CN112079487B - Intermittent tunnel wastewater treatment system and treatment process - Google Patents

Intermittent tunnel wastewater treatment system and treatment process Download PDF

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CN112079487B
CN112079487B CN202011026494.2A CN202011026494A CN112079487B CN 112079487 B CN112079487 B CN 112079487B CN 202011026494 A CN202011026494 A CN 202011026494A CN 112079487 B CN112079487 B CN 112079487B
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coagulation
flotation tank
water
pipe
ultrafiltration membrane
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CN112079487A (en
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范功端
卢达文
唐定胜
王培文
蔡俊华
庄燕珍
陈卓艺
杨尚武
林久洪
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CCCC First Highway Engineering Co Ltd
CCCC First Highway Xiamen Engineering Co Ltd
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CCCC First Highway Engineering Co Ltd
CCCC First Highway Xiamen Engineering Co Ltd
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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
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

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  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
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Abstract

本发明公开了一种间歇式隧道废水处理系统，混凝气浮池的上部设置有进水口并通过进水管与集水池相连，混凝气浮池内安装有搅拌及膜过滤一体组件、投药箱、布气管和溶气释放器，搅拌及膜过滤一体组件包括桨叶、超滤膜、旋转电机、抽真空泵和出水管，旋转电机用于驱动桨叶旋转，抽真空泵用于将超滤膜的内腔抽真空，出水管的一端伸入超滤膜的内腔中，另一端竖直穿出超滤膜并伸到混凝气浮池外；布气管呈环形并位于搅拌及膜过滤一体组件的下方，溶气释放器呈圆周均布在布气管上。同时，本发明还公开了一种间歇式隧道废水处理工艺，以解决现有隧道废水处理系统占地大、自动化程度低、出水水质无法达标的问题。

Figure 202011026494

The invention discloses an intermittent tunnel wastewater treatment system. The upper part of the coagulation air flotation tank is provided with a water inlet and is connected with the water collection tank through a water inlet pipe. Trachea and dissolved air release, stirring and membrane filtration integrated components include paddles, ultrafiltration membranes, rotary motors, vacuum pumps and water outlet pipes. Vacuum, one end of the water outlet pipe extends into the inner cavity of the ultrafiltration membrane, and the other end vertically penetrates the ultrafiltration membrane and extends out of the coagulation air flotation tank; the gas distribution pipe is annular and is located below the integrated stirring and membrane filtration assembly. Dissolved gas releasers are evenly distributed on the gas distribution pipe in a circle. At the same time, the invention also discloses an intermittent tunnel wastewater treatment process, so as to solve the problems of the existing tunnel wastewater treatment system occupying a large area, with a low degree of automation, and the effluent quality cannot meet the standard.

