CN114873863B

CN114873863B - River sewage treatment device with sludge residue storage and treatment function

Info

Publication number: CN114873863B
Application number: CN202210617177.0A
Authority: CN
Inventors: 梁亚琴; 曹淑雯; 陈俊宇; 韩丽芸; 何婧; 韩巧
Original assignee: Changzhi University
Current assignee: Changzhi University
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2023-01-31
Anticipated expiration: 2042-06-01
Also published as: CN114873863A

Abstract

The invention relates to the technical field of river sewage treatment, and discloses river sewage treatment equipment with sludge residue storage and treatment, which comprises a sluice, an aeration tank, a biochemical tank, a discharge tank and a recovery tank, wherein the sluice, the aeration tank, the biochemical tank and the discharge tank are sequentially arranged on a river from left to right; the invention can simultaneously satisfy the functions of aeration and garbage cleaning, has smart structural design and low cost, and can also solve the problem that the garbage is easy to block an aeration wall; the mud suction gun head can also be driven to reciprocate back and forth, so that the sludge at the bottom of the river channel can be sucked in all directions, the investment cost of the mud suction pump is reduced, and the energy saving and environmental protection concept is met.

Description

River sewage treatment device with sludge residue storage and treatment function

Technical Field

The invention relates to the technical field of river sewage treatment, in particular to river sewage treatment equipment with sludge residue storage and treatment function.

Background

The urban river ecology is a complex ecological system which flows in urban landscape, is closely connected with the living environment of urban residents and is relatively open. The river has certain self-purification and recovery capacity to the external pollution, however, in urban rivers, because of numerous residents along the bank, the production and life of the residents have great influence on the urban rivers, so that the ecological function of the urban rivers is continuously degraded and lost, black and odorous, mosquito breeding and the like occur, the function of urban landscape is lost, the urban river becomes urban burden, the normal production and life of the residents are interfered, and the urban reputation is influenced.

The river sewage treatment means that aiming at thoroughly solving the problems of sediment siltation and the like of black and odorous river water bodies in the water bodies, a technical scheme for treatment is customized according to the specific conditions of the water bodies, so that the purposes of comprehensively degrading various pollutants, improving the transparency of the water bodies, improving the quality grade of the water bodies and improving the appearance of water scenery are achieved.

For example, chinese patent No. CN201921482409.6, the utility model discloses a river course sewage treatment plant with sludge treatment, include: a support plate; the bottom of the treatment box is fixed on the right side of the top of the supporting plate, and the left side of the inner wall of the treatment box is fixedly connected with an inclined frame; the bottom of the silencing box is fixed at the top of the processing box, the top of the inner wall of the silencing box is fixedly connected with a driving motor, and an output shaft of the driving motor is fixedly connected with a stirring rod; the bottom of the stirring frame is fixed on the surface of the stirring rod.

For example, chinese patent No. CN202111300717.4 discloses a river sewage treatment device with sludge treatment, which is directed at the problem that the conventional river sewage treatment device is not convenient for automatically cleaning the sludge filtered out from the river sewage, and is easy to cause the blockage of a filter screen, and the sewage treatment efficiency is affected, the present invention provides a scheme, which includes a box body and a filter screen, wherein the top of the box body is provided with an opening, the filter screen is slidably installed in the box body, and both sides of the top of the filter screen are fixedly connected with connecting rods, the top ends of the two connecting rods are fixedly installed with a same sealing plate, the sealing plate is movably and sealingly connected inside the box body, the top of the sealing plate is fixedly installed with four vertical rods, and the top ends of the four vertical rods are fixedly installed with a same push plate.

However, the existing equipment still has some defects: when the aeration treatment is carried out, the garbage suspended in the sewage can wind or block the aeration device, so that the aeration effect is not ideal; the mud suction pump can only suck the mud at one fixed position, so that the mud is insufficiently sucked, and if a plurality of mud suction pumps are installed for sucking, the investment capital of equipment is increased.

