CN210103505U - Oil stain waste water centralized treatment equipment - Google Patents

Abstract

The utility model discloses a centralized treatment equipment for oily waste water in the technical field of waste water treatment. The clapboard divides the interior of the wastewater treatment tank into two parts, the side of the wastewater treatment tank close to the clapboard is connected with a water inlet pipe, the side of the wastewater treatment tank away from the clapboard is connected with a drain pipe, and the water inlet pipe is connected to the side A sundries crushing device is provided, the utility model can fully mix oil stains and air bubbles through aeration and agitation, adding a demulsifier, and the action of the demulsifier makes the oil stains coagulate and float to the top of the liquid surface, which improves the separation speed of oil and water, thereby improving the The oil removal efficiency is facilitated by the setting of the oil scraping mechanism to scrape and absorb the floating oil, so as to avoid the oil pollution affecting the waste water discharge.

Description

A centralized treatment equipment for oily wastewater

technical field

The utility model relates to the technical field of wastewater treatment, in particular to a centralized treatment equipment for oily wastewater.

Background technique

Compared with the ordinary activated sludge method, the aeration filter has the advantages of high organic load, small footprint, no sludge bulking, high oxygen transmission efficiency, and good effluent quality. Strict, so the influent water needs to be pretreated;

For example, Chinese Patent Application No. CN201620007797.2 is an industrial wastewater treatment aeration filter, including a reaction tank, an aeration pipe, and a packing layer. It is characterized in that a water inlet tank is provided on one side of the upper part of the reaction tank. The lower part is provided with a water inlet pipe, the water inlet pipe is provided with a one-way valve, the upper part of the water inlet pipe is provided with a number of filter heads, the lower side of the water inlet pipe is provided with a backwash water inlet pipe, and the backwash water inlet pipe is provided with a one-way valve , the other side of the lower part of the water inlet pipe is provided with a backwash air inlet pipe, the backwash air inlet pipe is provided with a one-way valve, the upper part of the water inlet pipe is provided with an aeration pipe, and a number of diffusers are arranged on the aeration pipe, and the upper part of the aeration pipe is provided with A support layer is provided, a filler layer is provided on the upper part of the support layer, a supernatant liquid layer is provided on the upper part of the filler layer, and a water outlet tank is provided on one side of the supernatant liquid layer.

This kind of aeration tank is difficult to treat oily wastewater, and the treatment speed is slow. After a certain aeration pipe has a problem, it needs to be closed for maintenance, which affects the operation, and the oily pollution floating on the liquid surface is not easy to clean up. Based on this, The utility model designs a centralized treatment equipment for oily waste water to solve the above problems.

Utility model content

The purpose of this utility model is to provide a centralized treatment equipment for oily waste water, so as to solve the difficulty in processing oily waste water in the aeration tank proposed in the above background technology, the processing speed is relatively slow, and after a problem occurs in a certain aeration pipe, all the Shut down for maintenance, affecting the operation, and the problem of oil floating on the liquid surface is not convenient for cleaning.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a centralized treatment equipment for oily waste water, including a waste water treatment tank, a partition plate is arranged in the waste water treatment tank, and a filter screen is fixedly clamped on the top of the partition plate , the separator divides the interior of the wastewater treatment tank into two parts, the side of the wastewater treatment tank close to the separator is connected with a water inlet pipe, the side of the wastewater treatment tank away from the separator is connected with a drain pipe, the The water inlet pipe is provided with a debris crushing device, the drain pipe is provided with a drain valve, the bottom of the wastewater treatment tank is laid with aeration pipes, and aeration plates are evenly installed on the aeration pipes. An opening valve is provided on the lower side of one of the aeration plates, the aeration pipe extends to the outside of the wastewater treatment tank, the air pump is connected to the air inlet end of the aeration pipe, and the inner wall of the partition plate is fixedly installed with an air pump. An installation column, a rack slideway is connected between the installation column and one side wall of the waste water treatment tank, and an oil scraping mechanism is slidably installed on the rack slideway.

Preferably, the oil scraping mechanism includes a frame, the bottom of the frame is provided with a traveling gear, the traveling gear is meshed with the rack slide, a motor is installed on the frame, and the motor is connected to the rack. One group of traveling gears is connected by a pulley belt drive, oil push plates are arranged on both sides of the frame, and the lower ends of the oil push plates are arranged below the level of the waste water.

