CN215440057U

CN215440057U - Horizontal flow type air-flotation scraper oil separation tank for sewage treatment

Info

Publication number: CN215440057U
Application number: CN202121967618.7U
Authority: CN
Inventors: 苗旭升; 魏鹏
Original assignee: Dalian Yize Water Environmental Technology Co ltd
Current assignee: Dalian Yize Water Environmental Technology Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-07
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a horizontal flow type air-flotation scraper oil interceptor for sewage treatment, which comprises a box body, wherein a plurality of groups of floating scrapers are arranged above the box body, a stirring chamber is fixed at the left side of the box body, a feed inlet is arranged at the top end of the stirring chamber, a filter plate for filtering solid garbage is fixed in the stirring chamber below the feed inlet, a dissolved air tank is arranged at the left side of the stirring chamber, the output end of the dissolved air tank is communicated with the stirring chamber, the utility model also comprises a heating pipe and a stirring component, the heating pipe is fixed at the bottom end of the filter plate, and the stirring component is arranged in the stirring chamber. And the sewage is gradually floated to the water surface to form scum, so that the separation speed of the sewage and the scum is accelerated.

Description

Horizontal flow type air-flotation scraper oil separation tank for sewage treatment

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to a horizontal flow type air floatation scraper oil separation tank for sewage treatment.

Background

The oil separation tank is a wastewater pretreatment structure for removing floatable oil substances in oily wastewater by utilizing the floating effect generated by the density difference between oil drops and water. The structure of the oil separation tank adopts a horizontal flow mode mostly, oily wastewater enters the oil separation tank with a rectangular plane through a water distribution tank, slowly flows along the horizontal direction, oil products float on the water surface in the flow, and the oil products are pushed into an oil collection pipe by an oil collection pipe or an oil scraper arranged on the surface of the tank to flow into a dehydration tank. Heavy oil and other impurities precipitated in the oil separation tank are accumulated in a sludge hopper at the bottom of the tank and enter a sludge pipe through a sludge discharge pipe. The wastewater after oil separation treatment overflows into a drainage channel and is discharged out of the pool, and subsequent treatment is carried out to remove emulsified oil and other pollutants.

Current oil interceptor is when using, and when the temperature was crossed lowly, the fluid in the sewage condensed easily on the filter, caused the filter to block up, led to sewage to be detained, influenced sewage discharge, and current oil interceptor is when using simultaneously, and the bubble is not fully mixed with sewage, and the dross of production is less, leads to sewage treatment's effect low, to this problem, provides a advection formula air supporting scraper blade oil interceptor for sewage treatment now.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a horizontal flow type air-flotation scraper oil separation tank for sewage treatment, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a horizontal flow type air floatation scraper oil separation tank for sewage treatment comprises a tank body, wherein a plurality of groups of floatation scrapers for scraping scum are arranged above the tank body, a stirring chamber is fixed on the left side of the tank body, a feed inlet is formed in the top end of the stirring chamber, a filter plate for filtering solid garbage is fixed in the stirring chamber below the feed inlet, a dissolved air tank is arranged on the left side of the stirring chamber, the output end of the dissolved air tank is communicated with the stirring chamber, and the horizontal flow type air floatation scraper oil separation tank also comprises a heating pipe and a stirring assembly;

the heating pipe is used for heating the filter plate and is fixed at the bottom end of the filter plate;

the stirring assembly is used for stirring sewage and bubbles, and the stirring assembly is located inside the stirring chamber.

As a further scheme of the utility model: the stirring subassembly is including the first motor that is located the teeter chamber bottom, the output of first motor is fixed with the pivot, the inner chamber that the teeter chamber is connected to the upper end of pivot is passed, the fixed surface of pivot has the stirring board that the multiunit is used for the stirring.

As a further scheme of the utility model: and a connecting channel is arranged at the upper end of the right side of the stirring chamber and is communicated with the box body.

As a further scheme of the utility model: the output of dissolving the gas pitcher is fixed with the connecting pipe, the connecting pipe is located the inside of teeter chamber, the surperficial equidistance of connecting pipe is equipped with the shower nozzle that the multiunit is convenient for dissolve gas water output.

As a further scheme of the utility model: the top left side of box is equipped with the second motor, the output of second motor is fixed with the action wheel, the action wheel is equipped with two sets ofly, and is two sets ofly the action wheel is located both sides around the left end of box respectively, both sides all are equipped with from the driving wheel around the right-hand member of box, and are two sets of from the driving wheel and two sets of all through bull stick fixed connection between the action wheel, adjacent two sets of action wheels and from being connected through the drive belt between the driving wheel, the superficial scraper blade equidistance is fixed in the surface of drive belt.

As a further scheme of the utility model: the right side of the box body is provided with a collecting chamber for collecting scum.

As a still further scheme of the utility model: the surface of stirring board evenly is equipped with the multiunit through-hole of being convenient for sewage flow.

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

the heating pipe is arranged, so that the filtering plate can be heated, the condition that the filtering plate is blocked because oil in sewage is easy to condense on the filtering plate when the temperature is too low is effectively avoided, the filtering speed and the filtering effect of the sewage are improved, and the filtering device is simple in structure and convenient to use.

