CN214192647U

CN214192647U - Deslagging system at bottom of air floatation device

Info

Publication number: CN214192647U
Application number: CN202022632355.6U
Authority: CN
Inventors: 裴玉明; 付帅; 夏磊
Original assignee: JINAN KAIDA ENVIRONMENTAL PROTECTION CO Ltd
Current assignee: JINAN KAIDA ENVIRONMENTAL PROTECTION CO Ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-09-14
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a bottom slag discharge system of an air flotation device, which comprises an air flotation box body, wherein the air flotation box body consists of a front wall, a rear wall, a bottom wall and two symmetrical side walls to form a cavity with an upper opening, the middle position of the front wall is provided with a water inlet, the top position is provided with a top sewage outlet, the bottom position is provided with a bottom sewage outlet, the middle position of the rear wall is provided with a water outlet, the top of the air flotation box body is provided with a slag scraping machine, a shaftless spiral conveying blade is arranged inside the bottom wall of the air flotation box body, one end of the shaftless spiral conveying blade passes through the rear wall to be connected with a driving speed reducer, the other end of the shaftless spiral conveying blade extends to the bottom sewage outlet, and the bottom sewage outlet is externally connected with an electromagnetic valve; the utility model discloses the beneficial effect who has does: through set up shaftless auger delivery blade at the bottom half, can in time discharge the debris that fall to the bottom, avoid debris to pile up and influence the effect that air supporting device purified sewage at the bottom, solved the problem that artificial blowdown is unclean incomplete, improved economic benefits.

Description

Deslagging system at bottom of air floatation device

Technical Field

The utility model belongs to the technical field of sewage treatment technique and specifically relates to a sediment system is arranged to air supporting device bottom.

Background

Sewage treatment is a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and people have stronger awareness of environmental protection and increasingly enter the daily life of common people.

The sewage is commonly used in the treatment engineering to be an air floatation device, and the air floatation device is provided with a slag scraping machine at the top and can scrape the suspended sludge in the floating wastewater completely, thereby achieving the purpose of sewage purification. The device can effectively reduce the content of sewage suspended substances and COD. Because of its high efficiency, it is widely used in the field of sewage treatment.

In the air flotation device on the current market, some sundry sludge can be deposited at the bottom, and the sundries are difficult to remove as the accumulation of time is continuously increased, so that the volume of the air flotation device is occupied, and the effective volume of the air flotation device is reduced. In addition, due to the disturbance of the water body, sundries accumulated at the bottom are easily merged into the water again and enter the next procedure along the water flow, so that the difficulty is brought to the later process. Moreover, the impurities easily enter the dissolved air pump system of the air floatation, block the pump body, increase the failure rate and increase the maintenance cost.

At present, a method for solving the problem is generally to increase a vent pipe and open a valve to enable bottom water flow to drive sundries to be discharged, but the method can only discharge some sundries which are close to a vent or light in weight, and finally can only completely discharge air flotation for cleaning at intervals, so that time and labor are wasted, production stop of a factory can be caused, and economic benefit is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the defects in the prior art, the present invention is directed to an air flotation device bottom deslagging system.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides an air supporting device bottom slag removal system, includes the air supporting box body, the air supporting box body constitute a top open-ended cavity by antetheca, back wall, diapire and bisymmetry lateral wall, be equipped with water inlet, top position on the middle part position of antetheca and be equipped with the top drain, be equipped with the delivery port on the middle part position of back wall, air supporting box body top has erect and has scraped the sediment machine, and the diapire inside of air supporting box body is equipped with shaftless spiral conveying blade, shaftless spiral conveying blade's one end pass the back wall and link to each other with the drive speed reducer, the bottom drain department is stretched to the other end, bottom drain external connection solenoid valve. The sludge scraped from the wastewater by the sludge scraper sinks inevitably under the disturbance of water flow, the sludge falls down and precipitates and then falls on the shaftless spiral conveying blade at the bottom, the shaftless spiral conveying blade rotates under the driving of the driving speed reducer, sludge waste residues are pushed to the electromagnetic valve, the electromagnetic valve is opened simultaneously, and impurities can be discharged out of the air flotation box body. The blades are in a shaftless spiral form, so that winding risks are avoided, a bearing is not required to be hung, and the like, and faults are almost avoided.

As the utility model discloses a further improvement, two the first half of lateral wall vertical, the latter half toward the internal lateral symmetry slope of air supporting box, the bottom after the lateral wall slope of bisymmetry links to each other with the diapire of bending, the bottom small groove of formation, the size of small groove just in time can install shaftless spiral delivery blade and contact with it. In the sewage treatment process, a part of impurities such as sludge, sand and stones can be settled, and after the impurities are settled to the inclined plane at the bottom of the side wall, the impurities slide towards the groove along the inclined plane, and finally fall on the central groove at the bottom of the air floatation body.

