CN210855641U - An integrated advanced water treatment system - Google Patents

Abstract

The utility model discloses an integrated water deep treatment system, which comprises an advanced oxidation pond, an activated carbon filter and an oxidant adding module, wherein the advanced oxidation pond is communicated with the activated carbon filter, and a water outlet of the advanced oxidation pond is positioned at the upper part of the activated carbon filter; the oxidant feeding module comprises a hydrogen peroxide feeding component and an ozone feeding component, and the hydrogen peroxide feeding component and the ozone feeding component are respectively communicated with the advanced oxidation pond; the advanced oxidation pond comprises an ultraviolet lamp tube group, and the ultraviolet lamp tube group penetrates through the advanced oxidation pond; the control module is respectively connected with the hydrogen peroxide feeding assembly, the ozone feeding assembly and the ultraviolet lamp tube set and used for controlling the hydrogen peroxide feeding assembly, the ozone feeding assembly and the ultraviolet lamp tube set to be switched on and off. The utility model has the advantages of, the utility model discloses can change the switch of throwing the oxidant type of throwing and ultraviolet lamp nest of tubes, can realize the switching of multiple different advanced oxidation technology combination forms, adapt to the needs of different raw water micro pollution types, optimize energy consumption and medicine consumption on the water purification basis.

Description

An integrated advanced water treatment system

technical field

The utility model relates to the technical field of water treatment, in particular to an integrated water advanced treatment system.

Background technique

At present, water environmental protection is an issue that is widely concerned by the current human society. Organic wastewater poses a threat to water resources. Such problems are usually solved by advanced treatment methods combined with advanced oxidation and biological activated carbon filters. There are many forms of advanced oxidation, but the directly related consumables are O3 and H2O2. Different advanced oxidation methods are independent in form and single in function, and each has its own limitations. In addition, ozone-biological activated carbon advanced treatment is mostly used in large-scale Advanced treatment of water plants, separation of ozone process and activated carbon process, in the field of emergency water supply, it is difficult to temporarily increase the advanced treatment process of ozone and activated carbon and its supporting facilities.

Utility model content

In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide an integrated water advanced treatment system, which is suitable for supply water and different organic waste water, and can switch between different advanced oxidation modes to meet different usage requirements.

The purpose of this utility model adopts following technical scheme to realize:

An integrated advanced water treatment system, comprising an advanced oxidation tank, an activated carbon filter and an oxidant dosing module, wherein:

The advanced oxidation tank is communicated with the activated carbon filter, and the water outlet of the advanced oxidation tank is located at the upper part of the activated carbon filter;

The oxidant dosing module includes a hydrogen peroxide dosing component and an ozone dosing component, and the hydrogen peroxide dosing component and the ozone dosing component are respectively communicated with the advanced oxidation tank;

The advanced oxidation tank includes an ultraviolet lamp tube group, and the ultraviolet lamp tube group runs through the advanced oxidation tank;

Also includes a control module, the control module is respectively connected with the hydrogen peroxide dosing component, the ozone dosing component and the ultraviolet lamp tube group, for controlling the hydrogen peroxide dosing component, the ozone dosing component and the ultraviolet lamp The switch of the tube group.

Preferably, at least one partition is arranged in the advanced oxidation tank, a gap is provided between the partition and the tank wall, the water inlet pipe is located at the bottom of the advanced oxidation tank, and there is a gap between the first partition and the top tank wall; the The ultraviolet lamp tube group passes through the baffle.

Preferably, at least two partitions are provided in the advanced oxidation tank, and the adjacent partitions are opposite to the gap between the tank walls; the water inlet pipe is located at the lower part of the tank body, and the first partition close to the water inlet pipe and the tank are in opposite positions. The gap of the wall is located in the upper part, and the gap between the second partition plate and the pool wall is located in the lower part.

Preferably, the activated carbon filter comprises a closed box body and a filter head plate, the filter head plate is located at the lower part of the closed box body, the top of the closed box body is provided with an automatic breathing valve, and the outside of the closed box body is provided with an automatic breathing valve. A backflushing gas pipe is provided, and the backflushing gas pipe is communicated with the closed box.

Preferably, the filter head plate includes a filter plate and a filter head, wherein the filter plate is a corrugated plate, and the cross-sectional shape of the corrugated plate is a continuous trapezoid; the filter head is arranged on the peak of the wave plate; the filter plate is perpendicular to the waveform direction There are sealing plates on both sides of the box, and the sealing plates are fixedly connected with the closed box body or another sealing plate.

Preferably, the filter plate is made of stainless steel.

