CN216445210U - Circulating filtration and packed bed integrated wastewater treatment device - Google Patents

Abstract

The application relates to a loop filter packed bed integral type effluent treatment plant includes: a lift filter and a circulating filter packed bed. Wherein the circulating filtration packed bed comprises a recirculation mixing chamber, a recirculation filtration tank, and a recirculation pump chamber. The lifting filter device is communicated with the recirculation mixing chamber pipeline. And the top parts of the recirculation mixing chamber and the recirculation filtering tank are respectively provided with a distribution manifold, and the distribution manifolds are distributed at the top parts of the recirculation mixing chamber and the recirculation filtering tank in a net shape and are fully distributed at the top parts of the recirculation mixing chamber and the recirculation filtering tank. The input end of the recirculation pump chamber is communicated with the recirculation mixing chamber pipeline, and the output end of the recirculation pump chamber is communicated with the distribution manifold pipeline. The distribution manifold is provided with a nozzle, and a layer of engineering textile medium is laid below the distribution manifold. The floor area of the equipment is reduced through an integrated mode, and sewage can be circularly treated in the circulating filtration packed bed, so that the stable standard reaching and energy saving and consumption reduction are realized.

Description

Circulating filtration and packed bed integrated wastewater treatment device

Technical Field

The application relates to the technical field of sewage treatment, in particular to a circulating filtration and packed bed integrated wastewater treatment device.

Background

The number and scale of cities in China are continuously increased and expanded, but matched sewage treatment infrastructure is seriously insufficient, at present, only 1/3 sewage treatment equipment in China normally operates, the rest is idle or abnormal, and the treatment and the disposal of sludge generated by an activated sludge method which is widely applied and improved are the most complicated and the highest in cost, so that the pressure of governments and enterprises is great. In recent years, with the development of sewage treatment technologies, MBR, advanced oxidation, electrochemical and other processes for efficiently purifying sewage have been developed rapidly. However, the processes have respective defects, such as high technical difficulty, high operation and maintenance cost, poor nitrogen and phosphorus removal effect, large land occupation of treatment units, easy groundwater pollution and the like, so that the sewage treatment equipment is affordable and cannot be used, and the processes are not suitable for being applied to regions with underdeveloped economy and poor land. How to integrate sustainable sewage treatment equipment becomes a problem to be solved urgently by practitioners in the field.

Disclosure of Invention

In view of this, the application provides a circulation filtration packed bed integral type effluent treatment plant, with recirculation mixing chamber, recirculation pump room, recirculation filtering ponds and filter equipment integration together, reduces the area of equipment, makes sewage can the circulation handle in circulation filtration packed bed to realize stably reaching standard and energy saving and consumption reduction.

According to an aspect of the present application, there is provided a circulating filtration packed bed integrated wastewater treatment apparatus including: lifting the filtering device and circulating the filtering packed bed; wherein the circulating filtration packed bed comprises a recirculation mixing chamber, a recirculation filtration tank, and a recirculation pump chamber; the lifting and filtering device is communicated with the recirculation mixing chamber pipeline; the top parts of the recirculation mixing chamber and the recirculation filtering tank are both provided with distribution manifolds, and the distribution manifolds are distributed in a net shape at the top parts of the recirculation mixing chamber and the recirculation filtering tank and are distributed at the top parts of the recirculation mixing chamber and the recirculation filtering tank; the input end of the recirculation pump chamber is communicated with the recirculation mixing chamber pipeline, and the output end of the recirculation pump chamber is communicated with the distribution manifold pipeline; the distribution manifold is provided with a nozzle, and a layer of engineering textile medium is laid below the distribution manifold.

In one possible implementation, the volume of the recirculating mixing chamber is 2-3 times the volume of the recirculating filtration tank.

In one possible implementation, the number of nozzles is multiple and is evenly spaced along the distribution manifold.

In one possible implementation, the nozzle is a rotary nozzle.

In one possible implementation, the side wall of the circulating filtration packed bed is opened with an air inlet near the top, and the air inlet is flush with the bottom of the engineered textile media.

In a possible implementation manner, a ventilation fan assembly is arranged at the top of the recirculation filter tank and used for communicating the recirculation filter tank with the outside.

In one possible implementation, a return valve is arranged on the side wall of the recirculation filter tank.

In a possible implementation mode, the device further comprises a deep purification system; the deep purification system is internally provided with a micron filter and an ultraviolet radiator which are sequentially communicated with the discharge outlet.

In one possible implementation, a recirculation pumping assembly is arranged in the recirculation pump chamber, and a discharge pumping assembly is arranged in the recirculation filter tank; and the recirculation water pumping assembly and the recirculation discharge water pumping assembly are connected with timing relays.

