CN110841340A - Improved generation vertical flow sedimentation tank - Google Patents
Improved generation vertical flow sedimentation tank Download PDFInfo
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- CN110841340A CN110841340A CN201911198021.8A CN201911198021A CN110841340A CN 110841340 A CN110841340 A CN 110841340A CN 201911198021 A CN201911198021 A CN 201911198021A CN 110841340 A CN110841340 A CN 110841340A
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 141
- 239000010865 sewage Substances 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000007790 scraping Methods 0.000 claims abstract description 16
- 239000011148 porous material Substances 0.000 claims 1
- 239000010802 sludge Substances 0.000 abstract description 64
- 230000000694 effects Effects 0.000 abstract description 14
- 238000000746 purification Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000003756 stirring Methods 0.000 abstract description 3
- 239000000084 colloidal system Substances 0.000 description 5
- 239000006228 supernatant Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
- B01D21/06—Settling tanks with single outlets for the separated liquid with moving scrapers with rotating scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
- B01D21/20—Driving mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2405—Feed mechanisms for settling tanks
- B01D21/2416—Liquid distributors with a plurality of feed points
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2444—Discharge mechanisms for the classified liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
Description
技术领域technical field
本发明涉及一种污水处理装置,具体是一种改进型竖流沉淀池。The invention relates to a sewage treatment device, in particular to an improved vertical flow sedimentation tank.
背景技术Background technique
沉淀池是一种常见的污水处理装置或系统,具有去除水中悬浮物、净化水质的功能。现有沉淀池的结构一般包括带有进水口和出水口的池体,池体内部设置有沉淀装置,池体底部设置有集泥斗。水流经进水口进入池体后,污泥在沉淀装置中沉淀并由集泥斗收集,净化后的水从出水口排出。如CN202822888U公开的一种快速水平流高效沉淀分离装置,包括上部的矩形池体和下部的锥形集泥斗,矩形池体内垂直方向布设若干排上下平行的异形斜板,异形斜板由垂直档板和上倾的斜板构成一体,异形斜板的斜板端固定在垂直隔板上,垂直挡板端固定在垂直隔条上,上下相邻的两块平行的异形斜板与垂直隔板构成一个水平的过流通道,过流通道的横截面形状是平行四边形,上下两块异形斜板的垂直挡板间留有排泥口,两排异形斜板以垂直隔板轴对称布设形成一异形斜板组,相邻两异形斜板组的垂直隔条间区域设置为排泥通道,上下两块异形斜板的垂直挡板间的排泥口连通排泥通道,本装置结构紧凑,体积小,占地空间小,水与悬浮物的分离快速、彻底、高效。现有沉淀池只是通过集泥斗简单收集污泥,由于污泥的粘度较大,易粘附和堆积在沉淀装置和集泥斗内,致使污泥不能及时、有效排出,影响排泥的连续性和排泥效率。Sedimentation tank is a common sewage treatment device or system, which has the function of removing suspended solids in water and purifying water quality. The structure of the existing sedimentation tank generally includes a tank body with a water inlet and a water outlet, a sedimentation device is arranged inside the tank body, and a mud collecting bucket is arranged at the bottom of the tank body. After the water flows into the pool through the water inlet, the sludge is settled in the sedimentation device and collected by the sludge collecting bucket, and the purified water is discharged from the water outlet. As disclosed in CN202822888U, a fast horizontal flow high-efficiency precipitation and separation device includes an upper rectangular tank body and a lower conical mud collecting bucket. Several rows of upper and lower parallel special-shaped inclined plates are arranged in the vertical direction of the rectangular tank body. The plate and the inclined plate are integrated, the inclined plate end of the special-shaped inclined plate is fixed on the vertical partition, the vertical baffle end is fixed on the vertical partition, and the two parallel special-shaped inclined plates and the vertical partition are adjacent to each other up and down. A horizontal overflow channel is formed. The cross-sectional shape of the overflow channel is a parallelogram. There is a mud discharge port between the vertical baffles of the upper and lower special-shaped inclined plates. The two rows of special-shaped inclined plates are arranged axially symmetrically with the vertical partitions to form a For the special-shaped inclined plate group, the area between the vertical spacers of the adjacent two special-shaped inclined plate groups is set as a mud discharge channel, and the mud discharge port between the vertical baffles of the upper and lower special-shaped inclined plate groups is connected to the mud discharge channel. Small, small footprint, fast, thorough and efficient separation of water and suspended solids. The existing sedimentation tank simply collects the sludge through the sludge collecting hopper. Due to the high viscosity of the sludge, it is easy to adhere and accumulate in the sedimentation device and the sludge collecting hopper, so that the sludge cannot be discharged in time and effectively, which affects the continuous discharge of the sludge. performance and sludge removal efficiency.
