CN110841340A - Improved generation vertical flow sedimentation tank - Google Patents

Improved generation vertical flow sedimentation tank Download PDF

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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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mud
water distribution
sludge
water
vertical flow
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俞建德
曹霞
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ZHEJIANG DEAN TECHNOLOGY Co Ltd
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ZHEJIANG DEAN TECHNOLOGY Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02Settling tanks with single outlets for the separated liquid
    • B01D21/04Settling tanks with single outlets for the separated liquid with moving scrapers
    • B01D21/06Settling tanks with single outlets for the separated liquid with moving scrapers with rotating scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/18Construction of the scrapers or the driving mechanisms for settling tanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/18Construction of the scrapers or the driving mechanisms for settling tanks
    • B01D21/20Driving mechanisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/2405Feed mechanisms for settling tanks
    • B01D21/2416Liquid distributors with a plurality of feed points
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/2444Discharge mechanisms for the classified liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/245Discharge mechanisms for the sediments
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/14Maintenance 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)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Sewage (AREA)

Abstract

The invention discloses an improved vertical flow sedimentation tank which comprises a tank body, wherein a water inlet and a water outlet are formed in the tank body, a conical mud bucket with a large upper part and a small lower part is arranged at the bottom of the tank body, a mud scraping device is arranged in the tank body, the mud scraping device comprises a driving device, a central transmission shaft and a scraping plate, the central transmission shaft is connected with the output end of the driving device, the scraping plate is fixed on the central transmission shaft, the scraping plate is positioned on the inner side of the mud bucket, and a mud discharge port is formed in the bottom of the mud. The improved vertical flow sedimentation tank disclosed by the invention is characterized in that a sludge scraping device is arranged in a tank body, a driving device can drive a central transmission shaft to slowly rotate in the sewage treatment process, a scraper plate can scrape and stir sludge in a sludge hopper serving as a sludge concentration area, the fluidity of the sludge is increased, the sludge can be continuously and smoothly discharged from a sludge discharge port, the sludge blockage condition is avoided, the sedimentation effect on the sludge is good, the sludge discharge continuity and the sludge discharge efficiency are ensured, and the water quality purification effect is ensured.

Description

一种改进型竖流沉淀池An improved vertical flow sedimentation tank

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 water inlet 11 and a water outlet 12, and the bottom of the The mud bucket 2 and the pool body 1 are provided with a mud scraping device. The mud scraping device includes a driving device 31, a central transmission shaft 3 and a scraper. The central transmission shaft 3 is connected to the output end of the driving device 31. In this embodiment, the driving device 31 adopts a motor, the motor 31 is installed on the top of the pool body 1, the scraper is fixed on the central drive shaft 3, the scraper is located on the inner side of the mud bucket 2, the scraper includes several inclined plates 4, and several inclined plates 4 are respectively connected by several connecting rods. 41 is fixedly connected with the central drive shaft 3, each inclined plate 4 is arranged parallel to the inner side of the mud hopper 2, there is a gap 42 between each inclined plate 4 and the inner side of the mud hopper 2, and the bottom of the mud hopper 2 is provided with a row. Mud port 21, a cylindrical overflow weir 13 is provided in the pool body 1, the overflow weir 13 is arranged on the upper part of the inner side of the pool body 1, the outer diameter of the overflow weir 13 is smaller than the inner diameter of the pool body 1, and the upper edge of the overflow weir 13 is set There is a circle of saw teeth 14, the outer side of the overflow weir 13 and the inner side of the pool body 1 enclose a ring-shaped water collecting tank 15 with an upper opening, and the water outlet 12 is communicated with the water collecting tank 15.

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 upright center cylinder 5, the sleeve 6 and the mud dumping box 7 are fixed in the pool body 1, the sleeve 6 is sleeved on the outer side of the center cylinder 5, and the sleeve 6 and the center cylinder 5 form a closed enclosure. The annular cavity 61, the water inlet 11 and the water outlet 12 are respectively located on the upper part of the pool body 1, the water inlet 11 is crossed with the water inlet pipe 16, the water inlet pipe 16 is communicated with the annular cavity 61, the lower part of the central cylinder 5 is open, the central cylinder 5 A plurality of through holes 51 are opened on the side wall of the central cylinder 5, and the inner cavity of the central cylinder 5 is communicated with the annular cavity 61 through the plurality of through holes 51. Above the bucket 2, the outer side of the dump box 7 and the inner side of the tank body 1 form an annular channel 17, the upper part of the dump box 7 is open, and the lower part of the central drive shaft 3 extends through the dump box 7 into the mud bucket. 2, the lower parts of the sleeve 6 and the center cylinder 5 respectively protrude into the bottom of the dredging box 7.

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 dump box 7, the dump box 7 is fixed on the bottom of the pool body 1 through a number of first support bars 71, and a number of first support bars 71 are fixed on the inside of the dump box 7. The second support cross bars 72 are respectively fixed on the sleeve 6 and the mud dump box 7 at both ends of each second support cross bar 72 .