In a possible implementation mode, the system further comprises a measurement and control system, a control measurement panel is arranged in the measurement and control system, and the control measurement panel is electrically connected with the timing relay and used for controlling the start and stop of the recirculation water pumping assembly and the recirculation discharge water pumping assembly.

The beneficial effect of the integrated wastewater treatment device of the circulating filtration packed bed of the embodiment of the application: the recycling mixing chamber, the recycling pump chamber, the recycling filter tank and the filtering device are integrated together, so that the floor area of equipment is reduced, and sewage can be circularly treated in the circulating filter packed bed, so that the purposes of stably reaching the standard and saving energy and reducing consumption are achieved.

Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.

FIG. 1 is a schematic structural diagram of a main body of a wastewater treatment device integrated with a circulating filtration and packed bed according to an embodiment of the present invention.

Detailed Description

Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It will be understood, however, that the terms "central," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing or simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.

Fig. 1 shows a schematic view of a body structure according to an embodiment of the present application. As shown in fig. 1, a circulation filtration and packed bed integrated wastewater treatment apparatus according to an embodiment of the present application includes: a lift filter device 100 and a circulating filtration packed bed 200. The recirculating filter packed bed 200 includes, among other things, a recirculating mixing chamber 210, a recirculating filter sump 230, and a recirculating pump chamber 220. The lift filter apparatus 100 is in line communication with the recirculation mixing chamber 210. Distribution manifolds are arranged at the tops of the recirculation mixing chamber 210 and the recirculation filter tank 230, and the distribution manifolds 240 are distributed in a net shape at the tops of the recirculation mixing chamber 210 and the recirculation filter tank 230 and are distributed at the tops of the recirculation mixing chamber 210 and the recirculation filter tank 230. The recirculation pump chamber 220 is in line communication at an input with the recirculation mixing chamber 210 and at an output with the distribution manifold 240. A nozzle 241 is provided on the distribution manifold 240 and a layer of engineered textile media 250 is laid beneath the distribution manifold 241. Thus, the recirculation mixing chamber 210, the recirculation pump chamber 230, the recirculation filter tank 220 and the filtering device are integrated together, so that the floor area of the equipment is reduced, and sewage can be circularly treated in the circulating filtration packed bed 200, so as to achieve stable standard reaching and energy saving and consumption reduction.

In the wastewater treatment device with the circulating filtration packed bed 200 integrated in the embodiment of the present application, the filter and the lifting device are combined to form the lifting filtration device 100, so that the turbidity of the sewage passing through the lifting filtration device 100 is obviously reduced.

In the wastewater treatment apparatus integrated with the circulating filtration packed bed 200 according to the embodiment of the present application, the volume of the recirculation mixing chamber 210 is 2-3 times of the volume of the recirculation filtration tank 220

Further, the engineered textile media 250 fills the recirculating mixing chamber 210 and the recirculating filter tank 220 such that a substantial portion of the filtered effluent falls into the recirculating mixing chamber 210 and is then re-delivered to the distribution manifold 240 for multiple passes through the engineered textile media 250 for high level continuous treatment.

Further, the filter media in the device is an engineered textile media 250, specifically an engineered textile cloth. Wherein the engineered textile fabric has a very large surface area, allowing for optimal treatment without biomass accumulation. In addition, the engineering textile medium 250 can be used without replacing parts, and only occasional cleaning or rinsing of the textile cloth is needed in daily maintenance, so that natural and low-energy-consumption treatment is realized, and the operation and maintenance and use cost are reduced.

Wherein, the working principle of the engineering textile medium 250 is as follows: the sewage is sprinkled on the surface of the engineering textile medium 250 in a spray form for a long time, the large-surface-area cloth cover of the engineering textile medium 250 is utilized, so that microorganisms in the sewage grow and breed in a large quantity, a biological biofilm is gradually formed on the surface and the gaps of the engineering textile cloth, the sewage, the air and the biological biofilm are contacted for mass transfer, and then the decomposition and removal of organic matters in the sewage are realized. The pollutants enter the biological membrane through mass transfer in various ways and are degraded by microorganisms in the biological membrane, and when sewage flows through the engineering textile engineering spinning medium within 150mm, the biological membrane absorbs organic matters in the water and purifies the organic matters. When the sewage permeates to 150 mm-500 mm, nitrification is carried out, and the microorganisms on the lower layer reduce the ammonia compounds into nitrate so as to degrade organic matters.