Preferably, the activated carbon filter is a drinking water grade carbon filter or a drinking water grade carbon sand filter.

Preferably, the advanced oxidation tank is arranged in an oxidation box, the oxidation box is arranged above the side of the activated carbon filter box where the activated carbon filter tank is located, and is fixedly connected with the activated carbon filter box, and the oxidation box and the activated carbon filter box are fixedly connected. The activated carbon filter box is communicated through pipelines; the hydrogen peroxide injection component and the ozone injection component are communicated with the oxidation box through pipelines.

Preferably, the oxidation box is provided with a window.

Preferably, the terminal of the ultraviolet lamp tube group passes through the side wall of the oxidation box and is fixedly connected with the oxidation box, and the ultraviolet lamp tube group is sealedly connected with the side wall of the oxidation box.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The system of the present utility model comprises an advanced oxidation tank, an activated carbon filter tank and an oxidant dosing module, and the control module is used to change the type of oxidant added and the switch of the ultraviolet lamp tube group in the advanced oxidation pond, so that UV/H ₂ O can be realized. _2. Switching between different advanced oxidation process combinations of H ₂ O ₂ /O ₃ and UV/H ₂ O ₂ /O ₃ to meet the needs of different types of raw water micro-pollution, and optimize energy consumption and chemical consumption on the basis of water purification;

2. The advanced oxidation tank and the activated carbon filter are integrated into one, which has strong applicability and good effect in the field of small-scale emergency water supply.

Description of drawings

1 is a schematic structural diagram of a system according to an embodiment of the present invention;

Fig. 2 is the sectional structure schematic diagram of the oxidation box of the utility model embodiment;

FIG. 3 is a schematic cross-sectional structure diagram of a system according to an embodiment of the present invention.

In the figure: 10, oxidation box; 11, water inlet pipe; 12, first clapboard; 13, second clapboard; 14, ultraviolet lamp group; 15, water outlet; 16, window; 20, activated carbon filter; 21 , water inlet; 22, closed box; 23, filter head plate; 24, automatic breathing valve; 25, backwash trachea; 26, filter plate; 27, filter head; 28, sealing plate; 29, water dividing plate; 30 , Oxidant dosing module; 31, hydrogen peroxide dosing components; 32, ozone dosing components; 33, switch.

Detailed ways

The present utility model will be described in more detail below with reference to the accompanying drawings. It should be noted that the following description of the present utility model with reference to the accompanying drawings is merely illustrative and not restrictive. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

In the description of the present utility model, it should be noted that for orientation words, such as the terms "center", "horizontal", "longitudinal", "length", "width", "thickness", "upper", "lower" ", "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Reverse" The indicated orientation and positional relationship such as "hour hand" are based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, so as to simplify the description. The specific orientation structure and operation should not be construed as limiting the specific protection scope of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or indicating the number of technical features. Thus, the features defined as "first" and "second" may expressly or implicitly include one or more of the features. In the description of the present invention, "several" means two or more, unless There are other clear and specific restrictions.

In the present utility model, unless otherwise expressly specified and limited, the terms "assembled", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or It can be connected integrally; it can also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, and two components can be connected internally. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Referring to Fig. 1 to Fig. 3, the integrated advanced water treatment system of the embodiment of the present invention will be clarified in the following description, wherein, the oxidant injection module and the ultraviolet lamp tube group are controlled by the control module, In order to deal with different types of organic wastewater, while optimizing energy consumption and chemical consumption.

As shown in Figures 1 to 3, the integrated advanced water treatment system of this embodiment includes an advanced oxidation tank, an activated carbon filter tank 20 and an oxidant dosing module 30, wherein: the advanced oxidation tank is communicated with the activated carbon filter tank 20, and the advanced oxidation tank is connected to the activated carbon filter tank 20. The water outlet 15 of the oxidation tank is located on the upper part of the activated carbon filter tank 20; the oxidant dosing module 30 includes a hydrogen peroxide injection component 31 and an ozone injection component 32, and the hydrogen peroxide injection component 31 and the ozone injection component 32 are respectively communicated with the advanced oxidation tank; the advanced oxidation tank includes The ultraviolet lamp tube group, the ultraviolet lamp tube group runs through the advanced oxidation tank; in this embodiment, the advanced oxidation tank, the activated carbon filter tank 20, the hydrogen peroxide injection component 31 and the ozone injection component 32 are integrated together, which simplifies the volume of the entire system and occupies an area of Small area, suitable for small-scale emergency water supply field. In addition, the system of this embodiment further includes a control module, which is respectively connected with the hydrogen peroxide injection component 31, the ozone injection component 32 and the ultraviolet lamp group, and is used to control the hydrogen peroxide injection component 31, the ozone injection component 32 and the ultraviolet lamp group. The switch 33 is switched to realize the switching of different advanced oxidation process combinations of UV/H ₂ O ₂ , H ₂ O ₂ /O ₃ and UV/H ₂ O ₂ /O ₃ . When using the advanced sewage treatment system of this embodiment, the operator can change the type of oxidant put in through the control module according to the different states of organic matter contained in the raw water, and control the switch 33 of the ultraviolet lamp tube group to treat different organic sewage.

