CN201762144U

CN201762144U - Deoiling water purifying device

Info

Publication number: CN201762144U
Application number: CN2010202732092U
Authority: CN
Inventors: 张顺生; 孙立平; 井靖; 应宝华
Original assignee: JIANGSU CHUNJIANG ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
Current assignee: Jiangsu new pure river environmental protection engineering Co., Ltd.
Priority date: 2010-07-27
Filing date: 2010-07-27
Publication date: 2011-03-16
Anticipated expiration: 2020-07-27

Abstract

The utility model relates to the improvement on a deoiling water purifying device and is characterized in that a processing cylinder is in a closed structure, wherein a water inlet pipe and an inner sleeve are in tangent connection, water collecting pipes above a mud-water separating device are closed water collecting pipes with holes. In the utility model, not only can a mixing and flocculation stirring device and a discharge large-flow lift pump be omitted to achieve the effect of energy-saving operation, but also the occupied area of equipment with the same processing capacity is shortened; and in addition, the water collecting pipes with a lot of holes, which are arranged at the upper part, are converged, thereby effectively avoiding the problem of short flow caused by a large section and less water outlets. The deoiling water purifying device is particularly suitable single equipment with the processing capacity of 200-1000ton/h for the treatment of sewage mainly containing non-emulsified oil, such as sewage containing oil and ferric oxide scales generated in the process of steel continuous casting and rolling in a steel mill.

Description

Oil removing and water purifying device

Technical field

Utility model is about the improvement to oil removing and water purifying device, relates in particular to a kind of Steel Plant with handling the oil removing and water purifying device that the water yield is big, save operation energy consumption.

Background technology

Oily(waste)water, the oil spout cooled oily(waste)water of spraying water again on Steel Plant's hot steel of coming out of the stove for example, its oil-containing major part is non-oil in water emulsion, and it is big to handle the water yield, the oily(waste)water amount that for example medium-sized iron and steel enterprise continuous casting, steel rolling are discharged contains relatively large slag, iron filings simultaneously all more than 15000 tons/hour.Prior art contains oil-containing based on non-oil in water emulsion, contains assorted sewage disposal this type of big yield, usually adopt gravity type boat davit electrochemical deoiling water purifier to carry out oil removing, removal of impurities processing, by adding chemical agent, make separation such as oils, iron scale in the water through mixing, flocculation reaction, and then by reuse after the filtration treatment, for example Chinese patent CN2644411, CN2668606, CN201148370, CN101468828 etc. are described.Its basic structure such as Fig. 1 comprise uncovered process cartridge 1, and the internal reaction chamber 2 and the outer reaction chamber 3 of inside and outside sleeve structure that the center has suspended mixing, flocculation reaction be arranged at the mechanical stirring 9 in the internal reaction chamber 2, and the inclined tube of periphery or swash plate etc. separates devices 4.Oily(waste)water adds oily flocculation agent, by pump through water inlet pipe 8 be fed into internal reaction chamber 2 through mechanical stirring 9 mix, coagulating, then entering the outer reaction chamber 3 of sleeve by top posticum 6 makes flco further increase the oily flco of formation, turn to upwelling to separate device 4 by outside inclined tube or swash plate etc., heavy seeds such as separating oil flco and iron filings sink by discharging the bottom, catchment by water outlet 7 discharges through open topped water leg 5 by tripping device 4 water purification, after promoting by follow-up filtration treatment, pump is used for reuse again, for example the cooling-tower circulating water system.Its main deficiency is that water outlet does not have pressure and flows to separately the intermediate pool of building earlier, could filtration treatment after promoting with pump again, and mechanical stirring is mixed, high throughput causes the running cost power consumption higher relatively, make processing cost big, and pond in the middle of increasing, construction costs and occupation of land increased.

Secondly, for high throughput, for example the single device treatment capacity is 200～1000 tons/hour, particularly garden shape device bottom collection mud area is bigger, and for example diameter reaches 2-4 rice, and big area collection mud long-time running spoil disposal is not thorough, often need artificial the cleaning, increased maintenance and management workload.

