• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention discloses a vertical-circulation type tubular oxidation ditch tank with upper and lower flows. The vertical-circulation type tubular oxidation ditch tank includes two oxidation ditch channels arranged side by side, a connection pipeline for serially communicating the two oxidation ditch channels, and water inlet and outlet provided on the oxidation ditch channels, forming an integral circulation oxidation ditch; the two oxidation ditch channels are arranged on upper and lower layers ; each oxidation ditch channel is composed of at least one horizontal tank body in series connection; and a flow booster and/or a flow booster lift pump and/or a surface aerator is disposed in the circulation oxidation channel and/or pipeline. The invention has a small floor area, convenient manufacturing and convenient transportation, and effectively solves problems of large short-term flow of rural sewage and poor flow state of a water flow in an existing sewage treatment apparatus.
    公开号:NL2025286A
    申请号:NL2025286
    申请日:2020-04-06
    公开日:2021-02-01
    发明作者:Ling Jianjun；Zhang Dong
    申请人:Lingzhi Environmental Prot Co Ltd；Jiangsu Lingzhi Environmental Prot Ltd；Jiangsu Lingzhi Environmental Prot Equipment Co Ltd；Lingzhi Environmental Prot Linquan Co Ltd；Wuxi Mojin Environmental Protection Tech Co Ltd；Jiangsu Palo Alto Research Institute Of Environmental Protection Tech Co Ltd；
    IPC主号:
    专利说明:

    Vertical-circulation type tubular oxidation ditch tank with upper and lower flows Technical Field The present invention relates to the field of sewage treatment, and in particular to the field of upgrade and reconstruction of rural domestic sewage, urban domestic sewage and industrial sewage. The present invention may also be applied to emergency treatment of a riverway, and emergency treatment, upgrade and reconstruction of a pump station.
    Background At present, a main treatment difficulty of rural domestic sewage lies in an unstable flow in a whole day. For less than 4 h in morning, afternoon and evening, a 20-h water amount is discharged, and sewage discharge accounts for 50%-80% of water consumption. In this sense, an impact resistance of a device is highly demanding, and a regulating tank and a pump station are needed, so that a civil construction cost and a device cost are high.
    Next, dwellings of rural residents are dispersed, and a drainage facility in a rural area is incomplete, so an appropriate sewage treatment region is selected according to differing conditions in a treatment process, and a floor area of a sewage treatment device needs to be reduced as much as possible.
    In the emergency treatment of the riverway, the urban riverway is an important carrier to maintain an urban ecological balance, optimize an urban landscape and improve a living environment, but a dam on the riverway makes a flowability of the riverway become poor, and a static water body with an insufficient self-purification capacity in a dry season can only flow out of the riverway in a flood season. In case of a serious pollution event such as the riverway outbreaks blue algae and becomes malodorous black and weedy, such an event is harmful to the urban landscape, destroys an urban image and even affects a living condition of the residents along the riverway, thus directly posing a threat to a living environment and an ecological health of people.
    A content of dissolved oxygen in river water is an important indicator to reflect a polluted status of the water body; and a change process of a concentration of the 1 dissolved oxygen in the polluted water body reflects a self-purification process of the river.
    When the water body has the dissolved oxygen, an organic matter in the river water is often decomposed by aerobic bacteria, so that the content of dissolved oxygen in the water is reduced to make the concentration lower than a saturated value; however, the oxygen in an atmosphere of a water surface is dissolved into the river water to compensate the consumed oxygen.
    If the content of organic matter in the river water is high, the consumption of the dissolved oxygen is too quick, the oxygen in the atmosphere is supplied insufficiently, the dissolved oxygen in the water body is reduced gradually to be used up, and thus the balance of a water ecosystem is affected.
    After the dissolved oxygen in the river water is used up, the river is in an oxygen-free state, the decomposition of the organic matter is converted from aerobic decomposition to anaerobic decomposition, the water quality is deteriorated, and even a malodorous black phenomenon occurs.
    At this time, the water ecosystem is destroyed seriously and cannot be recovered independently.
    Therefore, the dissolved oxygen plays a very important role in the self-purification process of the river water.
    The existing rural emergency sewage treatment device is complex, large in floor area and high in maintenance and operation expense, and cannot be effectively applied to the field of rural emergency treatment, and moreover, the device has a slow effect, and neither copies with a burst environmental water pollution event nor treats a polluted water body in real time and in situ.
