CN213313527U

CN213313527U - Novel truss bridge type air-lift sludge discharge system applied to horizontal flow sedimentation tank of water treatment plant

Info

Publication number: CN213313527U
Application number: CN202021579654.1U
Authority: CN
Inventors: 陈庭扬; 陈咸华
Original assignee: Shanghai Kuncheng Environmental Protection Technology Co ltd
Current assignee: Shanghai Kuncheng Environmental Protection Technology Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-06-01
Anticipated expiration: 2030-08-03

Abstract

The utility model discloses a novel truss bridge type air-lift sludge discharge system applied to a horizontal sedimentation tank of a water treatment plant, which comprises the horizontal sedimentation tank, wherein the upper end of the horizontal sedimentation tank is provided with a truss bridge, the upper end of the truss bridge is provided with a control cabinet and an air blower, the lower end of the truss bridge is provided with a sludge discharge main pipe and a connecting rod, the lower end of the sludge discharge main pipe is provided with a plurality of electromagnetic valves, the other end of each electromagnetic valve is provided with a sludge discharge branch pipe, the lower end of the connecting rod is provided with a fixed plate, the lower end of the fixed plate is provided with a sludge collection scraper group, the sludge discharge branch pipe is arranged in the sludge collection scraper group, the sludge discharge branch pipe is arranged at the lower end of the sludge discharge branch pipe and is arranged on the sludge discharge main pipe, the electromagnetic valves and the power supply end of the air blower are arranged on a time relay in the control cabinet, the electromagnetic valves and the, the sludge discharge concentration is improved.

Description

Novel truss bridge type air-lift sludge discharge system applied to horizontal flow sedimentation tank of water treatment plant

Technical Field

The utility model belongs to the technical field of the mud is arranged to the water purification plant, concretely relates to be applied to novel purlin bridge formula air-lift mud discharging system of water purification plant advection sedimentation tank.

Background

The horizontal sedimentation tank has the advantages of strong adaptability to raw water turbidity, stable treatment effect, relatively low manufacturing cost, convenient operation and management, simpler construction and the like, is widely applied to large and medium-sized water plants all the time, and is the most mainstream sedimentation process in China at present.

The horizontal flow sedimentation tank is generally divided into two independent parts, a folded plate flocculation tank is generally adopted as a flocculation part, water is distributed by adopting a perforated wall when entering water, water is collected by adopting a finger-shaped groove when exiting water, and mechanical siphon sludge discharge is adopted when sludge is discharged. Siphon type suction dredge is as the traditional mud discharging mode of advection sedimentation tank, long-time examination has been passed, it is reliable to have the operation steadily, the management is maintained conveniently, it is efficient to arrange the mud, it does not disturb advantages such as mud layer to inhale the mud, but this equipment also has the mud to arrange the mud simultaneously and contains the solid rate low, generally be less than 1%, water consumption is big, shortcomings such as operation adjustability difference, can only adjust the mode of operation through adjustment stroke and mud suction cycle, in addition, because siphon type suction dredge need arrange mud to the outside mud channel of cell body, equipment need span the sedimentation tank and patrol and examine and go away, it can't set up the railing to survey in the pavement, patrol and examine to maintain night and also caused certain danger. In addition to siphon sludge suction machines, in recent years, reciprocating bottom sludge hanging machines are used in horizontal sedimentation tanks in combination with pneumatic auxiliary sludge discharge. Compared with the traditional siphon type sludge suction machine, the device has a certain sludge concentration function, can concentrate sludge to 3% in theory, discharges bottom sludge through the air-lift system, does not increase extra water consumption, can realize reliable sludge discharge, can improve sludge discharge concentration, and effectively reduces the treatment load of a sludge discharge water treatment unit. However, as the end of the sedimentation tank is required to be provided with the sludge discharge hopper, the system can only be used in a newly-built horizontal flow sedimentation tank and cannot be applied to old plant reconstruction projects. In addition, because the underwater installation of system is more, it is also troublesome than traditional suction dredge to overhaul to maintain, and the weak point that exists has: the mud mode is arranged in succession to traditional hydrocone type suction dredge, and this has just led to the sewage in the advection sedimentation tank to be discharged constantly, and the mud solid content of arranging is lower, has the continuous mud of arranging of current traditional hydrocone type suction dredge and the problem of the mud of a large amount of low concentration row that leads to.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to novel purlin bridge formula air-lift mud discharging system of water purification plant advection sedimentation tank to solve the problem that the mud was arranged in succession to the traditional hydrocone type suction dredge that exists among the prior art and the large amount of low concentration that leads to arranges the mud.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be applied to novel purlin bridge formula airlift sludge discharge system of water purification plant's advection sedimentation tank, includes the advection sedimentation tank, the purlin bridge has been installed to the advection sedimentation tank upper end, switch board and air-blower have been installed to the purlin bridge upper end, mud total pipe and connecting rod have been installed to the purlin bridge lower extreme, a plurality of solenoid valve has been installed to mud total pipe lower extreme, the mud branch pipe has been installed to the solenoid valve other end, the fixed plate has been installed to the connecting rod lower extreme, the mud scraper group has been installed to the fixed plate lower extreme, the mud branch pipe is installed the mud scraper group is collected in, the mud branch pipe lower extreme has been installed and has been given vent to anger the branch pipe, the branch pipe of giving vent to ange.