More specifically, the main component of organic wastewater is organic matter. When the wastewater contains heavy metals, many organic matters will complex with the heavy metals, so that the heavy metals cannot completely form hydroxide precipitation; when the wastewater contains suspended solids and colloids, many Organic matter will be coupled with it to stabilize the electric double layer _on the surface of the colloid and reduce the electrical neutralization ability of Fe ²⁺ /A1 ³⁺ _; Algae ability; the most harmful organic matter is the dissolved oil in the polluted water source, followed by the biotoxic algae. The control module of this embodiment can be manually operated to realize the switch of oxidant and the switch 33 of the ultraviolet lamp tube group 14; it can also be combined with a sensor to automatically detect the state of organic sewage to realize automatic control and automatic switching of the control module. Generally speaking: ozone is mainly used for water disinfection, removal of pollutants such as phenol and cyanide in water, decolorization of water, removal of metal ions such as iron and manganese in water, and removal of odor and odor; the combination of ozone and ultraviolet rays can effectively treat cyanide Wastewater; UV light combined with hydrogen peroxide can efficiently oxidize commonly used anionic surfactants, such as sodium dodecylbenzenesulfonate, EDTA (ethylenediaminetetraacetic acid), but the removal efficiency of DOC (dissolved organic carbon) is limited; The combined oxidation process of hydrogen peroxide and ozone has obvious effect on the removal of COD (water quality oxygen demand) and chromaticity of wastewater; the combined oxidation process of ultraviolet, hydrogen peroxide and ozone can effectively degrade disinfection by-products (such as trichloronitromethane, etc. ), pesticide residues, endocrine disruptors and other refractory trace pollutants. In this embodiment, an online water quality monitoring instrument can be set up to detect the water quality, and after judging the types of inorganic and organic substances in the water quality, feedback is sent to the control module, which controls the valve and the ultraviolet lamp group to switch to a suitable oxidation mode. The water quality online monitoring instrument is an existing product, which is sold in the market. It can be directly assembled and used, and will not be repeated here.

As shown in FIG. 1 , the advanced oxidation tank of this embodiment is arranged in the oxidation box 10, and the oxidation box 10 is arranged above the side of the activated carbon filter box where the activated carbon filter tank 20 is located, and is fixedly connected with the activated carbon filter box. 10 and the activated carbon filter box are arranged in an integrated box, separated by a partition, the oxidation box and the activated carbon filter box share the same side wall, and are connected through pipelines; the lower part of the oxidation box 10 is provided with a hydrogen peroxide dosing component 31 and ozone dosing Component 32, in actual use, the volume of the system in this embodiment is small, and the volume of the ozone dosing component is relatively large, which is inconvenient to be placed under the oxidation box, so only the hydrogen peroxide dosing component is placed under the oxidation box, and the ozone dosing component is placed in the oxidation box. On the side, the hydrogen peroxide injection component 31 and the ozone injection component 32 are communicated with the oxidation tank 10 through pipelines. The sewage is discharged into the oxidation tank 10 through the water inlet pipe 11. When the water inlet pipe 11 passes through the hydrogen peroxide injection component 31 and the ozone injection component 32, the hydrogen peroxide injection component 31 and the ozone injection component 32 are connected with the water inlet pipe 11, and there are two switches at the connection. 33. Connect the water inlet pipe 11 and the hydrogen peroxide injection assembly 31 and the water inlet pipe 11 and the ozone injection assembly 32 respectively. Both switches 33 are connected to the control module and are controlled by the control module to control the type of oxidant entering the water inlet pipe 11. The oxidant is mixed with organic sewage in the water inlet pipe 11, and then enters the oxidation tank 10; after the advanced oxidation is performed in the oxidation tank 10, it enters the upper part of the activated carbon filter 20 from the oxidation box 10, and then enters the activated carbon filter 20 from top to bottom. Filtration for further sewage treatment.

