CN211644844U

CN211644844U - Dissolved air flotation device for sewage treatment

Info

Publication number: CN211644844U
Application number: CN202020120547.6U
Authority: CN
Inventors: 郭祖芳; 付宇; 陈付轩; 郑光耀; 胡杭城; 宋启森
Original assignee: 郭祖芳
Current assignee: Anhui Zhongjian Environmental Protection Technology Co.,Ltd.
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-10-09
Anticipated expiration: 2030-01-19

Abstract

The utility model provides a dissolve gas air supporting device for sewage treatment relates to the sewage treatment field. This a dissolve gas air supporting device for sewage treatment dissolves the gas pitcher including handling case and pressure, and the inside of handling the case is equipped with the baffle, handles incasement chamber top and is equipped with salvage mechanism, and the baffle top is equipped with shedding mechanism, and salvage mechanism includes drive roll, driven voller and chain conveyor, and the chain conveyor top is equipped with branch, and the quantity of branch sets up to two, is equipped with the connecting rod between two branches, and the connecting rod bottom is equipped with the bucket body, and the bucket body bottom is equipped with the pinion rack. This a dissolve gas air supporting device for sewage treatment can increase the salvage volume that the single was salvaged through bucket body and pinion rack, improves the salvage effect to the flocculus in the sewage, can ensure with liquid separation when salvaging impurity, the in-process of bucket body motion, receives the action of gravity can keep holding stably to impurity, can avoid causing the impurity of salvaging to drop because of the organism vibrations.

Description

Dissolved air flotation device for sewage treatment

Technical Field

The utility model relates to a sewage treatment technical field specifically is a dissolve gas air supporting device for sewage treatment.

Background

The dissolved air flotation is that air sent to an air tank by an air compressor is brought into a dissolved air tank through a jet device, is forcibly dissolved in water under the pressure of 0.35Mpa to form dissolved air water, and is sent to an air flotation tank, under the condition of sudden release, the air dissolved in the water is separated out to form a large amount of micro-bubble groups, and the micro-bubble groups are fully contacted with suspended matters in the sewage which is sent by a pump and is flocculated after being added with drugs, and are adsorbed in the flocculated suspended matters in the slow rising process.

Traditional dissolved air flotation device is at the in-process of in-service use, because it is to the flocculent suspended solid use ordinary scum board to salvage the suspended solid, its operation in-process at the machine, it does not possess the function that makes floccule and sewage separation, this causes the floccule and the impurity of fishing out still to be mixed turbid liquid, when the scum board accompanies the conveyer belt motion simultaneously, the floccule that has scraped exists the risk of falling into the sewage once more, leads to the clearance effect of clearing up not good.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a dissolve gas air supporting device for sewage treatment to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a dissolved air flotation device for sewage treatment comprises a treatment box and a pressure dissolved air tank, wherein an air pipe is arranged between the treatment box and the pressure dissolved air tank, a partition plate is arranged inside the treatment box and fixedly connected with the inner wall of the treatment box, the partition plate divides the inside of the treatment box into a water collecting cavity and a sewage storing cavity, a salvaging mechanism is arranged at the top of the inner cavity of the treatment box, and a discharging mechanism is arranged at the top of the partition plate;

the salvaging mechanism comprises a driving roller, a driven roller and a chain type conveyor belt, wherein the chain type conveyor belt is arranged outside the driving roller and the driven roller, the chain type conveyor belt is in transmission connection with the driving roller and the driven roller, the top of the chain type conveyor belt is provided with two support rods, a connecting rod is arranged between the two support rods, the bottom of the connecting rod is provided with a bucket body, the bucket body is movably sleeved with the connecting rod, the bottom of the bucket body is provided with a toothed plate, and the toothed plate is fixedly connected with the bucket body;

the discharging mechanism comprises a mounting seat, the mounting seat is fixedly connected with a partition plate, a buffer box is arranged at the top of the mounting seat, a straight rod is arranged inside the buffer box, a return spring is arranged inside the buffer box, a discharging plate is arranged at the top of the mounting seat, the bottom of the discharging plate is movably hinged to the mounting seat, a friction cushion block is fixedly connected to the other side of the discharging plate, a door plate is arranged on one side of the processing box and movably hinged to the processing box, a water outlet joint is arranged at the bottom of the door plate and welded to the processing box, a water inlet joint is arranged on the other side of the processing box and welded to the processing box.

Preferably, one end of the air pipe is fixed and communicated with the pressure dissolved air tank, and the other end of the air pipe is fixed and communicated with the treatment box.

