CN206511951U - A kind of effluent treatment plant - Google Patents

Abstract

The utility model relates to a sewage purification device, which comprises a filter element, an aeration element, a reciprocating element, a rotating cleaning element, a sewage suction element, a feeding element, an inlet and drainage element, a sludge collection and filter element, and a power control element. components. The method is to drive the powdered activated carbon slurry in the dosing tank into the main body of the equipment through the dosing pump, fully mix with the sewage in the main body of the equipment through aeration, and start the water outlet pump to make the water in the main equipment circulate internally first, then externally, and use the filter membrane The element realizes the separation of carbon and water; after the activated carbon is adsorbed and saturated, turn off the outlet pump, and use the water body aeration to assist the reciprocating element to drive the rotating cleaning element to clean the activated carbon and dirt attached to the filter membrane column, so as to realize the cleaning of the filter membrane column; The component quickly pumps the activated carbon slurry and sewage in the main body of the equipment into the sludge collection tank and the filter press element for dehydration, centralized storage and drying before activation.

Description

A sewage purification device

technical field

The utility model belongs to the technical field of environmental protection and relates to an activated carbon water treatment device and method.

Background technique

Activated carbon is also called activated carbon black. It is black powder or massive, granular, honeycomb amorphous carbon, and there are also regular crystalline carbons.

Activated carbon can be divided into two types: granular and powdered according to its size. Powdered activated carbon is superior to granular activated carbon in terms of production cost and adsorption capacity.

Activated carbon is a hydrophobic adsorbent prepared by high-temperature carbonization and activation from carbon-containing substances as raw materials. Activated carbon contains a large number of micropores and has a huge surface area, which can effectively remove color and odor, and can remove most organic pollutants and some inorganic substances in the secondary effluent, including some toxic heavy metals. Activated carbon can effectively adsorb chlorinated hydrocarbons, organophosphorus and carbamate pesticides, and can also adsorb phenyl ether, n-nitrochlorobenzene, naphthalene, ethylene, xylenol, phenol, DDT, aldrin, alkylbenzene Sulfonic acid and many esters and aromatic compounds, so activated carbon is widely used in the advanced treatment of urban sewage, industrial wastewater and purification of polluted water sources.

The current activated carbon water treatment devices mostly use high-pressure water pumps to recoil or flush brushes or use high-pressure aeration to remove activated carbon and dirt attached to the filter membrane column. These methods have high energy consumption or insufficient dead ends; in addition, they are equipped in carbon slurry It is not efficient in cleaning and suctioning dirt.

In view of the above problems, it is necessary to improve the existing device in order to achieve the purpose of high efficiency, low energy consumption, high quality water, and high activated carbon recovery.

Utility model patent content

The purpose of this utility model patent is to solve the deficiencies in the background technology and optimize the design of an activated carbon water treatment equipment and method, aiming to achieve the purpose of high efficiency, low energy consumption, high-quality water output, and high activated carbon recovery.

In order to achieve the above purpose, the utility model relates to an activated carbon water treatment device and method. Through the device and method of the utility model, the purposes of high efficiency, low energy consumption, high-quality effluent, and high activated carbon recovery can be achieved.

On the one hand, the utility model provides a kind of device, and this device comprises an accommodating cavity, comprises filter membrane element in this cavity, and is used for accommodating the space of adsorption medium, wherein, the outer surface of this filter membrane element and described The space for containing the adsorption medium is in fluid contact, wherein the hollow part of the filter membrane is in fluid communication with the water outlet channel.

