CN209352668U

CN209352668U - A kind of steel mill's sewage disposal system

Info

Publication number: CN209352668U
Application number: CN201821590746.2U
Authority: CN
Inventors: 朱国平; 査显文; 刘文武
Original assignee: Jiangsu Jiuhua Environmental Protection Polytron Technologies Inc
Current assignee: Jiangsu Jiuhua Environmental Protection Polytron Technologies Inc
Priority date: 2018-09-28
Filing date: 2018-09-28
Publication date: 2019-09-06
Anticipated expiration: 2028-09-28

Abstract

The utility model provides a kind of steel mill's sewage disposal system, including sequentially connected coarse rack, fine fack, distribution well, high dense settling pond, PH conditioning tank, V-type filter tank and reuse pool, and the coarse rack is rotary grid sewage-removing machine；The fine fack is Barrate type grilling trash remover, and the high dense settling pond includes reaction zone and settling section, and the reaction zone includes hybrid reaction area and plug-flow reaction zone, and the settling section includes tube settling district and enrichment region；The utility model cooperates related process to handle steel production waste by coarse rack, fine fack, distribution well, high dense settling pond, PH conditioning tank, V-type filter tank etc. to achieve the purpose that water resource recycles, its treatment effect is stablized, method is simple, plug-flow reaction zone is that biggish floccule body is formed in flocculation reaction area to ascending manner water flow at a slow speed in high dense settling pond, biggish floccule body settling velocity in tube settling district is larger, without influencing effluent quality.

Description

A kind of steel mill's sewage disposal system

Technical field

The utility model relates to technical field of sewage, and in particular to a kind of steel mill's sewage disposal system.

Background technique

Since 21 century, China pays much attention to steel industry water and water pollution control, actively promotes iron and steel enterprise's use Technique is water-saving, cycling use of water, water in series, combines with technologies such as water, waste water recyclings.

Country's steel comprehensive wastewater processing technique is mainly " dosing-precipitating-filtering " qualified discharge at present, is partially solved The pollution problem of steel wastewater, but valuable water resource is wasted, so China while development of iron and steel enterprises, is badly in need of one Kind not only reaches the pollution problem for solving steel wastewater, but also reach work for the technology of the processing of steel comprehensive wastewater and reuse Industry produces water-saving and iron and steel enterprise's long-run development purpose.

Summary of the invention

In order to solve the problems in the existing technology, the utility model provides a kind of steel mill's sewage disposal system.

The technical solution that the utility model solves the above problems are as follows: a kind of steel mill's sewage disposal system, including be sequentially connected Coarse rack, fine fack, distribution well, high dense settling pond, PH conditioning tank, V-type filter tank and reuse pool, the coarse rack is Rotary grid sewage-removing machine；The fine fack is Barrate type grilling trash remover；

The high dense settling pond includes reaction zone and settling section, and the reaction zone includes hybrid reaction area and plug-flow reaction Area, the settling section include tube settling district and enrichment region, are equipped with mixed reactor, the mixing in the hybrid reaction area Reaction unit includes agitating device, reaction container and guide shell, and the reaction container is fixed at mixing instead by fixed bracket It answers in area, the reaction container bottom is connected with water inlet line, and the sewage that coagulant is added enters in reaction container from water inlet line, institute It states guide shell to be fixed at the top of reaction container, the agitating device includes stirring motor, agitating shaft and agitating paddle, described to stir It mixes axis upper end to be connected by shaft coupling with stirring motor, the agitating shaft lower end is connected with agitating paddle, and the agitating paddle fixation is set Set on agitating shaft, into reaction container sewage and coagulant reacted in reaction container after flow out above guide shell, stir Device accelerates reaction to carry out, and the hybrid reaction area is additionally provided with pharmaceutical pipeline, and organic flocculant enters mixing instead from pharmaceutical pipeline Area is answered, plug-flow reaction zone is subsequently entered, carries out entering after biggish floccule body is formed in flocculation reaction at a slow speed in plug-flow reaction zone Tube settling district is separated, and mud-scraping apparatus is equipped in the enrichment region, and the mud-scraping apparatus includes scraping mud motor, scraping mud driving Axis and mud-scraping bridge, the mud motor of scraping is arranged on enrichment region top plate, scrapes mud drive shaft upper end and be connected with mud motor is scraped, described Mud drive shaft lower end is being scraped in mud-scraping bridge setting, and equipped with vertical grizzly bar, enrichment region bottom is equipped with sludge for the top of the mud-scraping bridge Circulation pipe and mud discharging pipe, sludge circulation pipe are connect with sludge circulation pump, the sludge circulation pump discharge nozzle and water inlet line It is connected, mud discharging pipe is connect with mud discharging pump, and the tube settling district includes several honeycomb inclined-tubes, the honeycomb inclined-tube It is obliquely installed, comprehensively considers sedimentation effect and spoil disposal is smooth, tilt angle a, a are 45-60 °, honeycomb inclined-tube internal diameter 25- 40mm, tube settling district side wall are equipped with clarification and effluent mouth.

