CN212222719U - A kind of cleaning liquid automatic filtering processing equipment - Google Patents

Abstract

The utility model provides an automatic filtering and processing equipment for cleaning liquid, comprising a box body with a hollow structure, and further comprising: a purifying and filtering device, which is arranged in an air flotation tank installed inside the box body, and is used for filtering the inlet and outlet holes opened on the box body. The waste liquid flowing into the air flotation tank is subjected to coarse screening and filtering; the disinfection and deodorization device is arranged on the outer wall of the box, and the sewage inlet of the disinfection and deodorization device is connected to the purification device through a pipeline assembly. The filtrate outlet of the filter device; the acid-base PH adjustment device, which is arranged on the outer wall of the box body and is located above the air flotation tank, used to pump the filtered waste liquid into the clean water tank installed inside the box body. Acid-base neutralization treatment; the utility model filters the waste liquid entering the air flotation tank through the purification and filtering device provided, and filters the large-particle sludge impurities and iron filings and other metals in the waste liquid, so as to prevent the waste liquid The sludge in the sludge blocks the pipeline, thus affecting the efficiency of wastewater filtration and purification treatment.

Description

A kind of cleaning liquid automatic filtering processing equipment

technical field

The utility model relates to the technical field of cleaning, filtering and processing, in particular to an automatic filtering and processing equipment for cleaning liquid.

Background technique

Nowadays, the problem of wastewater filtration and treatment has always been one of the urgent problems to be solved in environmental protection, and the treatment of industrial wastewater is a necessary solution for factory sewage. and emulsified oil, pigments, halogenated hydrocarbons, phenols, heterocyclic compounds and other waste water, and the waste water has the characteristics of strong toxicity, complex composition, organic matter COD and COD height of raw water above 20000mg/L, many debris, and uneven water quality.

In view of the low efficiency of wastewater filtration and purification treatment of existing wastewater treatment equipment, resulting in increased wastewater treatment costs, our company has designed an automatic filtration and treatment equipment for cleaning liquids to alleviate the above-mentioned technical deficiencies.

Utility model content

The purpose of this utility model is to overcome the deficiencies of the above-mentioned technologies, and to provide an automatic filtration treatment equipment for cleaning liquid, which can improve the efficiency of filtration and purification treatment of waste water and reduce the cost of waste water treatment.

In order to achieve the above technical purpose, the present utility model provides a cleaning liquid automatic filtering and processing equipment, which includes a box body with a hollow structure, and also includes:

The purification and filtering device is arranged in the air flotation tank installed inside the box body, and is used to perform coarse screening and filtration treatment on the waste liquid flowing into the air flotation tank through the sewage inlet opened on the box body;

The disinfection and deodorization device is arranged on the outer wall of the box, and the sewage inlet of the disinfection and deodorization device is connected to the filtrate outlet of the purification filter device through a pipeline assembly;

The acid-base PH adjusting device is arranged on the outer wall of the box body and is located above the air flotation tank, and is used for acid-base neutralization treatment of the filtered waste liquid pumped into the clean water tank installed inside the box body;

Wherein, the purifying and filtering device is communicated with the sterilizing and deodorizing device and the acid-base pH adjusting device through a pipeline assembly.

Further, the purification and filtering device includes at least a single bag filter and a magnetic rod, one end of the magnetic rod is connected to the lower end surface of the single bag filter, and the other end extends to the bottom of the air flotation tank.

Further, the filter screen of the single-bag filter adopts a 50-mesh filter screen.

Further, an MBR biofilm reactor, an ultrasonic cleaning device and a spiral slag discharger are also installed in the air flotation tank in sequence, wherein the ultrasonic cleaning device is fixedly installed at the bottom of the air flotation tank for cleaning the MBR biofilm. The membrane assembly in the reactor is cleaned; the slag inlet of the spiral slag discharger is buried and sunk into the bottom of the air flotation tank, and a motor is also installed near the slag outlet of the spiral slag discharger.

Further, a waste slag collection vehicle is also provided directly below the slag outlet of the screw type slag discharger.

Further, the disinfection and deodorization device includes at least an activated carbon filter tank and an ultraviolet sterilizer, the water inlet of the activated carbon filter tank is communicated with the single-bag filter in the purification filter device through a pipeline assembly, and the activated carbon filter tank is The water outlet of the device is connected with the ultraviolet sterilizer through a pipeline assembly.

Further, the other end of the ultraviolet sterilizer away from the activated carbon filter tank is communicated with the clean water tank through a pipeline assembly.

