CN115196770A

CN115196770A - Sewage pretreatment equipment

Info

Publication number: CN115196770A
Application number: CN202210830593.9A
Authority: CN
Inventors: 杨燕燕
Original assignee: Huzhou Meilin Environmental Protection Equipment Co ltd
Current assignee: Huzhou Meilin Environmental Protection Equipment Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-10-18
Anticipated expiration: 2042-07-15
Also published as: CN115196770B

Abstract

The utility model provides a sewage pretreatment device, belongs to sewage treatment technical field, including the box, sets up the water pipe group that intakes in the anterior top of box to and set up the play water pipe group in box rear portion below, install buffer gear on the box of water pipe group below, buffer gear includes that the cross-section is the buffer board of ladle shape about one, the spoon position of buffer board is in water pipe group below, the stalk portion of buffer board extends to the box rear portion. The technical proposal does not need precipitation, directly removes a large amount of sand grains with larger inorganic ratio to weight ratio, and saves aeration equipment and froth removing equipment.

Description

Sewage pretreatment equipment

Technical Field

The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage pretreatment device.

Background

MBR sewage treatment is a common mode of modern sewage treatment, and adopts a Membrane Bioreactor (MBR) technology, which is a new technology combining a biological treatment technology and a membrane separation technology, replaces a secondary sedimentation tank in the traditional process, can carry out solid-liquid separation efficiently to obtain stable reclaimed water which is directly used, can maintain high-concentration microbial biomass in a biological tank, has less process residual sludge, extremely effectively removes ammonia nitrogen, has effluent suspended matters and turbidity close to zero, greatly removes bacteria and viruses in the effluent, has low energy consumption and small floor area.

The existing sewage pretreatment mostly comprises a sedimentation tank, grease in raw water floats on the surface through an oil separation sedimentation tank, meanwhile, a large amount of sand grains with larger inorganic analog weight ratio are precipitated at the bottom of the oil separation sedimentation tank, and finally, suspended matters in the raw water are collected on the surface of air floatation by utilizing the principle of air floatation equipment to form sludge discharge.

When the air floatation equipment works, the odor in the raw water can be discharged along with aeration, and the surrounding environment has foul odor and noise. Moreover, a layer of froth appears on the surface of the original water during aeration, and the froth needs to be removed by related equipment.

Disclosure of Invention

The invention aims to solve the existing problems and provides a sewage pretreatment device which can directly remove a large amount of sand grains with a large inorganic ratio and a large weight ratio without precipitation and save an aeration device and a scum removal device.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a sewage pretreatment equipment, includes the box, sets up the water pipe group that intakes in the anterior top of box to and set up the play water pipe group in box rear portion below, install buffer gear on the box of water pipe group below, buffer gear includes that the cross-section is the buffer board of ladle shape about one, the spoon position of buffer board is in water pipe group below, the stalk portion of buffer board extends to the box rear portion.

In an implementation mode, the buffer mechanism further comprises a fixing piece and a hanging piece, wherein the fixing piece comprises groove bodies arranged on the left side surface and the right side surface of the box body, and elastic pieces arranged in the groove bodies;

the hanging piece comprises a transverse rod which is arranged on the left and right and fixed by two groove bodies, and two ends of the transverse rod are contacted with the elastic piece; the cross rod is provided with a suspension line connected with the buffer plate.

In an implementation mode, two ends of the cross rod are spherical, and the elastic piece is a circular spring; the spherical end of the cross bar is clamped in the circular spring.

In can embodiment, the slope is provided with suspended solid scraping plate mechanism around in the box, and suspended solid scraping plate mechanism's first end is located inlet pipe group below and is located the anterior bottom surface of box, and suspended solid scraping plate mechanism's second end is located the box rear portion upper portion of keeping away from inlet pipe group.

In an embodiment, the first end has driven shafts clamped on the left and right sides of the front part of the box body, the second end has driving shafts clamped on the left and right sides of the rear part of the box body, the driven shafts and the driving shafts are covered with grid pieces, and the grid pieces are provided with bent hook pieces facing to the rotating direction.

In an embodiment, a scraper is arranged on the side of the front part of the box body close to the first end, and the free end of the scraper is tightly attached to the net separator or the hook piece.

In an embodiment, the second end is tightly attached with a leading-out piece, and the leading-out piece is arranged above the side surface of the rear part of the box body.

In an embodiment, the outlet communicates with a soil storage chamber provided outside the rear end of the tank.

In an implementation mode, a sand filter which is arranged at an angle of 45 degrees is arranged between the suspended matter scraper mechanism and the water outlet pipe group, and the sand filter sequentially comprises a cobblestone layer, a smokeless coal layer and a quartz sand layer from front to back.

In an implementation mode, the water inlet pipe group is provided with at least three water inlet pipes, and each water inlet pipe is provided with a ball valve; the water outlet pipe group is provided with at least one water outlet pipe, and each water outlet pipe is provided with a butterfly valve.