Preferably, the control cabinet is provided with a time relay, the power supply end of the electromagnetic valve is provided with a power line, the truss bridge is provided with a main perforation, the power line penetrates through the main perforation, the extending end of the power line is arranged on the time relay, and the power end of the air blower is arranged on the time relay.

Preferably, one side of the horizontal sedimentation tank is provided with a sludge discharge channel, one side of the sludge discharge header pipe is inserted into the sludge discharge channel, the lower end of the sludge discharge branch pipe is inserted into the horizontal sedimentation tank, the lower end of the sludge discharge branch pipe is provided with an air inlet pipe, and the air outlet branch pipe is arranged on the air inlet pipe.

Preferably, the mud collection scraper group is of an open trapezoidal structure, and the mud discharge branch pipe is inserted into the open end of the mud collection scraper group.

Preferably, the truss bridge is provided with auxiliary through holes, the gas outlet main pipe penetrates through the auxiliary through holes, and the gas outlet main pipe is arranged at the lower end of the truss bridge.

Preferably, a plurality of support column has been installed to girder bridge bottom both sides, the support column facial make-up is equipped with the shock attenuation post, support column lower extreme both sides are equipped with the rotation hole, the rotation hole endotheca is equipped with the bearing, the gyro wheel has been installed between the rotation hole, the axis of rotation has been installed to the gyro wheel both sides, the axis of rotation run through in the bearing, main runner has been installed to axis of rotation one side, the cover is equipped with driving belt on the main runner, driving belt other pot head is established on vice runner, the interpolation of vice runner is equipped with the pivot, the pivot is installed on the motor, the motor is installed on the girder bridge, girder bridge both sides motor is placed on the contrary, the guide rail has been installed to advection sedimentation.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a be applied to novel purlin bridge formula air-lift sludge discharge system of water purification plant advection sedimentation tank, through installing row's mud house steward at the purlin bridge lower extreme, row's mud house steward lower extreme has been installed row's mud and has been divided the pipe, row's mud divides the pipe lower extreme to install the branch pipe of giving vent to anger, row's mud house steward one side is inserted and is established in row's mud ditch, and switch board and air-blower have been installed to the purlin bridge upper end, and main equipment is installed on the purlin bridge.

The utility model provides a be applied to novel purlin bridge formula air-lift sludge discharge system of water purification plant advection sedimentation tank, through installing the gyro wheel in purlin bridge bottom both sides, the gyro wheel interpolation is equipped with the axis of rotation, and the axis of rotation facial make-up is equipped with main runner, and the cover is equipped with driving belt on the main runner, and driving belt other pot head is established on the vice runner of motor rotor end, and purlin bridge both ends motor is reverse placement, makes the purlin bridge can remove on the guide rail through the gyro wheel, is convenient for to the removal of purlin bridge.