Further, the acid-base PH adjusting device includes a chemical container and a stirrer; wherein, the stirring output shaft of the agitator extends into the chemical container, and the chemical container is injected with a polyaluminum chloride (PAC) chemical content of 3 % to 5%, the content of the polyacrylamide (PAM) medicament is 0.1% to 0.2%, and the medicament container is communicated with the air flotation tank through a pipeline assembly. Further, it also includes a degreasing device, the degreasing device at least includes an oil scraper, and the oil scraper is installed on the conveyor belt used for pulley transmission; wherein, one end of the oil scraper is fixed on the conveyor belt, and the other end is fixed on the conveyor belt. It extends into the waste liquid of the air flotation tank; and an air pipe with a nozzle is installed in the air flotation tank full of waste liquid, and the other end of the air pipe is connected with an air pump installed on the outer wall of the box.

Further, an oil drain groove is installed on one side wall of the box body for collecting the oil dirt separated from the stored waste liquid.

Compared with the prior art, the present utility model has the following effects: 1) the waste liquid entering the air flotation tank is filtered and processed by the purification filter device provided to remove the large particles of sludge impurities and metals such as iron filings in the waste liquid. Filtration treatment is carried out to prevent sludge in the waste liquid from clogging the pipeline, thereby affecting the efficiency of waste water filtration and purification treatment. 2) The concentration of activated sludge in the air flotation tank is greatly increased through the MBR biofilm reactor, so that the microbial solids can be effectively trapped in the bioreactor to decompose the organic matter in the waste liquid, thereby improving the content of organic matter in the waste liquid. , to a certain extent, remove the content of COD and BOD in the water, improve the efficiency of wastewater filtration and purification treatment, so as to reduce the cost of wastewater treatment. 3) The operation process of the utility model is simple, the waste liquid treatment efficiency is high, the production cost is low, and the market economic benefit is high.

Description of drawings

Below in conjunction with accompanying drawing and embodiment, the utility model is further described:

Fig. 1 is the front view of the utility model;

Fig. 2 is the top view of Fig. 1;

Fig. 3 is the left side view of Fig. 1;

FIG. 4 is a schematic structural diagram of the degreasing device in the utility model.

The list of components represented by the numbers in the accompanying drawings is as follows: 1. Box body, 1a. Sewage inlet, 2. Air flotation tank, 3. Clean water tank, 4. Single bag filter, 5. Spiral slag discharger, 5c. Slag inlet, 5d. Slag outlet, 6. Motor, 7. Waste residue collection truck, 8. Activated carbon filter tank, 9. Ultraviolet sterilizer, 10. Reagent container, 11. Stirrer, 11g. Stirring output shaft, 12. Oil scraper, 13. Conveyor belt, 14. Air pipe, 15. Air pump, 16. Oil drain, 17. Inclined panel.

Detailed ways

In order to further illustrate the technical means and effects adopted by the present utility model to achieve the above-mentioned purposes, the specific embodiments, structures, features and effects of the present utility model will be described in detail below in conjunction with the accompanying drawings and preferred embodiments. It should be understood that this The specific embodiments described in the utility model are only used to explain the present utility model, and are not intended to limit the present utility model.

Please refer to FIG. 1 to FIG. 4 , the present utility model provides an automatic filtering and processing equipment for cleaning liquid, which includes a box body 1 with a hollow structure, and also includes a purification and filtering device, which is arranged in the air flotation tank 2 installed inside the box body 1 . , is used to carry out coarse sieve filtration to the waste liquid flowing into the flotation tank 2 through the sewage inlet 1a opened on the box body 1; the purification filter device at least includes a single bag filter 4 and a magnetic rod (not marked in the figure ), one end of the magnetic rod (not marked in the figure) is connected to the lower end face of the single-bag filter 4, and the other end extends into the air flotation tank 2; in order to filter out the large particles of sludge contained in the wastewater, it is convenient to A single-bag filter with a 50-mesh filter (mesh diameter of 0.3mm) is used, and metal particles such as iron filings in the waste liquid are attracted and attached to the rod by the magnetic attraction of the magnetic rod (not marked in the figure). Thereby, the filtering effect of waste liquid is improved.

The disinfection and deodorization device is arranged on the outer wall of the box body 1, and the sewage inlet 1a of the disinfection and deodorization device is communicated with the filtrate outlet (not marked in the figure) of the purification filter device through the pipeline assembly (not marked in the figure); Wherein, this sterilizing and deodorizing device comprises at least activated carbon filter tank 8 and ultraviolet sterilizer 9, and the water inlet 8e of activated carbon filter tank 8 is communicated with the single-bag filter 4 in the purification filter device through a pipeline assembly (not marked in the figure), And the water outlet 8f of the activated carbon filter tank 8 is connected to the ultraviolet sterilizer 9 through the pipeline assembly (not marked in the figure), and the other end of the ultraviolet sterilizer 9 away from the activated carbon filter tank 8 passes through the pipeline assembly (not marked in the figure). ) is communicated with the clean water tank 3. The adsorption effect of activated carbon is used to adsorb and remove the small particles of impurities passing through the filter screen, and then the waste liquid after adsorption treatment is irradiated for a long time according to the ultraviolet rays generated by the ultraviolet sterilizer 9, so as to sterilize the waste liquid.