Compared with the prior art, the invention has the following beneficial effects: the buffer mechanism can effectively filter a large amount of inorganic sand-like substances with larger analog-to-weight ratio, and the buffer mechanism can be manually operated, and the operator can regularly replace the buffer mechanism to discharge a large amount of inorganic sand-like substances with larger analog-to-weight ratio. The setting of elastic component is the offal of buffering inlet tube, prevents to lead to the damage of too big impact force lead to the buffer board with the buffer board, can also play the effect of an instruction, when spring compression range is great, plays suggestion operating personnel and changes buffer gear. The buffer plate in the shape of the spoon can enable a large amount of inorganic sand-like substances with larger analog-to-weight ratio to be positioned at the spoon part, and sewage can slowly seep out from the handle part and can not be directly discharged into the box body to disturb flocs below and disperse the flocs fixed by the hook piece.

The suspended matter scraper mechanism can effectively remove residual flocculate in the tank body and can ensure that no floating foam is generated. The scraper and the leading-out piece can clean the net separator and the hook piece, and ensure that all flocculates enter the dirt storage chamber.

The whole structure is simple, and the problems of stink and floating foam which are difficult to solve in the prior art during ground aeration are solved.

Drawings

1, 2, 3, 4, 5, 6, 7, 8, 21, 22, 41, 42, 43, 51, 52, 53, 421, 422, 431, 432, 511, 512, 513, 514, curved parts;

FIG. 1 is a side cross-sectional view of the present embodiment;

FIG. 2 is a top view of the present embodiment;

FIG. 3 is an enlarged schematic view at A in FIG. 1;

FIG. 4 is an enlarged schematic view at B of FIG. 1;

FIG. 5 is a side view of a cushioning mechanism;

FIG. 6 is a schematic front view of a cushioning mechanism;

Detailed Description

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

The specific embodiment is a sewage pretreatment device, comprising a box body 1, a water inlet pipe group 2 arranged above the front part of the box body 1, and a water outlet pipe group 3 arranged below the rear part of the box body 1, wherein the water inlet pipe group 2 is provided with three water inlet pipes, each water inlet pipe is provided with a ball valve 21, and each water inlet pipe can work independently or cooperatively or even simultaneously; the outlet pipe set 3 is provided with an outlet pipe, and each outlet pipe is provided with a butterfly valve 22. A buffer mechanism 4 is arranged on the box body 1 below the water inlet pipe group 2.

The buffer mechanism 4 comprises a buffer plate 41 with a spoon-shaped left and right section, the spoon part of the buffer plate 41 is positioned below the water inlet pipe group 2, and the handle part of the buffer plate 41 extends towards the rear part of the box body 1. The box body 1 further comprises a fixing piece 42 and a hanging piece 43, wherein the fixing piece 42 comprises groove bodies 421 arranged on the left side surface and the right side surface of the box body 1, and elastic pieces 422 arranged in the groove bodies 421. The hanging piece 43 comprises a cross bar 431 fixed by two grooves 421 arranged at the left and the right, and two ends of the cross bar 431 are contacted with the elastic piece 422; the cross bar 431 is provided with a hanging line 432 connected with the buffer plate 41. The two ends of the cross rod 431 are spherical, and the elastic piece 422 is a circular spring; the spherical end of the cross bar 431 is snapped into the circular spring.

The upper end of the groove body 421 is communicated with the outside, and the spherical end part goes in and out from the upper end of the groove body 421. When the water inlet pipe group 2 starts to work and a great amount of inorganic substances with a larger ratio of weight to sand substances are accumulated on the buffer plate 41, an operator can find by eyes that the circular spring is compressed to make a decision that the buffer plate 41 needs to be replaced. Acting on the cross bar 431 by means of the catching mechanism and then lifting the cross bar 431, the suspension wires 432 and the buffer plate 41 off the cabinet 1.

This application adopts the buffer board 41 of ladle shape, set up the diameter in 1 cm's hole in the spoon portion, intercept the great sand grain class material of the inorganic analog-to-weight ratio of volume, the diameter is seted up at 5 cm's hole to the stalk portion, can be with in the quick infiltration box 1 of sewage, and intake pipe group 2 can make buffer board 41 vibrate in elastic component 422's effect when launching, the sewage production wave can effectively be alleviated in the hole of stalk portion, thereby reduce the production of floating the foam. In this embodiment, the specific dimensions of the hole of the scoop portion and the handle are merely one example for better illustration of the diameter of the hole of the scoop portion being smaller than the diameter of the hole of the handle.

The suspension scraping mechanism 5 is obliquely arranged in the box body 1 from front to back, the first end 51 of the suspension scraping mechanism 5 is positioned below the water inlet pipe group 2 and on the front bottom surface of the box body 1, and the second end 52 of the suspension scraping mechanism 5 is positioned on the upper portion of the rear part of the box body 1 far away from the water inlet pipe group 2. The first end 51 has a driven shaft 511 engaged with both left and right sides of the front of the cabinet 1, the second end 52 has a driving shaft 512 engaged with both left and right sides of the rear of the cabinet 1, the driven shaft 511 and the driving shaft 512 are covered with a mesh member 513, and the mesh member 513 has a hook member 514 facing a rotation direction. A scraper 6 is provided on the side of the front of the tank 1 near the first end 51, the free end of the scraper 6 abutting against the net partition 513 or the hook 514.