Figure 202011026494

Description

Intermittent tunnel wastewater treatment system and treatment process
Technical Field
The invention belongs to the technical field of tunnel wastewater treatment, and particularly relates to an intermittent tunnel wastewater treatment system and a treatment process.
Background
With the continuous development of traffic facility construction in China, a highway is one of the most common facilities, and tunnel engineering is also adopted more and more widely in mountains or hills. In the process of tunnel construction, certain influence is inevitably generated on local water environment, the problem of environmental pollution caused by the influence is increasingly attracted by people, and tunnel construction wastewater is considered as one of main pollution sources. Therefore, in recent years, the investment of treating the tunnel construction wastewater is gradually increased in China, and the water ecological environment around the tunnel is effectively protected.
At present, the main sources of tunnel construction wastewater are: the water gushes generated when the tunnel passes through the unfavorable geological units, the tunnel construction usually encounters the unfavorable geological units such as faults, underground rivers and the like, and the underground water and surface water sources in the pores gush out under the action of pressure to form water gushes; waste water generated by tunnel construction machinery and used large machinery are easy to enter gushing water to cause pollution during discharge due to reasons of grease leakage and the like; the aim of dust reduction is achieved by spraying water on a working surface in the blasting process of settled wastewater after blasting, and the SS of the wastewater is high; according to the source of the wastewater, the main pollutants in the tunnel construction wastewater are suspended matters and petroleum.
At present, the tail end treatment technology taking coagulation, precipitation and filtration as the core is mostly adopted. The prior art has unreasonable technical design: (1) the retention time is short, the volume is small, and the effluent is unstable or unqualified due to overlarge load; (2) the existing process equipment has low automation degree, and a plurality of processes need manual operation, so that the effluent is unstable, and the potential safety hazard is large; (3) the construction site is usually limited, large-scale complete equipment cannot enter the site, and the installation difficulty is high. With the coming of sewage discharge standard policy, the prior art is difficult to meet the discharge requirement after the standard is raised. The main reasons are: a. the fluctuation of the water quantity of the wastewater inlet water is large; b. the device is limited by the site, the volume of the device is small, the load is too high, and the treatment is incomplete; c. some tunnels pass through a water source and cannot treat micropollutants in tunnel wastewater.
Disclosure of Invention
Aiming at the problems, the invention aims to provide an intermittent tunnel wastewater treatment system to solve the problems that the existing tunnel wastewater treatment system occupies a large area, has low automation degree and can not reach the standard of effluent quality.
Therefore, the technical scheme adopted by the invention is as follows: an intermittent tunnel wastewater treatment system comprises a coagulation air flotation tank, a water collecting tank, a slag collecting tank and a control cabinet, wherein a water inlet is formed in the upper portion of the coagulation air flotation tank and is connected with the water collecting tank through a water inlet pipe, a stirring and membrane filtering integrated assembly, a dosing tank, an air distribution pipe and a dissolved air releaser are installed in the coagulation air flotation tank, the stirring and membrane filtering integrated assembly comprises a paddle, an ultrafiltration membrane, a rotating motor, a vacuum pumping pump and a water outlet pipe, the paddle is arranged outside the ultrafiltration membrane in a surrounding mode, the rotating motor is used for driving the paddle to rotate, the vacuum pumping pump is used for vacuumizing the inner cavity of the ultrafiltration membrane, so that water outside the ultrafiltration membrane enters the inner cavity after being filtered by the ultrafiltration membrane, one end of the water outlet pipe extends into the inner cavity of the ultrafiltration membrane, and the other end of the water outlet pipe vertically penetrates through the ultrafiltration membrane and extends out of the coagulation air flotation tank for discharging the water filtered by the ultrafiltration membrane; the gas distribution pipe is annular and is positioned below the stirring and membrane filtering integrated component, and the dissolved gas releasers are uniformly distributed on the gas distribution pipe in a circumferential manner; the bottom of the coagulation air floatation tank is provided with a sludge and sand discharge pipe, the upper part of the coagulation air floatation tank is provided with an overflow port and is connected with the slag collecting tank through an overflow pipe, and the water inlet pipe, the water outlet pipe, the sludge and sand discharge pipe and the overflow pipe are respectively provided with an automatic control valve;
the number of the blades is four, and the blades are uniformly distributed outside the ultrafiltration membrane in a circumferential manner;