The utility model provides a be applied to novel purlin bridge formula air-lift sludge discharge system of water purification plant advection sedimentation tank, through having installed sludge discharge house steward at the purlin bridge lower extreme, the solenoid valve has been installed to sludge discharge house steward lower extreme, the sludge discharge is installed to the solenoid valve lower extreme and is divided the pipe, the solenoid valve power end is installed on the time relay in the switch board, and sludge discharge divides pipe bottom one side to install the branch pipe of giving vent to anger, under time relay's control, make solenoid valve and air-blower interval start, in its shut down interval, collection mud scraping plate group collects advection sedimentation tank bottom mud, the sludge discharge concentration has been improved.

Drawings

FIG. 1 is a partially cut-away front view of the present invention;

FIG. 2 is a top partial schematic view of FIG. 1;

FIG. 3 is a partial cutaway view from above at A-A of FIG. 1;

FIG. 4 is an enlarged view of a portion a of FIG. 1

FIG. 5 is an enlarged view of FIG. 1 at b;

fig. 6 is an enlarged schematic view of fig. 1 at c.

In the figure: 1 horizontal sedimentation tank, 2 truss bridges, 3 control cabinets, 4 blowers, 5 mud discharging main pipes, 6 connecting rods, 7 electromagnetic valves, 8 mud discharging branch pipes, 9 fixing plates, 10 mud collecting scraper groups, 11 air outlet branch pipes, 12 air outlet main pipes, 13 time relays, 14 power lines, 15 main through holes, 16 mud discharging channels, 17 air inlet pipes, 18 auxiliary through holes, 19 supporting columns, 20 damping columns, 21 rotating holes, 22 bearings, 23 rollers, 24 rotating shafts, 25 main rotating wheels, 26 transmission belts, 27 auxiliary rotating wheels, 28 rotating shafts, 29 motors and 30 guide rails.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, 2, 4 and 5, a novel truss bridge type air-lift sludge discharge system applied to a horizontal flow sedimentation tank of a water treatment plant comprises a horizontal flow sedimentation tank 1, wherein a truss bridge 2 is connected to an upper end roller of the horizontal flow sedimentation tank 1, a control cabinet 3 and an air blower 4 are connected to an upper end of the truss bridge 2 through bolts, models of the control cabinet 3 and the air blower 4 are KYN28/61 and 2LG3107AH06 respectively, a sludge discharge main pipe 5 and a connecting rod 6 are welded to a lower end of the

truss bridge

2, 4 electromagnetic valves 7 are connected to a lower end flange of the sludge discharge main pipe 5, the model of the electromagnetic valves 7 is ZQDF, a time relay 13 is connected to the control cabinet 3 through bolts, the model of the time relay 13 is DH48S-S, a power supply wire of the electromagnetic valves 7 is connected to a power supply wire 14, a main perforation 15 is arranged on the truss bridge 2, the power supply wire 14 penetrates through the main perforation power supply wire 15, a 14 extends, time relay 13 carries out the start time control to solenoid valve 7 and air-

blower

4, 7 output end flange connections of solenoid valve have row mud to be in charge of 8, 1 right side in advection sedimentation tank is equipped with row mud canal 16, arrange the mud house steward 5 right side and insert in row mud canal 16, row mud canal 16 collects the mud that row mud house steward 5 flows out, row mud is in charge of 8 lower extremes and inserts in advection sedimentation tank 1, the welding of row mud is in charge of 8 lower extremes has intake pipe 17, intake pipe 17 communicates in row mud is in charge of 8, the branch pipe 11 flange joint of giving vent to anger is in intake pipe 17.