In this embodiment, the driving shaft 512 is connected to a motor located outside the housing 1 and rotates clockwise, and the mesh member 513 rotates from the bottom of the first end 51 to the top of the second end 52 under the driving of the driving shaft 512. In order to prevent the generation of froth due to the excessively high speed, the motor of this embodiment rotates at a relatively low speed, and the low speed rotation effectively fixes the flocs on the hook member 514 without separating from the hook member 514 again. The flight 6 effectively prevents flocs from wrapping around the first end 51 and blocking the sediment.

In this embodiment, the second end 52 is closely attached with the lead 53, and the lead 53 is disposed above the rear side of the case 1. The lead-out member 53 communicates with a soil storage chamber 7 provided outside the rear end of the tank 1. The exit members 53 are effective to clear floe from the hook members 514 and to provide more clearance for floe to enter the waste storage chamber 7.

In this embodiment, a sand filter 8 arranged obliquely at 45 ° is provided between the suspended matter scraper mechanism 5 and the water outlet pipe group 3, and the sand filter 8 is a cobblestone layer, an anthracite layer, and a quartz sand layer in sequence from front to back. The sewage from which the flocculated material is removed passes through a sand filter 8 and then flows out of the water outlet pipe group 3.

The conception, the specific structure and the technical effects of the present invention will be clearly and completely described above in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions.

The above embodiments are described in detail for the purpose of further illustrating the present invention and should not be construed as limiting the scope of the present invention, and the skilled engineer can make insubstantial modifications and variations of the present invention based on the above disclosure.

Claims

1. The utility model provides a sewage pretreatment equipment, includes box (1), sets up the water pipe group (2) of intaking of box (1) front portion top, and set up and be in play water pipe group (3) of box (1) rear portion below, a serial communication port, the water pipe group (2) below of intaking install buffer gear (4) on box (1), buffer gear (4) are buffer board (41) that the cross-section is the ladle shape about including one, the spoon portion of buffer board (41) is located intake pipe group (2) below, the stalk portion of buffer board (41) to box (1) rear portion extends.

2. The sewage pretreatment apparatus according to claim 1, wherein said buffer mechanism (4) further comprises a fixing member (42) and a hanging member (43), said fixing member (42) comprises a slot body (421) disposed on both left and right sides of said tank body (1), an elastic member (422) disposed in said slot body (421);

the hanging piece (43) comprises a cross rod (431) which is arranged at the left and the right and fixed by two grooves (421), and two ends of the cross rod (431) are contacted with the elastic piece (422); the cross rod (431) is provided with a suspension line (432) which is connected with the buffer plate (41).

3. A sewage pretreatment apparatus as claimed in claim 2, wherein both ends of the cross bar (431) are spherical, and the elastic member (422) is a circular spring; the spherical end of the cross bar (431) is clamped in the circular spring.

4. A sewage treatment plant according to claim 1 or 2 or 3, characterized in that a suspension scraper mechanism (5) is provided in the tank (1) in a back-and-forth inclined manner, a first end (51) of the suspension scraper mechanism (5) being located below the water inlet pipe set (2) and on the bottom surface of the front part of the tank (1), and a second end (52) of the suspension scraper mechanism (5) being located at the upper part of the rear part of the tank (1) remote from the water inlet pipe set (2).

5. A sewage pretreatment apparatus according to claim 4, wherein the first end (51) has a driven shaft (511) engaged with both left and right sides of a front portion of the tank (1), the second end (52) has a driving shaft (512) engaged with both left and right sides of a rear portion of the tank (1), the driven shaft (511) and the driving shaft (512) are covered with a mesh member (513), and the mesh member (513) has a hook member (514) facing a rotation direction.

6. A sewage pretreatment apparatus according to claim 5, characterized in that a scraper (6) is provided on the front side of the tank (1) near the first end (51), and the free end of the scraper (6) abuts against the net spacer (513) or the hook member (514).

7. A sewage pretreatment apparatus according to claim 6, characterized in that the second end (52) is closely fitted with an outlet member (53), and the outlet member (53) is provided above the rear side of the tank (1).

8. A sewage pretreatment apparatus according to claim 7, characterized in that said lead-out member (53) communicates with a sewage storage chamber (7) provided outside the rear end of said tank (1).

9. A sewage pretreatment device according to claim 4, characterized in that a sand filter (8) is arranged between the suspension scraper mechanism (5) and the water outlet pipe group (3) and is inclined at 45 degrees, and the sand filter (8) sequentially comprises a cobblestone layer, a anthracite layer and a quartz sand layer from front to back.

10. A sewage pretreatment apparatus according to claim 1, characterized in that said inlet pipe group (2) has at least three inlet pipes, each of said inlet pipes having a ball valve (21); the water outlet pipe group (3) is provided with at least one water outlet pipe, and each water outlet pipe is provided with a butterfly valve (22).