As a further improvement, the wear-resisting welt is equipped with on the inside wall of little recess, and wear-resisting welt is wear-resisting to be convenient for change, shaftless helical blade is rotatory on wear-resisting welt, is emollient by water, and for intermittent type operation, can reduce frictional force by a wide margin, energy saving consumes, and can avoid damaging little recess wall, improve the life of this device.

As a further improvement, the position of the shaftless spiral conveying blade extending out of the air floatation box wall is provided with a sealing packing box which is tight in sealing and prevents sewage or sludge waste residue from leaking.

As a further improvement, the top drain in be equipped with in and scrape the scraper blade matched with of sediment machine and go out the mud board, this kind of setting is convenient for mud and is discharged from the top drain smoothly, avoids mud here to be broken up by the scraper blade of scraping the sediment machine and piles up.

As a further improvement, the water outlet is provided with an adjustable water outlet groove, the adjustable water outlet groove self height can be adjusted, and the adjustable water outlet groove is connected with the water outlet, thereby adjusting the height of the upper water surface of the wastewater, and being convenient for scraping the sludge machine to scrape the suspended sludge in the wastewater.

As a further improvement of the utility model, the air floating box body is fixed with the multiple groups of box supporting legs, and the box supporting legs are placed on the ground.

As a further improvement of the utility model, the supporting legs of the air box body have four groups.

Compared with the prior art, the utility model discloses the beneficial effect who has does: through set up shaftless auger delivery blade at the bottom half, can in time discharge the debris that fall to the bottom, avoid debris to pile up and influence the effect that air supporting device purified sewage at the bottom. The problem that artificial pollution discharge is not clean and incomplete is solved, and the economic benefit is improved.

Drawings

The invention will be further described with reference to the accompanying drawings:

FIG. 1 is a front view section of a slag discharge system at the bottom of an air flotation device of the present invention;

FIG. 2 is a view taken along line A of FIG. 1;

in the figure: the device comprises an electromagnetic valve 1, a shaftless spiral conveying blade 2, a wear-resistant lining plate 3, a box body supporting leg 4, an air floating box body 5, a front wall 501, a side wall 502, a rear wall 503, a bottom wall 504, a sealing packing box 6, a driving speed reducer 7, a water outlet 8, an adjustable water outlet groove 9, a slag scraper 10, a mud outlet plate 11, a top sewage outlet 12 and a water inlet 13.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-2.

The embodiment of the utility model discloses sediment system in air supporting device bottom is disclosed. Referring to fig. 1-2, a bottom deslagging system of an air flotation device comprises an air flotation tank body 5, wherein the air flotation tank body 5 is a cavity with an upper opening formed by a front wall 501, a rear wall 503, a bottom wall 504 and two symmetrical side walls 502, a water inlet 13 is arranged in the middle of the front wall 501, a top sewage outlet 12 is arranged in the top of the front wall 501, a water outlet 8 is arranged in the middle of the rear wall 503, a slag scraping machine 10 is erected on the top of the air flotation tank body 5, a shaftless spiral conveying blade 2 is arranged in the bottom wall 504 of the air flotation tank body 5, one end of the shaftless spiral conveying blade 2 penetrates through the rear wall 503 and is connected with a driving speed reducer 7, the other end of the shaftless spiral conveying blade extends to the bottom sewage outlet 14, the bottom sewage outlet 14 is externally connected with an electromagnetic valve 1, and a sealing stuffing box 6 is preferably arranged on the outer side of the wall surface of the shaftless spiral conveying blade 2, which penetrates through the rear wall 503, and is tightly sealed, prevent the sewage or sludge waste residue from leaking. In the operation process, the electromagnetic valve 1 and the driving speed reducer 7 are started and stopped simultaneously, and the starting and stopping time can be freely set so as to adapt to the accumulation speeds of different sundries. The sludge scraped from the wastewater by the residue scraper 10 inevitably sinks under the disturbance of water flow, the sludge falls down and precipitates and then falls on the shaftless spiral conveying blade 2 at the bottom, the shaftless spiral conveying blade 2 rotates under the driving of the driving speed reducer 7, sludge waste residues are pushed to the electromagnetic valve 1, the electromagnetic valve 1 is opened simultaneously, and impurities can be discharged out of the air flotation tank body 5. The blades are in a shaftless spiral form, so that winding risks are avoided, a bearing is not required to be hung, and the like, and faults are almost avoided.

Preferably, the upper half parts of the two side walls 502 are vertical, the lower half parts of the two side walls are symmetrically inclined towards the inner side of the air flotation tank body 5, the lowest ends of the two symmetrical side walls 502 after being inclined are connected with the bent bottom wall 504 to form a small bottom groove, and the size of the small bottom groove can be just provided with the shaftless spiral conveying blade 2 inside and is in contact with the small bottom groove. In the sewage treatment process, a part of impurities such as sludge and gravel can settle, and after the impurities settle to the inclined surface at the bottom of the side wall 502, the impurities slide towards the groove along the inclined surface, and finally fall on the central groove at the bottom of the air floatation body. Because shaftless helical conveying blade 2 is in the rotatory in-process and the repeated contact of little recess, be equipped with wear-resisting welt 3 on the preferred inside wall on little recess, wear-resisting welt 3 is wear-resisting to be convenient for change, shaftless helical conveying blade 2 is rotatory on wear-resisting welt 3, is the emollient by water, and for intermittent type operation, can reduce frictional force by a wide margin, energy saving consumes, and can avoid damaging little recess wall, improve the life of this device.