In addition, the disclosed oil-contained waste water treatment device of Chinese patent CN2725275, CN200981827 adopts horizontal type structure, this type of oil-contained waste water treatment device, generally can only handle≤100 tons the little water yield handles, and is not suitable for for example high throughput of Steel Plant.

Above-mentioned deficiency still has is worth improved place.

The utility model content

The utility model purpose is to overcome above-mentioned the deficiencies in the prior art, provide a kind of and be particularly useful for handling big yield, and operation energy consumption is low, the Remarkable Energy Saving oil removing and water purifying device.

The utility model purpose realizes, main improvement will have the gravity type boat davit oil removal plant now and change the pressure type structure into, mix, flocculate by the water inlet spin current, and water outlet band pressure, mix, flocculate and stir thereby omit, and water outlet lifting energy consumption, reach the saving operation energy consumption, save intermediate pool, overcome the prior art deficiency, realize the utility model purpose.Specifically, the utility model oil removing and water purifying device, comprise the processing cylindrical shell, built-in mixing, flocculation inside and outside sleeve reaction chamber, sleeve periphery inclined tube or swash plate or waved plate device for separating mud and water, it is characterized in that handling cylindrical shell and be enclosed construction, water inlet pipe is tangent line with inner sleeve and is connected, and the header of device for separating mud and water top is a sealing header with holes.

The utility model oil removing and water purifying device, principle of work and process: the sewage that is added with oily flocculation agent is by being pumped into oil removal plant, because water inlet pipe is connected with inner sleeve with the tangent line form, the sewage that enters forms in inner sleeve to forward spin flow at a high speed, make medicament and water thorough mixing, flocculation reaction, change outer sleeve (inside and outside sleeve mezzanine space) over to pushing up top, the intensive turbulent flow continues to make flco to increase in being downward through journey, going out turns back behind the outer sleeve forms upward flow and passes through device for separating mud and water, the heavy seeds such as big greasy dirt flco and iron filings that flocculate are separated by device for separating mud and water, sink down into the last discharge in bottom, clear liquid by device for separating mud and water separating oil and heavy seeds, compile through the upper porous header, discharge by water port, thereby finish oil removing, remove heavy seeds.In the reason process, medicine, the reaction of water mixed flocculation form eddy flow by water inlet and finish, and can directly enter follow-up filtration treatment because of the pressure type water outlet has pressure herein, thereby have saved stirring, pump lifting energy consumption, and intermediate pool.

In addition, for making spoil disposal thorough, minimizing is to the frequent cleaning spoil disposal of equipment, a kind of better is the device (base diameter or area big) big to treatment capacity, set up one or several pyrometric cones in the bottom, formation one or some collection mud awl bucket reduce mud collecting region collection mud area, one more helps precipitating sludge discharges, and two also can avoid mobile treating water rapidly to cause stirring to bottom mud.

The utility model oil removing and water purifying device with respect to prior art, owing to adopt pressure operating structure as previously mentioned, can guarantee that water outlet is up to standard, can make water outlet possess for example 0.3Mpa left and right sides overbottom pressure again, can direct compression enter the subsequent medium filter plant.Not only can omit mixing, flocculation whipping appts and the big flow enhancement pump of water outlet, thereby reach energy-saving run, energy-conservation huge.With 15 1000t/h treatment capacities of a medium-and-large-sized steel mill, water pump lifting is advanced strainer and is handled, every pump horsepower 160Kw (1000t/h flow, 36m Yang Cheng), per hour power consumption 160 degree * 15=2400 are spent, 0.55 yuan/degree of the electricity charge calculates, * 24 hours=31680 yuan of * 0.55 yuan/degree of electricity charge every day 2400 degree, annual (by 360 days) total power consumption is 3.168 ten thousand yuan * 360 days=1,140 ten thousand yuan; But also make same treatment amount occupation area of equipment dwindle (having reduced middle pond) and minimizing investment.The upper porous header compiles, and has effectively avoided large section, the issuable short stream of a small amount of water outlet, guarantees treatment effect.The water inlet oil-containing is about 80mg/l, and suspension content is handled back water outlet oil-containing below 10mg/l when the 500mg/l left and right sides, and suspension content satisfies steel mill's recirculated water water inlet requirement below 20mg/l.The utility model device, be particularly suitable for single device treatment capacity 200-1000 ton/hour, mainly contain non-emulsifying greasy dirt water for example steel mill's continuous casting, the steel rolling oil-containing of discharging, the processing that contains the iron scale oily water.

