of the third vertical pipe 8 are fixedly connected through a connecting frame, and the half-spiral scraper 40 is in contact fit with the inner wall of the first vertical pipe 4. The third vertical pipe 8 drives the semi-spiral scraper 40 to rotate, and the semi-spiral scraper 40 can automatically hang the residual sludge on the inner wall of the first vertical pipe 4, so that the inner wall of the first vertical pipe 4 can be automatically cleaned, the capillary holes are prevented from being blocked, and the smooth filtering process is ensured.

Specifically, as shown in the figure, the driving device 39 according to the embodiment includes a first motor 391, a second vertical shaft 392, a first driving gear 393, a first driven gear 394, a driving sprocket 395, a driven sprocket 396, and a transmission chain 397, wherein the first motor 391 is fixedly mounted on the upper portion of the base 1, the second vertical shaft 392 is located on one side of the first motor 391, the lower end of the second vertical shaft 392 is movably connected with a top bearing of the base 1, the first driving gear 393 is fixedly mounted on an output shaft of the first motor 391, the first driven gear 394 is fixedly mounted on the second vertical shaft 392, the first driving gear 393 is engaged with the first driven gear 394, the driving sprocket 395 is fixedly mounted on the upper end of the second vertical shaft 392, the driven sprocket 396 is fixedly mounted on the lower end of the third vertical pipe 8, and the driving sprocket 395 is connected with the driven sprocket 396 through the transmission chain 397. Through this design can be convenient drive third standpipe 8, drive arrangement 39 simple structure, simple to operate.

Further, as shown in the figure, a transverse plate 41 is fixedly installed on the inner wall of the reaction tank 2 near the upper end, a vertical stirring shaft 42 is arranged in the middle of the reaction tank 2, a sleeve 43 is sleeved on the stirring shaft 42 through a bearing, the side portion of the sleeve 43 is fixedly connected with one end of the transverse plate 41, a vertical second motor 44 is fixedly installed on the upper portion of the transverse plate 41, a second driving gear 45 is fixedly installed on the upper end of an output shaft of the second motor 44, a second driven gear 46 is fixedly installed on the upper end of the stirring shaft 42, the second driving gear 45 is engaged with the second driven gear 46, and a plurality of stirring rods 47 which are uniformly distributed are fixedly installed on the side portion of the middle lower. Through the convenient stirring of the sewage in the reaction tank 2 of this design, the medicament and the sewage flash mixed of convenient processing sewage.

Further, as shown in the drawings, the bearings of the present embodiment are all sealed bearings. The design can ensure that the integral sealing performance of the invention is better and avoid the leakage of sewage.

Further, as shown, the lower ends of the inclined rods 28 are fixedly provided with second weights 48. The mass of the lower end part of the diagonal rod 28 can be increased by the second balancing weight 48, and the centrifugal force at the outer end of the diagonal rod 28 is larger, so that the first vertical shaft 9 can be driven to move upwards more easily.