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 central cylinder 5 is communicated with a water distribution device, and the water distribution device is suspended in the mud turning box 7, using At this time, the sewage in the center cylinder 5 flows through the water distribution device into the mud dumping box 7 .

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 Embodiment 2, the water distribution device includes an even number of water distribution pipes 8 arranged horizontally around the central drive shaft 3, each water distribution pipe 8 is provided with a plurality of water distribution holes 81, and the plurality of water distribution holes 81 are arranged along each water distribution hole 81. The length direction of the water distribution pipe 8 is arranged at intervals; a plurality of water distribution holes 81 are opened in the lower part of each water distribution pipe 8, and a plurality of water distribution holes 81 are arranged symmetrically with the longitudinal section passing through the center line of each water distribution pipe 8; The distance from the central transmission shaft 3 gradually increases, and the diameter of the water distribution holes 81 on each water distribution pipe 8 gradually increases, as shown in FIG. 2 .

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 Embodiment 2, the number of water distribution pipes 8 is an even number, which can be 2 (as shown in FIG. 3 ), 4 (as shown in FIG. 4 ), 8 (as shown in FIG. 5 ) or other even numbers. The number of water distribution holes 81 arranged symmetrically with the longitudinal section of the center line of each water distribution pipe 8 as the center can be 1 row (as shown in Figure 6), 3 rows (as shown in Figure 7), and 4 rows (as shown in Figure 7). 8) or other row numbers.

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 annular cavity 61 from the water inlet pipe 16 enters the inner cavity of the center cylinder 5 through the plurality of through holes 51 and continuously enters the water distribution from the lower part of the center cylinder 5. The device flows into the mud dump box 7 through the water distribution hole 81 . 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 7, and the supernatant overflows from the upper part of the mud turning box 7 and accumulates in the pool body 1, with the water level in the pool body 1. Continuously rising, the water finally flows out of the pool from the water outlet 12 . With the accumulation of mud, flocs, colloids, etc. in the mud turning box 7, a "natural filter layer" is formed in the mud turning box 7, which can filter the sewage that continuously enters the mud turning box 7. Therefore, the sludge in the mud dumping box 7 also plays a certain role in water purification, which improves the efficiency of vertical flow sedimentation of sewage. Eventually, as more and more sludge is deposited in the mud dump box 7 , the sludge overflows from the upper part of the mud dump box 7 , and continuously flows into the mud bucket 2 through the annular channel 17 under the action of its own weight.

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-turning box 7. As the amount of sludge deposited in the mud-turning box 7 increases, the supernatant overflows from the upper part of the mud-turning box 7 first, while the sludge in the mud-turning box 7 overflows. When accumulated to a certain amount, it will overflow from the upper part of the dump box 7 . The sludge in the mud dumping box 7 is essentially a mixture of mud, flocs, colloids, etc. With the progress of sewage treatment, the mixture forms a natural filter layer, which plays a role in filtering the sewage that continuously enters the mud dumping box 7. , to filter and intercept mud and pollutants, and play a certain role in water purification. With the progress of water treatment, water accumulates in the pool 1, the water level in the pool 1 rises continuously, the water overflows from the overflow weir 13, enters the water collecting tank 15, and finally flows out of the pool 1 from the water outlet 12, while the overflowing water flows out of the pool 1. Under the action of its own weight, the sludge continuously flows into the mud bucket 2 through the annular channel 17 to be concentrated and finally discharged from the mud discharge port 21 . The arrows in Figure 1 show the flow routing.

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 device 31 drives the central transmission shaft 3 to rotate slowly, and the scraper can scrape, grind and stir the sludge in the sludge hopper 2 as the sludge concentration area, so as to increase the fluidity of the sludge and make the sludge thicker. The mud can be continuously and smoothly discharged from the mud discharge port 21, so as to avoid the sludge blockage, and the sludge precipitation effect is good.

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 mud dump box 7, so that the excess sludge overflows from the upper part of the mud dump box 7 and falls into the annular channel 17 and the mud bucket 2. The inside is concentrated, thereby improving the continuity of sludge discharge.

