In-situ remediation water treatment device for black and odorous water body

Abstract

The utility model discloses an in-situ remediation water treatment device for a black and odorous water body, which comprises a container type rectangular box body as well as a grating tank, an adjusting tank, a biochemical anoxic tank, a biochemical aerobic tank, an MBR (Membrane Bioreactor) membrane tank, an advanced oxidation tank, a stabilizing tank, an activated carbon adsorption tank and a water producing tank which are arranged in the container type rectangular box body, the regulating tank, the biochemical anoxic tank, the biochemical aerobic tank, the MBR membrane tank, the advanced oxidation tank, the stabilizing tank, the activated carbon adsorption tank and the water producing tank are connected in sequence. The device is high in integration degree, small in occupied area and good in purification effect.

Description

Technical Field

[0001] The utility model relates to a water treatment device, in particular to a water treatment device for in-situ repair of black and smelly water bodies, belonging to the technical field of sewage treatment. Background Art

[0002] The main reason for the black and smelly water is that a large amount of organic pollutants enter the water body through sewage discharge. The common treatment methods for this problem are mainly divided into physical, chemical, biological and ecological treatment technologies. Physical technology mainly includes aeration and oxygenation, sediment desilting and water diversion and dilution; chemical technology mainly includes the addition of flocculants, algaecides, etc.; biological ecological technology mainly includes biofilm technology and artificial wetland technology.

[0003] In practical applications, it is difficult for a single treatment technology to achieve the desired effect, so a combination of multiple single technologies is usually used to purify black and odorous water. At the same time, urban water bodies have the characteristics of dispersed locations, unstable water quality, and high organic matter content. Traditional centralized treatment has problems such as large footprint and high investment cost. Therefore, it is urgent to develop a treatment device with high integration, small footprint and good purification effect. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a water treatment device for in-situ repair of black and odorous water bodies, which has a high degree of integration, a small footprint and a good purification effect.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A water treatment device for in-situ remediation of a black and odorous water body comprises a container-type rectangular box body and a grille pool, a regulating pool, a biochemical anoxic pool, a biochemical aerobic pool, an MBR membrane pool, an advanced oxidation pool, a stabilization pool, an activated carbon adsorption pool and a water production pool arranged in the container-type rectangular box body, the grille pool is arranged on the upper side of the regulating pool, and the regulating pool, the biochemical anoxic pool, the biochemical aerobic pool, the MBR membrane pool, the advanced oxidation pool, the stabilization pool, the activated carbon adsorption pool and the water production pool are connected in sequence.

[0007] Furthermore, the grid pool and the regulating pool are separated by a partition and a water outlet is provided on the partition. A mechanical grid is provided in the grid pool, and the grid pool is connected to a water inlet pump through a pipeline.

[0008] Furthermore, the biochemical anoxic pool, the biochemical aerobic pool and the MBR membrane pool are separated by a partition, and a water outlet is arranged on the partition.

[0009] Furthermore, a first suspended filler and a first aeration device are provided in the biochemical anoxic tank, and the first aeration device is connected to the fan through a pipeline.

[0010] Furthermore, a second suspended filler and a second aeration device are provided in the biochemical aerobic pool, and the second aeration device is connected to the fan through a pipeline.

[0011] Furthermore, an MBR device is arranged in the MBR membrane pool, the water outlet of the MBR device is connected to the MBR water outlet pump through a pipeline, and the air inlet of the MBR device is connected to the fan through a pipeline.

[0012] Furthermore, the advanced oxidation tank and the stabilization tank are separated by a partition, a pipe connecting the advanced oxidation tank and the stabilization tank is arranged on the partition, an ozone microbubble releasing device is arranged in the advanced oxidation tank, the ozone microbubble releasing device is connected to the ozone microbubble generating device, and the advanced oxidation tank is connected to the MBR outlet pump through a pipe.

