CN110697886A

CN110697886A - Precipitation reaction tank for sewage treatment process

Info

Publication number: CN110697886A
Application number: CN201911002900.9A
Authority: CN
Inventors: 黄冲英; 丁晓光
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-01-17

Abstract

The invention discloses a sedimentation reaction tank for a sewage treatment process, which comprises a sedimentation tank, wherein the bottom of the sedimentation tank is provided with a plurality of movable mechanisms, each movable mechanism comprises an upper partition plate and a lower partition plate, each upper partition plate is of a grid structure, a slide rail is arranged between every two adjacent movable mechanisms, each slide rail is fixedly connected to the bottom of the sedimentation tank, the movable mechanisms are in sliding connection with the slide rails, each lower partition plate is arranged below the corresponding upper partition plate, and a plurality of inserting shafts are fixedly arranged on each lower partition plate. The movable mechanism is arranged at the bottom of the sedimentation tank, the counterweight body in the movable mechanism ensures that the upper partition plate, the lower partition plate and the pre-stored activated sludge are in a balanced state, the weight of the activated sludge can be gradually increased along with the gradual decomposition of organic matters by microorganisms, the movable mechanism can lose balance, the upper partition plate and the lower partition plate which lose balance can move, the sludge and the wastewater are mixed again, the gas in the sludge is released, and the better treatment effect of the microorganisms in the sludge is ensured.

Description

Precipitation reaction tank for sewage treatment process

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a precipitation reaction tank for a sewage treatment process.

Background

The sewage treatment is a process for purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage, and the sewage treatment also increasingly enters the daily life of common people, along with the social development, the increasing sewage treatment adopts an activated sludge method of microorganisms for organic treatment, the SBR treatment process is an activated sludge sewage treatment technology operated in an intermittent aeration mode, and the treatment technology integrates the functions of homogenization, primary sedimentation, biodegradation, secondary sedimentation and the like in a pool and has no sludge backflow system.

The SBR treatment process is a process flow of alternately performing anaerobic treatment, anoxic treatment and aerobic treatment, in the treatment process, the treated water entering a sedimentation tank needs to keep solution oxygen with a certain concentration, but after long-term use, a large amount of activated sludge is accumulated at the bottom of the sedimentation tank, the activated sludge can swell in the microbial reaction process, and the activated sludge needs to be dredged at regular time to avoid the swelling caused by too much gas accumulated in the activated sludge, so that the decomposition effect of microorganisms on organic matters is reduced.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: the activated sludge can swell in the process of microbial reaction, and needs to be dredged at regular time, so the sedimentation reaction tank for the sewage treatment process is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

a sedimentation reaction tank for sewage treatment process comprises a sedimentation tank, wherein the bottom of the sedimentation tank is provided with a plurality of movable mechanisms, each movable mechanism comprises an upper partition plate and a lower partition plate, each upper partition plate is of a grid structure, a slide rail is arranged between every two adjacent movable mechanisms, the slide rails are fixedly connected to the bottom of the sedimentation tank, the movable mechanisms are in sliding connection with the slide rails, the lower partition plates are arranged below the upper partition plates, a plurality of inserting shafts are fixedly mounted on the lower partition plates, the inserting shafts penetrate through the upper partition plates, spring shafts are slidably inserted on the lower partition plates, the upper ends of the spring shafts are abutted against the bottoms of the upper partition plates, the two sides of each spring shaft are symmetrically and rotatably connected with a telescopic shaft, the middle of each telescopic shaft is rotatably connected with a fixed shaft, the fixed shaft is fixedly connected with the inner wall of the sedimentation tank, one end, far away from the spring shafts, of each telescopic shaft is, and the two sides of the bottom of each lower clapboard are symmetrically provided with a counterweight body.

Preferably, a pair of fixed shafts corresponding to the movable mechanism are symmetrically and fixedly installed at the bottom of the sedimentation tank, and the two fixed shafts penetrate through the upper partition plate and the lower partition plate.

Preferably, the two ends of the upper partition plate and the two ends of the lower partition plate are fixedly connected with sliding blocks, sliding grooves are formed in the sliding rails, and the sliding blocks are connected with the sliding grooves in a sliding mode.

Preferably, the counterweight body is a plastic box, and counterweight liquid is filled in the plastic box.

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

at the bottom installation movable mechanism of sedimentation tank, the counter weight body among the movable mechanism guarantees that last baffle and lower baffle and prestore activated sludge and be in balanced state, along with the microorganism decomposes the organic matter gradually, activated sludge weight can increase gradually, and movable mechanism will lose balance, and the last baffle that loses balance can remove with lower baffle, and mud and waste water mix once more, and the gas in the mud releases, guarantees the better treatment effect of the inside microorganism of mud.