Disclosure of Invention

The invention aims to provide river sewage treatment equipment with sludge residue storage and treatment functions, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a river sewage treatment device with sludge residue storage and treatment function comprises a water gate, an aeration tank, a biochemical tank, a discharge tank and a recovery tank, wherein the water gate, the aeration tank, the biochemical tank and the discharge tank are sequentially arranged on a river from left to right;

the aeration wall is formed by sequentially connecting a plurality of semicircular pipe bodies from top to bottom, a plurality of rotating shafts are rotatably arranged between the front bearing frame and the rear bearing frame, spiral blades are fixed on the outer wall of each rotating shaft, first driven gears are fixed at the front ends of the plurality of rotating shafts, the uppermost first driven gear is meshed with a transmission gear driven by a power motor, a garbage cleaning bin is arranged behind the rear bearing frame, a lifting motor is fixed at the top end of the garbage cleaning bin through a motor frame, a lifting shaft is arranged at the output end of the lifting motor, and auger blades are fixed on the outer wall of the lifting shaft;

a self-reversing reciprocating device is further arranged between the front bearing frame and the rear bearing frame and comprises a double-groove screw rod, a guide rail frame, a moving seat and a second driven gear, a nut is connected to the outer wall of the double-groove screw rod, the left end of the nut is connected with the guide rail frame through a sliding block, the moving seat is fixed to the right end of the nut, a mud suction gun head is fixedly mounted on the moving seat and connected with the powerful self-priming mud pump through a mud suction hose, and the output end of the self-priming mud pump is connected with a mud outlet pipe;

the sludge crushing and drying device comprises a crushing barrel, a filter barrel, a drying tunnel furnace, a roller and a discharge bin, wherein the bottom of the crushing barrel is connected with the filter barrel through a discharge pipe, a filter plate is arranged inside the filter barrel, the sludge discharge end of the filter barrel is connected with the drying tunnel furnace, a driving wheel, a driven wheel and a conveyer belt are arranged inside the drying tunnel furnace, the conveyer belt is sleeved on the outer walls of the driving wheel and the driven wheel together, a roller frame is installed on the inner wall of the feed end of the drying tunnel furnace in a sliding manner, the top end of the roller frame is fixed with the telescopic end of an electric cylinder, and the roller is rotatably installed inside the roller frame;

a mesh wall body is fixed inside the biochemical pool, the upper end of the mesh wall body is open, and biological activated carbon is filled inside the mesh wall body.

As a further improvement of the above scheme, a plurality of aeration holes are formed on the surfaces of the aeration wall and the helical blade; auger blade set up in the inner wall in rubbish clearance storehouse, just rubbish clearance storehouse with a plurality of filters the hole on the auger blade has all been seted up.

As a further improvement of the scheme, a garbage inlet is formed in the front side wall of the garbage cleaning bin, and the top rear wall of the garbage cleaning bin is communicated with a garbage outlet bin.

As a further improvement of the above-mentioned solution, an intermediate gear is engaged and connected between the adjacent first driven gears, and the lowermost first driven gear is engaged and connected with the second driven gear.

As a further improvement of the above scheme, the outer wall of the double-groove screw is provided with two spiral grooves which are arranged in a staggered manner, the double-groove screw is rotatably installed between a pair of bearing seats, and the pair of bearing seats are both fixed with the guide rail frame.

As a further improvement of the scheme, the top end of the drying tunnel furnace is connected with a plurality of exhaust branch pipes, the exhaust branch pipes are collected to an exhaust main pipe together, and an exhaust fan is further installed on the exhaust main pipe.

As a further improvement of the scheme, the crushing barrel is communicated with the sludge outlet pipe, the top of the crushing barrel is provided with a crushing motor, the crushing barrel is internally provided with a crushing shaft, the outer wall of the crushing shaft is fixedly provided with a crushing blade, and the crushing shaft is driven by the crushing motor.

As a further improvement of the scheme, a cutter frame is installed at a discharge hole of the discharge bin, and a blade is installed on the cutter frame.

As a further improvement of the scheme, the water gate comprises a front gate pier, a rear gate pier and a gate, and the gate is arranged between the front gate pier and the rear gate pier.

As a further improvement of the scheme, a filter frame is arranged at the joint of the biochemical pool and the discharge pool, and biological filter membranes are fixed on the left side and the right side of the filter frame.