Furthermore, as shown in the drawings, the upper and lower ends of the first collar 27 of the present embodiment are symmetrically provided with a limiting ring 49, and the limiting ring 49 is fixedly installed on the first vertical shaft 9. The two stop rings 49 can improve the fixing strength of the first collar 27 on the first vertical shaft 9, and prevent the first collar 27 from sliding relative to the first vertical shaft 9.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a town sewage advanced treatment reaction tank which characterized in that: comprises a base (1), a reaction tank (2) is arranged on the upper part of the base (1), the reaction tank (2) is fixedly connected with the base (1) through a bracket, a first through hole (3) is arranged in the middle of the bottom of the reaction tank (2), a first vertical pipe (4) is fixedly arranged at the lower end of the first through hole (3), a second vertical pipe (5) is sleeved outside the first vertical pipe (4), the upper end of the second vertical pipe (5) is fixedly connected with the bottom of the reaction tank (2), a second through hole (6) is arranged at the lower end of the second vertical pipe (5), the lower end of the first vertical pipe (4) passes through the second through hole (6) and then is positioned outside the second vertical pipe (5), the first vertical pipe (4) is fixedly connected with the second through hole (6), a third through hole (7) is arranged in the middle of the lower end face of the first vertical pipe (4), a third vertical pipe (8) is arranged in the third through hole (7) through a bearing, a first, a first piston column (10) is fixedly installed at the upper end of a first vertical shaft (9), the first piston column (10) is positioned in a first through hole (3), fourth through holes (11) are symmetrically formed in the left side and the right side of a second vertical pipe (5), a first transverse pipe (12) is fixedly installed at the outer end of each fourth through hole (11), first transverse shafts (13) are arranged in the first transverse pipes (12), fifth through holes (14) are formed in the positions, corresponding to the fourth through holes (11), of the side surfaces of the first vertical pipes (4), one ends of the first transverse shafts (13) penetrate through the corresponding fourth through holes (11) and the corresponding fifth through holes (14) and then are positioned in the first vertical pipes (4), the first transverse shafts (13) are movably connected with corresponding fifth through holes (14) through bearings, a first bevel gear (15) is fixedly installed at one end of the first transverse shafts (13), a second bevel gear (16) is fixedly installed on the third vertical pipe (8), and the first bevel gear (15) is engaged with the second bevel gear (16), helical blades (17) are fixedly mounted on the periphery of the part, located in the first transverse pipe (12), of the first transverse shaft (13), sixth through holes (18) are formed in the left side and the right side of the reaction tank (2) close to the upper end, the outer end of the first transverse pipe (12) is fixedly connected with the outer end of the corresponding sixth through hole (18) through a connecting pipe (19), seventh through holes (20) are symmetrically formed in the left side and the right side of the first vertical pipe (4) close to the lower end, second transverse pipes (21) are fixedly mounted at the outer ends of the seventh through holes (20), sleeves (22) are sleeved at the middle of the second transverse pipes (21) and the lower end of the third vertical pipe (8) through bearings, a plurality of ratchets (23) are mounted in the middle of the inner side of each sleeve (22), the ratchets (23) are uniformly distributed by taking the central axis of the corresponding sleeve (22) as the center, torsion springs are mounted on mounting shafts of the ratchets (23), ratchets (24) are fixedly, the ratchet wheel (24) is engaged and matched with the corresponding ratchet (23), a third bevel gear (25) is fixedly sleeved on the transverse sleeve (22), a fourth bevel gear (26) is fixedly installed on the third vertical pipe (8), the fourth bevel gear (26) is engaged and matched with the third bevel gear (25), the lower end of the first vertical shaft (9) is sleeved with a first lantern ring (27) through a bearing, oblique rods (28) are symmetrically arranged on two sides of the lower end of the vertical sleeve (22), the upper end of each oblique rod (28) is hinged and connected with the side of the vertical sleeve (22), the bottom of the lower end of each oblique rod (28) is hinged and connected with the side of the first lantern ring (27) through a first connecting rod (29), elastic telescopic rods (30) are symmetrically arranged on the upper side and the lower side of the outer end of the second transverse pipe (21), the elastic telescopic rods (30) are perpendicular to the second transverse pipe (21), and a first balancing weight block (31) is fixedly installed on the, a second piston column (32) is arranged inside the outer end of a second transverse pipe (21), a second transverse shaft (33) is fixedly installed at the outer end of the second piston column (32), the second transverse shaft (33) and the second piston column (32) are coaxially arranged, a second lantern ring (34) is sleeved at the outer end of the second transverse shaft (33) through a bearing, telescopic rods (35) are symmetrically arranged on the upper side and the lower side of the second lantern ring (34), the telescopic rods (35) are parallel to corresponding elastic telescopic rods (30), the end parts of movable rods of the telescopic rods (35) are hinged to the side parts of the corresponding second lantern ring (34), the outer ends of fixed rods of the telescopic rods (35) are hinged to the side parts of the corresponding elastic telescopic rods (30) through second connecting rods (36), vertical rods (37) are symmetrically and fixedly installed on the upper side and the lower side of the outer end of the second transverse pipe (21), the vertical rods (37) are parallel to the corresponding telescopic rods (35), and the other ends of the vertical rods (37, the cross rod (38) is parallel to the second transverse pipe (21), the other end of the cross rod (38) is hinged to the side of the corresponding fixing rod of the telescopic rod (35), a plurality of uniformly distributed capillary holes are formed in the side wall of the first vertical pipe (4), the third vertical pipe (8) is driven to rotate through the driving device (39), a plurality of sludge outlet holes (50) which are uniformly distributed around the axis of the second horizontal pipe are formed in the side face of the second transverse pipe (21) close to the outer end, and all the sludge outlet holes (50) in the same second transverse pipe (21) are sealed through the second piston column (32).

2. The advanced treatment reaction tank for urban sewage according to claim 1, characterized in that: middle-upper portion and well lower part all are equipped with half spiral scraper (40) in first standpipe (4), all through link fixed connection between half spiral scraper (40) and third standpipe (8) lateral part, half spiral scraper (40) and first standpipe (4) inner wall contact cooperation.

3. The advanced treatment reaction tank for urban sewage according to claim 1, characterized in that: the driving device (39) comprises a first motor (391), a second vertical shaft (392), a first driving gear (393), a first driven gear (394), a driving chain wheel (395), a driven chain wheel (396) and a transmission chain (397), first motor (391) fixed mounting is on base (1) upper portion, second vertical axis (392) are located one side of first motor (391), the lower extreme and base (1) top bearing swing joint of second vertical axis (392), first driving gear (393) fixed mounting is on the output shaft of first motor (391), first driven gear (394) fixed mounting is on second vertical axis (392), first driving gear (393) and first driven gear (394) meshing cooperation, driving sprocket (395) fixed mounting is in the upper end of second vertical axis (392), driven sprocket (396) fixed mounting is at the lower extreme of third standpipe (8), be connected through drive chain (397) between driving sprocket (395) and driven sprocket (396).

4. The advanced treatment reaction tank for urban sewage according to claim 1, characterized in that: reaction tank (2) inner wall be close to upper end department fixed mounting diaphragm (41), the centre is equipped with vertical (mixing) shaft (42) in reaction tank (2), go up through bearing suit sleeve (43) on (mixing) shaft (42), the lateral part of sleeve (43) and the one end fixed connection of diaphragm (41), the vertical second motor of diaphragm (41) upper portion fixed mounting (44), output shaft upper end fixed mounting second driving gear (45) of second motor (44), the upper end fixed mounting second driven gear (46) of (mixing) shaft (42), second driving gear (45) and second driven gear (46) meshing cooperation, the puddler (47) of the well lower part lateral part fixed mounting several evenly distributed of (mixing) shaft (42).

5. The advanced treatment reaction tank for urban sewage according to claim 1, characterized in that: the bearings are all sealed bearings.

6. The advanced treatment reaction tank for urban sewage according to claim 1, characterized in that: the lower ends of the inclined rods (28) are fixedly provided with second balancing weights (48).

7. The advanced treatment reaction tank for urban sewage according to claim 1, characterized in that: the upper end and the lower end of the first lantern ring (27) are symmetrically provided with limit rings (49), and the limit rings (49) are fixedly arranged on the first vertical shaft (9).