More specifically, in order to make the residence time of the organic sewage in the oxidation tank 10 longer, the advanced oxidation is more sufficient, and at the same time to optimize the volume of the oxidation tank 10, in a specific embodiment, at least one partition is arranged in the advanced oxidation tank, There is a gap between the separator and the pool wall, the water inlet pipe 11 is located at the bottom of the advanced oxidation pool, there is a gap between the first separator 12 and the top pool wall; the ultraviolet lamp tube group 14 passes through the separator. As shown in FIG. 2 , the first partition plate 12 is the first partition plate close to the water inlet pipe 11 , and the organic waste water entering from the water inlet pipe 11 needs to fill the first partition tank before it can be discharged from the first partition plate 12 . The gap with the top wall of the oxidation box 10 flows to the next compartment, thereby extending the path of the organic waste water and prolonging the irradiation time of the ultraviolet lamp tube group 14 to the organic waste water; preferably, at least two partitions are provided in the advanced oxidation tank , the position of the gap between the adjacent partitions and the pool wall is opposite; as shown in Figure 2, the water inlet pipe 11 is located in the lower part of the pool body, and the gap between the first partition plate 12 close to the water inlet pipe 11 and the pool wall is located in the upper part, and the second The gap between the partition plate 13 and the pool wall is located at the lower part, and the two partition plates divide the oxidation box 10 into three compartments, so that the water flow can flow up and down, further extending the path of the organic waste water, increasing the residence time of the waste water, and making the advanced oxidation of the organic waste water. more thoroughly. The water outlet 15 of the oxidation box 10 is located above the oxidation box 10 and communicates with the closed box 22 of the activated carbon filter 20 by pipeline.

In addition, in order to facilitate maintenance and observation of the conditions in the oxidation box 10 , a window 16 is provided on the top surface of the oxidation box 10 , and the size of the window 16 can be used by the operator to clean and maintain the inside of the oxidation box 10 . The ultraviolet lamp tube group 14 in the oxidation box 10 needs to be energized for use. In order to use safety, the terminal of the ultraviolet lamp tube group 14 passes through the side wall of the oxidation box 10 and is fixedly connected with the oxidation box 10. The ultraviolet lamp tube group 14 is connected to the oxidation box. The side walls of the 10 are sealed and connected to ensure the sealing of the oxidation box 10 and prevent water leakage.

The activated carbon filter 20 is also an important facility in the advanced sewage treatment system of the present invention. As shown in FIG. 3 , the activated carbon filter 20 of this embodiment includes a closed box 22 and a filter head plate 23, and the filter head plate 23 is located in the closed box. There is a gap of at least 300mm between the lower part of the box body 22 and the bottom wall of the closed box body. An automatic breathing valve 24 is arranged on the outer side of the top of the closed box body 22. The air pipe 25 communicates with the closed box 22 . The automatic breathing valve 24 located on the closed box body 22, the automatic breathing valve 24 has automatic exhaust and air intake functions. When the filter tank is in normal operation, the breathing valve automatically removes the remaining ozone at the top of the filter tank; when the filter tank reaches the flushing condition, In order to avoid negative pressure at the top of the filter tank and affect the backwash drainage, the breathing valve automatically switches to the air intake function according to the pressure situation. The automatic breathing valve 24 can be purchased from mature products on the market, and the structure of the backflushing trachea 25 is a conventional structure, which will not be repeated here.

When the organic waste water after advanced oxidation enters the closed box body 22, it first passes through the water separation plate 29 in the upper part of the closed box body 22. The organic waste water is dispersed so that it falls evenly and is filtered, so as to prevent a large amount of sewage from directly impacting a certain part of the filter head plate 23, resulting in damage to the filter head plate 23 of this part or being blocked very quickly.

As shown in FIG. 3, in order to achieve better filtering effect, the filter head plate 23 includes a filter plate 26 and a filter head 27, wherein the filter plate 26 is a corrugated plate, and the cross-sectional shape of the corrugated plate is a continuous trapezoid; the filter head 27 It is arranged on the wave crest of the wave plate; because the filter plate 26 adopts a wave structure, the backwash air and water at the bottom of the filter plate 26 are connected at the peak and trough positions, which can balance the small difference of air pressure and water pressure during backwashing at the bottom of the filter plate 26 of the filter tank. Because the filter plate 26 adopts the corrugated plate structure, the rigidity of the filter plate 26 can be greatly enhanced, and it is easy to realize factory production; According to the technical requirements of the filter tank, round holes for installing the filter head 27 are set. The fixing parts of the filter head 27 pass through these round holes, and are connected on both sides of the plate surface through structures such as threads and rubber gaskets, and the connected fixing parts are fixed with the stainless steel plate. Sturdy and won't leak air or water. The stainless steel corrugated plate has high rigidity and can meet the requirements of running upper and lower loads in the filter tank

The filter head 27 is connected with the filter head 27 fixing member installed on the filter plate 26 through threads. The filter plate 26 is provided with a sealing plate 28 on both sides perpendicular to the wave direction, and the sealing plate 28 is fixedly connected with the closed box 22 or another sealing plate 28, and the stainless steel corrugated plate of a smaller area can be spliced into a filter plate 26 of a larger area. , It is very convenient to transport and assemble, and it can be connected by argon arc welding or screw fixing. The two sides of the filter plate 26 without the sealing plate 28 and the closed box 22 can be sealed with polydisulfide sealant and sealing glue.