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

1. the invention arranges the front bearing bracket, the aeration wall and the rear bearing bracket in the aeration tank, a plurality of rotating shafts are rotatably arranged between the front bearing bracket and the rear bearing bracket, the outer wall of each rotating shaft is fixed with a helical blade, the front end of each rotating shaft is fixed with a first driven gear, when a power motor is started, the uppermost first driven gear can be driven to rotate through a transmission gear, because an intermediate gear is meshed and connected between the adjacent first driven gears, all the first driven gears, the rotating shafts and the helical blades can be driven to start to rotate, the surfaces of the helical blades are provided with a plurality of aeration holes, so that the sewage can be fully contacted with the air in the rotating process of the helical blades, thereby reach the effect of aeration, helical blade has the effect of propelling movement suspension rubbish simultaneously, can constantly send rubbish to inside the rubbish clearance storehouse, the top in rubbish clearance storehouse is fixed with the promotion motor through the motor frame, the output that promotes the motor is equipped with the promotion axle, the outer wall of promotion axle is fixed with auger blade, auger blade is last to have seted up a plurality of and to have filtered the hole, thereby after promoting the motor and starting, auger blade can constantly upwards convey the rubbish that suspends, derive and concentrate the clearance by rubbish derivation storehouse again, consequently, can satisfy the aeration simultaneously, the effect of clearance rubbish, structural design is ingenious, and low cost, also can solve the problem that rubbish easily blockked up aeration wall.

2. According to the invention, the self-reversing reciprocating device is arranged between the front bearing frame and the rear bearing frame and comprises the double-groove screw rod, the guide rail frame, the moving seat and the second driven gear, the second driven gear is driven by the first driven gear to drive the double-groove screw rod to rotate, the nut is connected to the outer wall of the double-groove screw rod, the left end of the nut is connected with the guide rail frame through the sliding block, the nut can be driven to reciprocate back and forth, the moving seat is fixed at the right end of the nut, and the mud suction gun head is fixedly mounted on the moving seat, so that the mud suction gun head can be finally driven to reciprocate back and forth, the sludge at the bottom of a river channel can be sucked in all directions, the input cost of the mud suction pump is reduced, and the energy-saving and environmental protection concepts are met.

3. The sludge crushing and drying device comprises the crushing cylinder, the filter cylinder, the drying tunnel furnace, the roller and the discharging bin, so that the pumped sludge can be crushed, filtered, flattened, dried, transmitted and recovered in sequence.

Drawings

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

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

FIG. 2 is a first perspective view of the sludge pulverizing and drying apparatus according to the present invention;

FIG. 3 is a second perspective view of the sludge pulverizing and drying apparatus according to the present invention;

FIG. 4 is an internal cross-sectional view of the milling cartridge, filter cartridge of the present invention;

FIG. 5 is an internal cross-sectional view of the drying tunnel furnace and the discharge bin of the present invention;

FIG. 6 is a first perspective view of the interior assembly of the aeration tank of the present invention;

FIG. 7 is a second perspective view of the interior assembly of the aeration tank according to the present invention;

FIG. 8 is a schematic perspective view of the self-reversing shuttle of the present invention;

FIG. 9 is a schematic perspective view of the sluice in the present invention;

FIG. 10 is a schematic perspective view of a biochemical cell according to the present invention.

In the figure: 1-sluice, 101-front sluice pier, 102-rear sluice pier, 103-sluice, 2-aeration tank, 201-front bearing frame, 202-aeration wall, 203-rear bearing frame, 204-rotating shaft, 205-helical blade, 206-first driven gear, 207-power motor, 208-transmission gear, 209-garbage cleaning bin, 210-lifting motor, 211-lifting shaft, 212-auger blade, 213-aeration hole, 214-garbage inlet, 215-garbage outlet bin, 216-intermediate gear, 217-filtering hole, 3-biochemical tank, 301-mesh wall, 302-biological activated carbon, 4-discharge tank, 5-recovery tank, 6-sludge crushing and drying device, 601-crushing barrel 602-a filter cartridge, 603-a drying tunnel furnace, 604-a roller, 605-a discharge bin, 606-a discharge pipe, 607-a filter plate, 608-a driving wheel, 609-a driven wheel, 610-a conveying belt, 611-a roller frame, 612-an electric cylinder, 613-an exhaust main pipe, 614-an exhaust fan, 615-a crushing motor, 616-a crushing shaft, 617-a tool rest, 618-an exhaust branch pipe, 7-a belt conveyor, 8-a self-reversing reciprocating device, 801-a double-groove screw, 802-a guide rail frame, 803-a moving seat, 804-a second driven gear, 805-a nut, 806-a slide block, 807-a mud suction gun head, 808-a mud suction hose, 809-a mud discharge pipe, 810-a bearing seat, 9-a powerful mud pump, a self-suction mud pump, 10-a filter frame and 11-a biological filter membrane.