Preferably, the frame and the oil pusher are fixedly connected by connecting ribs.

Preferably, an oil suction cover is provided at the position of the installation column and the side wall of the waste water treatment tank corresponding to the oil push plate, and the oil suction cover is connected with a waste liquid recovery machine through an oil suction pipe.

Preferably, the debris crushing device includes a crushing box, a second motor is installed on the crushing box, the power output end of the second motor penetrates into the crushing box, and two sets of crushing knives are arranged in the crushing box. The rotating shaft of the crushing knife and the power output end of the second motor are meshed with the helical gear set.

Compared with the prior art, the beneficial effects of the present utility model are: the utility model can fully mix oil stains and air bubbles through aeration and agitation, adding a demulsifier, and the action of the demulsifier makes the oil stains coagulate and float to the top of the liquid surface, which improves the performance of the oil stains. The separation speed of oil and water improves the oil removal efficiency. The setting of the oil scraping mechanism facilitates the scraping and centralized suction treatment of the floating oil pollution, so as to avoid the oil pollution affecting the wastewater discharge. The debris crushing device shreds the larger debris that enters. handle to avoid clogging the pipes.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the structural representation of the utility model;

2 is a schematic structural diagram of the oil scraping mechanism of the present invention;

FIG. 3 is a schematic structural diagram of the debris crushing device of the present invention.

In the accompanying drawings, the list of components represented by each number is as follows:

1-Wastewater treatment tank, 2-Clapboard, 3-Filter screen, 4-Water inlet pipe, 5-Debris crushing device, 6-Installation column, 7-Rack slideway, 8-Oil scraping mechanism, 9-Oil suction cover , 10- oil suction pipe, 11- drain pipe, 12- drain valve, 13- air pump, 14- aeration pipe, 15- aeration plate, 16- opening valve, 17- connecting rib, 18- rack, 19- Motor 1, 20-travel gear, 21- oil push plate, 22- crushing box, 23- motor 2, 24- helical gear set, 25- crushing knife.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a centralized treatment equipment for oily waste water, including a waste water treatment tank 1, and a partition plate 2 is arranged in the waste water treatment tank 1, and the top of the partition plate 2 is fixed and clamped There is a filter screen 3, and the partition plate 2 divides the interior of the wastewater treatment tank 1 into two parts. The side of the wastewater treatment tank 1 close to the partition plate 2 is connected with a water inlet pipe 4, and the side of the wastewater treatment tank 1 away from the partition plate 2 is connected. A drain pipe 11 is connected, the water inlet pipe 4 is provided with a debris crushing device 5, the drain pipe 11 is provided with a drain valve 12, the bottom of the wastewater treatment tank 1 is laid with aeration pipes 14, and the aeration pipes 14 are evenly distributed. Aeration discs 15 are installed, and an opening valve 16 is provided on the lower side of each aeration disc 15. The aeration pipe 14 extends to the outside of the wastewater treatment tank 1, and the air pump 13 is connected to the air inlet end of the aeration pipe 14. A mounting post 6 is fixedly installed on the inner wall of the plate 2 , a rack slide 7 is connected between the mounting post 6 and the side wall of the wastewater treatment tank 1 , and an oil scraping mechanism 8 is slidably installed on the rack slide 7 .

Among them, the oil scraping mechanism 8 includes a frame 18, the bottom of the frame 18 is provided with a traveling gear 20, the traveling gear 20 is meshed with the rack slide 7, the frame 18 is installed with a motor one 19, and the motor one 19 and one of the The set of traveling gears 20 are connected by a pulley belt drive. Both sides of the frame 18 are provided with oil push plates 21 , and the lower ends of the oil push plates 21 are arranged below the level of waste water.

Wherein, the frame 18 is fixedly connected with the oil push plate 21 through the connecting rib plate 17 .

Wherein, an oil suction cover 9 is provided at the position of the installation column 6 and the side wall of the waste water treatment tank 1 corresponding to the oil push plate 21 . The oil suction cover 9 is connected to a waste liquid recovery machine through the oil suction pipe 10 .