The acid-base PH adjusting device is arranged on the outer wall of the box 1 and above the air flotation tank 2, and is used to neutralize the acid and alkali of the filtered waste liquid pumped into the clean water tank 3 installed inside the box 1 Treatment; wherein, the purification and filtering device is communicated with the disinfection and deodorization device and the acid-base pH adjustment device through a pipeline assembly (not marked in the figure).

In an embodiment, an MBR biofilm reactor, an ultrasonic cleaning device, and a spiral slag discharger 5 are installed in the air flotation tank 2 in sequence, wherein the ultrasonic cleaning device is fixedly installed at the bottom of the air flotation tank 2 for cleaning the MBR. The membrane assembly in the biofilm reactor is cleaned; the slag inlet 5c of the screw type slag discharger 5 is buried in the bottom of the air flotation tank 2, and a motor 6 is also installed near the slag outlet 5d of the screw type slag discharger 5 ; And the slag collection vehicle 7 is also provided directly below the slag outlet 5d of the screw type slag discharger 5. The membrane is cleaned through the membrane module (not marked in the figure) to protect the membrane and delay the service cycle of the membrane, so as to ensure the normal operation of the membrane and ensure the stability of the effluent water, among which the MBR biofilm A part of the sludge generated in the reactor can flow into the screw type slag discharger 5 more conveniently by using the inclined plate 17 installed in the air flotation tank 2, and under the driving action of the motor 6, it is discharged into the waste slag collection vehicle 7 for carrying out. Collect and dispose of them centrally. In this way, the clear water in the air flotation tank 2 is clear, which can effectively remove the content of COD and BOD in the water, and the suspended solids and turbidity are close to zero. use.

Specifically, in this embodiment, the acid-base pH adjusting device includes a medicine container 10 and a stirrer 11; wherein, the stirring output shaft 11g of the agitator 11 extends into the medicine container 10, and the medicine container 10 is filled with a PAC medicine content of 3 %～5%, PAM chemical content is 0.1%～0.2%, and the chemical container 10 is communicated with the air flotation tank 2 through a pipeline assembly (not marked in the figure). Turn on the stirrer 11 to perform rotary stirring, so that the PAC and PAM in the pharmaceutical container 10 are fully mixed, and after mixing evenly, they enter the air flotation tank 2 and the waste liquid through the pipeline assembly (not marked in the figure) for mixing and contacting. In this way, pollutants such as emulsified oil and tiny suspended particles in the waste liquid will interact with the PAM and PAC agents added to the waste liquid. The functions of electric double layer, electrical neutralization, tape and net capture, and adsorption bridging are completed, and the particles that can be oxidized by the oxidant to cause COD are precipitated and filtered, thereby reducing the COD content in the waste liquid. At the same time, once the organic matter is precipitated After filtration and removal, the BOD content in the waste liquid will be reduced, and the high fraction flocculant in which PAM is polyacrylamide has a huge surface adsorption effect resulting from the formation of larger flocs between particles.

In one embodiment, an oil removing device is also included, and the oil removing device at least includes an oil scraper 12 , and the oil scraper 12 is installed on the conveyor belt 13 used for pulley transmission; wherein, one end of the oil scraper 12 is fixed on the conveyor belt 13 The other end extends into the waste liquid of the air flotation tank 2; and a gas pipe 14 with a nozzle is also installed in the air flotation tank 2 full of waste liquid, and the other end of the gas pipe 14 is installed on the outer wall of the box body 1. The air pump 15 is connected. By turning on the air pump 15 for normal operation, gas is injected into the gas pipe 14 and the gas escapes into the waste liquid through the nozzle to form bubbles, so that pollutants such as emulsified oil and tiny suspended particles in the waste liquid will pass through the added PAM and The agent of PAC adheres to the surface of the bubbles and floats to the water surface with the bubbles. By collecting the bubbles or scum, the purpose of separating impurities can be achieved, so that the wastewater can be purified. in the car.

Preferably, in an embodiment, an oil drain 16 is also installed on one side wall of the box body 1 for collecting the oil dirt separated from the stored waste liquid. It can be seen from the above that the oil scraper 12 scrapes the small-density oil floating on the upper layer of the waste liquid, and stores and collects it in the oil discharge tank 16 for re-collection and utilization, so as to maximize the utilization of resources and reduce the purification of waste liquid. processing costs.