Detailed Description

In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The invention is further described below with reference to the accompanying drawings.

Example 1

The embodiment provided by the invention comprises the following steps: a river sewage treatment device with sludge residue storage and treatment function, please refer to fig. 1 and fig. 2, and comprises a sluice 1, an aeration tank 2, a biochemical tank 3, a discharge tank 4 and a recovery tank 5, wherein the sluice 1, the aeration tank 2, the biochemical tank 3 and the discharge tank 4 are sequentially arranged on a river from left to right, the flow direction of the river sewage also sequentially passes through the sluice 1, the aeration tank 2, the biochemical tank 3 and the discharge tank 4, sludge at the bottom of the aeration tank 2 is pumped to a sludge crushing and drying device 6 through a powerful self-absorption mud pump 9, a discharge port of the sludge crushing and drying device 6 is connected with a belt conveyor 7, a discharge end of the belt conveyor 7 is arranged above the recovery tank 5, and the recovery tank 5 is mainly used for accumulating and recovering solidified sludge; a filter frame 10 is provided at the joint between the biochemical tank 3 and the discharge tank 4, a biofiltration membrane 11 is fixed to each of the left and right sides of the filter frame 10, and the biofiltration membrane 11 is formed by attaching a microorganism population to the surface of a carrier and is contacted with sewage, so that the microorganisms of the biofiltration membrane 11 absorb organic substances in the sewage as nutrients and assimilate the same, thereby purifying the sewage.

Referring to fig. 1 and 2, the sluice 1 includes a front gate pier 101, a rear gate pier 102 and a gate 103, the gate 103 is disposed between the front gate pier 101 and the rear gate pier 102, and the gate 103 can be lifted and lowered to control the flow of the river sewage into the aeration tank 2.

Referring to fig. 1, 6 and 7, a front bearing frame 201, an aeration wall 202 and a rear bearing frame 203 are arranged inside an aeration tank 2, the aeration wall 202 is formed by sequentially connecting a plurality of semicircular pipe bodies up and down, the semicircular pipe bodies can intercept suspended garbage, a plurality of rotating shafts 204 are rotatably arranged between the front bearing frame 201 and the rear bearing frame 203, helical blades 205 are fixed on the outer walls of the rotating shafts 204, the helical blades 205 are just arranged inside the circular pipe bodies, first driven gears 206 are fixed at the front ends of the plurality of rotating shafts 204, intermediate gears 216 are engaged and connected between the adjacent first driven gears 206, the uppermost first driven gear 206 is engaged and connected with a transmission gear 208 driven by a power motor 207, the power motor 207 can drive the uppermost first driven gear 206 to rotate through the transmission gear 208 after being started, and the intermediate gears 216 are engaged and connected between the adjacent first driven gears 206, so that all the first driven gears 206, the rotating shafts 204 and the helical blades 205 can be driven to start to rotate; a garbage cleaning bin 209 is arranged behind the rear bearing frame 203, a lifting motor 210 is fixed at the top end of the garbage cleaning bin 209 through a motor frame, a lifting shaft 211 is arranged at the output end of the lifting motor 210, and an auger blade 212 is fixed on the outer wall of the lifting shaft 211; the surfaces of the aeration wall 202 and the helical blade 205 are both provided with a plurality of aeration holes 213, the arrangement of the aeration holes 213 is a water treatment method for fully contacting water and air so as to exchange gaseous substances and remove volatile substances in water, or gas escapes from water, such as odor of water or harmful gas such as carbon dioxide, hydrogen sulfide and the like, and oxygen can be dissolved in water so as to improve the concentration of dissolved oxygen, thereby achieving the purpose of removing iron and manganese or promoting aerobic microorganisms to degrade organic matters; the auger blade 212 is arranged on the inner wall of the garbage cleaning bin 209, a plurality of filtering holes 217 are formed in the garbage cleaning bin 209 and the auger blade 212, and the filtering holes 217 are arranged to separate suspended garbage from water; garbage inlet 214 has been seted up to the preceding lateral wall in rubbish clearance storehouse 209, and the top back wall intercommunication in rubbish clearance storehouse 209 has rubbish to derive storehouse 215, and after lifting motor 210 started, auger blade 212 can constantly upwards convey the suspension rubbish, derives and concentrates the clearance by rubbish derivation storehouse 215 again.