In the wastewater treatment device integrated with the circulating filtration packed bed 200 according to the embodiment of the present application, the distribution manifold 240 is disposed above the engineering textile medium 250, and is used for conveying and spraying wastewater on the engineering textile medium 250. Wherein, in order to enable the sewage to be uniformly sprayed on the engineering textile medium 250, a plurality of nozzles 241 are provided, which are uniformly spaced along the distribution manifold 240.

Further, the nozzle 241 is a rotary nozzle 241, which facilitates the uniform spraying of sewage on the engineering textile medium 250.

In the circulation filtration filling bed 200 integral type effluent treatment plant of this application embodiment, sewage spills on engineering textile medium 250 surface with the fog form for a long time, utilize the great surface area of engineering textile medium 250, the microorganism in the sewage grows in a large number and breeds, at weaving cloth surface and clearance and formed the biological biofilm formation gradually, sewage, contact the mass transfer between air and the biological biofilm formation three, and then realized that the decomposition of organic matter in the sewage is got rid of, in long-term steady operation in-process, because the biological biofilm formation grows the thickening gradually, dissolved oxygen can only get into the degree of depth on biological biofilm formation top layer usually through the diffusion, consequently there are aerobic zone and anoxic zone on the biological biofilm formation simultaneously, make the device have biological denitrogenation's function. The pollutants enter the biological membrane through mass transfer in various ways and are degraded by microorganisms in the biological membrane, and when sewage flows through the engineering textile medium within 150mm, the biological membrane absorbs organic matters in the water to purify the sewage. When the sewage permeates to 150 mm-500 mm, nitrification is carried out, and the microorganisms on the lower layer reduce the ammonia compounds into nitrate so as to degrade organic matters.

Further, an air inlet 211 is opened on a sidewall of the recirculation mixing chamber 210, and is communicated with the outside through a pipe. Wherein the air opening is positioned flush with the bottom of the engineered textile media 250 for providing sufficient oxygen.

In the wastewater treatment device integrated with the circulating filtration packed bed 200 of the embodiment of the application, sewage is collected into the recirculation mixing chamber 210 and the recirculation filtration tank 220 after being treated by the engineering textile medium 250, and then the system stops running intermittently, so that the system can rest and absorb oxygen. The system will deliver the sewage indefinitely and allow the microorganisms to absorb oxygen during the period of organic matter absorption, providing food for the microorganisms. The oxygen conveying method conveys a large amount of air to the oxygen through the air inlet 211 without a blower and aeration equipment, thereby realizing energy conservation and consumption reduction.

In the wastewater treatment device integrated with the circulating filtration packed bed 200 of the embodiment of the present application, the top of the recirculation filtration tank 220 is provided with a ventilation fan assembly for communicating the recirculation filtration tank 220 with the outside and balancing the pressure difference between the recirculation filtration tank 220 and the outside.

In the wastewater treatment device of the circulating filtration packed bed 200 integrated type of the embodiment of the application, the side wall of the recirculation filtration tank 220 is provided with the return valve, and the return valve is arranged to prevent the overhigh water level in the recirculation filtration tank 220.

In the wastewater treatment device integrated with the circulating filtration packed bed 200 according to the embodiment of the present application, a micron filter and an ultraviolet radiator are disposed in the deep purification system 400, and are sequentially communicated with a discharge outlet disposed on the recirculation filtration tank 220, so as to further purify the wastewater treated by the circulating filtration packed bed 200.

In the wastewater treatment device of the circulating filtration packed bed 200 integrated type of the embodiment of the application, the wastewater treatment device further comprises a measurement and control system, and the measurement and control system is used for providing control, alarming and detecting functions.

Further, the measurement and control system comprises a control measurement panel 300 and a motor contactor. The control measurement panel 300 is electrically connected to the timing relay, and is used for controlling the start and stop of the pump through the control measurement panel 300. The motor contactor may increase the life of the system by reducing the load requirements of the levitation switch. The measurement and control system is connected in series with the motor system and can be used for controlling the filter. The lead operation is performed by manually selecting a single pump and locking it by controlling the measurement panel 300. The parameters of ammonia content, nitrate content and BOD (biological oxygen demand) can also be detected by combining a digital analog sensor.

In the wastewater treatment device integrated with the circulating filtration packed bed 200 of the embodiment of the application, the device further comprises a digital cloud platform for providing the functions of calculation and data storage and processing.

Further, the digital cloud platform provides a variety of functions including running timetables, calculators, digital indications of float switch status, as well as collecting data and generating logs. The digital cloud platform can automatically maintain system conditions and time logs, including motor run time, motor cycling and alarm conditions. The digital cloud platform has various control logics, can normally operate when a fault occurs, and automatically sends an e-mail under an alarm condition or when the control measurement panel 300 detects a trend that may cause a system fault.