发明内容SUMMARY OF THE INVENTION
本发明所要解决的技术问题是,针对现有技术的不足,提供一种对污泥的沉淀效果好、排泥的连续性和排泥效率高的改进型竖流沉淀池。The technical problem to be solved by the present invention is to provide an improved vertical flow sedimentation tank with good sludge sedimentation effect, high sludge discharge continuity and high sludge discharge efficiency, aiming at the deficiencies of the prior art.
本发明解决上述技术问题所采用的技术方案为:一种改进型竖流沉淀池,包括池体,所述的池体上设置有进水口和出水口,所述的池体底部设置有上大下小的锥形的泥斗,所述的池体内设置有刮泥装置,所述的刮泥装置包括驱动装置、中心传动轴和刮板,所述的中心传动轴与所述的驱动装置的输出端相连,所述的刮板固定在所述的中心传动轴上,所述的刮板位于所述的泥斗的内侧,所述的泥斗的底部开设有排泥口。The technical solution adopted by the present invention to solve the above technical problems is: an improved vertical flow sedimentation tank, comprising a tank body, the tank body is provided with a water inlet and a water outlet, and the bottom of the tank body is provided with an upper large A small conical mud hopper is installed, and a mud scraping device is arranged in the tank body. The mud scraping device includes a driving device, a central transmission shaft and a scraper. The central transmission shaft and the driving device The output ends are connected, the scraper is fixed on the central drive shaft, the scraper is located inside the mud bucket, and the bottom of the mud bucket is provided with a mud discharge port.
本发明竖流沉淀池,其池体内设置有刮泥装置,在污水处理过程中,驱动装置可带动中心传动轴缓慢旋转,刮板可对作为污泥浓缩区的泥斗内的污泥起刮研和搅动作用,增加污泥的流动性,使污泥能够自排泥口持续顺利排出,避免污泥堵塞情况,对污泥的沉淀效果好,保证排泥的连续性和排泥效率,确保水质净化效果。The vertical flow sedimentation tank of the present invention is provided with a mud scraping device in the tank body. During the sewage treatment process, the driving device can drive the central transmission shaft to rotate slowly, and the scraper can scrape the sludge in the mud bucket as the sludge concentration area. Grinding and stirring action increases the fluidity of the sludge, so that the sludge can be continuously and smoothly discharged from the sludge discharge port, avoiding the blockage of the sludge, and has a good sedimentation effect on the sludge, ensuring the continuity and efficiency of sludge discharge. Water purification effect.
作为优选,所述的刮泥装置包括若干斜板,所述的若干斜板分别经若干连杆与所述的中心传动轴固定连接,每块所述的斜板平行于所述的泥斗的内侧面设置,每块所述的斜板与所述的泥斗的内侧面之间具有间隙。上述若干斜板的设置,在保证刮泥效果的同时,具有一定的导流作用,可促进污泥流向排泥口。Preferably, the mud scraping device includes a plurality of inclined plates, and the plurality of inclined plates are respectively fixedly connected with the central transmission shaft through a plurality of connecting rods, and each of the inclined plates is parallel to the mud bucket. The inner side surface is arranged, and there is a gap between each of the inclined plates and the inner side surface of the mud bucket. The arrangement of the above-mentioned several inclined plates not only ensures the mud scraping effect, but also has a certain diversion effect, which can promote the mud flow to the mud discharge port.