Referring to fig. 1, 3, 4 and 5, the sludge pulverizing and drying apparatus 6 includes a pulverizing barrel 601, a filter cartridge 602, a drying tunnel furnace 603, a roller 604 and a discharging bin 605, the pulverizing barrel 601 is communicated with a sludge discharging pipe, a pulverizing motor 615 is installed at the top of the pulverizing barrel 601, a pulverizing shaft 616 is installed inside the pulverizing barrel 601, a pulverizing blade is fixed on the outer wall of the pulverizing shaft 616, the pulverizing shaft 616 is driven by the pulverizing motor 615, and the pulverizing blade can crush the sludge sucked out for subsequent recycling; the bottom of the crushing cylinder 601 is connected with a filter cylinder 602 through a discharge pipe 606, a filter plate 607 is arranged inside the filter cylinder 602, and the mud outlet end of the filter cylinder 602 is connected with a drying tunnel furnace 603; a driving wheel 608, a driven wheel 609 and a conveying belt 610 are arranged inside the drying tunnel furnace 603, the conveying belt 610 is sleeved on the outer walls of the driving wheel 608 and the driven wheel 609, a roller frame 611 is slidably mounted on the inner wall of the feeding end of the drying tunnel furnace 603, the top end of the roller frame 611 is fixed with the telescopic end of an electric cylinder 612, the thickness of rolled sludge can be adjusted by the telescopic end of the electric cylinder 612, a roller 604 is rotatably mounted inside the roller frame 611, and the roller 604 is arranged to enable the sludge to be flatly paved on the upper end of the conveying belt 610, so that the drying area is increased, and the drying speed is improved; (ii) a A knife rest 617 is installed at a discharge hole of the discharge bin 605, a blade is installed on the knife rest 617, and the blade is arranged to scoop out dried sludge and reach the belt conveyor 7, and then is conveyed to the recovery tank 5 through the belt conveyor 7; the top end of the drying tunnel furnace 603 is connected with a plurality of exhaust branch pipes 618, the plurality of exhaust branch pipes 618 are collected to the exhaust main pipe 613, the exhaust main pipe 613 is further provided with an exhaust fan 614, and the exhaust fan 614 is electrified to generate negative pressure, so that the exhaust branch pipes 618 and the exhaust main pipe 613 can be sucked to exhaust gas treatment equipment by exhaust gas in the drying tunnel furnace 603, and the atmospheric environment is prevented from being polluted.

Referring to fig. 1 and 10, a mesh wall 301 is fixed inside the biochemical pool 3, the upper end of the mesh wall 301 is open, biological activated carbon 302 is filled inside the mesh wall 301, the mesh wall 301 has a filtering effect and can block large-sized impurities in sewage, the biological activated carbon 302 improves the removal rate of organic matters in sewage, increases the stability to poison and load change, improves the sludge dewatering and digestion performance, and prolongs the service life of the activated carbon.

The workflow of example 1 was: firstly, the gate 103 is opened, river sewage can enter the aeration tank 2, the aeration tank 2 is internally provided with a front bearing frame 201, an aeration wall 202 and a rear bearing frame 203, wherein the surface of the aeration wall 202 is provided with a plurality of aeration holes 213, so that the sewage is fully contacted with air to exchange gaseous substances and remove volatile substances in water, and a primary aeration effect is achieved; the power motor 207 is started again, so that all the first driven gears 206, the rotating shaft 204 and the spiral blade 205 can be driven to rotate, the surface of the spiral blade 205 is provided with a plurality of aeration holes 213, so that sewage can be fully contacted with air in the rotating process of the spiral blade 205, the aeration effect can be further achieved, meanwhile, the spiral blade 205 has the function of pushing suspended garbage and can continuously convey the garbage into the garbage cleaning bin 209, the top end of the garbage cleaning bin 209 is fixedly provided with a lifting motor 210 through a motor frame, the output end of the lifting motor 210 is provided with a lifting shaft 211, the outer wall of the lifting shaft 211 is fixedly provided with an auger blade 212, and the auger blade 212 is provided with a plurality of filter holes 217, so that after the lifting motor 210 is started, the auger blade 212 can continuously convey the suspended garbage upwards and then is guided out of the garbage guiding bin 215 and is intensively cleaned, the functions of aeration and garbage cleaning can be simultaneously met, the structural design is ingenious and low in cost, and the problem that the garbage is easy to block the aeration wall 202 can be solved; after aeration is finished, a gate between the aeration tank 2 and the biochemical tank 3 is opened, a net-shaped wall 301 is fixed in the biochemical tank 3, and biological activated carbon 302 is filled in the net-shaped wall 301, so that organic matters in sewage can be effectively removed, the stability of poison and load change is improved, and the sludge dewatering and digestion performance is improved; finally, the treated sewage is treated by the biological filtration membrane 11, and microorganisms of the biological filtration membrane 11 absorb and assimilate organic matters in the sewage as nutrients, so that the sewage is purified and flows into the discharge tank 4.