Among them, the debris crushing device 5 includes a crushing box 22, a second motor 23 is installed on the crushing box 22, the power output end of the second motor 23 penetrates into the crushing box 22, and two sets of crushing knives 25 are arranged in the crushing box 22. The rotating shaft of 25 and the power output end of the second motor 23 are meshed with the helical gear set 24 .

A specific application of this embodiment is as follows: the waste water enters the waste water treatment tank 1 through the water inlet pipe 4, the motor 2 23 on the debris crushing device 5 is driven, and the two groups of crushing knives 25 are engaged with each other through the meshing of the two groups of crushing knives 25. Rotating, crushing and cutting the larger impurities in the waste water to avoid clogging the pipeline, the waste water enters one side of the separator 2, and through the filtering effect of the filter screen 3, the waste water is initially filtered to the other side of the separator 2, and the waste water is treated. The demulsifier is put in the tank 1, and the air pump 13 sprays the gas into the aeration pipe 14. After the demulsifier and the oil condense, it floats to the top of the liquid surface, and the aeration plate 15 generates tiny bubbles, which are distributed in the waste liquid. The oil dirt reaches the oil-water separation layer, which improves the separation speed of oil and water, thereby improving the oil removal efficiency. The oil pushing plate 21 pushes the floating oil dirt to the oil suction cover 9, the waste liquid recovery machine recovers and absorbs the oil dirt in the oil suction cover 9 through the oil suction pipe 10, so that the oil dirt is removed, and the drain valve 12 on the drain pipe 11 is opened to discharge the waste water. .

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. The utility model provides an oily waste water centralized treatment equipment, includes waste water treatment pond (1), its characterized in that: the sewage treatment device is characterized in that a partition plate (2) is arranged in the sewage treatment tank (1), a filter screen (3) is fixedly clamped at the top of the partition plate (2), the partition plate (2) divides the interior of the sewage treatment tank (1) into two parts, one side of the sewage treatment tank (1) close to the partition plate (2) is connected with a water inlet pipe (4), one side of the sewage treatment tank (1) far away from the partition plate (2) is connected with a water outlet pipe (11), a sundries crushing device (5) is arranged on the water inlet pipe (4), a drain valve (12) is arranged on the water outlet pipe (11), aeration pipes (14) are laid and installed at the bottom of the sewage treatment tank (1), aeration discs (15) are uniformly installed on the aeration pipes (14), an opening valve (16) is arranged at the lower side of each aeration disc (15), and the aeration pipes (14) extend to the exterior of the sewage treatment tank, the air inlet end of aeration pipe (14) is connected with air pump (13), the inner wall fixed mounting of baffle (2) has erection column (6), be connected with rack slide (7) between erection column (6) and wastewater treatment pond (1) a side pool wall, slidable mounting has frizing mechanism (8) on rack slide (7).

2. The centralized treatment equipment for oily wastewater according to claim 1, characterized in that: frizing mechanism (8) are including frame (18), the bottom of frame (18) is provided with walking gear (20), walking gear (20) mesh mutually with rack slide (7), install motor (19) on frame (18), motor (19) are connected through band pulley belt transmission with a set of walking gear (20) wherein, the both sides of frame (18) all are provided with oil pushing plate (21), oil pushing plate's (21) lower extreme setting is below the waste water liquid level.

3. The centralized treatment equipment for oily wastewater according to claim 2, characterized in that: the rack (18) is fixedly connected with the oil pushing plate (21) through a connecting rib plate (17).

4. The centralized treatment equipment for oily wastewater according to claim 2, characterized in that: an oil suction cover (9) is arranged on one side wall of the mounting column (6) and the wastewater treatment tank (1) corresponding to the position of the oil pushing plate (21), and the oil suction cover (9) is connected with a waste liquid recycling machine through an oil suction pipe (10).

5. The centralized treatment equipment for oily wastewater according to claim 1, characterized in that: debris breaker (5) are including broken case (22), install motor two (23) on broken case (22), the power take off end of motor two (23) runs through to broken case (22) in, be provided with two sets of broken sword (25) in broken case (22), the pivot department of broken sword (25) and the power take off end of motor two (23) mesh mutually through bevel gear group (24).

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