[0013] Furthermore, an ozone tail gas destroyer is arranged at the upper end of the advanced oxidation tank and the stabilization tank, and the top of the advanced oxidation tank and the stabilization tank is connected to the ozone tail gas destroyer through a pipeline.

[0014] Furthermore, the activated carbon adsorption pool and the water production pool are separated by a partition and a water outlet is provided on the partition. Granular activated carbon is provided in the activated carbon adsorption pool, and the water production pool is connected to the water outlet pump through a pipeline.

[0015] Furthermore, it also includes an electrically controlled ozone room and a machine pump room. The electric control cabinet and the ozone microbubble generator are arranged in the electrically controlled ozone room, and the fan, MBR outlet pump, inlet pump and outlet pump are arranged in the machine pump room.

[0016] Compared with the prior art, the utility model has the following advantages and effects:

[0017] 1. This utility model provides a water treatment device for in-situ repair of black and odorous water bodies, which uses a combination of pretreatment + AO + MBR + ozone oxidation + activated carbon to treat black and odorous water bodies. Compared with the traditional AO + MBR integrated device project, this technology can increase the organic matter removal efficiency by 40%, and the activated carbon adsorption process can ensure the stability of the effluent water quality;

[0018] 2. The utility model integrates the pretreatment + AO + MBR + ozone oxidation + activated carbon combined process into a rectangular container, which saves space, is easy to transport, saves on official website laying, and is suitable for decentralized treatment scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of a water treatment device for in-situ repair of black and odorous water bodies according to the utility model.

[0020] Figure 2 It is a partial schematic diagram of a water treatment device for in-situ repair of black and odorous water bodies according to the utility model. DETAILED DESCRIPTION

[0021] In order to elaborate on the technical scheme adopted by the utility model to achieve the predetermined technical purpose, the technical scheme in the embodiment of the utility model will be clearly and completely described in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a partial embodiment of the utility model, not all of the embodiments, and the technical means or technical features in the embodiment of the utility model can be replaced without paying creative labor. The utility model will be described in detail with reference to the drawings and in combination with the embodiments.

[0022] like Figure 1 and Figure 2 As shown, a water treatment device for in-situ repair of black and odorous water bodies of the utility model comprises a container-type rectangular box body 1 and a grille pool 2, a regulating pool 3, a biochemical anoxic pool 4, a biochemical aerobic pool 5, an MBR membrane pool 6, an advanced oxidation pool 7, a stabilization pool 8, an activated carbon adsorption pool 9 and a water production pool 10 arranged in the container-type rectangular box body 1. The grille pool 2 is arranged on the upper side of the regulating pool 3, and the regulating pool 3, the biochemical anoxic pool 4, the biochemical aerobic pool 5, the MBR membrane pool 6, the advanced oxidation pool 7, the stabilization pool 8, the activated carbon adsorption pool 9 and the water production pool 10 are connected in sequence.

[0023] The grid pool 2 and the regulating pool 3 are separated by a partition plate and a water outlet is arranged on the partition plate. A mechanical grid 11 is arranged in the grid pool. The grid pool 2 is connected to a water inlet pump 12 through a pipeline.

[0024] The biochemical anoxic pool 4, the biochemical aerobic pool 5 and the MBR membrane pool 6 are separated by a partition plate, and a water outlet is arranged on the partition plate.

[0025] A first suspended filler 13 and a first aeration device 14 are arranged in the biochemical anoxic pool 4. The first aeration device 14 is connected to a fan 17 through a pipeline.

[0026] A second suspended filler 15 and a second aeration device 16 are arranged in the biochemical aerobic pool 5 , and the second aeration device 16 is connected to a fan 17 through a pipeline.

[0027] Wherein, the first aeration device 14 and the second aeration device 16 are both microporous aerators.

[0028] An MBR device 18 is arranged in the MBR membrane pool 6. The water outlet of the MBR device 18 is connected to the MBR water outlet pump 19 through a pipeline, and the air inlet of the MBR device 18 is connected to the fan 17 through a pipeline.

