CN108793592B - An industrial sewage treatment system - Google Patents

An industrial sewage treatment system Download PDF

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CN108793592B
CN108793592B CN201810581305.4A CN201810581305A CN108793592B CN 108793592 B CN108793592 B CN 108793592B CN 201810581305 A CN201810581305 A CN 201810581305A CN 108793592 B CN108793592 B CN 108793592B
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tank
pool
water inlet
treatment tank
treatment
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CN108793592A (en
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陈伟
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Sichuan Chunyang Runsen Energy Conservation And Environmental Protection Co Ltd
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Sichuan Chunyang Runsen Energy Conservation And Environmental Protection 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
    • 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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • 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
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/04—Flow arrangements
    • C02F2301/046—Recirculation with an external loop
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Sludge (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

本发明公开了一种净化效果好，能够实现对工业废水酸碱去污的一种工业污水处理系统；该工业污水处理系统，包括第一格栅池、第二格栅池、调节池、氧化池、一级沉淀池、一级酸性处理池、一级碱性处理池、二级酸性处理池、二级碱性处理池、中和处理池、二级沉淀池、消毒池、排放池、污泥消耗浓缩池、污泥脱水系统；采用该工业污水处理系统能够在提高对工业废水的净化效果的同时，降低净化成本。

Figure 201810581305

The invention discloses an industrial sewage treatment system with good purification effect and capable of realizing acid-base decontamination of industrial wastewater; the industrial sewage treatment system includes a first grid pool, a second grid pool, a regulating pool, an oxidation tank, first-level sedimentation tank, first-level acid treatment tank, first-level alkaline treatment tank, second-level acid treatment tank, second-level alkaline treatment tank, neutralization treatment tank, second-level sedimentation tank, disinfection tank, discharge tank, sewage treatment tank Sludge consumption concentration tank and sludge dewatering system; the use of this industrial sewage treatment system can improve the purification effect of industrial waste water and reduce the purification cost.

Figure 201810581305

Description

Industrial sewage treatment system
Technical Field
The invention relates to the field of sewage treatment, in particular to an industrial sewage treatment system.
Background
It is well known that: along with the industrial progress of China and the increasingly improved quality of life of people in recent years, the environmental protection awareness is stronger and stronger; the contradiction between the industrial wastewater pollution and the environmental protection is more and more prominent; therefore, the industrial water can be discharged only after being purified to reach the discharge index, thereby solving the contradiction between environmental protection and industrial wastewater pollution.
The existing industrial wastewater treatment system generally processes multistage biological contact oxidation reaction treatment through a simple grating filtration and regulation tank, then the treatment is carried out through sedimentation in a sedimentation tank, and finally the treatment is disinfected and discharged. The existing process cannot purify chemical harmful substances discharged from industrial sewage thoroughly, and particularly when a large amount of acidic or alkaline chemical substances exist in the industrial sewage, the wastewater cannot be purified thoroughly; the purification effect is poor.
Disclosure of Invention
The invention aims to solve the technical problem of providing an industrial sewage treatment system which has good purification effect and can realize acid-base decontamination of industrial wastewater.
The technical scheme adopted by the invention for solving the technical problems is as follows: an industrial sewage treatment system comprises a first grid tank, a second grid tank, a regulating tank, an oxidation tank, a primary sedimentation tank, a primary acid treatment tank, a primary alkaline treatment tank, a secondary acid treatment tank, a secondary alkaline treatment tank, a neutralization treatment tank, a secondary sedimentation tank, a disinfection tank, a discharge tank, a sludge consumption concentration tank and a sludge dewatering system;
the first grating tank, the second grating tank, the regulating tank, the oxidation tank and the primary sedimentation tank are communicated in sequence; the water outlet of the primary sedimentation tank is respectively communicated with the primary acidic treatment tank and the primary alkaline treatment tank; the primary acid treatment tank is respectively communicated with the secondary acid treatment tank and the secondary alkaline treatment tank;
the primary alkaline treatment tank is respectively communicated with the secondary acidic treatment tank and the secondary alkaline treatment tank;
flow regulating valves are arranged between the primary acid treatment tank and the secondary acid treatment tank and between the primary acid treatment tank and the secondary alkaline treatment tank;
flow regulating valves are arranged between the primary alkaline treatment tank and the secondary acidic treatment tank and between the primary alkaline treatment tank and the secondary alkaline treatment tank;
the water outlets of the secondary acid treatment tank and the secondary alkaline treatment tank are both communicated with the neutralization treatment tank; the neutralization treatment tank, the secondary sedimentation tank, the disinfection tank and the discharge tank are communicated in sequence;
and the sludge precipitated in the primary sedimentation tank and the secondary sedimentation tank is sequentially sent into a sludge consumption concentration tank and a sludge dewatering system.