In some preferred modes, the device further includes an element for cleaning the filter membrane, and the filter membrane on the filter membrane element is automatically cleaned by the cleaning element. Preferably, the cleaning element includes a rotating motor (2-2) and a brush (10). The rotating motor (2-2) is arranged on the moving frame (1), and the rotating motor (2-2) drives the brush (10) to rotate to clean the filter element (7), especially , cleaning the filter membrane on the filter membrane element, in particular, cleaning the outer surface of the filter membrane. Further, the brush (10) is driven by the rotating motor (2-2) by chain transmission, gear transmission or belt transmission. Further, the filter membrane column (the filter membrane element includes the filter membrane column) (7) is arranged in a purification container (accommodating cavity 15), and the wall of the purification container is provided with two guide rails (6) arranged in parallel , the moving frame (1) is slidingly fitted on the guide rail (6). Further, the sliding of the moving frame (1) is driven by a moving motor (2-1). Further, two sets of traveling wheels (4) matched with the two guide rails (6) are installed on the moving frame (1), and the two sets of traveling wheels (4) are connected by drive shafts (3) , the drive shaft (3) is connected to the motor shaft of the moving motor (2-1). Further, the motor shaft of the mobile motor (2-1) is connected to one end of the moving frame (1) along the sliding direction by the first steel wire rope, and the other end is connected to the motor shaft of a reverse motor by the second steel wire rope. The first steel wire rope and the second steel wire rope are provided with a first fixed pulley and a second fixed pulley. Further, the moving frame (1) is divided into left and right ends along its sliding direction, the left end is connected with a third steel wire rope, and the third steel wire rope is connected with the moving motor (2- 1) the inner section of the motor shaft is connected, and the third steel wire rope makes the mobile frame (1) slide forward on the guide rail (6) through the action of the third fixed pulley; the right end of the mobile frame (1) is connected with the fourth steel wire rope, The fourth steel wire rope is connected with the outer section of the motor shaft of the mobile motor (2-1) through the fifth fixed pulley and the sixth fixed pulley, and the fourth steel wire rope makes the mobile frame (1) reversely slide through the effect of the fifth fixed pulley on the guide rail (6). Further, a maintenance platform (5) is also provided on the mobile frame (1). Further, the maintenance platform (5) can be folded and recovered onto the mobile frame (1).

Preferably, the filter membrane element includes a membrane component, a fixing frame, a concentration pipe, and a fixing frame. Through the filter element, the treated sewage is further filtered. Preferably, one end or one side of the filter membrane element is in contact with the sewage in the container, and the other side or the other end is in fluid communication with the drainage element, so that the filtered water is discharged outside the container 15 through the drainage element.

In some preferred manners, the device may also include an aeration element, through which the sewage in the cavity is fully mixed. Preferably, the aeration element may include an air compressor, an air delivery pipe, and an aeration pipe (9). Preferably, the aeration element is used to fully mix the sewage in the cavity with the adsorption medium. Preferably, the adsorption medium is an activated carbon adsorption medium, of course, it can also be other media that play an adsorption role, such as other media with adsorption functions.

In some preferred modes, the device may also include a reciprocating walking element, which may include: a guide rail, a moving frame, a reciprocating moving motor, a traveling wheel, a steel wire rope, a fixed pulley and a maintenance platform. As an optimization: the reciprocating motor is a geared motor; the motor moves the mobile frame through a shaft drive.

In some preferred manners, the device may also include a dirt-absorbing element, which is used to absorb the sludge in the chamber of the device, the activated carbon after adsorption, or the mixture of activated carbon and sludge. Optimally, the sewage suction element includes a sewage suction pump, a sewage suction pipe, and a sewage suction plate. As an optimization: the sewage suction pump uses a high-throughput spiral cutting pump and an annular jet pump; the sewage suction plate is made of plastic products, and the sewage suction plate is assembled with pulleys.

In some preferred modes, the device may also include a feeding element, through which the adsorption medium is automatically added to the accommodating cavity. Preferably, the feeding element includes a storage tank, a feeding motor, and an auger conveyor. As an optimization: the feeding motor is an adjustable speed motor.

In some preferred modes, the device further includes a water inlet element and a drain element, wherein the water to be treated and purified is injected into the accommodating cavity through the water inlet element, and the treated water is discharged out of the container through the drain element. Wherein, the drainage element is in fluid communication with the filter membrane element.

In some preferred manners, the power control components include a power supply and a control box. In some preferred modes, the circuit in the control box adopts manual/automatic control mode to meet the needs of different working conditions. An emergency stop switch is added to the circuit to enhance safety performance.

In some preferred modes, it is characterized in that: filter membrane elements, aeration elements, reciprocating elements, rotary cleaners

The washing element and the dirt suction element are integrated in the device.

On the other hand, the utility model provides an automatic integrated sewage treatment method, which includes:

Drive the adsorption medium (such as powdered activated carbon slurry) in the dosing tank into the housing chamber of the device through the dosing pump, and fully mix with the sewage in the housing chamber through aeration;

Let the sewage adsorbed by activated carbon pass through the membrane element for filtration;

The water filtered by the filter membrane element is discharged out of the holding cavity.