the top in the air supporting pond of coagulating is provided with the apron and is used for installing rotating electrical machines and evacuation pump, and the outlet pipe is worn out the bottom in the air supporting pond of coagulating downwards.
More preferably, the coagulation air flotation tank and the slag collecting tank are built together.
Preferably, the dissolved air releasers are six in total, vertical pipes corresponding to the dissolved air releasers one to one are arranged below the air distribution pipe, the vertical pipes are communicated with the air distribution pipe, and one dissolved air releaser is arranged at the tail end of each vertical pipe.
Meanwhile, the invention also discloses an intermittent tunnel wastewater treatment process, which comprises the intermittent tunnel wastewater treatment system and comprises the following steps:
s1, controlling an automatic control valve on a water inlet pipe of the coagulation air flotation tank to be opened by a control cabinet, and controlling the water inlet time of the system; after water inflow is finished, the dissolved air releaser starts to work, supersaturated air is released to form micro bubbles, the micro bubbles are quickly attached to suspended matters, the suspended matters are lifted to the surface of the coagulation air floatation tank to form a sludge floating layer, the control cabinet controls an automatic control valve on an overflow pipe to be opened, the sludge floating layer is discharged into a slag collecting tank, and the first-stage reaction is finished;
s2, the control cabinet controls the dosing tank to dose coagulant into the coagulation air flotation tank, and meanwhile, the rotating motor starts to work, and the blades start to rotate, so that the coagulant is fully mixed with the water body; after the coagulation reaction is finished, the control cabinet opens an automatic control valve on a sludge and sand discharge pipe at the bottom of the coagulation air floatation tank to discharge sludge and grit out of the system, and the second-stage reaction is finished;
s3, controlling the vacuum pump to start running by the control machine room and simultaneously opening the automatic control valve of the water outlet pipe to generate negative pressure in the ultrafiltration membrane, starting filtering the water body in the coagulation air flotation tank, finally discharging the treated tunnel wastewater through the water outlet pipe, finishing the reaction in the third stage and finishing one-time intermittent tunnel wastewater treatment;
and S4, repeating S1-S3, and carrying out the next batch type tunnel wastewater treatment.
The invention has the beneficial effects that:
(1) the stirring and membrane filtering integrated component, the dosing tank and the air flotation device are integrated in the coagulation air flotation tank, and three processes of air flotation, coagulation and filtration are integrated in one treatment unit, so that the floor area of a treatment system is greatly reduced, and the possibility of installing wastewater treatment equipment on occasions with limited sites in tunnels is increased;
(2) the dissolved air releaser arranged annularly can ensure that micro bubbles are fully contacted with suspended matters in raw water and adhered to form a sludge floating layer, thereby greatly shortening the air floatation treatment time and achieving the purpose of improving the treatment efficiency; stirring and membrane filtration integrative subassembly can stir the water and realize fully coagulating, improves and thoughtlessly congeals efficiency, can filter the micro pollutant through the milipore filter again, has greatly promoted the quality of water that the system goes out water, to the characteristic pollutant of getting rid of in the tunnel waste water: the oil substances and SS have particularly remarkable effects;
(3) the wastewater treatment is carried out quantitatively and in different times by adopting an intermittent water inlet mode, and is combined with the staged treatment in each wastewater treatment process, so that the tunnel wastewater can meet the current comprehensive wastewater discharge standard after being treated by the system, and the treated water quality is stable and safer;
(4) the whole system has high automation degree and simple and convenient operation, and reduces the manual operation of a construction site.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a plan view of the dissolved air releaser mounted on the air distribution pipe.
Detailed Description
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1, the intermittent tunnel wastewater treatment system mainly comprises a coagulation air flotation tank 1, a water collecting tank 2, a slag collecting tank 3, an automatic control valve 4, an air distribution pipe 5, a dissolved air releaser 6, a rotating motor 7, a vacuum pump 8, blades 9, an ultrafiltration membrane 10, a dosing tank 11, a control cabinet 12, a water outlet pipe 13 and a sludge and sand discharge pipe 14.
The upper part of the coagulation air flotation tank 1 is provided with a water inlet and is connected with the water collecting tank 2 through a water inlet pipe. The tunnel wastewater firstly converges in the water collecting tank 2 and then is intermittently sent into the coagulation air floatation tank 1 for treatment, so that the water volume treated by the coagulation air floatation tank 1 is ensured to be constant, and the situation that new tunnel wastewater continuously flows in the treatment process can not occur; intermittent water feeding is adopted, so that the water quantity treated each time is constant, and the water quality stably reaches the standard; because the water quantity treated each time is controllable, the whole system can adopt a miniaturized design, occupies small space and is particularly suitable for occasions with limited sites in tunnels.