Further, the first grid pond comprises a pond body, and the pond body is provided with a first water inlet and a first water outlet; a coarse grating is arranged below the first water inlet; the coarse grating and the side wall of the tank body form a first water inlet cavity; a first rotary pollution discharge device is arranged in the first water inlet cavity;
a first sewage discharge port is formed in the tank body, and a first water inlet is positioned above the first rotary sewage discharge device; the first rotary pollution discharge device comprises a rotating shaft, and sieve plates which are uniformly distributed along the circumference are arranged on the rotating shaft; the first water inlet is positioned above the sieve plate at one side of the first rotary pollution discharge device; the first sewage discharge port is positioned at the other side of the first rotary sewage discharge device;
the second grid pond comprises a pond body, and the pond body is provided with a second water inlet and a first water outlet; a fine grid is arranged below the second water inlet; the fine grating and the side wall of the tank body form a second water inlet cavity; a second rotary sewage discharging device is arranged in the second water inlet cavity; a second sewage draining outlet is formed in the tank body, and a second water inlet is positioned above the second rotary sewage draining device; the second rotary pollution discharge device comprises a rotating shaft, and sieve plates which are uniformly distributed along the circumference are arranged on the rotating shaft; the second water inlet is positioned above the sieve plate at one side of the second rotary pollution discharge device; the second sewage draining outlet is positioned at the other side of the second rotary sewage draining device; the first water outlet is communicated with the second water inlet.
Furthermore, the first water inlet cavity and the second water inlet cavity are cylindrical cavities.
Further, the industrial sewage treatment system also comprises a disinfectant stored in the dosing tank, and the dosing tank is communicated with the disinfection tank through a water pump.
Preferably, the primary sedimentation tank adopts a horizontal sedimentation tank.
Furthermore, a sludge return channel is arranged on the primary sedimentation tank and communicated with the regulating tank.
The invention has the beneficial effects that: according to the industrial sewage treatment system, the primary acid treatment tank, the primary alkaline treatment tank, the secondary acid treatment tank and the secondary alkaline treatment tank are arranged, so that harmful chemical substances in industrial wastewater can be thoroughly purified; meanwhile, through the arrangement of the communication relationship of each level of the primary acid treatment tank, the primary alkaline treatment tank, the secondary acid treatment tank and the secondary alkaline treatment tank, only the corresponding acid purifying agent and alkaline purifying agent are needed to be added into the primary acid treatment tank and the primary alkaline treatment tank, and no acid or alkali is needed to be added when the pH value of the sewage is added in the subsequent neutralization tank; thereby reducing the consumption of the purifying agent and reducing the cost. Therefore, the industrial sewage treatment system can improve the purification effect of the industrial sewage and reduce the purification cost at the same time.