In some preferred modes, when the adsorption medium is saturated, the aeration of the water body is used to assist the back-and-forth walking element to drive the rotating cleaning element to clean the activated carbon and dirt attached to the filter membrane column, so as to realize the cleaning of the filter membrane column.

In some preferred modes, the activated carbon slurry and the sewage in the main body of the equipment are quickly pumped into the sludge collection and filter press element for dehydration by using the sewage suction element, and then activated after centralized storage and drying.

In some preferred manners, after the sewage is injected through the water inlet element, the sewage is allowed to circulate inside the containing cavity for several times, so as to fully contact with the adsorption medium and thus fully adsorb. Preferably, after the sewage is fully absorbed, the water inlet element is closed, the water outlet element is opened, and the sewage is filtered through the filter membrane element and then discharged out of the holding chamber, thereby completing the primary cycle treatment of the sewage.

In some preferred modes, after multiple cycles of treatment, the filter membrane is automatically cleaned, wherein the cleaning method is completed by using the cleaning element of the present utility model, and the filter membrane on the filter membrane element is cleaned by the cleaning element. Automatic cleaning.

Beneficial effect

An activated carbon water treatment device and method adopted in the utility model has the functions of quickly removing stickies on the filter membrane column, high-efficiency sewage suction, high-quality water discharge, and separation and recovery of activated carbon. The walking element has a folding maintenance platform, so maintenance Construction is convenient.

Description of drawings

Fig. 1 is a structural cross-sectional view of a device for cleaning a filter membrane column with a rotating brush in a specific embodiment.

Fig. 2 is a schematic diagram of the technological process of the integrated device in a specific embodiment of the utility model.

Description of drawings: 1 moving plate 2-1 moving motor (reciprocating) 2-2, rotating motor (positive and negative) 2-3 sewage suction motor 3, drive shaft 4 walking wheel 5, folding maintenance platform 6, guide rail 7, filter membrane Column 8, outlet pipe 9, aeration pipe 10, hair brush 11, support 12, sewage suction pipe 13, sewage suction plate 14, sewage suction plate cover moving pulley, 15 accommodating spaces.

detailed description

Below in conjunction with accompanying drawing, the utility model embodiment is described in detail.

Embodiment: As shown in Fig. 1 and Fig. 2, the technical solution is further described below in conjunction with reference to the accompanying drawings, examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or Elements with the same or similar functions, but this description is only used to explain the utility model, and should not be construed as a limitation of the utility model.

The device of the utility model comprises a filter element, an aeration element, a reciprocating element, a rotary cleaning element, a sewage suction element, a feeding element, an inlet and drainage element, a sludge collection and filter element, and a power control element, wherein the filter element , The aeration pipe of the aeration element, the reciprocating walking element, the rotating cleaning element, and the sewage suction element are integrated in the main body of the equipment. The method is: inject the powdered activated carbon slurry in the dosing tank into the main body of the equipment through the dosing pump, fully mix with the sewage in the main body of the equipment through aeration, start the water outlet pump, and make the water in the main equipment circulate internally first, then externally, and use the filter to The membrane element realizes the separation of carbon and water; after the activated carbon is adsorbed and saturated, the outlet pump is turned off, and the water body aeration is used to assist the back-and-forth walking element to drive the rotating cleaning element to clean the activated carbon and dirt attached to the filter membrane column, so as to realize the cleaning of the filter membrane column; The sewage suction element quickly pumps the activated carbon slurry and sewage in the main body of the equipment into the sludge collection and filter press element for dehydration, centralized storage and drying before activation. The device of the utility model has a compact structure, and has the functions of quickly removing stickies on the filter membrane column, highly efficient sewage suction, high-quality water discharge, and separation and recovery of activated carbon. The walking element is equipped with a folding maintenance platform, which is convenient for maintenance and construction.

Please see Fig. 1, Fig. 2, the technical scheme that the method of the present invention adopts is: a kind of activated carbon water treatment equipment and method, comprise the following steps:

Step 1: Fill the main body of the equipment with sewage through the water inlet pump to the working water level (30 tons), and at the same time turn on the drug pump to transfer the carbon slurry in the activated carbon medicine storage tank into the main body of the equipment, powdered activated carbon 100kg.