Optimize specific embodiment below in conjunction with one; utility model essence is further understood in exemplary illustration and help; but the embodiment detail only is for utility model is described; do not represent utility model design whole technical schemes down; therefore should not be construed as the total technical scheme of utility model is limited; some are In the view of the technician; the unsubstantiality that does not depart from the utility model design increases and/or change; for example change or replace, all truely use novel protected scope so that technical characterictic with same or similar technique effect is simple.

Description of drawings

Fig. 1 is a prior art gravity type boat davit oil removing and water purifying device structural representation.

Fig. 2 is a utility model pressure type oil removing and water purifying device structural representation.

Embodiment

Embodiment: referring to Fig. 2, utility model pressure type oil removing and water purifying device, comprise that the bottom is tapered, the circular process cartridge 1 of top seal, the suspend circle of inside and outside sleeve structure of central section is mixed, flocculation internal reaction chamber 2 and outer reaction chamber 3, internal reaction chamber end-blocking (can prevent to enter short circuit) about in the of 2 wherein, there is posticum 6 in top top loop week, middle and upper part reaction chamber periphery has inclined tube tripping device 4, it (also can be the shark's fin of using always that there is the annular header 10 of band gully-hole inclined tube tripping device top, cruciform etc.), communicate with water outlet 7, water inlet pipe 8 is communicated with internal reaction chamber 2 with tangent line, the bottom has one or the sludge hopper separated of some trilateral cone-plates 11, and the awl bottom has and connects outside shore pipe 12.

The dosing treating water enters circular internal reaction tube 2 through water inlet pipe 8 tangential pressures, form strongly to forward spin flow, make medicine, the reaction of water thorough mixing, form flco gradually, enter outer ring reaction tube 3 through top water outlet 6, flco is further increased, out reaction tube increases manyfold suddenly because of the cross section, cause flow velocity to reduce, being relatively stably, upward flow passes through inclined tube tripping device 4, make oily flco and the heavy impurity and the water sepn of flocculation, falling to the bottom sludge hopper is regularly discharged by shore pipe 12, through inclined tube tripping device 4 separating impurity water purification, to collect by upper porous header 10, band for example presses 〉=and 0.3Mpa discharges by water outlet and directly enters follow-up filtration unit filtration treatment.

To those skilled in the art; under this patent design and specific embodiment enlightenment; some distortion that can directly derive or associate from this patent disclosure and general knowledge; those of ordinary skills will recognize also can adopt additive method; or the substituting of known technology commonly used in the prior art; and the mutual various combination between feature; for example process cartridge and/or mixing; flocculating chamber's alternation of cross-section (as rectangle or connect shape) more; less treatment capacity is omitted bottom collection mud triangle; the change of porous header form; adopt swash plate; waved plate replaces inclined tube; or the like unsubstantiality change, can be employed equally, can both realize this patent representation function and effect; launch for example no longer one by one to describe in detail, all belong to this patent protection domain.

Utility model goes up conveniently for describing, and said reaction chamber and reaction tube are synonym.

Claims

1. oil removing and water purifying device, comprise the processing cylindrical shell, built-in mixing, flocculation inside and outside sleeve reaction chamber, sleeve periphery inclined tube or swash plate or waved plate device for separating mud and water, it is characterized in that handling cylindrical shell and be enclosed construction, water inlet pipe is tangent line with inner sleeve and is connected, and the header of device for separating mud and water top is a sealing header with holes.

2. according to the described oil removing and water purifying device of claim 1, it is characterized in that the bottom has one or some trilateral cone-plates.

3. according to the described oil removing and water purifying device of claim 1, it is characterized in that internal reaction chamber end-blocking up and down.

4. according to claim 1,2 or 3 described oil removing and water purifying devices, it is characterized in that the internal reaction chamber of tube-in-tube structure and outer reaction chamber are rounded.