Preferably, the drive roll is established in driven voller one side, drive roll and driven voller both ends are equallyd divide respectively with handle incasement wall both sides swing joint, drive roll one end runs through and handles a lateral wall of case and extend to and handle the case back.

Preferably, two branch and chain conveyor are fixed connection, the both ends of connecting rod respectively with two branch swing joint, two constitute bearing structure between branch and the connecting rod, bearing structure sets up to the multiunit.

Preferably, all seted up the through-hole on bucket body and the pinion rack, the quantity of through-hole sets up to a plurality ofly, and is a plurality of the inside filter screen that all inlays of through-hole is equipped with.

Preferably, the number of the straight rods is two, the two straight rods are symmetrically distributed relative to the vertical center line of the buffer box, and the buffer box is movably sleeved with the straight rods.

Preferably, two ends of the return spring are fixedly connected with one ends of two straight rods respectively, one of the straight rods is movably hinged with the mounting seat, and the other end of the other straight rod is movably connected with one side of the discharging plate.

The utility model provides a dissolve gas air supporting device for sewage treatment, its beneficial effect who possesses as follows:

1. this a dissolve gas air supporting device for sewage treatment establishes stable mounting structure through making branch and connecting rod, can ensure the bucket more stable when salvaging floccule and impurity, the bucket sets up to the bucket type, simultaneously at the bottom installation pinion rack of bucket, bucket and pinion rack can increase the salvage volume that the single was salvaged, improve the salvage effect to floccule in the sewage, set up the through-hole simultaneously on bucket and pinion rack, and at through-hole internally mounted filter screen, can ensure with liquid separation when salvaging impurity, better, the bucket is the active relation of being connected with the connecting rod, at the in-process of bucket motion, it can keep holding stably to impurity to receive the action of gravity, can avoid causing the impurity of salvaging to drop because of organism vibrations.

2. This a dissolve gas air supporting device for sewage treatment is through installing the subassembly of unloading on the baffle, when first bucket body emptys the end, the bucket body promotes the change that the stripper took place the angle, and return spring is compressed, and the bucket body can pass through the stripper, and the bucket body passes through behind the stripper, and return spring resets and makes the stripper reset and continue to empty next bucket body, and the structure is simple and convenient, reduces the operating procedure of manpower, and the practicality is strong, and is longe-lived, accords with the requirement of enterprise economic benefits nature.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a schematic view of the bucket body structure of the present invention;

FIG. 4 is an enlarged view of the portion A of FIG. 2 according to the present invention;

fig. 5 is a sectional view of the buffer box of the present invention.

In the figure: 1. a treatment tank; 2. a pressure dissolved air tank; 3. an air tube; 4. a drive roll; 5. a driven roller; 6. a chain conveyor; 7. a strut; 8. a connecting rod; 9. a bucket body; 10. a toothed plate; 11. a partition plate; 12. a mounting seat; 13. a buffer tank; 14. a straight rod; 15. a return spring; 16. a stripper plate; 17. a friction cushion block; 18. a door panel; 19. a water outlet joint; 20. a water inlet joint.

Detailed Description

The embodiment of the utility model provides a dissolved air flotation device for sewage treatment, as shown in fig. 1-5, including treatment box 1 and pressure dissolved gas tank 2, be equipped with trachea 3 between treatment box 1 and the pressure dissolved gas tank 2, trachea 3 one end is fixed and is communicated with pressure dissolved gas tank 2, the trachea 3 other end is fixed and is communicated with treatment box 1, the inside of treatment box 1 is equipped with baffle 11, baffle 11 is fixedly connected with the treatment box 1 inner wall, baffle 11 divides the treatment box 1 inside into water collecting cavity and deposit dirty chamber, treatment box 1 inner chamber top is equipped with salvages the mechanism, baffle 11 top is equipped with discharge mechanism;