The coagulation air flotation tank 1 is internally provided with a stirring and membrane filtration integrated component, a dosing tank 11, an air distribution pipe 5 and a dissolved air releaser 6. The stirring and membrane filtration integrated component integrates stirring and filtration functions and comprises a paddle 9, an ultrafiltration membrane 10, a rotating motor 7, a vacuum pump 8 and a water outlet pipe 13. The paddle 9 is arranged outside the ultrafiltration membrane 10 in a surrounding mode, and the rotating motor 7 is used for driving the paddle 9 to rotate and stirring the water body. The vacuum pumping pump 8 is used for vacuumizing the inner cavity of the ultrafiltration membrane 10, so that water outside the ultrafiltration membrane 10 enters the inner cavity after being filtered by the ultrafiltration membrane 10 under the action of negative pressure. One end of the water outlet pipe 13 extends into the inner cavity of the ultrafiltration membrane 10, and the other end vertically penetrates through the ultrafiltration membrane 10 and extends out of the coagulation air flotation tank 1, so as to discharge water filtered by the ultrafiltration membrane 10. The dosing box 11 is connected with the control cabinet 12, and the control cabinet 12 controls the dosing amount.
Referring to fig. 1 and 2, the air distribution pipe 5 is annular and located below the stirring and membrane filtration integrated assembly, and mounting support legs are arranged on the left side and the right side of the air distribution pipe 5 and used for being fixedly mounted on the coagulation air flotation tank 1. The dissolved air releasers 6 are uniformly distributed on the air distribution pipe 5 in a circumference way. The dissolved air releaser 6 is preferably six, but not limited to 6. Vertical tubes 5a which are in one-to-one correspondence with the dissolved air releasers 6 are arranged below the air distribution tube 5, the vertical tubes 5a are communicated with the air distribution tube 5, and the tail end of each vertical tube 5a is provided with one dissolved air releaser 6
The bottom of the coagulation air flotation tank 1 is provided with a sludge and sand discharge pipe 14 for discharging flocculates and gravel to a sludge discharge and collection tank. The upper part of the coagulation air flotation tank 1 is provided with an overflow port and is connected with the slag collecting tank 3 through an overflow pipe, and the water inlet pipe, the water outlet pipe 13, the sludge and sand discharge pipe 14 and the overflow pipe are respectively provided with an automatic control valve 4.
Preferably, the number of the blades 9 is four, and the blades are circumferentially and uniformly distributed outside the ultrafiltration membrane 10, but is not limited to four.
The top of the coagulation air flotation tank 1 is provided with a cover plate for installing a rotating motor 7 and a vacuum pumping pump 8, and a water outlet pipe 13 downwards penetrates out of the bottom of the coagulation air flotation tank 1. The rotary motor 7, the vacuum pumping pump 8 and the water outlet pipe 13 are arranged in a vertically staggered manner, and arrangement is facilitated.
The coagulation air flotation tank 1 and the slag collecting tank 3 are combined, and the arrangement position of the water collecting tank 2 is determined according to the waste water generation position and the waste water yield.
An intermittent tunnel wastewater treatment process comprises the following steps:
s1, controlling the opening of an automatic control valve 4 on a water inlet pipe of the coagulation air flotation tank 1 by the control cabinet 12, and controlling the water inlet time of the system; after the water inlet is finished, the dissolved air releaser 6 starts to work, supersaturated air is released to form micro bubbles, the micro bubbles are rapidly attached to suspended matters, the suspended matters are lifted to the surface of the coagulation air flotation tank 1 to form a sludge floating layer, the automatic control valve 4 on the control cabinet 12 controls the overflow pipe to be opened, the sludge floating layer is discharged into the slag collecting tank 3, and the first-stage reaction is finished.
S2, the control cabinet 12 controls the dosing tank 11 to dose the coagulant into the coagulation air flotation tank 1, meanwhile, the rotating motor 7 starts to work, and the blades 9 start to rotate, so that the coagulant is fully mixed with the water body; after the coagulation reaction is finished, the control cabinet 12 opens the automatic control valve 4 on the sludge and sand discharge pipe 14 at the bottom of the coagulation air flotation tank 1, discharges sludge and gravel out of the system, and the second stage reaction is finished.
And S3, controlling the vacuum pump 8 to start running by the control machine room 12 and simultaneously opening the automatic control valve 4 of the water outlet pipe 13 to generate negative pressure in the ultrafiltration membrane 10, starting filtering the water body in the coagulation air flotation tank 1, finally discharging the treated tunnel wastewater through the water outlet pipe 13, finishing the reaction in the third stage and finishing one-time intermittent tunnel wastewater treatment.
And S4, repeating S1-S3, and carrying out the next batch type tunnel wastewater treatment.