[0029] The advanced oxidation tank 7 and the stabilization tank 8 are separated by a partition, and a pipe connecting the advanced oxidation tank 7 and the stabilization tank 8 is arranged on the partition. An ozone microbubble releasing device 20 is arranged in the advanced oxidation tank 7, and the ozone microbubble releasing device 20 is connected to the ozone microbubble generating device 21. The advanced oxidation tank 7 is connected to the MBR outlet pump 19 through a pipe.

[0030] An ozone tail gas destroyer 22 is provided at the upper end of the advanced oxidation tank 7 and the stabilization tank 8, and the top of the advanced oxidation tank 7 and the stabilization tank 8 is connected to the ozone tail gas destroyer 22 through a pipeline.

[0031] The activated carbon adsorption pool 9 and the water production pool 10 are separated by a partition and a water outlet is provided on the partition. Granular activated carbon 23 is provided in the activated carbon adsorption pool 9, and the water production pool 10 is connected to the water outlet pump 24 through a pipeline.

[0032] The in-situ remediation water treatment device for black and odorous water bodies of the present invention also includes an electrically controlled ozone room 25 and a machine pump room 26, wherein an electric control cabinet 27 and an ozone microbubble generator 21 are arranged in the electrically controlled ozone room 25, and a fan 17, an MBR outlet pump 19, an inlet pump 12 and an outlet pump 24 are arranged in the machine pump room 26.

[0033] In the utility model, the initial TOC of the wastewater to be treated is 0-1000ppm, the allowed pH range is 6-9, the ozone addition concentration is 0-500ppm, and the wastewater treatment capacity of the device is 0-200m 3 / d.

[0034] The working principle of the practical in-situ remediation water treatment device for black and odorous water bodies is as follows: the black and odorous water body enters the grille pool 2 of the container-type rectangular box body 1 through the water inlet pump 12, and the solid impurities with larger particles in the sewage are removed through the mechanical grille 11. The effluent from the grille pool 2 enters the regulating pool 3 through the water hole, and the effluent from the regulating pool 3 overflows to the biochemical anoxic pool 4 and the biochemical aerobic pool 5 in turn to achieve biodegradation of organic matter. Suspended fillers are arranged in the biochemical anoxic pool 4 and the biochemical aerobic pool 5 to increase the biomass, and the fan 17 and the aeration device provide suitable dissolved oxygen for the organisms. The effluent from the biochemical aerobic pool 5 overflows to the MBR membrane pool 6, and solid-liquid separation is achieved under the action of the MBR device 18. The effluent from the MBR membrane pool 6 enters the advanced oxidation pool 7 through the MBR effluent pump 19, and the contact and mixing of ozone microbubbles and sewage is achieved through the ozone microbubble generator 21 and the ozone microbubble release device 20, thereby further degrading organic pollutants in the water. The effluent from the advanced oxidation pool 7 enters the stabilization pool 8 through a pipeline to further eliminate unreacted ozone. The effluent from the stabilization pool 8 enters the activated carbon adsorption pool 9 through a pipeline. The sewage is treated with activated carbon adsorption to further reduce the concentration of organic matter to ensure the effluent quality. The effluent from the activated carbon adsorption pool 9 overflows into the water production pool 10, and the water production pool 10 is discharged in compliance with the standards through the effluent pump 24.

[0035] The utility model provides a water treatment device for in-situ repair of black and odorous water bodies, which adopts AO+MBR+ozone oxidation+activated carbon combined process, that is, on the basis of the commonly used biological+membrane separation technology, an advanced oxidation deep treatment process is added, which solves the problem of high content of difficult-to-degrade organic matter and toxic substances in the effluent of the traditional biological treatment process; in order to improve the effluent water quality, the utility model adopts an ozone microbubble generator in the deep treatment process, and the strong oxidizing effect of the ozone microbubble decomposes the difficult-to-degrade organic matter in the MBR effluent, mineralizes or decomposes the large-molecule organic matter into small-molecule organic matter so as to be adsorbed and removed in the activated carbon unit, and at the same time, the activated carbon can effectively quench the residual oxides in the water to avoid affecting the effluent water quality; compared with the traditional centralized treatment that requires the planning of sewage pipe network, occupies a large area and has high investment cost, the utility model has a high degree of integration, a small footprint and a good purification effect.

