A kind of sour water is processed retrieving arrangement
Technical field:
The invention belongs to sewage recycling technical field, be specifically related to a kind of sour water and process retrieving arrangement, be applicable to processing and the recycling of pickling waste waters in cold-rolling process, to realize the recycle of water resources.
Background technology:
At present, along with the developing rapidly of industry, kind and the quantity of waste water rapidly increase, and to the pollution of water body also increasingly extensively and serious, have day by day threatened the mankind's health and safety, and therefore the processing of trade effluent is extremely urgent.Trade effluent roughly includes acid waste water, alkaline waste water, cyanide wastewater, chromate waste water, cadmium wastewater, mercury-containing waste water, phenolic wastewater, aldehyde-containing sewage, oily(waste)water, sulfur-containing waste water, contains organophosphorus waste water and radioactive wastewater etc., modal waste water is acid waste water, if not added to processing, acid waste water directly enters drainage pipeline or water body, can make pipeline and underground structure be destroyed, change the pH value of water body, affect the self-purification of water body, destroy the natural, ecological in river, cause water resources to reduce or destroy; Infiltration soil causes the acidifying of soil property, destroys the pine of soil layer and dredges state, affects growth and the volume increase of farm crop.Cold rolling be with coils of hot-rolled steel be raw material, after pickling scale removal, carry out the technique that cold continuous rolling is made finished product and rolled hard volume, in production time, a large amount of parts process by rolling hard volume, being widely used of cold-rolling process causes producing a large amount of sour waters and needs to process, in prior art, mainly contain acid-base neutralisation method for the treatment of the physico-chemical process of sour water, flocculence, chemical precipitation method and crystallization process, traditional physics, it is fruitful that chemical process is processed sour water, but because the quantity discharged of sour water in cold rolling production is too large, and conventional process is wanted many retort, storage tank and a large amount of reagent, facility investment and productive expense are too high, for example there is the disclosed a kind of deep cone thickener for acid waste water from nonferrous metal industry processing of Chinese patent 201010115058, the disclosed a kind of processing method of processing acid gas-containing and ammonia waste water of Chinese patent 200810106916.X, the disclosed a kind of high-concentration metallic ions acid waste water treatment facility of Chinese patent 00265355.9, the cold rolling acid waste water of the disclosed metallurgical industry of Chinese patent 200410005161.6 is processed neutralizing agent and processing method thereof etc., in above-mentioned patent, the disclosed equipment about acid waste water processing or method ubiquity cost are higher, operation is loaded down with trivial details, the shortcomings such as equipment complexity, therefore the present invention designs a kind of sour water simple in structure and processes retrieving arrangement, realize the collection recycle to water body and waste residue, with protection of the environment, cost-saving.
Summary of the invention:
The object of the invention is to overcome the shortcoming that prior art exists, seeking design provides a kind of sour water to process retrieving arrangement, simple type structure design, and integral device floor space is little, and reliable safety greatly reduces the recycling cost of waste water.
To achieve these goals, the agent structure that the sour water the present invention relates to is processed retrieving arrangement comprises water-in, waste pipe, neutralization pipe, flocculation pipe, reaction tubes, the first grug feeding jar, the second grug feeding jar, the 3rd grug feeding jar, precipitate and separate tank, clean water tank, sludge dewatering equipment, the first water pump, opening-closing valve, the second water pump, bracing frame, communicating pipe, automatic control cabinet, clean motorized valve, filtrate water leg, dry cake mud-removing bucket dewaters, spray header, mud mud inlet and dehydration casing, bracing frame top is fixedly shaped with the waste pipe of the formula structure that is arranged in parallel successively, neutralization pipe, flocculation pipe and reaction tubes, waste pipe, neutralization pipe, between flocculation pipe and reaction tubes, pass through successively through connection of communicating pipe, neutralization pipe, on flocculation pipe and reaction tubes, be fixedly welded with respectively the first grug feeding jar, the second grug feeding jar and the 3rd grug feeding jar, waste pipe docks with the first water pump packing formula, the water-in of the first water pump is connected with source of sewage, the through funnel-form precipitate and separate tank that is connected with of exit end of reaction tubes, precipitate and separate tank upper end is communicated with clean water tank by the second water pump, realize the water body after reaction treatment is recycled, the dewatering and recovery processing of flocculent precipitate, by being connected with sludge dewatering equipment with the pipeline of opening-closing valve, is realized in the bottom of precipitate and separate tank, the agent structure of sludge dewatering equipment is coordinated and is assembled by automatic control cabinet, cleaning motorized valve, filtrate water leg, the dry cake mud-removing bucket that dewaters, mud mud inlet and dehydration casing, the upper end of automatic control cabinet is provided with mud mud inlet, mud mud inlet docks with dehydration box sealing, the tail end of dehydration casing is provided with the dry cake mud-removing bucket of dehydration, collect for the water body after extrusion dehydration being connected to filtrate water leg the lower end of dehydration casing, and in automatic control cabinet, lower end is shaped with and cleans motorized valve and carry out self-stip to control dehydration casing.