Drawings
FIG. 1 is a schematic structural diagram of an industrial wastewater treatment system according to an embodiment of the present invention.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1, the industrial sewage treatment system according to the present invention includes a first grid tank 1, a second grid tank 2, a regulating tank 3, an oxidation tank 4, a primary sedimentation tank 5, a primary acidic treatment tank 6, a primary alkaline treatment tank 7, a secondary acidic treatment tank 8, a secondary alkaline treatment tank 9, a neutralization treatment tank 10, a secondary sedimentation tank 11, a disinfection tank 12, a discharge tank 15, a sludge consumption concentration tank 16, and a sludge dewatering system 17;
the first grating tank 1, the second grating tank 2, the regulating tank 3, the oxidation tank 4 and the primary sedimentation tank 5 are communicated in sequence; the water outlet of the primary sedimentation tank 5 is respectively communicated with a primary acidic treatment tank 6 and a primary alkaline treatment tank 7; the primary acid treatment tank 6 is respectively communicated with a secondary acid treatment tank 8 and a secondary alkaline treatment tank 9;
the primary alkaline treatment tank 7 is respectively communicated with a secondary acidic treatment tank 8 and a secondary alkaline treatment tank 9;
flow regulating valves 20 are arranged between the primary acid treatment tank 6 and the secondary acid treatment tank 8 and between the primary acid treatment tank 6 and the secondary alkaline treatment tank 9;
flow regulating valves 20 are arranged between the primary alkaline treatment tank 7 and the secondary acidic treatment tank 8 and between the primary alkaline treatment tank 7 and the secondary alkaline treatment tank 9;
the water outlets of the secondary acid treatment tank 8 and the secondary alkaline treatment tank 9 are both communicated with a neutralization treatment tank 10; the neutralization treatment tank 10, the secondary sedimentation tank 11, the disinfection tank 12 and the discharge tank 15 are communicated in sequence;
and the sludge precipitated by the primary sedimentation tank 5 and the secondary sedimentation tank 11 is sequentially sent to a sludge consumption concentration tank 16 and a sludge dewatering system 17.
In the working process:
firstly, filtering wastewater by a first grid tank 1 and a second grid tank 2, then carrying out primary sedimentation by an adjusting tank 3, adjusting the flow of sewage, and then oxidizing the sewage in an oxidation tank 4; decomposing organic matters in the sewage into carbon dioxide through aeration oxidation, and converting the carbon dioxide into sludge cells through assimilation of microorganisms; so that pollutants in the sewage can be changed into harmless substances such as carbon dioxide, water and the like through aerobic organisms in the sewage. In the primary sedimentation tank 5, sludge in the sewage is sent into a sludge consumption concentration tank 16 after being precipitated; then the sludge is sent into a sludge dewatering system 17 for dewatering; and settling sludge in the sewage to realize the separation of the sludge and water. Supernatant in the primary sedimentation tank 5 flows into a primary acidic treatment tank 6 and a primary alkaline treatment tank 7 respectively; adding an acid purifying agent into the primary acid treatment tank 6, and adding an alkaline purifying agent into the primary alkaline treatment tank 7;
the sewage after the acid treatment in the primary acid treatment tank 6 is partially sent to a secondary acid treatment tank 8 through a flow regulating valve 20, and partially sent to a secondary alkaline treatment tank 9;
the sewage after the alkaline treatment in the primary alkaline treatment tank 7 is partially sent to the secondary acidic treatment tank 8 through a flow regulating valve 20, and partially sent to the secondary alkaline treatment tank 9;
in the secondary alkaline treatment tank 9, the sewage in the secondary alkaline treatment tank 9 is made alkaline by adjusting a flow regulating valve 20 between the primary acidic treatment tank 6 and the secondary alkaline treatment tank 9 and a flow valve between the primary alkaline treatment tank 7 and the secondary alkaline treatment tank 9; so as to carry out alkaline purification on the sewage which is not subjected to alkaline treatment in the primary alkaline treatment tank 7;
in the secondary acid treatment tank 8, the sewage in the secondary acid treatment tank 8 is acidic by adjusting a flow control valve 20 between the primary acid treatment tank 6 and the secondary acid treatment tank 8 and a flow valve between the primary alkaline treatment tank 7 and the secondary acid treatment tank 8; so as to perform acid purification on the sewage which is not subjected to acid treatment in the primary acid treatment tank 6;
then, the amount of the sewage flowing into the neutralization treatment tank 10 from the secondary acid treatment tank 8 and the secondary alkaline treatment tank 9 is adjusted in the neutralization treatment tank 10, so that the sewage in the neutralization treatment tank 10 is neutral, and the pH value of the sewage is adjusted. Then, carrying out sedimentation in a secondary sedimentation tank 11, and sending sludge in the sewage into a sludge consumption concentration tank 16 after sedimentation; the sludge is then sent to a sludge dewatering system 17 for dewatering. And the supernatant of the secondary sedimentation tank 11 is sent to a disinfection tank 12, a disinfection machine is added into the disinfection tank 12, and the supernatant is sent to a discharge tank 15 for discharge after disinfection.