specifically, the salvaging mechanism comprises a driving roller 4, a driven roller 5 and a chain type conveyor belt 6, wherein the driving roller 4 is arranged on one side of the driven roller 5, two ends of the driving roller 4 and two ends of the driven roller 5 are respectively movably connected with two sides of the inner wall of a treatment box 1, one end of the driving roller 4 penetrates through one side wall of the treatment box 1 and extends to the back of the treatment box 1, the chain type conveyor belt 6 is arranged outside the driving roller 4 and the driven roller 5, the chain type conveyor belt 6 is in transmission connection with the driving roller 4 and the driven roller 5, the top of the chain type conveyor belt 6 is provided with two support rods 7, the number of the support rods 7 is set to be two, the two support rods 7 and the chain type conveyor belt 6 are fixedly connected, a connecting rod 8 is arranged between the two support rods 7, two ends of the connecting rod 8 are respectively movably connected with the two support rods 7, a support structure is set to be, can ensure that the bucket body 9 is more stable when salvaging flocculus and impurity, 8 bottoms of connecting rod are equipped with the bucket body 9, the activity cup joints between bucket body 9 and the connecting rod 8, bucket body 9 bottom is equipped with pinion rack 10, pinion rack 10 and bucket body 9 fixed connection, the through-hole has all been seted up on bucket body 9 and the pinion rack 10, the quantity of through-hole sets up to a plurality ofly, the inside filter screen that all inlays of a plurality of through-holes, bucket body 9 and pinion rack 10 can increase the salvage volume that the single was salvaged, improve the salvage effect to flocculus in the sewage, set up the through-hole simultaneously on bucket body 9 and pinion rack 10, and at through-hole internally mounted filter screen.

Specifically, the discharging mechanism comprises a mounting base 12, the mounting base 12 is fixedly connected with a partition plate 11, a buffer box 13 is arranged at the top of the mounting base 12, straight rods 14 are arranged in the buffer box 13, the number of the straight rods 14 is two, the two straight rods 14 are symmetrically distributed relative to the vertical central line of the buffer box 13, the buffer box 13 is movably sleeved with the straight rods 14, a return spring 15 is arranged in the buffer box 13, two ends of the return spring 15 are respectively and fixedly connected with one end of each of the two straight rods 14, one of the straight rods 14 is movably hinged with the mounting base 12, a discharging plate 16 is arranged at the top of the mounting base 12, the bottom of the discharging plate 16 is movably hinged with the mounting base 12, the other end of the other straight rod 14 is movably connected with one side of the discharging plate 16, a friction cushion block 17 is fixedly connected to the other side of the discharging plate 16, a door plate 18 is arranged, the water outlet joint 19 is welded with the treatment box 1, the other side of the treatment box 1 is provided with a water inlet joint 20, and the water inlet joint 20 is welded with the treatment box 1.

The implementation mode is specifically as follows: in the process of using the utility model, the water inlet pipe of the sewage can be connected with the water inlet joint 20, the external pipeline can be connected with the water outlet joint 19, the pressure dissolved air tank 2 can inject dissolved air into the treatment box 1 through the air pipe 3, the dissolved air can lead the inside of the sewage to form floccules and impurities to float, furthermore, one end of the driving roller 4 can be connected with the external driving component in advance, the driving component can be a servo motor of Mitsubishi servo MR-J2S200A type or a stepping motor of Mitsubishi HC-UFS43K type, the driven roller 5 and the chain conveyor 6 move along with the rotation of the driving roller 4 in the rotating process of the motor-driven driving roller 4, at the moment, a plurality of fixed support rods 7 on the chain conveyor 6 can move along with the movement track of the chain conveyor 6, because the connecting rod 8 is arranged on the support rods 7 at the same time, the support rods 7 and the connecting rod 8 establish a stable installation structure, the bucket body 9 can be ensured to be more stable when the floccule and impurities are salvaged, the bucket body 9 is set to be of a bucket shape, the toothed plate 10 is arranged at the bottom of the bucket body 9, the bucket body 9 and the toothed plate 10 can increase the salvage amount of single salvage, the salvage effect of floccule in sewage is improved, meanwhile, through holes are formed in the bucket body 9 and the toothed plate 10, filter screens are arranged in the through holes, liquid can be separated when impurities are salvaged, better, the bucket body 9 and the connecting rod 8 are movably connected, the impurities can be stably held under the action of gravity in the movement process of the bucket body 9, the salvaged impurities can be prevented from falling off due to vibration of a machine body, meanwhile, the unloading assembly is arranged on the partition plate 11, when the bucket body 9 moves to the upper side of the unloading plate 16, the bucket body 9 is in contact with the unloading plate 16, the unloading plate 16 supports the bottom of the bucket body 9, the angle of the bucket body 9 is changed, impurities fall into the sewage storage cavity from the interior of the hopper body 9, because a friction cushion block 17 is arranged on one side of the discharging plate 16, the friction cushion block 17 is made of soft materials, the friction between the hopper body 9 and the discharging plate 16 can be reduced, the service lives of the hopper body 9 and the discharging plate 16 are prolonged, meanwhile, the discharging plate 16 is hinged with the mounting seat 12, two straight rods 14 at two ends of the buffer box 13 are respectively hinged with the discharging plate 16 and the mounting seat 12, when the first hopper body 9 is poured, the hopper body 9 pushes the discharging plate 16 to change the angle, the return spring 15 is compressed, the hopper body 9 can pass through the discharging plate 16, after the hopper body 9 passes through the discharging plate 16, the return spring 15 is reset to reset the discharging plate 16 to continue to pour the next hopper body 9, the structure is simple and convenient, the operation steps of manpower are reduced, the practicability is strong, the service life is long, the requirement of economic benefits of an enterprise is met, and after the sewage storage cavity, the door panel 18 may be opened to clean the dirt.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a dissolve gas air supporting device for sewage treatment, dissolves gas pitcher (2) including handling case (1) and pressure, its characterized in that: an air pipe (3) is arranged between the treatment tank (1) and the pressure dissolved air tank (2), a partition plate (11) is arranged inside the treatment tank (1), the partition plate (11) is fixedly connected with the inner wall of the treatment tank (1), the partition plate (11) divides the inside of the treatment tank (1) into a water collecting cavity and a dirt storing cavity, a fishing mechanism is arranged at the top of an inner cavity of the treatment tank (1), and a discharging mechanism is arranged at the top of the partition plate (11);