The utility model have the utility model has the advantages that

The utility model is matched by coarse rack, fine fack, distribution well, high dense settling pond, PH conditioning tank, V-type filter tank etc. It closes related process to handle steel production waste to achieve the purpose that water resource recycles, treatment effect is stablized, method Simply, plug-flow reaction zone is that biggish floccule body is formed in flocculation reaction area to ascending manner water flow at a slow speed in high dense settling pond, larger Floccule body in tube settling district settling velocity it is larger, without influence effluent quality.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of high dense settling pond；

Fig. 3 is the structural schematic diagram of honeycomb inclined-tube；

In figure: 1- coarse rack, 2- fine fack, 3- distribution well, 4- high dense settling pond, 5-PH conditioning tank, 6-V type filter tank, 7- reuse pool, 401- hybrid reaction area, 402- plug-flow reaction zone, 403- tube settling district, 404- enrichment region, 405- medicament pipe Road, 406- reaction container, 407- guide shell, the fixed bracket of 408-, 409- water inlet line, 410- stirring motor, 411- agitating shaft, 412- agitating paddle, 413- scrape mud motor, and 414- scrapes mud drive shaft, 415- mud-scraping bridge, 416- grizzly bar, 417- sludge circulation pipe, 418- mud discharging pipe, 419- sludge circulation pump, 420- mud discharging pump, 421- honeycomb inclined-tube, 422- clarification and effluent mouth.

Specific embodiment

With reference to the accompanying drawing and specific embodiment is further described the utility model.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State the concrete meaning of term in the present invention.

As shown, a kind of steel mill's sewage disposal system, including it is sequentially connected coarse rack, fine fack, distribution well, highly dense Clarifying basin, PH conditioning tank, V-type filter tank and reuse pool are spent, the coarse rack is rotary grid sewage-removing machine；The fine fack For Barrate type grilling trash remover；

The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent The equivalent embodiment of variation is applied to other fields, but all without departing from the content of the technical scheme of the utility model, according to this reality With novel technical spirit any simple modification, equivalent variations and remodeling to the above embodiments, it is practical new to still fall within this The protection scope of type technical solution.

Claims

1. a kind of steel mill's sewage disposal system, which is characterized in that including sequentially connected coarse rack, fine fack, distribution well, highly dense Spend clarifying basin, PH conditioning tank, V-type filter tank and reuse pool；

The high dense settling pond includes reaction zone and settling section, and the reaction zone includes hybrid reaction area and plug-flow reaction zone, The settling section includes tube settling district and enrichment region, and mixed reactor is equipped in the hybrid reaction area, and the mixing is anti- Answering device includes agitating device, reaction container and guide shell, and the reaction container is fixed at hybrid reaction by fixed bracket In area, the reaction container bottom is connected with water inlet line, and the guide shell is fixed at the top of reaction container, the agitating device Including stirring motor, agitating shaft and agitating paddle, the agitating shaft upper end is connected by shaft coupling with stirring motor, the stirring Axis lower end is connected with agitating paddle, and the agitating paddle is fixed on agitating shaft, and the hybrid reaction area is additionally provided with pharmaceutical pipeline, Mud-scraping apparatus is equipped in the enrichment region, the mud-scraping apparatus includes scraping mud motor, scraping mud drive shaft and mud-scraping bridge, described to scrape Mud motor is arranged on enrichment region top plate, scrapes mud drive shaft upper end and is connected with mud motor is scraped, and mud drive is being scraped in the mud-scraping bridge setting Moving axis lower end, the top of the mud-scraping bridge are equipped with vertical grizzly bar, and enrichment region bottom is equipped with sludge circulation pipe and mud discharging pipe, Sludge circulation pipe is connect with sludge circulation pump, and the sludge circulation pump discharge nozzle is connected with water inlet line, mud discharging pipe with Mud discharging pump connection, the tube settling district includes several honeycomb inclined-tubes, and the honeycomb inclined-tube is obliquely installed, and tilt angle is A, a are 45-60 °, honeycomb inclined-tube internal diameter 25-40mm, and tube settling district side wall is equipped with clarification and effluent mouth.

2. a kind of steel mill's sewage disposal system as described in claim 1, which is characterized in that the coarse rack is rotary grid Spotter.

3. a kind of steel mill's sewage disposal system as described in claim 1, which is characterized in that the fine fack is Barrate type grilling Trash.