    The above technical problem of the sewage hasn't been addressed effectively all the time.
    Summary An objective of the present invention is to provide a vertical-circulation type tubular oxidation ditch tank with upper and lower flows, which has a small floor area, convenient manufacturing and convenient transportation, may effectively solve problems of a large short-term flow of rural sewage and a poor flow state of a water flow in an existing sewage treatment apparatus, does not need to increase a regulating tank, a pump station and a primary sedimentation tank by using an oxidation ditch technique, and is simple in structure and convenient for an industrial application.
    To achieve the above objective of the present invention, a technical solution of the present invention is as follows: a vertical-circulation type tubular oxidation ditch 2 tank with upper and lower flows includes two oxidation ditch channels arranged side by side, a connection pipeline for serially communicating the two oxidation ditch channels, and water inlet and outlet provided on the oxidation ditch channels, to form an integral circulation oxidation ditch; the two oxidation ditch channels are arranged on upper and lower layers on a height direction; each oxidation ditch channel is composed of at least one horizontal tank body in series connection; and a flow booster and/or a flow booster lift pump and/or a surface aerator is disposed in the circulation oxidation channel and/or pipeline.
    As a preferable embodiment, a micropore aeration apparatus is disposed on a bottom of the lower oxidation ditch channel.
    As a preferable embodiment, the upper oxidation ditch channel is provided with one or more groups of Membrane Bioreactors (MBRs).
    As a preferable embodiment, the micropore aeration apparatus is one or a combination of a perforated aeration apparatus, a tubular aeration apparatus, a platy aeration apparatus, and a disc aeration apparatus.
    As a preferable embodiment, the surface aerator is one or a combination of a rotating disc surface aerator, an inverted-umbrella type surface aerator, a rotating brush surface aerator, and a flow boosting and oxygenating integrated machine.
    As a preferable embodiment, a support platform is disposed on a bottom of an outer wall of the oxidation ditch channel on the lower layer.
    As a preferable embodiment, a reinforced support plate/column/frame is disposed between the tank body forming the upper oxidation ditch channel and the tank body forming the lower oxidation ditch channel.
    As a preferable embodiment, the tank body has an oval or circular cross section and is made of a steel plate or plastic.
    As a preferable embodiment, the connection pipe includes at least one segment of elbow, and a connection manner between the elbow and the elbow and between the elbow and the tank body is one or a combination of welding, flanged connection, flange telescopic device connection and rubber soft connection.
    The present invention has the following beneficial effects: (1) Multiple tank bodies are arranged on an upper layer and a lower layer to combine into a circulation oxidation ditch, so the combination is simple and quick, a worker may directly assemble in a production workshop, and the transportation is convenient; with the adoption of an oxidation ditch structure, problems that a flow of 3 rural sewage in short time is large, an impact strength is large, and sewage and rainwater in a rural area are not diverted are solved; and the addition of a regulating tank, a pump station and a primary sedimentation tank turns out to be unnecessary, thus greatly reducing a civil construction cost and a device cost.
    (2) Each tank body has an oval or circular cross section. Since the sewage has a stickiness, when the sewage flows in a certain solid boundary, the sewage is blocked and disturbed by a wall surface of the solid boundary to generate a flowing resistance in a water flow; by the use of the tank body having the oval or circular cross section, the flowing resistance of the water flow is small. Therefore, a better water flow status is achieved, and a treatment efficiency of the oxidation ditch is improved. (3) A surface aerator and an MBR are installed in an oxidation ditch channel; as a result, an MBR flat membrane is washed laterally with water flowing in a circulation channel of the oxidation ditch to take a certain cleaning effect for a membrane surface on one hand; and on the other hand, the surface aerator has a certain flow boosting effect, thus enhancing the water flowing, further improving the cleaning effect to the membrane surface, saving an energy consumption, and improving an aeration effect. (4) A flow booster and/or a flow booster lift pump and/or a surface aerator is disposed in the circulation oxidation channel and/or pipeline. By virtue of the flow booster and/or the flow booster lift pump, the sewage in the oxidation ditch channel on a bottom layer may be boosted and lifted to the upper oxidation ditch channel, so that water circulation between upper and lower oxidation ditch channels is implemented, and the operation of the oxidation ditch process is guaranteed. Brief Description of the Drawings Fig. 1 is a schematic diagram of Embodiment 1. Fig. 2 is a schematic diagram illustrating connection of a first pipeline. Fig. 3 is a schematic diagram illustrating connection of a second pipeline. Fig. 4 is a schematic diagram illustrating connection of a third pipeline. Fig. 5 is a schematic diagram illustrating connection of a fourth pipeline. Fig. 6 is a schematic diagram illustrating connection of a fifth pipeline. Fig. 7 is a schematic diagram illustrating connection of a sixth pipeline. Fig. 8 is a schematic diagram illustrating connection of a seventh pipeline. Fig. 9 is a schematic diagram illustrating connection of an eighth pipeline. 4
    Fig. 10 is a schematic diagram illustrating connection of a ninth pipeline. Detailed Description of the Embodiments The technical solution in embodiments of the present invention is described below clearly and completely in combination with accompanying drawings.