Referring to fig. 1, 2, 3, 4, 5 and 6, a fixed plate 9 is welded at the lower end of a connecting rod 6, a sludge collection scraper group 10 is welded at the lower end of the fixed plate 9, the fixed plate 9 fixes the sludge collection scraper group 10, a sludge discharge branch pipe 8 is inserted into an open mouth of the sludge collection scraper group 10, the sludge collection scraper group 10 is in an open trapezoid structure, the design enables sludge at the bottom end of a horizontal sedimentation tank 1 to be accumulated at the sludge discharge branch pipe 8, so that the sludge is conveniently removed, and the discharge concentration is improved, the sludge discharge branch pipe 8 is inserted into the open mouth end of the sludge collection scraper group 10, the lower end of the sludge discharge branch pipe 8 is in flange connection with a gas outlet branch pipe 11, the gas outlet branch pipe 11 is welded on a gas outlet main pipe 12, the gas outlet end of a blower 4 is in flange connection with the gas outlet main pipe 12, an auxiliary perforation 18 is arranged on a truss bridge 2, the gas outlet main pipe 12 is penetrated from the auxiliary perforation 18, the, the damping columns 20 are welded on the supporting columns 19, the damping columns 20 are used for buffering and damping, rotating holes 21 are formed in two sides of the lower end of the supporting column 19, bearings 22 are arranged in the rotating holes 21 in an interference fit mode, the types of the bearings 22 are RB212-20, rollers 23 are rotatably connected among the rotating holes 21, the rollers 23 are of H-shaped structures, rotating shafts 24 are integrally cast on two sides of the rollers 23, the rotating shafts 24 are in interference fit with inner rings of the bearings 22, main rotating wheels 25 are welded on the inner sides of the rotating shafts 24, transmission belts 26 are rotatably connected on the main rotating wheels 25, the rear faces of the transmission belts 26 are rotatably connected on auxiliary rotating wheels 27, rotating shafts 28 are in interference fit in the auxiliary rotating wheels 27, the rotating shafts 28 are welded on output shafts of motors 29, the motors 29 are 60KTYZ speed reducing motors, the motors 29 are bolted on the truss bridge 2, the motors 29 on two sides of the truss, the truss bridge 2 can move circularly, guide rails 30 are connected to two sides of the horizontal flow sedimentation tank 1 through bolts, the guide rails 30 are of a convex structure, and the rollers 23 are connected to the guide rails 30 in a rolling mode.

In the process of discharging mud in the horizontal sedimentation tank 1, an operator adjusts the interval time of the time relay 13 according to the sewage concentration and flocculation condition in the horizontal sedimentation tank 1, after the time relay 13 sets the time, the internal circuit of the time relay 13 is closed, the power ends of the air blower 4 and the electromagnetic valve 7 are switched to be in a passage state, the air blower 4 is started, the electromagnetic valve 7 is opened, the air blower 4 blows outside air flow into the air outlet branch pipe 11 through the air outlet main pipe 12 through the air inlet end, because the air outlet end of the air outlet branch pipe 11 is connected to the air inlet pipe 17 on the bottom end of the mud discharge branch pipe 8 in a flange mode, the air inlet pipe 17 is communicated with the mud discharge branch pipe 8, high-pressure air flow is continuously sent into the mud discharge branch pipe 8, the air flow in the mud discharge branch pipe 8 drives the water flow to move upwards, meanwhile, the control cabinet 3 controls the motor 29 on one side to rotate, in the moving process of the truss bridge 2, the sludge collecting scraper groups 10 positioned at the lower end of the fixed plate 9 push sludge on the horizontal sedimentation tank 1 into the port of the sludge discharge branch pipe 8, the ascending water flow in the sludge discharge branch pipe 8 drives the sludge to ascend into the sludge discharge main pipe 5, and finally the sludge flows into the sludge discharge channel 16 on the right side of the horizontal sedimentation tank 1 from the sludge outlet end of the sludge discharge main pipe 5 to be collected, when the time setting of the time relay 13 is up, the electromagnetic valve 7 and the air blower 4 are closed to wait for the next starting time, in the process, the sludge collecting scraper groups 10 continuously collect and accumulate the sludge in the horizontal sedimentation tank 1, the next sludge discharge is convenient, when the time setting time is reached again by the time relay 13, the flow is repeated, and the characteristics of high sludge discharge concentration and small water consumption are achieved.