In the circulation filtration packed bed 200 integral type effluent treatment plant of this application embodiment, the processing procedure of sewage: the sewage enters the lifting filter tank from the outside, and after primary filtration, the sewage enters the recirculation mixing chamber 210 of the circulating filtration packed bed 200 through a pipeline. The wastewater is piped into the recirculation pump chamber 230 after a period of stationary settling in the recirculation mixing chamber 210, and then through a recirculation pump key provided in the recirculation pump chamber 230, to a distribution manifold 240 above the recirculating filter packed bed 200. The rotating nozzles 241 provided on the distribution manifold 240 uniformly spray the contaminated water onto the engineered textile media 250 below the distribution manifold 240 for purification. The treated wastewater is partially collected in the recirculating mixing chamber 210 and partially collected in the recirculating filter tank 220. The operation of the circulating filtering packed bed 200 is then intermittently stopped, and oxygen is absorbed from the air inlet 211. Wherein the influent water passes through the engineered textile media 250 multiple times to achieve a high level of continuous treatment, and when the level of liquid in the recirculating filter tank 220 is high enough to drain the treated effluent from the discharge outlet before the engineered textile media 250 is near the top. After passing through the circulating filtration packed bed 200, the sewage sequentially enters the deep purification system 400 for deep filtration and disinfection, is discharged after being sterilized and disinfected by a micron filter and ultraviolet radiation, can reduce 99.9 percent of bacteria in the sewage, and reaches the discharge standard of 'Water pollutant Integrated discharge Standard' DB11/307-2013(B discharge Limit). During operation, the control and measurement panel 300 provides control, alarm, monitoring and automatic adjustment, data calculation and storage processing and feedback to the user.

Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. The utility model provides a circulation filtration packed bed integral type effluent treatment plant which characterized in that includes:

lifting the filtering device and circulating the filtering packed bed;

wherein the circulating filtration packed bed comprises a recirculation mixing chamber, a recirculation filtration tank, and a recirculation pump chamber;

the lifting and filtering device is communicated with the recirculation mixing chamber pipeline;

the top parts of the recirculation mixing chamber and the recirculation filtering tank are both provided with distribution manifolds, and the distribution manifolds are distributed in a net shape at the top parts of the recirculation mixing chamber and the recirculation filtering tank and are distributed at the top parts of the recirculation mixing chamber and the recirculation filtering tank;

the input end of the recirculation pump chamber is communicated with the recirculation mixing chamber pipeline, and the output end of the recirculation pump chamber is communicated with the distribution manifold pipeline;

the distribution manifold is provided with a nozzle, and a layer of engineering textile medium is laid below the distribution manifold.

2. The circulating filtering packed bed integrated wastewater treatment plant of claim 1, wherein the capacity of the recirculating mixing chamber is 2-3 times the capacity of the recirculating filter tank.

3. The circulating filtration packed bed integrated wastewater treatment plant according to claim 1, wherein the number of the nozzles is plural and is uniformly spaced along the distribution manifold.

4. The circulating filtration packed bed integrated wastewater treatment device according to claim 3, wherein the nozzle is a rotary nozzle.

5. The device of claim 1, wherein the side wall of the circulating filtration packed bed is opened with an air inlet near the top, and the air inlet is flush with the bottom of the engineered textile media.

6. The circulating filtration packed bed integrated wastewater treatment device according to claim 1, wherein a ventilation fan assembly is provided at the top of the recirculating filtration tank for communication of the recirculating filtration tank with the outside.

7. The apparatus of claim 1, wherein a reflux valve is provided on a side wall of the recirculation filtration tank.

8. The circulating filtration packed bed integrated wastewater treatment plant according to claim 1, further comprising a deep purification system;

the deep purification system is internally provided with a micron filter and an ultraviolet radiator which are sequentially communicated with a discharge outlet.

9. The integrated wastewater treatment device of claim 1, wherein a recirculation pumping assembly is disposed in the recirculation pump chamber, and a discharge pumping assembly is disposed in the recirculation filter tank; and the recirculation water pumping assembly and the recirculation discharge water pumping assembly are connected with timing relays.

10. The integrated wastewater treatment device of claim 9, further comprising a measurement and control system, wherein a control measurement panel is arranged in the measurement and control system, and the control measurement panel is electrically connected with the timing relay and used for controlling the start and stop of the recirculation water pumping assembly and the recirculation discharge water pumping assembly.

Images