Example 2

On the basis of embodiment 1, please refer to fig. 7 and 8, a self-reversing reciprocating device 8 is further disposed between the front bearing frame 201 and the rear bearing frame 203, the self-reversing reciprocating device 8 includes a double-groove screw 801, a guide rail frame 802, a moving seat 803 and a second driven gear 804, a nut 805 is connected to an outer wall of the double-groove screw 801, a left end of the nut 805 is connected to the guide rail frame 802 through a slider 806, the moving seat 803 is fixed to a right end of the nut 805, a mud suction gun head 807 is fixedly mounted on the moving seat 803, the mud suction gun head 807 is connected to the powerful self-suction mud pump 9 through a mud suction hose 808, and an output end of the self-suction mud pump 9 is connected to a mud discharge pipe 809; the lowermost first driven gear 206 is in meshed connection with the second driven gear 804. Two spiral grooves which are arranged in a staggered mode are formed in the outer wall of the double-groove screw 801, the double-groove screw 801 is rotatably installed between the pair of bearing blocks 810, and the pair of bearing blocks 810 are fixed with the guide rail frame 802.

The working principle of the embodiment 2 is as follows: the second driven gear 804 can be driven by the first driven gear 206, so as to drive the double-groove screw 801 to rotate, as the outer wall of the double-groove screw 801 is connected with the nut 805, the left end of the nut 805 is connected with the guide rail frame 802 through the sliding block 806, so as to drive the nut 805 to reciprocate back and forth, the right end of the nut 805 is fixed with the moving seat 803, and the mud suction gun head 807 is fixedly arranged on the moving seat 803, so that the mud suction gun head 807 can be finally driven to reciprocate back and forth, thereby realizing the all-dimensional suction of the sludge at the bottom of the river channel, reducing the investment cost of the mud suction pump 9, and meeting the energy saving and environmental protection concepts; in addition, the self-suction mud pump 9 can suck the sludge at the bottom of the river channel to stop the sludge crushing and drying device 6, the sludge is sequentially crushed, filtered, flattened, dried, transmitted and recovered, and the sludge contains abundant organic matters and other nutrients required by plant growth, so that waste can be changed into valuable, and the sludge can be used for planting grass and flowers and building roadbeds and slopes.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a river course sewage treatment device with processing is accomodate to mud residue, includes sluice (1), aeration tank (2), biochemical pond (3), effluent pond (4) and recovery pond (5), its characterized in that: the water gate (1), the aeration tank (2), the biochemical tank (3) and the discharge tank (4) are sequentially arranged on a river channel from left to right, sludge at the bottom of the aeration tank (2) is pumped to a sludge crushing and drying device (6) through a powerful self-suction mud pump (9), a discharge hole of the sludge crushing and drying device (6) is connected with a belt conveyor (7), and a discharge end of the belt conveyor (7) is arranged above the recovery tank (5);

a front bearing frame (201), an aeration wall (202) and a rear bearing frame (203) are arranged in the aeration tank (2), the aeration wall (202) is formed by sequentially connecting a plurality of semicircular pipe bodies from top to bottom, a plurality of rotating shafts (204) are rotatably arranged between the front bearing frame (201) and the rear bearing frame (203), helical blades (205) are fixed on the outer wall of each rotating shaft (204), first driven gears (206) are fixed at the front ends of the plurality of rotating shafts (204), the first driven gear (206) at the top is meshed with a transmission gear (208) driven by a power motor (207), a garbage cleaning bin (209) is arranged behind the rear bearing frame (203), a lifting motor (210) is fixed at the top end of the garbage cleaning bin (209) through a motor frame, a lifting shaft (211) is arranged at the output end of the lifting motor (210), and auger blades (212) are fixed on the outer wall of the lifting shaft (211);