The first grug feeding jar, the second grug feeding jar that the present invention relates to are identical with the 3rd grug feeding jar structure, be provided with respectively dosing window and put medicine mouth on it, put medicine mouth for three and dock with neutralization pipe, flocculation pipe and the through sealing of reaction tubes respectively separately, in the first grug feeding jar, be alkaline matter, alkaline matter comprises that weight ratio is sodium hydroxide, calcium hydroxide and the calcium oxide of 7:2:1, and the waste Ca water for containing calcium chloride in the second grug feeding jar, is polyacrylamide (PAM) in the 3rd grug feeding jar, the agent structure of dehydration casing comprises spray header, portable plate, folded sea whelk, retaining plate and turning axle, the inner tip of dehydration casing be provided with automatic control cabinet in clean the spray header of motorized valve electric connection, the central penetration type of dehydration casing is shaped with turning axle, on turning axle, be shaped with the folded sea whelk of symmetrical expression triangular shape, turning axle rotating operation can be with fold sea whelk to rotate forward propelling, folded sea whelk drives the portable plate of its top to push forward propelling along retaining plate when propelling, thereby realize the floc sludge entering from mud mud inlet is carried out to extrusion dehydration, the water body being squeezed out enters in filtrate water leg and recycles to collect, floc sludge cake is discharged to collect recycling along the dry cake mud-removing bucket of dehydration.
The present invention compared with prior art, selects the raw materials such as common alkaline matter, flocculation agent and waste Ca water to use as medicament in treating processes, greatly reduce the expense of wastewater treatment; Adopt the parallel block form design of reacting pipe, be equipped with precipitate and separate tank, clean water tank and the sludge dewatering equipment of small volume, realize the smart simplified design of recycled in its entirety treatment facility, and simple and easy to control, safe and reliable; By recycling of the recycling to related substances in waste water and water body, reduce enterprise's production cost, improve competitive power; The required less investment of this device, working cost is low, simple in structure, reasonable in design, and principle is reliable, and technological process is simple, easy and simple to handle, easy to maintenance, and treatment effect is good, and organic efficiency is high, environmental friendliness.
Brief description of the drawings:
Fig. 1 is agent structure principle schematic of the present invention.
Fig. 2 is the cross-section structure principle schematic of casing of dewatering in the sludge dewatering equipment the present invention relates to.
Embodiment:
Below in conjunction with accompanying drawing and by embodiment, the present invention is made to further description.