The stirring component is arranged, the rotating shaft can be driven to rotate through the first motor, so that the stirring plate can be driven to rotate, the sewage and the dissolved air water in the stirring chamber are stirred through the rotation of the stirring plate, micro bubbles in the dissolved air water are fully combined with suspended matters in the sewage, the specific gravity of the suspended matters is smaller than that of the water, the suspended matters gradually float to the water surface to form floating slag, and the separation speed of the sewage and the floating slag is accelerated.

According to the floating scraper, the second motor can drive the two groups of driving wheels to rotate and drive the two groups of driven wheels to rotate under the action of the transmission belt, so that the floating scraper can be driven to rotate, scum in the box body can be scraped by the floating scraper and conveyed to the inside of the collection chamber for centralized collection, the scum cleaning speed is increased, and the floating scraper is convenient to use.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is a schematic structural view of a heating pipe according to the present invention.

Wherein: 1. a box body; 2. a stirring chamber; 3. a collection chamber; 4. a feed inlet; 5. a filter plate; 6. heating a tube; 7. a dissolved air tank; 8. a connecting channel; 9. a spray head; 10. a first motor; 11. a rotating shaft; 12. a stirring plate; 13. a second motor; 14. a driving wheel; 15. a driven wheel; 16. a transmission belt; 17. a floating scraper; 18. a rotating rod; 19. a through hole; 20. and (4) connecting the pipes.

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. 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 invention.

Example 1

Referring to fig. 1-3, in the embodiment of the present invention, an advection type air-flotation scraper oil interceptor for sewage treatment includes a box 1, a plurality of sets of floating scrapers 17 for scraping off floating slag are disposed above the box 1, the floating scrapers can scrape off floating slag inside the box 1, a stirring chamber 2 is fixed on the left side of the box 1, a feed port 4 is disposed at the top end of the stirring chamber 2, a filter plate 5 for filtering solid garbage is fixed below the feed port 4 inside the stirring chamber 2, impurities contained in sewage can be filtered out through the filter plate 5, a dissolved air tank 7 is disposed on the left side of the stirring chamber 2, an output end of the dissolved air tank 7 is communicated with the stirring chamber 2, so that dissolved air water inside the dissolved air tank 7 can enter the stirring chamber 2, and a heating pipe 6 and a stirring assembly are also included;

the heating pipe 6 is used for heating the filter plate 5, so that the situation that the filter plate 5 is blocked due to the fact that oil in sewage is easy to condense on the filter plate 5 when the temperature is too low is avoided, and the heating pipe 6 is fixed at the bottom end of the filter plate 5;

the stirring assembly is used for stirring sewage and bubbles, so that microbubbles in dissolved gas water are fully combined with suspended matters in the sewage, the specific gravity of the suspended matters is smaller than that of the water, the suspended matters float to the water surface gradually to form scum, the separation speed of the sewage and the scum is accelerated, and the stirring assembly is positioned inside the stirring chamber 2.

The stirring subassembly is including the first motor 10 that is located 2 bottoms of teeter chamber, the output of first motor 10 is fixed with pivot 11, the inner chamber that teeter chamber 2 is connected to teeter chamber 2 is passed to the upper end of pivot 11, the fixed surface of pivot 11 has the stirring board 12 that the multiunit is used for the stirring, and during the use, first motor 10 can drive pivot 11 and rotate to drive stirring board 12 and rotate, come to stir 2 inside sewage of teeter chamber and dissolved air water through the rotation of stirring board 12, make the suspended solid fully combined of microbubble in the dissolved air water with sewage, make the suspended solid proportion be less than water, and float gradually to the surface of water and form the dross.

The upper end of the right side of the stirring chamber 2 is provided with a connecting channel 8, and the connecting channel 8 is communicated with the box body 1, so that scum can conveniently flow into the box body 1 through the connecting channel 8.

The output that dissolves gas pitcher 7 is fixed with connecting pipe 20, connecting pipe 20 is located the inside of teeter chamber 2, the surperficial equidistance of connecting pipe 20 is equipped with the shower nozzle 9 that the multiunit is convenient for dissolve gas water output, and the setting of multiunit shower nozzle 9 for dissolve the blowout that gas water can be even, thereby further increased the mixed effect of dissolving gas water and sewage.

A second motor 13 is arranged on the left side of the top end of the box body 1, a driving wheel 14 is fixed at the output end of the second motor 13, two groups of driving wheels 14 are arranged, the two groups of driving wheels 14 are respectively positioned at the front side and the rear side of the left end of the box body 1, driven wheels 15 are arranged on the front side and the rear side of the right end of the box body 1, two groups of driven wheels 15 are fixedly connected with two groups of driving wheels 14 through rotating rods 18, two adjacent groups of driving wheels 14 are connected with the driven wheels 15 through transmission belts 16, the floating scrapers 17 are fixed on the surface of the transmission belt 16 at equal intervals, when in use, the second motor 13 can drive the two groups of driving wheels 14 to rotate and drive the two groups of driven wheels 15 to rotate under the action of the transmission belt 16, thereby can drive floating scraper 17 and rotate for floating scraper 17 can strike off the dross of box 1 inside, has accelerated the clearance speed of dross, convenient to use.