a self-reversing reciprocating device (8) is further arranged between the front bearing frame (201) and the rear bearing frame (203), the self-reversing reciprocating device (8) comprises a double-groove screw (801), a guide rail frame (802), a moving seat (803) and a second driven gear (804), a nut (805) is connected to the outer wall of the double-groove screw (801), the left end of the nut (805) is connected with the guide rail frame (802) through a sliding block (806), the moving seat (803) is fixed to the right end of the nut (805), a mud suction gun head (807) is fixedly installed on the moving seat (803), the mud suction gun head (807) is connected with the powerful self-suction mud pump (9) through a mud suction hose (808), and the output end of the self-suction mud pump (9) is connected with a mud outlet pipe (809);

the sludge crushing and drying device (6) comprises a crushing cylinder (601), a filter cylinder (602), a drying tunnel furnace (603), a roller (604) and a discharge bin (605), wherein the bottom of the crushing cylinder (601) is connected with the filter cylinder (602) through a discharge pipe (606), a filter plate (607) is arranged inside the filter cylinder (602), the sludge discharge end of the filter cylinder (602) is connected with the drying tunnel furnace (603), a driving wheel (608), a driven wheel (609) and a conveying belt (610) are arranged inside the drying tunnel furnace (603), the conveying belt (610) is sleeved on the outer walls of the driving wheel (608) and the driven wheel (609), a roller frame (611) is slidably mounted on the inner wall of the feed end of the drying tunnel furnace (603), the top end of the roller frame (611) is fixed with the telescopic end of the electric cylinder (612), and the roller (604) is rotatably mounted inside the roller frame (611); the crushing cylinder (601) is communicated with the mud outlet pipe (809), the top of the crushing cylinder (601) is provided with a crushing motor (615), the inside of the crushing cylinder (601) is provided with a crushing shaft (616), the outer wall of the crushing shaft (616) is fixed with a crushing blade, and the crushing shaft (616) is driven by the crushing motor (615);

a mesh wall (301) is fixed inside the biochemical pool (3), the upper end of the mesh wall (301) is open, and biological activated carbon (302) is filled inside the mesh wall (301); the surfaces of the aeration wall (202) and the helical blade (205) are provided with a plurality of aeration holes (213); the auger blade (212) is arranged on the inner wall of the garbage cleaning bin (209), a plurality of filtering holes (217) are formed in the garbage cleaning bin (209) and the auger blade (212), a garbage inlet (214) is formed in the front side wall of the garbage cleaning bin (209), and a garbage discharging bin (215) is communicated with the rear wall of the top of the garbage cleaning bin (209).

2. The river sewage treatment facility with sludge residue storage treatment according to claim 1, wherein: an intermediate gear (216) is in meshed connection between the adjacent first driven gears (206), and the first driven gear (206) at the lowest part is in meshed connection with the second driven gear (804).

3. The river sewage treatment apparatus with sludge residue storage and treatment according to claim 2, wherein: the outer wall of the double-groove screw (801) is provided with two staggered spiral grooves, the double-groove screw (801) is rotatably installed between a pair of bearing blocks (810), and the pair of bearing blocks (810) are fixed with the guide rail frame (802).

4. The river sewage treatment device with sludge residue storage and treatment function according to claim 3, wherein the sludge residue storage and treatment device comprises: the top end of the drying tunnel furnace (603) is connected with a plurality of exhaust branch pipes (618), the exhaust branch pipes (618) are collected to an exhaust main pipe (613), and an exhaust fan (614) is further mounted on the exhaust main pipe (613).

5. The river sewage treatment apparatus with sludge residue storage and treatment according to claim 4, wherein: and a cutter frame (617) is installed at a discharge hole of the discharge bin (605), and a blade is installed on the cutter frame (617).

6. The river sewage treatment apparatus with sludge residue storage and treatment according to claim 5, wherein: the sluice (1) comprises a front gate pier (101), a rear gate pier (102) and a gate (103), wherein the gate (103) is arranged between the front gate pier (101) and the rear gate pier (102).

7. The river sewage treatment apparatus with sludge residue storage and treatment according to claim 6, wherein: the biochemical tank (3) is connected with the discharge tank (4) through a filter frame (10), and biological filter membranes (11) are fixed on the left side and the right side of the filter frame (10).