Step 2: Start the fan to aerate for 10 minutes, so that the powdered activated carbon and sewage are fully mixed evenly.

Step 3: Turn on the water outlet circulation pump to circulate the water in the main body of the equipment. After the water reaches the standard through the observation mirror, turn on the outer circulation to drain the clean water, and close the inner circulation at the same time. In the process of water circulation, the separation of carbon and water is realized through the filter membrane column.

Step 4: After the activated carbon powder is adsorbed and saturated, turn off the water circulation pump, turn on the moving motor (reciprocating) (2-1) of the main equipment to drive the moving plate (1) to move, and turn on the rotating motor on the moving plate (positive and negative) at the same time (2-2) Drive the brush (10) to repeatedly scrub the filter membrane column (7) to scrub off the active powder, charcoal powder and dirt attached to the filter membrane column. The aeration pipe (9) aerates the water body.

Step 5: Turn off the fan to stop the aeration, and at the same time turn off the rotating motor (2-2). Turn on the sewage suction motor (2-3), the sewage suction plate (13) is at the bottom of the main body of the equipment, and the mobile plate (1) is driven by the mobile motor (reciprocating) (2-1) to move back and forth to suction sewage, and the sewage suction efficiency is high. The absorbed activated carbon slurry is sucked into the sludge tank. In order to improve the walking effect of the dirt suction plate (13), add the moving pulley (14) of the dirt suction plate cover.

Step 6: Turn on the filter press pump, and transport the activated carbon slurry in the sludge tank to the filter press to filter out the carbon cake and recover it for centralized activation and regeneration.

The data comparison before and after the above wastewater treatment is shown in the table below:

Detection Indicator Raw water sample Treated water sample Reduction rate (%) Cod 129(mg/l) 37.98(mg/l) 70.56 BOD5 43.30(mg/l) 11.7(mg/l) 72.98 Chroma 80 (times) 2.52 (times) 96.85 Ammonia nitrogen 0.82(mg/l) 0.43(mg/l) 47.56 Adsorbable Organic Halogen 1.43(mg/l) 0.91(mg/l) 36.36 Anilines 0.13(mg/l) 0.03(mg/l) 76.92 Hexavalent chromium 0.06(mg/l) 0.01(mg/l) 83.33 total antimony 0.13(mg/l) 0.03(mg/l) 76.92

It can be seen from the above table that many indicators are significantly reduced after comparing the water that needs to be purified, which shows that the device meets the design requirements and realizes automatic treatment. In addition, the purification effect is obvious.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. A kind of sewage purification device, this device comprises an accommodating cavity, comprises filter membrane element in this cavity, and is used to hold the space of adsorption medium, wherein, the outer surface of this filter membrane element and described accommodating adsorption The space of the medium is in fluid contact, wherein the hollow part of the filter membrane is in fluid communication with the drainage channel; wherein, the device also includes an element for cleaning the filter membrane, and the filter membrane on the filter membrane element is automatically cleaned by the cleaning element; The cleaning element includes, a rotating motor (2-2) and a hair brush (10), the rotating motor (2-2) is arranged on the moving frame (1), and the rotating motor (2-2) drives the The brush (10) rotates to clean the filter membrane element (7); two guide rails (6) arranged in parallel are arranged on the wall of the accommodating cavity, and the moving frame (1) is slidably fitted on the on the guide rail (6); the sliding of the mobile frame (1) is driven by a mobile motor (2-1), and two sets of walking wheels that cooperate with the two guide rails (6) are installed on the mobile frame (1) (4), the two groups of traveling wheels (4) are connected by a drive shaft (3), and the drive shaft (3) is connected to the motor shaft of the mobile motor (2-1). 2. The device according to claim 1, wherein the device further comprises an aeration element, through which the sewage in the cavity is fully mixed with the adsorption medium. 3. The device according to claim 1, wherein the device may further include a dirt-absorbing element, which is used to absorb the sludge in the chamber of the device, the activated carbon after adsorption, or the mixture of activated carbon and sludge. 4. The device according to claim 1, wherein the device further comprises a water inlet element and a drain element, wherein the water to be treated and purified is injected into the accommodating cavity through the water inlet element, and the treated water is discharged through the drain element. out of the container. Wherein, the drainage element is in fluid communication with the filter membrane element.