[0036] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent replacement and improvement of the above embodiments made according to the technical essence of the present invention, within the spirit and principles of the present invention, without departing from the content of the technical solution of the present invention, still fall within the protection scope of the technical solution of the present invention.

Claims

1. A water treatment device for in-situ remediation of black and odorous water, characterized in that: It includes a container-type rectangular box and a grille pool, a regulating pool, a biochemical anoxic pool, a biochemical aerobic pool, an MBR membrane pool, an advanced oxidation pool, a stabilization pool, an activated carbon adsorption pool and a water production pool arranged in the container-type rectangular box. The grille pool is arranged on the upper side of the regulating pool, and the regulating pool, the biochemical anoxic pool, the biochemical aerobic pool, the MBR membrane pool, the advanced oxidation pool, the stabilization pool, the activated carbon adsorption pool and the water production pool are connected in sequence.

2. The in-situ remediation water treatment device for black and odorous water bodies according to claim 1 is characterized by: The grid pool and the regulating pool are separated by a partition plate, and a water outlet is arranged on the partition plate. A mechanical grid is arranged in the grid pool, and the grid pool is connected to a water inlet pump through a pipeline.

3. The in-situ remediation water treatment device for black and odorous water bodies according to claim 1 is characterized by: The biochemical anoxic pool, the biochemical aerobic pool and the MBR membrane pool are separated by a partition, and a water outlet is arranged on the partition.

4. The in-situ remediation water treatment device for black and odorous water bodies according to claim 3 is characterized by: The biochemical anoxic pool is provided with a first suspended filler and a first aeration device, and the first aeration device is connected to the fan through a pipeline.

5. The in-situ remediation water treatment device for black and odorous water bodies according to claim 3 is characterized by: The biochemical aerobic pool is provided with a second suspended filler and a second aeration device, and the second aeration device is connected to the fan through a pipeline.

6. The in-situ remediation water treatment device for black and odorous water bodies according to claim 3 is characterized by: The MBR membrane pool is provided with an MBR device, the water outlet of the MBR device is connected to the MBR water outlet pump through a pipeline, and the air inlet of the MBR device is connected to the fan through a pipeline.

7. The in-situ remediation water treatment device for black and odorous water bodies according to claim 1 is characterized by: The advanced oxidation tank and the stabilization tank are separated by a partition, a pipeline connecting the advanced oxidation tank and the stabilization tank is arranged on the partition, an ozone microbubble releasing device is arranged in the advanced oxidation tank, the ozone microbubble releasing device is connected to the ozone microbubble generating device, and the advanced oxidation tank is connected to the MBR outlet pump through a pipeline.

8. The in-situ remediation water treatment device for black and odorous water bodies according to claim 7 is characterized by: An ozone tail gas destroyer is arranged at the upper end of the advanced oxidation tank and the stabilization tank, and the top of the advanced oxidation tank and the stabilization tank is connected to the ozone tail gas destroyer through a pipeline.

9. The in-situ remediation water treatment device for black and odorous water bodies according to claim 1 is characterized by: The activated carbon adsorption pool and the water production pool are separated by a partition plate, and a water outlet is arranged on the partition plate. Granular activated carbon is arranged in the activated carbon adsorption pool, and the water production pool is connected to the water outlet pump through a pipeline.

10. The in-situ remediation water treatment device for black and odorous water bodies according to claim 1 is characterized by: It also includes an electrically controlled ozone room and a machine pump room. The electric control cabinet and the ozone microbubble generator are arranged in the electrically controlled ozone room, and the fan, MBR outlet pump, inlet pump and outlet pump are arranged in the machine pump room.

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