作为优选,所述的池体内固定有直立设置的中心筒、套筒和翻泥箱,所述的套筒套设在所述的中心筒的外侧,所述的套筒与所述的中心筒围成一封闭的环腔,所述的进水口和所述的出水口分别位于所述的池体的上部,所述的进水口处横穿有进水管,所述的进水管与所述的环腔相通,所述的中心筒的下部开口,所述的中心筒的侧壁上开设有多个通孔,所述的中心筒的内腔经所述的多个通孔与所述的环腔相通,所述的中心筒套设在所述的中心传动轴的外侧,所述的翻泥箱架设在所述的泥斗的上方,所述的翻泥箱的外侧面与所述的池体的内侧面围成一环形通道,所述的翻泥箱的上部开口,所述的中心传动轴的下部穿过所述的翻泥箱伸入所述的泥斗内,所述的套筒和所述的中心筒的下部分别伸入所述的翻泥箱的底部,使用时,自进水管引入环腔的污水经由多个通孔进入中心筒的内腔并从中心筒的下部不断流入翻泥箱。利用重力原理,污水中的泥、絮状物、胶体等缓慢沉积在翻泥箱的中下部,上清液自翻泥箱上部溢出并在池体内积聚,随池体内水位不断升高,水最终从出水口流出池体。随着泥、絮状物、胶体等在翻泥箱中的堆积,在翻泥箱内形成了一层“天然的过滤层”,对后续不断进入翻泥箱内的污水起到过滤作用,将泥和污染物过滤拦截,起到了一定的水质净化作用,提高了污水竖流沉淀的效率。而最终随着污泥在翻泥箱内沉积得越来越多,污泥自翻泥箱上部溢出,并在其自重作用下经由环形通道不断流入泥斗内。中心筒、套筒和翻泥箱配合使用,可使污水的流动更集中,污水能够集中引入翻泥箱,在翻泥箱中经过自然沉降后,上清液先排出。在污水处理初期,翻泥箱内以泥水混合物为主,随翻泥箱内沉积的污泥量增多,上清液先从翻泥箱上部溢出,而翻泥箱内的污泥累积到一定量时也会从翻泥箱上部溢出。Preferably, an upright center cylinder, a sleeve and a dredging box are fixed in the tank body, the sleeve is sleeved on the outer side of the center cylinder, and the sleeve is connected to the center cylinder. A closed annular cavity is formed, the water inlet and the water outlet are respectively located on the upper part of the pool body, the water inlet is crossed with a water inlet pipe, and the water inlet pipe is connected with the water inlet pipe. The ring cavity is communicated, the lower part of the central cylinder is open, the side wall of the central cylinder is provided with a plurality of through holes, and the inner cavity of the central cylinder is connected to the ring through the plurality of through holes. The cavities communicate with each other, the central cylinder is sleeved on the outer side of the central transmission shaft, the mud dump box is erected above the mud bucket, and the outer side of the mud dump box is connected to the pool. The inner side of the body is surrounded by an annular channel, the upper part of the dump box is open, the lower part of the central drive shaft extends into the mud bucket through the dump box, and the sleeve and the lower part of the center cylinder respectively protrude into the bottom of the mud dump box. When in use, the sewage introduced into the annular cavity from the water inlet pipe enters the inner cavity of the center cylinder through a plurality of through holes and flows continuously from the lower part of the center cylinder. Dump the mud box. Using the principle of gravity, the mud, flocs, colloids, etc. in the sewage are slowly deposited in the middle and lower parts of the mud turning box, and the supernatant overflows from the upper part of the mud turning box and accumulates in the tank. The tank body flows out from the water outlet. With the accumulation of mud, flocs, colloids, etc. in the mud turning box, a "natural filter layer" is formed in the mud turning box, which plays a role in filtering the sewage that continuously enters the mud turning box. Mud and pollutants are filtered and intercepted, which plays a certain role in water purification and improves the efficiency of vertical flow sedimentation of sewage. In the end, as more and more sludge is deposited in the dredging box, the sludge overflows from the upper part of the dredging box, and continuously flows into the mud bucket through the annular channel under the action of its own weight. The central cylinder, the sleeve and the dredging box are used together to make the flow of sewage more concentrated, and the sewage can be introduced into the dredging box in a centralized manner. After natural settlement in the dredging box, the supernatant is discharged first. In the early stage of sewage treatment, the mud-water mixture is the main material in the mud-turning box. As the amount of sludge deposited in the mud-turning box increases, the supernatant first overflows from the upper part of the mud-turning box, and the sludge in the mud-turning box accumulates to a certain amount. It will also overflow from the top of the dump box.
进一步地,所述的翻泥箱的外侧固定有若干第一支撑横杆,所述的翻泥箱通过所述的若干第一支撑横杆固定在所述的池体的底部,所述的翻泥箱的内侧固定有若干第二支撑横杆,每根所述的第二支撑横杆的两端分别固定在所述的套筒和所述的翻泥箱上。第一支撑横杆和第二支撑横杆可提高翻泥箱的强度并方便翻泥箱的安装。Further, a plurality of first support bars are fixed on the outside of the mud dump box, and the mud dump box is fixed on the bottom of the pool body through the plurality of first support bars. A plurality of second support bars are fixed on the inner side of the mud box, and both ends of each of the second support bars are respectively fixed on the sleeve and the mud dump box. The first support cross bar and the second support cross bar can improve the strength of the dump box and facilitate the installation of the dump box.