Claims (4)

1.一种间歇式隧道废水处理系统，包括混凝气浮池(1)、集水池(2)、集渣池(3)和控制柜(12)，其特征在于：所述混凝气浮池(1)的上部设置有进水口并通过进水管与集水池(2)相连，所述混凝气浮池(1)内安装有搅拌及膜过滤一体组件、投药箱(11)、布气管(5)和溶气释放器(6)，所述搅拌及膜过滤一体组件包括桨叶(9)、超滤膜(10)、旋转电机(7)、抽真空泵(8)和出水管(13)，所述桨叶(9)环绕设置在超滤膜(10)外，所述旋转电机(7)用于驱动桨叶(9)旋转，抽真空泵(8)用于将超滤膜(10)的内腔抽真空，从而使得超滤膜(10)外的水经超滤膜(10)过滤后进入内腔中，所述出水管(13)的一端伸入超滤膜(10)的内腔中，另一端竖直穿出超滤膜(10)并伸到混凝气浮池(1)外，用于将超滤膜(10)过滤后的水排出；所述布气管(5)呈环形并位于搅拌及膜过滤一体组件的下方，所述溶气释放器(6)呈圆周均布在布气管(5)上；所述混凝气浮池(1)的底部设置有排泥排砂管(14)，混凝气浮池(1)的上部设置有溢流口并通过溢流管与集渣池(3)相连，在所述进水管、出水管(13)、排泥排砂管(14)和溢流管上分别设置有自动控制阀门(4)；1. An intermittent tunnel wastewater treatment system, comprising a coagulation flotation tank (1), a water collection tank (2), a slag collection tank (3) and a control cabinet (12), characterized in that: the coagulation flotation tank ( The upper part of 1) is provided with a water inlet and is connected to the water collecting tank (2) through a water inlet pipe. The coagulation air flotation tank (1) is equipped with an integrated assembly of stirring and membrane filtration, a dosing box (11), and a gas distribution pipe (5). and a dissolved gas releaser (6), the stirring and membrane filtration integrated assembly includes a paddle (9), an ultrafiltration membrane (10), a rotating motor (7), a vacuum pump (8) and a water outlet pipe (13), so The paddle (9) is arranged around the ultrafiltration membrane (10), the rotary motor (7) is used to drive the paddle (9) to rotate, and the vacuum pump (8) is used to remove the inner surface of the ultrafiltration membrane (10). The cavity is evacuated, so that the water outside the ultrafiltration membrane (10) enters the inner cavity after being filtered by the ultrafiltration membrane (10), and one end of the water outlet pipe (13) extends into the inner cavity of the ultrafiltration membrane (10). , the other end vertically penetrates the ultrafiltration membrane (10) and extends out of the coagulation flotation tank (1), for discharging the water filtered by the ultrafiltration membrane (10); the air distribution pipe (5) is annular and Located below the integrated assembly of stirring and membrane filtration, the dissolved air releaser (6) is evenly distributed on the air distribution pipe (5) in a circumferential manner; the bottom of the coagulation flotation tank (1) is provided with a mud and sand discharge pipe ( 14), the upper part of the coagulation air flotation tank (1) is provided with an overflow port and is connected with the slag collecting tank (3) through an overflow pipe. ) and the overflow pipe are respectively provided with automatic control valves (4); 所述桨叶(9)共四个，呈圆周均布在超滤膜(10)外；There are four described paddles (9), which are uniformly distributed outside the ultrafiltration membrane (10) in a circumference; 所述混凝气浮池(1)的顶部设置有盖板用于安装旋转电机(7)和抽真空泵(8)，出水管(13)向下穿出混凝气浮池(1)的底部。The top of the coagulation flotation tank (1) is provided with a cover plate for installing the rotary motor (7) and the vacuum pump (8). 2.按照权利要求1所述的间歇式隧道废水处理系统，其特征在于：所述混凝气浮池(1)与集渣池(3)合建而成。2 . The intermittent tunnel wastewater treatment system according to claim 1 , wherein the coagulation flotation tank ( 1 ) and the slag collecting tank ( 3 ) are jointly constructed. 3 . 3.按照权利要求1所述的间歇式隧道废水处理系统，其特征在于：所述溶气释放器(6)共六个，在布气管(5)的下方设置有与溶气释放器(6)一一对应的垂直管(5a)，所述垂直管(5a)与布气管(5)相通，每个垂直管(5a)的末端安装有一个溶气释放器(6)。3. The intermittent tunnel wastewater treatment system according to claim 1, characterized in that: a total of six dissolved gas releasers (6) are provided with dissolved gas releasers (6) below the gas distribution pipe (5). ) one-to-one corresponding vertical pipes (5a), the vertical pipes (5a) communicate with the gas distribution pipes (5), and a dissolved gas releaser (6) is installed at the end of each vertical pipe (5a). 4.