    Embodiment 1 As shown in Fig. 1, a vertical-circulation type tubular oxidation ditch tank with upper and lower flows includes an upper oxidation ditch channel 1 and a lower oxidation ditch channel 2 arranged side by side, a connection pipeline 3 for serially communicating the two oxidation ditch channels, and a water inlet 4 and a water outlet 5 provided on the oxidation ditch channels, to form an integral circulation oxidation ditch; the two oxidation ditch channels are arranged on upper and lower layers on a height direction; each oxidation ditch channel is a horizontal tank body 6; the horizontal tank body 6 has a circular or oval cross section, and is made of a steel plate; a flow booster 7 is disposed in the connection pipeline 3 for communicating the two oxidation ditch channels; the upper horizontal tank body 1 is an aerobiotic region, and is provided with a group of rotating disc surface aerators 8 and MBRs 9 inside; the lower oxidation ditch channel 2 is an anaerobic region or a facultative aerobic region, and is provided with a micropore aeration apparatus 10 on a bottom; and a support platform 11 is disposed on a bottom of an outer wall of the lower oxidation ditch channel 2.
    Sewage enters from the left water inlet of the upper tank body; after a water level in the whole apparatus reaches to a specified water level, the rotating disc surface aerator 8 and the flow booster 7 are started, so that the internal sewage forms an oxidation ditch type circulation, and the rotating disc surface aerator 8 in the upper tank body aerates and oxygenates the upper sewage. In combination with the aeration apparatus of the MBR 9, the water body on the whole upper layer aerates fully, and an aerobiotic reaction is violent and efficient. As oxygen in the water often flows out of the water body from the bottom up, an oxygen level of the sewage in the lower tank body is maintained at a further relatively low level all the time to form a good anaerobic/facultative aerobic reaction region; and therefore, the anaerobic region may form without additionally providing other structures, thus greatly reducing a manufacturing cost and a floor area.
    Embodiment 2 5
    As shown in Fig. 2, referring to Embodiment 1, the rest of characteristics keep unchanged, and the connection pipeline includes four segments of elbows 31; two segments are distributed on certain sides of the upper and lower oxidation ditch channels, and the other two segments are distributed on the other sides of the upper and lower oxidation ditch channels; the elbows 31 are fixed with the horizontal tank body 6 by means of welding; two segments of elbows 31 on a same side are connected via a pair of flanges 12, and a same pair of flanges 12 are connected via a flange telescopic joint 13. The flange telescopic joint has a certain displacement to facilitate the installation, and may bear an axial pressure of the pipeline; during installation and maintenance, the flange telescopic joint may be adjusted according to an installation size on the site; and in work, the working efficiency is improved, and a certain protective effect is taken for a pipeline device such as a pump and a valve.
    Embodiment 3 As shown in Fig. 3, referring to Embodiments 1 and 2, the rest of characteristics keep unchanged, and a reinforced support column 14 is disposed between the horizontal tank body 6 forming the upper oxidation ditch channel 1 and the horizontal tank body 6 forming the lower oxidation ditch channel 2.