Claims

1. The utility model provides a be applied to novel purlin bridge formula air-lift sludge discharge system of water treatment plant's advection sedimentation tank, includes advection sedimentation tank (1), its characterized in that: horizontal sedimentation tank (1) upper end has been installed girder bridge (2), switch board (3) and air-blower (4) have been installed to girder bridge (2) upper end, girder bridge (2) lower extreme has been installed and has been arranged mud house steward (5) and connecting rod (6), a plurality of solenoid valve (7) have been installed to arrange mud house steward (5) lower extreme, row's mud tubulation (8) have been installed to solenoid valve (7) other end, fixed plate (9) have been installed to connecting rod (6) lower extreme, collection mud scraping plate group (10) have been installed to fixed plate (9) lower extreme, it installs to arrange mud tubulation (8) in collection mud scraping plate group (10), row's mud tubulation (8) lower extreme has been installed and has been given vent to anger branch pipe (11), it installs on house steward (12) to give vent to anger branch pipe (11), install on one side of air-.

2. The novel truss-bridge type air-lift sludge discharge system applied to the horizontal flow sedimentation tank of the water treatment plant as claimed in claim 1, is characterized in that: the control cabinet (3) is provided with a time relay (13), a power line (14) is installed at the power end of the electromagnetic valve (7), a main perforation (15) is arranged on the truss bridge (2), the power line (14) penetrates through the main perforation (15), the extending end of the power line (14) is installed on the time relay (13), and the power end of the air blower (4) is installed on the time relay (13).

3. The novel truss-bridge type air-lift sludge discharge system applied to the horizontal flow sedimentation tank of the water treatment plant as claimed in claim 1, is characterized in that: horizontal sedimentation tank (1) one side is equipped with row mud canal (16), arrange mud house steward (5) one side and insert and establish in row mud canal (16), arrange mud and divide pipe (8) lower extreme to insert and establish in horizontal sedimentation tank (1), arrange mud and divide pipe (8) lower extreme and installed intake pipe (17), air outlet branch pipe (11) are installed on intake pipe (17).

4. The novel truss-bridge type air-lift sludge discharge system applied to the horizontal flow sedimentation tank of the water treatment plant as claimed in claim 3, is characterized in that: the mud collection scraper group (10) is of an open trapezoidal structure, and the mud discharge branch pipe (8) is inserted into the open end of the mud collection scraper group (10).

5. The novel truss-bridge type air-lift sludge discharge system applied to the horizontal flow sedimentation tank of the water treatment plant as claimed in claim 2, is characterized in that: be equipped with vice perforation (18) on truss bridge (2), give vent to anger house steward (12) run through in vice perforation (18), give vent to anger house steward (12) and install truss bridge (2) lower extreme.

6. The novel truss-bridge type air-lift sludge discharge system applied to the horizontal flow sedimentation tank of the water treatment plant as claimed in claim 2, is characterized in that: a plurality of supporting columns (19) are installed on two sides of the bottom end of the truss bridge (2), damping columns (20) are installed on the supporting columns (19), rotating holes (21) are arranged on two sides of the lower end of the supporting columns (19), bearings (22) are installed in the rotating holes (21), rollers (23) are installed between the rotating holes (21), rotating shafts (24) are installed on two sides of the rollers (23), the rotating shafts (24) penetrate through the bearings (22), main rotating wheels (25) are installed on one sides of the rotating shafts (24), transmission belts (26) are sleeved on the main rotating wheels (25), the other ends of the transmission belts (26) are sleeved on auxiliary rotating wheels (27), rotating shafts (28) are inserted into the auxiliary rotating wheels (27), the rotating shafts (28) are installed on motors (29), the motors (29) are installed on the truss bridge (2), and the motors (29) on two sides of the truss bridge (2) are oppositely placed, guide rails (30) are arranged on two sides of the horizontal sedimentation tank (1), and the rollers (23) are arranged on the guide rails (30).