作为优选,所述的中心筒的下部与一布水装置相连通,所述的布水装置悬设在所述的翻泥箱内,使用时,中心筒内的污水流经布水装置进入翻泥箱内。布水装置起布水作用外,还对翻泥箱内的污泥起到一定的涌动作用,促使多余的污泥从翻泥箱的上部溢出并落入环形通道和泥斗内被浓缩,从而提高排泥的连续性。Preferably, the lower part of the central cylinder is communicated with a water distribution device, and the water distribution device is suspended in the mud turning box. When in use, the sewage in the central cylinder flows through the water distribution device and enters the turning inside the mudbox. In addition to the function of water distribution, the water distribution device also plays a certain surging effect on the sludge in the mud dump box, so that the excess sludge overflows from the upper part of the mud dump box and falls into the annular channel and the mud bucket to be concentrated. Thereby improving the continuity of sludge discharge.
进一步地,所述的布水装置包括以所述的中心传动轴为中心的水平设置的偶数根布水管,每根所述的布水管上开设有多个布水孔,所述的多个布水孔沿每根所述的布水管的长度方向间隔设置,以保证均匀布水效果。Further, the water distribution device includes an even number of water distribution pipes arranged horizontally around the central drive shaft, each of the water distribution pipes is provided with a plurality of water distribution holes, and the plurality of water distribution pipes are provided. The water holes are arranged at intervals along the length direction of each of the water distribution pipes to ensure a uniform water distribution effect.
作为优选,随着离所述的中心传动轴的距离逐渐增大,每根所述的布水管上的布水孔的孔径逐渐增大。因水处理过程中,污水自翻泥箱中部流入,采用上述孔径逐渐增大的布水孔的设计,有利于进一步保证布水均匀。Preferably, as the distance from the central transmission shaft increases gradually, the diameter of the water distribution holes on each of the water distribution pipes gradually increases. In the process of water treatment, sewage flows in from the middle of the dredging box, and the above-mentioned design of water distribution holes with gradually increasing apertures is beneficial to further ensure uniform water distribution.
作为优选,所述的多个布水孔开设在每根所述的布水管的下部,所述的多个布水孔以过每根所述的布水管中心线的纵剖面为中心对称设置,也可以提高布水的均匀性。Preferably, the plurality of water distribution holes are opened at the lower part of each of the water distribution pipes, and the plurality of water distribution holes are symmetrically arranged around the longitudinal section passing through the center line of each of the water distribution pipes, It can also improve the uniformity of water distribution.
作为优选,所述的池体内设置有筒状的溢水堰,所述的溢水堰设置在所述的池体内侧的上部,所述的溢水堰的外径小于所述的池体的内径,所述的溢水堰的外侧面与所述的池体的内侧面围成一上部开口的环形的集水槽,所述的出水口与所述的集水槽相通。溢水堰起缓冲作用,可防止水流大量涌向出水口,保证水处理效果。Preferably, the tank body is provided with a cylindrical overflow weir, the overflow weir is arranged on the upper part of the inner side of the tank body, and the outer diameter of the overflow weir is smaller than the inner diameter of the tank body, so The outer side of the overflow weir and the inner side of the pool body form an annular water collecting tank with an upper opening, and the water outlet communicates with the water collecting tank. The overflow weir acts as a buffer, which can prevent a large amount of water from rushing to the water outlet and ensure the water treatment effect.
作为优选,所述的溢水堰的上边缘设置有一圈锯齿,起到进一步的缓冲作用。Preferably, the upper edge of the overflow weir is provided with a circle of saw teeth to further buffer.
与现有技术相比,本发明具有如下优点:本发明公开的改进型竖流沉淀池,其池体内设置有刮泥装置,在污水处理过程中,驱动装置可带动中心传动轴缓慢旋转,刮板可对作为污泥浓缩区的泥斗内的污泥起刮研和搅动作用,增加污泥的流动性,使污泥能够自排泥口持续顺利排出,避免污泥堵塞情况,对污泥的沉淀效果好,保证排泥的连续性和排泥效率,确保水质净化效果。Compared with the prior art, the present invention has the following advantages: the improved vertical flow sedimentation tank disclosed in the present invention is provided with a mud scraping device in the tank body. The plate can scrape, grind and agitate the sludge in the sludge hopper, which is used as the sludge concentration area, to increase the fluidity of the sludge, so that the sludge can be continuously and smoothly discharged from the sludge discharge port, so as to avoid the sludge blockage and reduce the impact on the sludge. The sedimentation effect is good, ensuring the continuity and efficiency of sludge discharge, and ensuring the effect of water purification.