The right side of box 1 is equipped with the collection room 3 that is used for carrying out the collection to the dross, and collection room 3 can concentrate the collection to the dross, is convenient for follow-up handle the dross.

Example 2

Referring to fig. 1-3, the difference from embodiment 1 is: the surface of stirring board 12 evenly is equipped with the multiunit through-hole 19 that is convenient for sewage to flow, and through-hole 19 can increase sewage and stirring board 12's area of contact, has further increased the stirring effect.

The working principle of the utility model is as follows:

when the utility model is used, firstly, sewage is conveyed to the interior of the stirring chamber 2 through the feed inlet 4, impurities contained in the sewage can be filtered out through the filter plate 5, the surface of the filter plate 5 can be heated through the heating pipe 6, the condition that the filter plate 5 is blocked because oil in the sewage is easy to condense on the filter plate 5 when the temperature is too low is avoided, the first motor 10 can drive the rotating shaft 11 to rotate by starting the first motor 10, so as to drive the stirring plate 12 to rotate, the sewage and dissolved air water in the stirring chamber 2 are stirred through the rotation of the stirring plate 12, micro bubbles in the dissolved air water are fully combined with suspended matters in the sewage, the specific gravity of the suspended matters is smaller than that of the water and gradually floats to form floating slag, the floating slag flows into the interior of the box body 1 through the connecting passage 8, and the second motor 13 can drive the two groups of driving wheels 14 to rotate by starting the second motor 13, and drive two sets of follow driving wheel 15 rotations under the effect of drive belt 16 to can drive floating scraper 17 and rotate, make floating scraper 17 can strike off the dross of box 1 inside, and carry to collect to the inside of collecting chamber 3 and concentrate, accelerate the clearance speed of dross, convenient to use.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

Claims

1. The advection type air flotation scraper oil interceptor for sewage treatment comprises a box body (1), wherein a plurality of groups of floating scrapers (17) used for scraping scum are arranged above the box body (1), a stirring chamber (2) is fixed on the left side of the box body (1), a feed inlet (4) is arranged at the top end of the stirring chamber (2), a filter plate (5) used for filtering solid garbage is fixed below the feed inlet (4) in the stirring chamber (2), a dissolved air tank (7) is arranged on the left side of the stirring chamber (2), and the output end of the dissolved air tank (7) is communicated with the stirring chamber (2), and the advection type air flotation scraper oil interceptor is characterized by further comprising a heating pipe (6) and a stirring assembly;

the heating pipe (6) is used for heating the filter plate (5), and the heating pipe (6) is fixed at the bottom end of the filter plate (5);

the stirring assembly is used for stirring sewage and bubbles, and is positioned in the stirring chamber (2).

2. The advection type air-flotation scraper oil interceptor for sewage treatment as claimed in claim 1, wherein the stirring assembly comprises a first motor (10) located at the bottom end of the stirring chamber (2), the output end of the first motor (10) is fixed with a rotating shaft (11), the upper end of the rotating shaft (11) passes through the stirring chamber (2) and is connected with the inner cavity of the stirring chamber (2), and the surface of the rotating shaft (11) is fixed with a plurality of groups of stirring plates (12) for stirring.

3. The advection type air-flotation scraper oil interceptor for sewage treatment as claimed in claim 1, wherein the right upper end of the stirring chamber (2) is provided with a connecting channel (8), and the connecting channel (8) is communicated with the box body (1).

4. The advection type air-flotation scraper oil interceptor for sewage treatment as claimed in claim 1, wherein the output end of the dissolved air tank (7) is fixed with a connecting pipe (20), the connecting pipe (20) is located inside the stirring chamber (2), and a plurality of groups of nozzles (9) convenient for the output of dissolved air water are arranged on the surface of the connecting pipe (20) at equal intervals.

5. The advection type air flotation scraper oil interceptor for sewage treatment as claimed in claim 1, wherein the top left side of box (1) is equipped with second motor (13), the output of second motor (13) is fixed with action wheel (14), action wheel (14) are equipped with two sets, two sets of action wheel (14) are located the left end front and back both sides of box (1) respectively, both sides all are equipped with from driving wheel (15) around the right-hand member of box (1), two sets of from driving wheel (15) and two sets of all through bull stick (18) fixed connection between action wheel (14), adjacent two sets of action wheel (14) and follow and be connected through drive belt (16) between driving wheel (15), superficial scraper (17) equidistance is fixed in the surface of drive belt (16).

6. The advection type air-float scraper oil interceptor for sewage treatment as claimed in claim 1, wherein the right side of the box body (1) is provided with a collecting chamber (3) for collecting scum.

7. The advection type air-flotation scraper oil interceptor for sewage treatment as claimed in claim 2, wherein the surface of the stirring plate (12) is uniformly provided with a plurality of groups of through holes (19) for facilitating the flow of sewage.