Embodiment:
The agent structure of the present embodiment comprises water-in 1, waste pipe 2, neutralization pipe 3, flocculation pipe 4, reaction tubes 5, the first grug feeding jar 6, the second grug feeding jar 7, the 3rd grug feeding jar 8, precipitate and separate tank 9, clean water tank 10, sludge dewatering equipment 11, the first water pump 12, opening-closing valve 13, the second water pump 14, bracing frame 15, communicating pipe 16, automatic control cabinet 17, clean motorized valve 18, filtrate water leg 19, dry cake mud-removing bucket 20 dewaters, spray header 21, mud mud inlet 22 and dehydration casing 23, bracing frame 15 tops are fixedly shaped with the waste pipe 2 of the formula structure that is arranged in parallel successively, neutralization pipe 3, flocculation pipe 4 and reaction tubes 5, waste pipe 2, neutralization pipe 3, between flocculation pipe 4 and reaction tubes 5, pass through successively through connection of communicating pipe 16, neutralization pipe 3, on flocculation pipe 4 and reaction tubes 5, be fixedly welded with respectively the first grug feeding jar 6, the second grug feeding jar 7 and the 3rd grug feeding jar 8, waste pipe 2 is with first water pump 12 is sealed docks, the water-in 1 of the first water pump 12 is connected with source of sewage, the through funnel-form precipitate and separate tank 9 that is connected with of exit end of reaction tubes 5, precipitate and separate tank 9 upper ends are communicated with clean water tank 10 by the second water pump 14, realize the water body after reaction treatment is recycled, the bottom of precipitate and separate tank 9 is connected with sludge dewatering equipment 11 by the pipeline with opening-closing valve 13, realizes the dewatering and recovery processing of flocculent precipitate, the agent structure of sludge dewatering equipment 11 is by automatic control cabinet 17, clean motorized valve 18, filtrate water leg 19, dry cake mud-removing bucket 20 dewaters, mud mud inlet 22 and 23 cooperations of dehydration casing assemble, the upper end of automatic control cabinet 17 is provided with mud mud inlet 22, mud mud inlet 22 docks with 23 sealings of dehydration casing, the tail end of dehydration casing 23 is provided with the dry cake mud-removing bucket 20 of dehydration, collect for the water body after extrusion dehydration being connected to filtrate water leg 19 lower end of dehydration casing 23, in automatic control cabinet 17 lower end be shaped with clean motorized valve 18 with control dehydration casing 23 carry out self-stip.
The first grug feeding jar 6, the second grug feeding jar 7 that the present embodiment relates to are identical with the 3rd grug feeding jar 8 structures, are provided with respectively dosing window 28 and put 29, three, medicine mouth to put medicine mouth 29 and dock with neutralization pipe 3, flocculation pipe 4 and the through sealing of reaction tubes 5 respectively separately on it, in the first grug feeding jar 6, be alkaline matter, alkaline matter comprises that weight ratio is sodium hydroxide, calcium hydroxide and the calcium oxide of 7:2:1, and the waste Ca water for containing calcium chloride in the second grug feeding jar 7, is polyacrylamide (PAM) in the 3rd grug feeding jar 8, the agent structure of dehydration casing 23 comprises spray header 21, portable plate 24, folded sea whelk 25, retaining plate 26 and turning axle 27, the inner tip of dehydration casing 23 be provided with automatic control cabinet 17 in clean the spray header 21 of motorized valve 18 electric connections, the central penetration type of dehydration casing 23 is shaped with turning axle 27, on turning axle 27, be shaped with the folded sea whelk 25 of symmetrical expression triangular shape, turning axle 27 rotating operations can be with fold sea whelk 25 to rotate forward propelling, folded sea whelk 25 drives the portable plate 27 of its top to push forward propelling along retaining plate 26 when propelling, thereby realize the floc sludge entering from mud mud inlet 22 is carried out to extrusion dehydration, the water body being squeezed out enters in filtrate water leg 19 and recycles to collect, floc sludge cake is discharged to collect recycling along the dry cake mud-removing bucket 20 of dehydration.
The operational process that the sour water that the present embodiment relates to is processed retrieving arrangement is: acid waste water is flowed in neutralization pipe 3, flocculation pipe 4 and reaction tubes 5 along waste pipe 2 successively by the first water pump 12, the medicine of the first grug feeding jar 6, the second grug feeding jar 7 and the 3rd grug feeding jar 8 is added to respectively in neutralization pipe 3, flocculation pipe 4 and reaction tubes 5 along putting medicine mouth 29, makes sour water and medicine fully carry out neutralization reaction and flocculation reaction; Sewage after chemical reaction is divided into floc sludge and water body two portions after entering in precipitate and separate tank 9 and leave standstill, precipitate and separating, floc sludge part enters in sludge dewatering equipment 11 and folds spiral shell formula processed along the pipeline of precipitate and separate tank 9 bottom belt switch valves 13, so that recycling; Water body part enters and in clean water tank 10, leaves standstill clarification through the extraction of the second water pump 14, and collects and recycle.