一种间歇式隧道废水处理工艺，其特征在于，包括权利要求1—3中任一项所述的间歇式隧道废水处理系统，步骤为：4. An intermittent tunnel wastewater treatment process, characterized in that, comprising the intermittent tunnel wastewater treatment system according to any one of claims 1-3, the steps are: S1、由控制柜(12)控制混凝气浮池(1)进水管上的自动控制阀门(4)打开，并控制系统进水时间；进水结束后，溶气释放器(6)开始工作，过饱和的空气释放出来，形成微小气泡，迅速附着在悬浮物上，将悬浮物提升至混凝气浮池(1)的表面，形成污泥浮层，控制柜(12)控制溢流管上的自动控制阀门(4)打开，将污泥浮层排入集渣池(3)，第一阶段反应结束；S1. The control cabinet (12) controls the automatic control valve (4) on the water inlet pipe of the coagulation flotation tank (1) to open, and controls the water inlet time of the system; after the water inlet ends, the dissolved gas releaser (6) starts to work, The supersaturated air is released to form tiny air bubbles, which are quickly attached to the suspended matter, and the suspended matter is lifted to the surface of the coagulation flotation tank (1) to form a floating layer of sludge, and the control cabinet (12) controls the air flow on the overflow pipe. The automatic control valve (4) is opened, and the sludge floating layer is discharged into the slag collecting tank (3), and the first-stage reaction is completed; S2、由控制柜(12)控制投药箱(11)向混凝气浮池(1)中投加混凝剂，同时，旋转电机(7)开始工作，桨叶(9)开始转动，使混凝剂与水体充分混合；混凝反应结束后，控制柜(12)打开混凝气浮池(1)底部的排泥排砂管(14)上的自动控制阀门(4)，将污泥和砂砾排出系统外，第二阶段反应结束；S2. The dosing box (11) is controlled by the control cabinet (12) to add coagulant to the coagulation flotation tank (1). After the coagulation reaction is completed, the control cabinet (12) opens the automatic control valve (4) on the mud and sand discharge pipe (14) at the bottom of the coagulation air flotation tank (1) to discharge the sludge and sand. Outside the system, the second-stage reaction ends; S3、由控制机房(12)控制抽真空泵(8)开始运行并同时打开出水管(13)的自动控制阀门(4)，导致超滤膜(10)内产生负压，开始过滤混凝气浮池(1)内的水体，最终通过出水管(13)将处理后的隧道废水排出，第三阶段反应结束，完成一次间歇式隧道废水处理；S3. The vacuum pump (8) is controlled by the control machine room (12) to start running and the automatic control valve (4) of the water outlet pipe (13) is opened at the same time, resulting in negative pressure in the ultrafiltration membrane (10), and the coagulation air flotation tank starts to filter The water body in (1) finally discharges the treated tunnel wastewater through the water outlet pipe (13), and the third-stage reaction ends, completing an intermittent tunnel wastewater treatment; S4、重复S1—S3，进行下一次间歇式隧道废水处理。S4, repeat S1-S3, and carry out the next batch tunnel wastewater treatment.
CN202011026494.2A 2020-09-25 2020-09-25 Intermittent tunnel wastewater treatment system and treatment process Active CN112079487B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010072521A (en) * 2001-04-02 2001-07-31 김동진 apparatus for recycling a slaughtered chicken processing water of a low temperature by a ultra filtration membrane
CN1760142A (en) * 2004-10-15 2006-04-19 福建凤竹纺织科技股份有限公司 Method for treating dyeing wastewater thorugh filtering coagulated gas float, and one-piece type handling arrangement
CN101921008A (en) * 2010-09-25 2010-12-22 哈尔滨工业大学 A water treatment device integrating clarification, air flotation and ultrafiltration
CN103979706A (en) * 2014-04-25 2014-08-13 轻工业环境保护研究所 External circulation type pressurized dissolved air floatation-membrane separation water treatment method and device
CN203794724U (en) * 2014-04-25 2014-08-27 轻工业环境保护研究所 Outer circulating type pressurized dissolved air flotation-film separation water treatment device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010072521A (en) * 2001-04-02 2001-07-31 김동진 apparatus for recycling a slaughtered chicken processing water of a low temperature by a ultra filtration membrane
CN1760142A (en) * 2004-10-15 2006-04-19 福建凤竹纺织科技股份有限公司 Method for treating dyeing wastewater thorugh filtering coagulated gas float, and one-piece type handling arrangement
CN101921008A (en) * 2010-09-25 2010-12-22 哈尔滨工业大学 A water treatment device integrating clarification, air flotation and ultrafiltration
CN103979706A (en) * 2014-04-25 2014-08-13 轻工业环境保护研究所 External circulation type pressurized dissolved air floatation-membrane separation water treatment method and device
CN203794724U (en) * 2014-04-25 2014-08-27 轻工业环境保护研究所 Outer circulating type pressurized dissolved air flotation-film separation water treatment device

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