Claims (10)

1.一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,其特征在于,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。1. an improved vertical flow sedimentation tank comprises a pond body, the described pond body is provided with a water inlet and a water outlet, and the bottom of the described pond body is provided with a large and small conical mud hopper, which is characterized by: In the tank body, a mud scraping device is provided, and the mud scraping device includes a driving device, a central transmission shaft and a scraper, and the central transmission shaft is connected with the output end of the driving device. The scraper is fixed on the central drive shaft, the scraper is located on the inner side of the mud bucket, and the bottom of the mud bucket is provided with a mud discharge port. 2.根据权利要求1所述的一种改进型竖流沉淀池,其特征在于,所述的刮板包括若干斜板,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。2. An improved vertical flow sedimentation tank according to claim 1, characterized in that, the scraper comprises several inclined plates, and the several inclined plates are connected to the central drive shaft through several connecting rods respectively. For fixed connection, each of the inclined plates is arranged parallel to the inner side of the mud bucket, and there is a gap between each of the inclined plates and the inner side of the mud bucket. 3.根据权利要求1所述的一种改进型竖流沉淀池,其特征在于,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。3. A kind of improved vertical flow sedimentation tank according to claim 1, is characterized in that, described tank body is fixed with upright center cylinder, sleeve and dump box, and described sleeve is sleeved on On the outer side of the central cylinder, the sleeve and the central cylinder form a closed annular cavity, the water inlet and the water outlet are respectively located on the upper part of the pool body, the There is a water inlet pipe across the water inlet, the water inlet pipe is communicated with the annular cavity, the lower part of the central cylinder is open, the side wall of the central cylinder is provided with a plurality of through holes, the The inner cavity of the central cylinder is communicated with the annular cavity through the plurality of through holes, the central cylinder is sleeved on the outer side of the central transmission shaft, and the mud dumping box is erected on the Above the mud bucket, the outer side of the mud dump box and the inner side of the pool body form an annular channel, the upper part of the mud dump box is open, and the lower part of the central drive shaft passes through the The dredging box extends into the mud bucket, and the lower parts of the sleeve and the center cylinder respectively protrude into the bottom of the dredging box. 4.根据权利要求3所述的一种改进型竖流沉淀池,其特征在于,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。4. An improved vertical flow sedimentation tank according to claim 3, characterized in that, a plurality of first support bars are fixed on the outer side of the mud dump box, and the mud dump box passes through the plurality of first support bars. The first support crossbar is fixed on the bottom of the pool body, the inner side of the mud dump box is fixed with a plurality of second support crossbars, and the two ends of each second support crossbar are respectively fixed on the on the sleeve and the said dump box. 5.根据权利要求3所述的一种改进型竖流沉淀池,其特征在于,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。5. an improved vertical flow sedimentation tank according to claim 3, is characterized in that, the lower part of described central cylinder is communicated with a water distribution device, and described water distribution device is suspended in the described turning In the mud box, when in use, the sewage in the center cylinder flows through the water distribution device into the mud dump box. 6.根据权利要求5所述的一种改进型竖流沉淀池,其特征在于,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。6. An improved vertical flow sedimentation tank according to claim 5, wherein the water distribution device comprises an even number of water distribution pipes arranged horizontally centered on the central drive shaft, and each The water distribution pipes are provided with a plurality of water distribution holes, and the plurality of water distribution holes are arranged at intervals along the length direction of each of the water distribution pipes. 7.根据权利要求6所述的一种改进型竖流沉淀池,其特征在于,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。7. A kind of improved vertical flow sedimentation tank according to claim 6, is characterized in that, along with the distance from described central drive shaft increases gradually, the water distribution hole on each described water distribution pipe The pore size gradually increases. 8.根据权利要求6所述的一种改进型竖流沉淀池,其特征在于,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。8. An improved vertical flow sedimentation tank according to claim 6, wherein the plurality of water distribution holes are provided at the bottom of each of the water distribution pipes, and the plurality of water distribution holes are provided at the bottom of each of the water distribution pipes. It is symmetrically arranged with the longitudinal section passing through the center line of each water distribution pipe as the center. 9.根据权利要求1所述的一种改进型竖流沉淀池,其特征在于,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。9. an improved vertical flow sedimentation tank according to claim 1, is characterized in that, described tank body is provided with cylindrical overflow weir, and described overflow weir is arranged on the upper part of described tank body inner side , the outer diameter of the overflow weir is smaller than the inner diameter of the pond body, the outer side of the overflow weir and the inner side of the pond body form a ring-shaped sump with an upper opening, the outlet The water outlet communicates with the water collecting tank. 10.根据权利要求9所述的一种改进型竖流沉淀池,其特征在于,所述的溢水堰的上边缘设置有一圈锯齿。10 . The improved vertical flow sedimentation tank according to claim 9 , wherein a circle of saw teeth is arranged on the upper edge of the overflow weir. 11 .
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CN111701286A (en) * 2020-05-25 2020-09-25 北京中航泰达环保科技股份有限公司 Sintering flue gas desulfurization waste water high efficiency separates clarification processing apparatus
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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Publication number Priority date Publication date Assignee Title
CN111701286A (en) * 2020-05-25 2020-09-25 北京中航泰达环保科技股份有限公司 Sintering flue gas desulfurization waste water high efficiency separates clarification processing apparatus
CN111701286B (en) * 2020-05-25 2023-09-26 北京中航泰达环保科技股份有限公司 High-efficient separation clarification processing apparatus of sintering flue gas desulfurization waste water
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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