Preferably, a mud discharging plate 11 matched with a scraper blade of the slag scraper 10 is arranged in the top sewage draining outlet 12, so that the sludge can be smoothly discharged from the top sewage draining outlet 12, and the sludge is prevented from being scattered and accumulated by the scraper blade of the slag scraper 10. The water outlet 8 is provided with an adjustable water outlet groove 9, the height of the adjustable water outlet groove 9 can be adjusted, and the adjustable water outlet groove is connected with the water outlet 8, so that the height of the upper water surface of the wastewater can be adjusted, and sludge suspended in the wastewater can be conveniently scraped by the sludge scraper 10. The air flotation tank body 5 is fixed with four groups of tank body supporting legs 4 and is placed on the ground through the tank body supporting legs 4.

The embodiment of the utility model provides an implementation principle of sediment system is arranged to air supporting device bottom does: in the working process, waste water enters from the water inlet 13, purified clean water is discharged from the water outlet 8, the slag scraper 10 continuously rotates in the purification process, the driving speed reducer 7 and the electromagnetic valve 1 are started, and the shaftless spiral conveying blade 2 rotates under the driving of the driving speed reducer 7. Mud in the waste water is along with the bubble suspension to the top, scrape by the scraper blade on the pivoted sediment machine 10 and send to the output of top drain 12, deposit in addition or fall into from the upper portion scattered mud waste residue and fall into the shaftless auger delivery blade 2 of bottom on, shaftless auger delivery blade 2 is constantly rotatory, thereby to mud waste residue propelling movement bottom drain 14, solenoid valve 1 work, thereby discharge the outside of gas flotation tank 5 to the mud waste residue of bottom drain 14, thereby accomplished whole sewage purification flow.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only, not by way of limitation, since other embodiments will become apparent to those skilled in the art upon consideration of the following detailed description of the invention without any creative effort.

Claims

1. The utility model provides a sediment system in air supporting device bottom which characterized in that: comprises an air floating box body (5), the air floating box body (5) is composed of a front wall (501), a rear wall (503), a bottom wall (504) and two symmetrical side walls (502) to form a cavity with an upper opening, a water inlet (13) is arranged in the middle of the front wall (501), a top sewage outlet (12) is arranged at the top, a bottom sewage outlet (14) is arranged at the bottom, a water outlet (8) is arranged in the middle of the rear wall (503), a slag scraping machine (10) is erected at the top of the air floating box body (5), a shaftless spiral conveying blade (2) is arranged inside the bottom wall (504) of the air floating box body (5), one end of the shaftless spiral conveying blade (2) penetrates through the rear wall (503) to be connected with the driving speed reducer (7), the other end of the shaftless spiral conveying blade extends to the bottom sewage draining outlet (14), and the outside of the bottom sewage draining outlet (14) is connected with the electromagnetic valve (1).

2. The bottom deslagging system of an air flotation device as set forth in claim 1, wherein: the upper half parts of the two side walls (502) are vertical, the lower half parts symmetrically incline towards the inner side of the air floating box body (5), the lowest ends of the two symmetrical side walls (502) are connected with the bent bottom wall (504) after inclining to form a small bottom groove, and the size of the small groove can be just provided with the shaftless spiral conveying blade (2) inside and is in contact with the small bottom groove.

3. The bottom deslagging system of an air flotation device as set forth in claim 2, wherein: and a wear-resistant lining plate (3) is arranged on the inner side wall of the small groove.

4. The bottom deslagging system of an air flotation device as set forth in claim 1, wherein: and a sealing stuffing box (6) is arranged at the position where the shaftless spiral conveying blade (2) extends out of the wall of the air floating box body (5).

5. The bottom deslagging system of the air flotation device as set forth in any one of claims 1-4, wherein: and a mud discharging plate (11) matched with a scraper of the slag scraper (10) is arranged in the top sewage outlet (12).

6. The bottom deslagging system of an air flotation device as set forth in claim 1, wherein: an adjustable water outlet groove (9) is arranged at the water outlet (8).

7. The bottom deslagging system of an air flotation device as set forth in claim 1, wherein: the air flotation tank body (5) is fixed with a plurality of groups of tank body supporting legs (4) and is placed on the ground through the tank body supporting legs (4).

8. The bottom extraction system of an air flotation device as recited in claim 7, wherein: four groups of box body supporting legs (4) are provided.