附图说明Description of drawings
图1为实施例中改进型竖流沉淀池的结构示意图;Fig. 1 is the structural representation of the improved vertical flow sedimentation tank in the embodiment;
图2为布水管上的布水孔的大小排布示意图;Fig. 2 is a schematic diagram of the size arrangement of the water distribution holes on the water distribution pipe;
图3为包含2根布水管的布水装置与中心筒和中心传动轴的连接示意图(俯视);Figure 3 is a schematic diagram (top view) of the connection between the water distribution device including two water distribution pipes, the center cylinder and the center drive shaft;
图4为包含4根布水管的布水装置与中心筒和中心传动轴的连接示意图(俯视);Figure 4 is a schematic diagram (top view) of the connection between the water distribution device including 4 water distribution pipes, the central cylinder and the central drive shaft;
图5为包含8根布水管的布水装置与中心筒和中心传动轴的连接示意图(俯视);Figure 5 is a schematic diagram (top view) of the connection between the water distribution device including 8 water distribution pipes, the central cylinder and the central transmission shaft;
图6为设有1排布水孔的布水管的横截面示意图;6 is a schematic cross-sectional view of a water distribution pipe provided with 1 water distribution hole;
图7为设有3排布水孔的布水管的横截面示意图;7 is a schematic cross-sectional view of a water distribution pipe provided with 3 water distribution holes;
图8为设有4排布水孔的布水管的横截面示意图。FIG. 8 is a schematic cross-sectional view of a water distribution pipe provided with four water distribution holes.
具体实施方式Detailed ways
以下结合附图实施例对本发明作进一步详细描述。The present invention will be further described in detail below with reference to the embodiments of the accompanying drawings.
实施例1的改进型竖流沉淀池,如图1所示,包括池体1,池体1上设置有进水口11和出水口12,池体1底部设置有上大下小的锥形的泥斗2,池体1内设置有刮泥装置,刮泥装置包括驱动装置31、中心传动轴3和刮板,中心传动轴3与驱动装置31的输出端相连,本实施例中,驱动装置31采用电机,电机31安装在池体1的顶端,刮板固定在中心传动轴3上,刮板位于泥斗2的内侧,刮板包括若干斜板4,若干斜板4分别经若干连杆41与中心传动轴3固定连接,每块斜板4平行于泥斗2的内侧面设置,每块斜板4与泥斗2的内侧面之间具有间隙42,泥斗2的底部开设有排泥口21,池池体1内设置有筒状的溢水堰13,溢水堰13设置在池体1内侧的上部,溢水堰13的外径小于池体1的内径,溢水堰13的上边缘设置有一圈锯齿14,溢水堰13的外侧面与池体1的内侧面围成一上部开口的环形的集水槽15,出水口12与集水槽15相通。The improved vertical flow sedimentation tank of Example 1, as shown in Figure 1, includes a tank body 1, the tank body 1 is provided with a
实施例1中,池体1内固定有直立设置的中心筒5、套筒6和翻泥箱7,套筒6套设在中心筒5的外侧,套筒6与中心筒5围成一封闭的环腔61,进水口11和出水口12分别位于池体1的上部,进水口11处横穿有进水管16,进水管16与环腔61相通,中心筒5的下部开口,中心筒5的侧壁上开设有多个通孔51,中心筒5的内腔经多个通孔51与环腔61相通,中心筒5套设在中心传动轴3的外侧,翻泥箱7架设在泥斗2的上方,翻泥箱7的外侧面与池体1的内侧面围成一环形通道17,翻泥箱7的上部开口,中心传动轴3的下部穿过翻泥箱7伸入泥斗2内,套筒6和中心筒5的下部分别伸入翻泥箱7的底部。In Example 1, the