The spring shaft can elastically adapt to the sedimentation effect of flocculate, so that the interior of the settled sludge can be treated at regular time, the expanded sludge caused by microbial decomposition can be treated timely, the activated sludge can keep a high treatment effect, and a good treatment space is provided for the microorganisms in the interior.

Drawings

FIG. 1 is a schematic structural diagram of a precipitation reaction tank for a sewage treatment process according to the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural diagram at B in fig. 1.

In the figure: 1 sedimentation tank, 2 counter weight bodies, 3 telescopic shafts, 4 lower partition plates, 5 sliding rails, 6 upper partition plates, 7 insertion shafts, 8 spring shafts, 9 fixing shafts and 10 sliding blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a sedimentation reaction tank for sewage treatment process comprises a sedimentation tank 1, a plurality of movable mechanisms are arranged at the bottom of the sedimentation tank 1, each movable mechanism comprises an upper partition plate 6 and a lower partition plate 4, each upper partition plate 6 is of a grid structure, a slide rail 5 is arranged between every two adjacent movable mechanisms, each slide rail 5 is fixedly connected to the bottom of the sedimentation tank 1, each movable mechanism is slidably connected with each slide rail 5, each lower partition plate 4 is arranged below the corresponding upper partition plate 6, a plurality of inserting shafts 7 are fixedly arranged on each lower partition plate 4, each inserting shaft 7 penetrates through each upper partition plate 6, a spring shaft 8 is slidably inserted on each lower partition plate 4, the upper end of each spring shaft 8 abuts against the bottom of each upper partition plate 6, fixed shafts are rotatably connected to the two sides of each spring shaft 8 in the middle of each telescopic shaft 3, the fixed shafts are fixedly connected with the inner wall of the sedimentation tank 1, one end of each telescopic shaft 3, far away from each, the two sides of the bottom of each lower clapboard 4 are symmetrically provided with the balance weights 2;

wherein, the bottom symmetry fixed mounting of sedimentation tank 1 has a pair of fixed axle 9 that corresponds with the moving mechanism, two fixed axles 9 all pass baffle 6 and lower baffle 4, fixed axle 9 passes baffle 4 and last baffle 6 down and has spacing effect, make it can reciprocate with the vertically angle with the axle 7 to go up baffle 6 and insert under the restriction of fixed axle 9, go up the equal fixedly connected with slider 10 in both ends of baffle 6 and lower baffle 4, the spout has been seted up on slide rail 5, slider 10 and spout sliding connection, slider 10 slides on the spout, spacing effect has, make it reciprocates along the direction of spout to go up baffle 6 and lower baffle 4, the counter weight body 2 is the plastic carton, the plastic carton intussuseption is filled with the counter weight liquid.

In the invention, in the process of sewage treatment, a certain amount of activated sludge is stored in the sedimentation tank 1, wherein the sludge is generally arranged above the lower partition plate 4 and the upper partition plate 6, the wastewater is conveyed into the sedimentation tank 1 and is mutually mixed and contacted with the activated sludge, the mixing is aerobic mixing, microorganisms in the activated sludge can metabolize organic matters in the wastewater, the degradation of the organic matters is beneficial to the proliferation of microorganism cells, solid particle impurities in the wastewater can be precipitated in the process of decomposing the organic matters, and the microorganisms can also generate floccules in the process of decomposing the organic matters, and the floccules can be gradually precipitated.

The sedimentation tank 1 is pre-stored with certain activated sludge, the initial weight of the pre-stored activated sludge is M1, the pre-stored activated sludge is arranged above the upper partition plate 6 and the lower partition plate 4, the counterweight bodies 2 are symmetrically arranged on two sides below the lower partition plate 4, the counterweight bodies 2 have certain buoyancy in the sedimentation tank 1, the buoyancy of the counterweight bodies 2 is F, the sum of the mass of the pre-stored activated sludge and the mass of the upper partition plate 6 and the mass of the lower partition plate 4 is equal to the buoyancy, so that the upper partition plate 6 and the lower partition plate 4 keep relatively stable effect at the bottom of the sedimentation tank 1, the weight of the activated sludge can be increased inevitably in the process of decomposing organic matters by microorganisms and the process of settling wastewater, the treatment effect of the microorganisms on the wastewater can generate the action force of M2, wherein the spring in the spring shaft 8 can generate upward elastic force T, and the elastic force of the spring can be changed correspondingly, when M1+ M2> F, M1+ M2 is F + T during the whole movement, the lower partition plate 4 and the upper partition plate 6 will gradually move downwards, the telescopic shaft 3 will inevitably rotate relative to the spring shaft 8 during the downward movement, and the spring shaft 8 will be compressed under the downward acting force, after M2 is continuously increased, the compression range of the spring in the spring shaft 8 is exceeded;