In conclusion, the industrial sewage treatment system provided by the invention is provided with the primary acid treatment tank, the primary alkaline treatment tank, the secondary acid treatment tank and the secondary alkaline treatment tank, so that harmful chemical substances in industrial wastewater can be thoroughly purified; meanwhile, through the arrangement of the communication relationship of each level of the primary acid treatment tank, the primary alkaline treatment tank, the secondary acid treatment tank and the secondary alkaline treatment tank, only the corresponding acid purifying agent and alkaline purifying agent are needed to be added into the primary acid treatment tank and the primary alkaline treatment tank, and no acid or alkali is needed to be added when the pH value of the sewage is added in the subsequent neutralization tank; thereby reducing the consumption of the purifying agent and reducing the cost. Therefore, the industrial sewage treatment system can improve the purification effect of the industrial sewage and reduce the purification cost at the same time.
In order to facilitate automatic filtration and reduce the workload of workers, further, the first grid tank 1 comprises a tank body, and the tank body is provided with a first water inlet 101 and a first water outlet; a coarse grill 105 is arranged below the first water inlet 101; the coarse grating 105 and the side wall of the tank body form a first water inlet cavity 103 in a surrounding mode; a first rotary pollution discharge device 102 is arranged in the first water inlet cavity 103;
a first sewage discharge port 104 is arranged on the tank body, and the first water inlet 101 is positioned above the first rotary sewage discharge device 102; the rotary pollution discharge device 102 comprises a rotating shaft, and sieve plates which are uniformly distributed along the circumference are arranged on the rotating shaft; the first water inlet 101 is positioned above a screen plate at one side of the first rotary sewage draining device 102; the first drain outlet 104 is positioned at the other side of the first rotary sewage draining device 102;
the second grating tank 2 comprises a tank body having a second water inlet 21 and a first water outlet; a fine grid 25 is arranged below the second water inlet 21; the fine grating 25 and the side wall of the tank body form a second water inlet cavity 23; a second rotary pollution discharge device 22 is arranged in the second water inlet cavity 23; a second sewage draining outlet 24 is arranged on the tank body, and the second water inlet 21 is positioned above the second rotary sewage draining device 22; the second rotary pollution discharge device 22 comprises a rotating shaft, and sieve plates which are uniformly distributed along the circumference are arranged on the rotating shaft; the second water inlet 21 is positioned above the sieve plate at one side of the second rotary pollution discharge device 22; the second sewage draining outlet 24 is positioned at the other side of the second rotary sewage draining device 22; the first water outlet communicates with a second water inlet 21.
In order to facilitate thorough filtration and avoid grid blockage, further, the first water inlet cavity 103 and the second water inlet cavity 23 are cylindrical cavities.
In order to add the disinfectant, the industrial sewage treatment system further comprises a disinfectant stored in a dosing tank 13, and the dosing tank 13 is communicated with the disinfection tank 12 through a water pump 14.
In order to reduce the construction cost, the primary sedimentation tank 5 is a horizontal sedimentation tank.
In order to purify the sewage completely, a sludge return channel 18 is further arranged on the primary sedimentation tank 5, and the sludge return channel 18 is communicated with the regulating tank 3.