The utility model provides an automatic filtration and treatment equipment for cleaning liquid, which utilizes the MBR biological membrane reactor to greatly increase the concentration of activated sludge in the air flotation tank 2, so that the microbial solids can be effectively trapped in the biological device, and the organic matter in the waste liquid can be effectively reduced. Decomposition is carried out to improve the content of organic matter in the waste liquid, remove the content of COD and BOD in the water to a certain extent, and improve the efficiency of wastewater filtration and purification treatment, thereby reducing the cost of waste liquid treatment.

The above-mentioned embodiments are only the preferred technical solutions of the present invention, and should not be regarded as limitations of the present invention. An equivalent alternative to features is the scope of protection. That is, equivalent replacements and improvements within this scope are also within the protection scope of the present invention.

Claims (10)

1. a cleaning liquid automatic filtration processing equipment, comprising the box body (1) of hollow structure, it is characterized in that: comprise: The purification and filtering device is arranged in the air flotation tank (2) installed inside the box body (1), and is used for filtering the sewage flowing into the air flotation tank (2) through the sewage inlet (1a) opened on the box body (1). The waste liquid is subjected to coarse sieve filtration; a disinfection and deodorization device, which is arranged on the outer wall of the box (1), and the sewage inlet of the disinfection and deodorization device is connected to the filtrate outlet of the purification and filtering device through a pipeline assembly; The acid-base PH adjusting device is arranged on the outer wall of the box body (1) and is located above the air flotation tank (2), and is used to filter the filtered water pumped into the clean water tank (3) installed inside the box body (1). The waste liquid is acid-base neutralized; Wherein, the purifying and filtering device is communicated with the sterilizing and deodorizing device and the acid-base pH adjusting device through a pipeline assembly. 2. A cleaning liquid automatic filtering and processing equipment according to claim 1, characterized in that, the purification and filtering device at least comprises a single-bag filter (4) and a magnetic rod, and one end of the magnetic rod is connected to the The other end of the lower end face of the single bag filter (4) extends into the air flotation tank. 3 . The automatic cleaning liquid filtering and processing equipment according to claim 2 , wherein the filter screen of the single-bag filter ( 4 ) adopts a 50-mesh filter screen. 4 . 4. a kind of cleaning liquid automatic filtration processing equipment according to claim 1, is characterized in that, in described air flotation tank (2), MBR biofilm reactor, ultrasonic cleaning device and spiral slag discharger (2) are also installed successively. 5), wherein, the ultrasonic cleaning device is fixedly installed at the bottom of the air flotation tank (2) for cleaning the diaphragm assembly in the MBR biofilm reactor; The slag inlet (5c) is buried at the bottom of the air flotation tank (2), and a motor (6) is also installed near the slag outlet (5d) of the screw type slag discharger (5). 5 . The automatic cleaning liquid filtering and processing equipment according to claim 4 , wherein a waste slag collecting vehicle is also provided directly below the slag outlet ( 5d ) of the screw type slag discharger ( 5 ). 6 . (7). 6. A kind of cleaning liquid automatic filtration processing equipment according to claim 1, is characterized in that, described sterilization and deodorization device comprises at least activated carbon filter tank (8) and ultraviolet sterilizer (9), described activated carbon filter tank ( 8) The water inlet (8e) is communicated with the single-bag filter (4) in the purification and filtering device through the pipeline assembly, and the water outlet (8f) of the activated carbon filter tank (8) is connected with the single-bag filter (4) through the pipeline assembly. The ultraviolet sterilizer (9) is connected. 7. A kind of cleaning liquid automatic filtration processing equipment according to claim 6, is characterized in that, the other end of described ultraviolet sterilizer (9) away from activated carbon filter tank (8) then passes through pipeline assembly and described clean water tank (3) Connectivity. 8 . The automatic filtration processing equipment for cleaning liquid according to claim 1 , wherein the acid-base pH adjusting device comprises a pharmaceutical container ( 10 ) and a stirrer ( 11 ); wherein, the stirrer ( 11 ) The stirring output shaft (11g) of the ) extends into the medicine container (10), and the medicine container (10) communicates with the air flotation tank (2) through a pipeline assembly. 9 . The automatic filtering and processing equipment for cleaning liquid according to claim 1 , further comprising a degreasing device, wherein the degreasing device at least comprises an oil scraper ( 12 ), and the oil scraper ( 12 ) Installed on the conveyor belt (13) used for pulley drive; wherein, one end of the oil scraper (12) is fixed on the conveyor belt (13), and the other end extends into the waste liquid of the air flotation tank (2); In addition, an air pipe (14) with a nozzle is also installed in the air flotation tank (2) filled with waste liquid, and the other end of the air pipe (14) is connected with the air pump (15) installed on the outer wall of the box (1). . 10 . The automatic cleaning liquid filtering and processing equipment according to claim 1 , wherein an oil drain groove ( 16 ) is also installed on one side wall of the box body ( 1 ) for collecting and storing waste liquid. 11 . oily dirt separated from it.

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