the salvaging mechanism comprises a driving roller (4), a driven roller (5) and a chain conveyor belt (6), wherein the chain conveyor belt (6) is arranged outside the driving roller (4) and the driven roller (5), the chain conveyor belt (6) is in transmission connection with the driving roller (4) and the driven roller (5), the top of the chain conveyor belt (6) is provided with two supporting rods (7), the number of the supporting rods (7) is two, a connecting rod (8) is arranged between the two supporting rods (7), the bottom of the connecting rod (8) is provided with a bucket body (9), the bucket body (9) is movably sleeved with the connecting rod (8), the bottom of the bucket body (9) is provided with a toothed plate (10), and the toothed plate (10) is fixedly connected with the bucket body (9);

the discharging mechanism comprises a mounting seat (12), the mounting seat (12) is fixedly connected with the partition plate (11), the top of the mounting seat (12) is provided with a buffer box (13), a straight rod (14) is arranged inside the buffer box (13), a return spring (15) is arranged in the buffer box (13), a stripper plate (16) is arranged at the top of the mounting seat (12), the bottom of the stripper plate (16) is movably hinged with the mounting seat (12), the other side of the stripper plate (16) is fixedly connected with a friction cushion block (17), a door plate (18) is arranged on one side of the treatment box (1), the door plate (18) is movably hinged with the treatment box (1), the bottom of the door plate (18) is provided with a water outlet joint (19), the water outlet joint (19) is welded with the treatment box (1), and a water inlet joint (20) is arranged on the other side of the treatment box (1), and the water inlet joint (20) is welded with the treatment box (1).

2. The dissolved air flotation device for sewage treatment as claimed in claim 1, wherein: one end of the air pipe (3) is fixed and communicated with the pressure dissolved air tank (2), and the other end of the air pipe (3) is fixed and communicated with the treatment box (1).

3. The dissolved air flotation device for sewage treatment as claimed in claim 1, wherein: establish in driven voller (5) one side drive roller (4), drive roller (4) and driven voller (5) both ends are equallyd divide and do not need to be handled case (1) inner wall both sides swing joint, drive roller (4) one end is run through and is handled case (1) a lateral wall and extend to and handle case (1) back.

4. The dissolved air flotation device for sewage treatment as claimed in claim 1, wherein: two branch (7) are fixed connection with chain conveyor (6), the both ends of connecting rod (8) respectively with two branch (7) swing joint, two constitute bearing structure between branch (7) and connecting rod (8), bearing structure sets up to the multiunit.

5. The dissolved air flotation device for sewage treatment as claimed in claim 1, wherein: all seted up the through-hole on bucket body (9) and pinion rack (10), the quantity of through-hole sets up to a plurality ofly, and is a plurality of the inside filter screen that all inlays of through-hole is equipped with.

6. The dissolved air flotation device for sewage treatment as claimed in claim 1, wherein: the number of the straight rods (14) is two, the two straight rods (14) are symmetrically distributed relative to the vertical central line of the buffer box (13), and the buffer box (13) is movably sleeved with the straight rods (14).

7. The dissolved air flotation device for sewage treatment as claimed in claim 1, wherein: two ends of the return spring (15) are respectively fixedly connected with one ends of two straight rods (14), one of the straight rods (14) is movably hinged with the mounting seat (12), and the other end of the other straight rod (14) is movably connected with one side of the discharging plate (16).