Claims (6)

1.一种工业污水处理系统，其特征在于：包括第一格栅池（1）、第二格栅池（2）、调节池（3）、氧化池（4）、一级沉淀池（5）、一级酸性处理池（6）、一级碱性处理池（7）、二级酸性处理池（8）、二级碱性处理池（9）、中和处理池（10）、二级沉淀池（11）、消毒池（12）、排放池（15）、污泥消耗浓缩池（16）、污泥脱水系统（17）；1. An industrial sewage treatment system, characterized in that it comprises a first grid pool (1), a second grid pool (2), a regulating pool (3), an oxidation pool (4), and a first-level sedimentation pool (5). ), primary acid treatment pool (6), primary alkaline treatment pool (7), secondary acid treatment pool (8), secondary alkaline treatment pool (9), neutralization treatment pool (10), secondary Settling tank (11), disinfection tank (12), discharge tank (15), sludge consumption concentration tank (16), sludge dewatering system (17); 所述第一格栅池（1）、第二格栅池（2）、调节池（3）、氧化池（4）、一级沉淀池（5）依次连通；所述一级沉淀池（5）的出水口分别与一级酸性处理池（6）和一级碱性处理池（7）连通；所述一级酸性处理池（6）分别与二级酸性处理池（8）和二级碱性处理池（9）连通；The first grid tank (1), the second grid tank (2), the adjustment tank (3), the oxidation tank (4), and the first-level sedimentation tank (5) are connected in sequence; the first-level sedimentation tank (5) ) are respectively connected with the first-level acid treatment tank (6) and the first-level alkaline treatment tank (7); the first-level acid treatment tank (6) is respectively connected with the second-level acid treatment tank (8) and the second-level alkali treatment tank (7). The sex processing pool (9) is connected; 所述一级碱性处理池（7）分别与二级酸性处理池（8）和二级碱性处理池（9）连通；The first-level alkaline treatment tank (7) is respectively communicated with the second-level acid treatment tank (8) and the second-level alkaline treatment tank (9); 所述一级酸性处理池（6）与二级酸性处理池（8）之间以及所述一级酸性处理池（6）与二级碱性处理池（9）之间均设置有流量调节阀（20）；Flow regulating valves are provided between the primary acid treatment pool (6) and the secondary acid treatment pool (8) and between the primary acid treatment pool (6) and the secondary alkaline treatment pool (9). (20); 所述一级碱性处理池（7）与二级酸性处理池（8）之间以及所述一级碱性处理池（7）与二级碱性处理池（9）之间均设置有流量调节阀（20）；Flow rates are set between the primary alkaline treatment pool (7) and the secondary acidic treatment pool (8) and between the primary alkaline treatment pool (7) and the secondary alkaline treatment pool (9). regulating valve (20); 所述二级酸性处理池（8）和二级碱性处理池（9）的出水口均与中和处理池（10）连通；所述中和处理池（10）、二级沉淀池（11）、消毒池（12）、排放池（15）依次连通；The water outlets of the secondary acid treatment tank (8) and the secondary alkaline treatment tank (9) are both communicated with the neutralization treatment tank (10); the neutralization treatment tank (10), the secondary sedimentation tank (11) ), the disinfection tank (12), and the discharge tank (15) are connected in sequence; 所述一级沉淀池（5）以及二级沉淀池（11）沉淀的淤泥依次送入污泥消耗浓缩池（16）、污泥脱水系统（17）；The sludge precipitated in the first-level sedimentation tank (5) and the second-level sedimentation tank (11) is sequentially sent to the sludge consumption concentration tank (16) and the sludge dewatering system (17); 所述一级酸性处理池（6）内添加有酸性净化剂，所述一级碱性处理池7内添加有碱性净化剂。An acidic purifying agent is added in the primary acid treatment tank (6), and an alkaline purifying agent is added in the primary alkaline treatment tank 7. 2.