实施例1中,翻泥箱7的外侧固定有若干第一支撑横杆71,翻泥箱7通过若干第一支撑横杆71固定在池体1的底部,翻泥箱7的内侧固定有若干第二支撑横杆72,每根第二支撑横杆72的两端分别固定在套筒6和翻泥箱7上。In Embodiment 1, a number of first support bars 71 are fixed on the outside of the
实施例2的改进型竖流沉淀池,与实施例1的区别在于,实施例2中,中心筒5的下部与一布水装置相连通,布水装置悬设在翻泥箱7内,使用时,中心筒5内的污水流经布水装置进入翻泥箱7内。The difference between the improved vertical flow sedimentation tank of Example 2 and Example 1 is that, in Example 2, the lower part of the
实施例2中,布水装置包括以中心传动轴3为中心的水平设置的偶数根布水管8,每根布水管8上开设有多个布水孔81,多个布水孔81沿每根布水管8的长度方向间隔设置;多个布水孔81开设在每根布水管8的下部,多个布水孔81以过每根布水管8中心线的纵剖面为中心对称设置;随着离中心传动轴3的距离逐渐增大,每根布水管8上的布水孔81的孔径逐渐增大,如图2所示。In
实施例2中,布水管8为偶数,可以为2根(如图3所示)、4根(如图4所示)、8根(如图5所示)或其他偶数根。以过每根布水管8中心线的纵剖面为中心对称设置的布水孔81的数量可以为1排(如图6所示)、3排(如图7所示)、4排(如图8所示)或其他排数。In
以实施例2的改进型竖流沉淀池进行污水处理时,自进水管16引入环腔61的污水经由多个通孔51进入中心筒5的内腔并从中心筒5的下部不断进入布水装置并通过布水孔81流入翻泥箱7。利用重力原理,污水中的泥、絮状物、胶体等缓慢沉积在翻泥箱7的中下部,上清液自翻泥箱7上部溢出并在池体1内积聚,随池体1内水位不断升高,水最终从出水口12流出池体。随着泥、絮状物、胶体等在翻泥箱7中的堆积,在翻泥箱7内形成了一层“天然的过滤层”,对后续不断进入翻泥箱7内的污水起到过滤作用,将泥和污染物过滤拦截,因此,翻泥箱7内的污泥也起到了一定的水质净化作用,提高了污水竖流沉淀的效率。而最终随着污泥在翻泥箱7内沉积得越来越多,污泥自翻泥箱7上部溢出,并在其自重作用下经由环形通道17不断流入泥斗2内。When sewage is treated with the improved vertical flow sedimentation tank of Example 2, the sewage introduced into the
在污水处理初期,翻泥箱7内以泥水混合物为主,随翻泥箱7内沉积的污泥量增多,上清液先从翻泥箱7上部溢出,而翻泥箱7内的污泥累积到一定量时也会从翻泥箱7上部溢出。翻泥箱7内的污泥实质为泥和絮状物、胶体等的混合物,随污水处理的进行,该混合物形成天然的滤层,对后续不断进入翻泥箱7内的污水起到过滤作用,将泥和污染物过滤拦截,起到了一定的水质净化作用。随着水处理的进行,水在池体1内积聚,池体1内水位不断升高,水从溢水堰13溢出,进入集水槽15内,最终从出水口12流出池体1,而溢出的污泥在其自重作用下经由环形通道17不断流入泥斗2内被浓缩,最终从排泥口21排出。图1中箭头所示为液流走线。In the initial stage of sewage treatment, the mud-water mixture is mainly in the mud-
在污水处理过程中,驱动装置31带动中心传动轴3缓慢旋转,刮板可对作为污泥浓缩区的泥斗2内的污泥起刮研和搅动作用,增加污泥的流动性,使污泥能够自排泥口21持续顺利排出,避免污泥堵塞情况,对污泥的沉淀效果好,保证排泥的连续性和排泥效率,确保水质净化效果。In the process of sewage treatment, the driving
布水装置起布水作用外,还对翻泥箱7内的污泥起到一定的涌动作用,促使多余的污泥从翻泥箱7的上部溢出并落入环形通道17和泥斗2内被浓缩,从而提高排泥的连续性。In addition to the water distribution function of the water distribution device, it also has a certain surging effect on the sludge in the
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CN112717482A (en) * | 2020-11-27 | 2021-04-30 | 中国恩菲工程技术有限公司 | A subside device and processing system for zinc electrodeposition anode mud is handled |
CN113716755A (en) * | 2021-09-17 | 2021-11-30 | 苏州翔展环保工程有限公司 | Multistage wastewater treatment device |
CN113908596A (en) * | 2021-11-19 | 2022-01-11 | 浙江海洋大学 | A sewage treatment device |
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