    Embodiment 4 As shown in Fig. 4, referring to Embodiments 1 and 2, the rest of characteristics keep unchanged, and a reinforced support frame 15 is installed on the support platform 11; and an upper plane of the reinforced support frame 15 supports the horizontal tank body 6 of the upper oxidation ditch channel 1. Embodiment 5 As shown in Fig. 5, referring to Embodiments 1 and 2, the rest of characteristics keep unchanged, and a reinforced support plate 16 is disposed between the horizontal tank body 6 forming the upper oxidation ditch channel 1 and the horizontal tank body 6 forming the lower oxidation ditch channel 2. Embodiment 6 As shown in Fig. 6, referring to Embodiment 1, the rest of characteristics keep unchanged, and the connection pipeline includes four segments of elbows 31; two segments are distributed on certain sides of the upper and lower oxidation ditch channels, and the other two segments are distributed on the other sides of the upper and lower oxidation ditch channels; the elbows are fixed with the tank body by means of welding; and two segments of elbows on a same side are connected via a pair of 6 flanges 12. Embodiment 7 As shown in Fig. 7, referring to Embodiments 1 and 6, the rest of characteristics keep unchanged, and a reinforced support column 14 is disposed between the horizontal tank body 6 forming the upper oxidation ditch channel 1 and the horizontal tank body 6 forming the lower oxidation ditch channel 2. Embodiment 8 As shown in Fig. 8, referring to Embodiments 1 and 6, the rest of characteristics keep unchanged, and a reinforced support frame 15 is installed on the support platform 11; and an upper plane of the reinforced support frame 15 supports the horizontal tank body 6 of the upper oxidation ditch channel 1. Embodiment 9 As shown in Fig. 9, referring to Embodiments 1 and 6, the rest of characteristics keep unchanged, and a reinforced support plate 16 is disposed between the horizontal tank body 6 forming the upper oxidation ditch channel 1 and the horizontal tank body 6 forming the lower oxidation ditch channel 2. Embodiment 10 As shown in Fig. 10, referring to Embodiment 1, the rest of characteristics keep unchanged, and the connection pipeline includes four segments of elbows 31; two segments are distributed on certain sides of the upper and lower oxidation ditch channels, and the other two segments are distributed on the other sides of the upper and lower oxidation ditch channels; the elbows 31 are fixed with the horizontal tank body 6 by means of welding; and two segments of elbows 31 on a same side are also connected by means of the welding.
    7
    权利要求:
    Claims (9)
    [1]
    1. A vertical circulation tank of the tubular oxidation trench type with upper and lower flows, comprising two side-by-side oxidation trench channels, a connecting line for serial communication of the two oxidation trench channels and a water inlet and outlet provided on the oxidation trench channels to provide integral circulation. oxidation trench, in which the two oxidation trench channels on the top and bottom layers are arranged in the height direction, each oxidation trench consists of at least one horizontal reservoir connected in series, and a flow booster and / or a flow booster lift pump and / or a surface aerator in the circulation oxidation channel and / or pipe is installed.
    [2]
    The vertical circulation tank of the tubular oxidation trench type with the upper and lower flows according to claim 1, wherein a micropore aerator is disposed on a bottom of the lower oxidation trench channel.
    [3]
    The upper and lower flow tubular oxidation trench vertical circulation tank according to claim 1, wherein the upper oxidation lock channel includes one or more groups of Membrane Bioreactors (MBRs).
    [4]
    The vertical circulation tank of the top and bottom stream tubular oxidation trench type according to claim 2, wherein the micropore aerator is one or a combination of a perforated aerator, a tube aerator, a plate aerator, and a disc aerator.
    [5]
    The vertical circulation tank of the top and bottom stream tubular oxidation trench type according to claim 1, wherein the surface aerator is one or a combination of a rotating disc surface aerator, an inverted umbrella-like surface aerator, a rotary brush surface aerator and an integrated machine for increasing the flow and the oxygen content.
    [6]
    The vertical circulation tank of the tubular oxidation trench with the upper and lower flows according to claim 1, wherein a support platform is disposed on a bottom of an outer wall of the oxidation trough on the lower layer 8.
    [7]
    The vertical circulation tank of the tubular oxidation trench type with the upper and lower flows according to claim 1, wherein a reinforced support plate / column / frame is disposed between the tank body forming the upper oxidation trench and the tank body forming the lower oxidation trench.
    [8]
    The vertical circulation tank of the tubular oxidation trench type with the upper and lower flows according to claim 1, wherein the tank housing has an oval or round cross-section and is made of a steel plate or plastic.
    [9]
    The vertical circulation tank of the tubular oxidation trench type with the upper and lower flows according to claim 1, wherein the connecting pipe comprises at least one segment of the bend and a connection means between the bend and the elbow and between the bend and the tank body one or more combination of welding, flange connection, flange connection and rubber soft connection.
    9
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    同族专利:
    公开号 | 公开日
    CN110204046A|2019-09-06|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CN201910607123.4A|CN110204046A|2019-07-06|2019-07-06|The upper vertical ring type tubular type oxidation ditch tank that flows down|
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