如权利要求1所述的一种工业污水处理系统，其特征在于：所述第一格栅池（1）包括池体，所述池体具有第一入水口（101）以及第一出水口；所述第一入水口（101）下方设置有粗格栅（105）；所述粗格栅（105）与池体侧壁围成第一入水腔（103）；所述第一入水腔（103）内设置有第一转动排污装置（102）；2. An industrial sewage treatment system according to claim 1, characterized in that: the first grid pool (1) comprises a pool body, and the pool body has a first water inlet (101) and a first outlet A water inlet; a coarse grid (105) is arranged below the first water inlet (101); the coarse grid (105) and the side wall of the pool body enclose a first water inlet cavity (103); the first water inlet chamber (103) is provided with a first rotating sewage discharge device (102); 所述池体上设置有第一排污口（104），所述第一入水口（101）位于第一转动排污装置（102）上方；所述第一转动排污装置（102）包括转轴，所述转轴上设置有沿圆周均匀分布的筛板；所述第一入水口（101）位于第一转动排污装置（102）一侧筛板的上方；所述第一排污口（104）位于第一转动排污装置（102）的另一侧；The tank body is provided with a first sewage outlet (104), and the first water inlet (101) is located above the first rotating sewage discharge device (102); the first rotating sewage discharge device (102) includes a rotating shaft, and the The rotating shaft is provided with sieve plates evenly distributed along the circumference; the first water inlet (101) is located above the sieve plate on one side of the first rotating sewage discharge device (102); the first sewage outlet (104) is located on the first rotating sewage discharge device (102). the other side of the blowdown device (102); 所述第二格栅池（2）包括池体，所述池体具有第二入水口（21）以及第一出水口；所述第二入水口（21）下方设置有细格栅（25）；所述细格栅（25）与池体侧壁围成第二入水腔（23）；所述第二入水腔（23）内设置有第二转动排污装置（22）；所述池体上设置有第二排污口（24），所述第二入水口（21）位于第二转动排污装置（22）上方；所述第二转动排污装置（22）包括转轴，所述转轴上设置有沿圆周均匀分布的筛板；所述第二入水口（21）位于第二转动排污装置（22）一侧筛板的上方；所述第二排污口（24）位于第二转动排污装置（22）的另一侧；所述第一出水口与第二入水口（21）连通。The second grid pool (2) includes a pool body, the pool body has a second water inlet (21) and a first water outlet; a fine grid (25) is provided below the second water inlet (21) ; the fine grille (25) and the side wall of the pool body enclose a second water inlet cavity (23); the second water inlet cavity (23) is provided with a second rotating sewage discharge device (22); A second sewage outlet (24) is provided, and the second water inlet (21) is located above the second rotating sewage discharge device (22); the second rotating sewage discharge device (22) includes a rotating shaft, and the rotating shaft is provided with a flange along the The sieve plates are evenly distributed around the circumference; the second water inlet (21) is located above the sieve plate on one side of the second rotating sewage discharge device (22); the second sewage discharge opening (24) is located on the second rotating sewage discharge device (22) the other side; the first water outlet is communicated with the second water inlet (21). 3.如权利要求2所述的一种工业污水处理系统，其特征在于：所述第一入水腔（103）以及第二入水腔（23）均为圆柱形腔体。3 . The industrial sewage treatment system according to claim 2 , wherein the first water inlet cavity ( 103 ) and the second water inlet cavity ( 23 ) are both cylindrical cavities. 4 . 4.如权利要求1所述的一种工业污水处理系统，其特征在于：还包括消毒液存放在加药池（13）内，所述加药池（13）通过水泵（14）与消毒池（12）连通。4. An industrial sewage treatment system according to claim 1, characterized in that: it further comprises that the disinfectant is stored in the dosing pool (13), and the dosing pool (13) is connected to the disinfection pool through the water pump (14). (12) CONNECTED. 5.如权利要求1所述的一种工业污水处理系统，其特征在于：所述一级沉淀池（5）采用平流沉淀池。5 . The industrial sewage treatment system according to claim 1 , wherein the first-stage sedimentation tank ( 5 ) adopts an advection sedimentation tank. 6 . 6.如权利要求1所述的一种工业污水处理系统，其特征在于：所述一级沉淀池（5）上设置有污泥回流通道（18），所述污泥回流通道（18）与调节池（3）连通。6. An industrial sewage treatment system according to claim 1, characterized in that: the first-stage sedimentation tank (5) is provided with a sludge return channel (18), and the sludge return channel (18) is connected with the sludge return channel (18). The adjustment tank (3) is connected.
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