The advanced sewage treatment system of this embodiment can be applied to the field of small-scale emergency water supply. Therefore, the activated carbon filter tank 20 of this embodiment is the same as the filter tank used in the existing water plant, so that the advanced treated organic wastewater can reach the drinking water standard .

The above-mentioned embodiments are only the preferred embodiments of the present invention, and the scope of protection of the present invention cannot be limited by this. Any insubstantial changes and replacements made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. The scope of protection of the utility model.

Claims (10)

1. an integrated water advanced treatment system, is characterized in that, comprises advanced oxidation tank, activated carbon filter tank and oxidant adding module, wherein: The advanced oxidation tank is communicated with the activated carbon filter, and the water outlet of the advanced oxidation tank is located at the upper part of the activated carbon filter; The oxidant dosing module includes a hydrogen peroxide dosing component and an ozone dosing component, and the hydrogen peroxide dosing component and the ozone dosing component are respectively communicated with the advanced oxidation tank; The advanced oxidation tank includes an ultraviolet lamp tube group, and the ultraviolet lamp tube group runs through the advanced oxidation tank; Also includes a control module, the control module is respectively connected with the hydrogen peroxide dosing component, the ozone dosing component and the ultraviolet lamp tube group, for controlling the hydrogen peroxide dosing component, the ozone dosing component and the ultraviolet lamp The switch of the tube group. 2. The integrated water advanced treatment system according to claim 1, wherein at least one partition is arranged in the advanced oxidation tank, a gap is arranged between the partition and the pool wall, and the water inlet pipe is located in the advanced oxidation tank. At the bottom of the pool, there is a gap between the first separator and the top pool wall; the ultraviolet lamp tube group passes through the separator. 3. The integrated water advanced treatment system according to claim 2, characterized in that: at least two partitions are provided in the advanced oxidation tank, and the adjacent partitions are opposite to the gap positions of the pool wall; The water pipe is located in the lower part of the tank body, the gap between the first partition plate and the tank wall close to the water inlet pipe is located in the upper part, and the gap between the second partition plate and the tank wall is located in the lower part. 4. The integrated water advanced treatment system according to claim 1, wherein the activated carbon filter comprises a closed box body and a filter head plate, the filter head plate is located at the lower part of the closed box body, and the The top of the closed box is provided with an automatic breathing valve, the outside of the closed box is provided with a backwash air pipe, and the backwash air pipe is communicated with the closed case. 5 . The integrated water advanced treatment system according to claim 4 , wherein the filter head plate comprises a filter plate and a filter head, wherein the filter plate is a corrugated plate, and the cross-sectional shape of the corrugated plate is continuous. 6 . Trapezoid; the filter head is arranged on the wave crest of the wave plate; the two sides of the filter plate perpendicular to the wave direction are provided with sealing plates, and the sealing plates are fixedly connected with the closed box or another sealing plate. 6. The integrated advanced water treatment system according to claim 5, wherein the filter plate is made of stainless steel. 7 . The integrated advanced water treatment system according to claim 4 , wherein the activated carbon filter is a drinking water grade carbon filter or a drinking water grade carbon sand filter. 8 . 8 . The integrated water advanced treatment system according to claim 1 , wherein the advanced oxidation tank is arranged in an oxidation box, and the oxidation box is arranged on the side of the activated carbon filter box where the activated carbon filter tank is located. 9 . above, and is fixedly connected with the activated carbon filter box, the oxidation box and the activated carbon filter box are communicated through pipelines; the hydrogen peroxide injection component and the ozone injection component are communicated with the oxidation box through pipelines. 9 . The integrated advanced water treatment system according to claim 8 , wherein a window is provided on the oxidation tank. 10 . 10. The integrated water advanced treatment system according to claim 8, wherein the terminal of the ultraviolet lamp tube group passes through the side wall of the oxidation box and is fixedly connected with the oxidation box, and the ultraviolet The lamp tube group is sealedly connected with the side wall of the oxidation box.

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