wherein the middle position of the telescopic shaft 3 is fixedly connected with a fixed shaft, according to the lever principle, the fixed shaft is used as a fulcrum in a lever, the lower clapboard 4 and the upper clapboard 6 are in the process of moving downwards, one section of the telescopic shaft 3, which is away from the lower clapboard 4, is used as a power arm, one section of the telescopic shaft 3, which is away from the spring shaft 8, is used as a resistance arm, the upper section of the telescopic shaft 3 rotates downwards, the lower section of the telescopic shaft 3 rotates upwards, the telescopic shaft 3 has an upward acting force on the spring shaft 8, the spring shaft 8 can bear against the upper clapboard 6 under the combined action of the upper gravity and the upward acting force of the telescopic shaft 3 after being compressed to the maximum state, the spring shaft 8 can not compress any more, the upper clapboard 6 controlled by the spring shaft 8 can not continue to descend, the lower clapboard 4 can continue to descend under the inertia effect, and the upper clapboard 6 and the lower clapboard 4 can separate, the inserting shaft 7 connected with the lower clapboard 4 can be separated from the upper clapboard 6, a plurality of holes can be formed in the upper clapboard 6, a certain amount of activated sludge can overflow and leak from the holes, the process that the upper clapboard 6 and the lower clapboard 4 move downwards is dynamic, the activated sludge on the upper part can be moved, meanwhile, the activated sludge can be fluctuated in the process that the upper clapboard 6 is separated from the lower clapboard 4, filamentous bacteria in the activated sludge are effective bacteria for wastewater treatment, which is good, microorganisms in the sludge can generate gas and the like in the decomposition process, the activated sludge can fluctuate under the action of the lower clapboard 4 and the upper clapboard 6, the gas stored in the activated sludge can be gradually released under the fluctuation action, the participation of workers is effectively avoided, the good treatment effect of the activated sludge on the wastewater is ensured, and the fluctuated sludge can be mixed with the wastewater again, the sludge mixed with the wastewater reduces the M2 borne by the lower partition plate 4 and the upper partition plate 6, the buoyancy of the counterweight body 2 acts again, and the lower partition plate 4 and the upper partition plate 6 can restore to the original state under the action of the buoyancy, so that the wastewater is continuously treated.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a sedimentation reaction tank for sewage treatment process, includes sedimentation tank (1), its characterized in that, the bottom of sedimentation tank (1) is provided with a plurality of moving mechanism, moving mechanism includes baffle (6) and lower baffle (4), it is the grid structure, adjacent two to go up baffle (6) be provided with slide rail (5) between the moving mechanism, slide rail (5) fixed connection is in the bottom of sedimentation tank (1), moving mechanism and slide rail (5) sliding connection, baffle (4) set up the below at last baffle (6) down, fixed mounting has a plurality of axle (7) of inserting down on baffle (4), insert axle (7) and pass baffle (6), slide and insert down on baffle (4) and be equipped with spring axle (8), the upper end and the last baffle (6) bottom of spring axle (8) offset, the bilateral symmetry of spring axle (8) is rotated and is connected with telescopic shaft (3) the centre of telescopic shaft (3) changes Move and be connected with the dead axle, the inner wall fixed connection of dead axle and sedimentation tank (1), the one end that spring shaft (8) were kept away from in telescopic shaft (3) is rotated with the bottom of lower baffle (4) and is connected, every the bilateral symmetry of lower baffle (4) bottom installs the counter weight body (2).

2. The sedimentation reaction tank for sewage treatment process according to claim 1, wherein a pair of fixed shafts (9) corresponding to the movable mechanism are symmetrically and fixedly installed at the bottom of the sedimentation tank (1), and both of the fixed shafts (9) pass through the upper partition plate (6) and the lower partition plate (4).

3. The sedimentation reaction tank for sewage treatment processes according to claim 1, wherein both ends of the upper partition plate (6) and the lower partition plate (4) are fixedly connected with sliding blocks (10), the sliding rail (5) is provided with a sliding groove, and the sliding blocks (10) are slidably connected with the sliding groove.

4. The sedimentation reaction tank for sewage treatment process according to claim 1, wherein the counterweight body (2) is a plastic box, and a counterweight liquid is filled in the plastic box.