CN204714674U - A kind for the treatment of unit of steel rolling greasy filth - Google Patents

A kind for the treatment of unit of steel rolling greasy filth Download PDF

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Publication number
CN204714674U
CN204714674U CN201520365248.8U CN201520365248U CN204714674U CN 204714674 U CN204714674 U CN 204714674U CN 201520365248 U CN201520365248 U CN 201520365248U CN 204714674 U CN204714674 U CN 204714674U
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Prior art keywords
greasy filth
air flotation
flotation pool
oil
steel rolling
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Expired - Fee Related
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CN201520365248.8U
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Chinese (zh)
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唐鸿芳
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唐鸿芳
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Abstract

The utility model relates to a kind for the treatment of unit of steel rolling greasy filth, comprises and adds water agitation system and greasy filth separation system, described in add water agitation system and be communicated with described greasy filth separation system; Add water agitation system and comprise mixing pit, described mixing pit inside is provided with stirrer; Pulp pump is provided with between the described connecting pipeline adding water agitation system and described greasy filth separation system; Described greasy filth separation system comprises air flotation pool, the Skimming oil and Scraping sediment Machine and mud extraction transfer roller, and described the Skimming oil and Scraping sediment Machine is arranged on the top of described air flotation pool, and described mud extraction transfer roller is arranged on the bottom of described air flotation pool.The beneficial effects of the utility model are: facility investment is little, oil-sludge treatment amount is large; Production process environmental protection, do not produce any secondary pollution, treatment process is simple, and processing cost is low.

Description

A kind for the treatment of unit of steel rolling greasy filth
Technical field
The utility model belongs to iron and steel enterprise's oil-containing dirt mud and utilizes field, particularly relates to a kind for the treatment of unit of steel rolling greasy filth.
Background technology
At present, totally can be divided into two large classes to the treatment process of oily sludge at home and abroad, one is oxidative decomposition process, and namely with strong oxidizer or burning, this oil-sludge treatment technology is comparatively ripe, but exist energy consumption high, produce oil fume secondary pollution problem; Two is fractionations, namely in greasy filth, adds chemical and water, and by stirring, washing the object reaching oil and be separated with mud, equipment used is varied, and facility investment is large, and cleaning cost is high.
The oil-sludge treatment technique study that people produced oil field is in the past more, relatively less to the Study on processing method of the greasy filth that iron and steel enterprise hot-rolled process produces, and one of the oil removal treatment of hot rolling greasy filth and recycle difficult problem that to be smelter urgently to be resolved hurrily.The greasy filth annual production produced as certain large iron and steel enterprise hot rolling mill horizontal flow basin reaches several ten thousand tons, its butt oil length is generally 5 ~ 27%, after burning, all iron content is generally 65 ~ 70%, it is valuable iron element resource, but mix with unclassified stores without the greasy filth of oil removal treatment because moisture oil-containing is very difficult, producing oil smoke during roasting can to environment.
Application number is 201410816074.2, patent name is that oily sludge separating treatment equipment describes a kind of separating device, it above the air flotation pool of sealing, deuterostrophies urceolus is equipped with axle sleeve in two side, in deuterostrophies urceolus, concentric is provided with deuterostrophies tubular shaft, the outer side of transmitting gear is fixedly connected with deuterostrophies urceolus with connecting bearing pin, the i.e. left end face of one-level helical-blade bobbin, the fixing washpipe of large of plug-in mounting material on one-level screw outer cylinder right side outside deuterostrophies urceolus, in air flotation pool, the below of one-level screw outer cylinder is provided with vibratory screening apparatus, swash plate is provided with in the bottom of air flotation pool, at hopper built with roll crusher, on the right flank of air flotation pool, have oil discharge outlet and water port, the classification choosing that oily sludge separating treatment equipment achieves greasy filth material of different grain size is washed, the several functions of greasy dirt separating treatment can be completed simultaneously.This patent handling object is oil field mud, greasy filth needs fragmentation, also will add clean-out system, there is the problem that processing cost is high in treating processes.
Application number is 201310402723.x, patent name is the deoiling method that patent describes to hot rolling greasy filth under a kind of normal temperature condition of a kind of steel rolling greasy filth sorting agent and classifying method, namely in greasy filth, add the washing assistant of the aniorfic surfactant LAS and 2% ~ 4% of the nonionic surface active agent 6501,1% ~ 3% of 1% ~ 2% by mass percentage, surplus is water, wherein washing assistant be tripoly phosphate sodium STPP, water glass, sodium sulfate a kind of and more than.The environmental protection of the method production process, does not produce other secondary pollution, but dosing cost is higher.
Utility model content
In order to solve prior art Problems existing, the utility model provides a kind for the treatment of unit of steel rolling greasy filth, and it has, and facility investment is little, treatment capacity is large, production process environmental protection, do not produce the features such as secondary pollution, processing cost are low.
The technical scheme that the utility model adopts is:
A treatment unit for steel rolling greasy filth, comprises and adds water agitation system and greasy filth separation system, described in add water agitation system and be communicated with described greasy filth separation system.Greasy filth adds water after agitation and dilution, passes into greasy filth separation system, can realize the separation of oil, water, mud, and treating processes environmental protection, does not produce secondary pollution, and can reuse iron element resource wherein.
Further, described in add water agitation system and comprise mixing pit, described mixing pit inside is provided with stirrer; Described adding between the mixing pit of water agitation system and the connecting pipeline of described greasy filth separation system, is provided with Pulp pump.Greasy filth and water are thoroughly mixed to form suspension liquid, complete the pre-treatment step of greasy filth, and then suspension liquid is pumped into greasy filth separation system by Pulp pump, are conducive to carrying out separating treatment.
Preferably, the lip of described mixing pit offers oil spilling mouth.Oil slick on suspension liquid flows out by oil spilling mouth, thus cutting out partial oil content.
Further, described in add water agitation system and also comprise hopper and feeding machine, described hopper is communicated with described mixing pit by described feeding machine.By hopper and feeding machine, greasy filth is filled in mixing pit, and can, according to the processing power of mixing pit and greasy filth separation system, realizes quantitatively throwing in.
Further, described greasy filth separation system comprises air flotation pool, the Skimming oil and Scraping sediment Machine and mud extraction transfer roller, and described the Skimming oil and Scraping sediment Machine is arranged on the top of described air flotation pool, and described mud extraction transfer roller is arranged on the bottom of described air flotation pool.Microbubble in air flotation pool adsorbs the grease in suspension liquid and rises to the top of liquid level, be water, and heavy composition is deposited to the bottom of system, thus achieves the separation of oil-water-mud under liquid level dregs of fat layer.
Further, described greasy filth separation system also comprises aerogenesis portion, and described aerogenesis portion comprises the air pump, gas tank and the reliever that are communicated with successively, and described reliever is arranged on the middle part of described air flotation pool.The Skimming oil and Scraping sediment Machine scrapes and floats over oil content on liquid level and suspended substance, and mud extraction transfer roller exports the iron content pug be deposited at the bottom of pond.The reliever of traditional air flotation pool is positioned at bottom, and in the utility model, reliever is positioned at the middle part of air flotation pool, namely effectively realizes being separated iron scale and separating of oil object, the object that the iron scale after oil removing transports out by the mud extraction transfer roller not affecting again installation at the bottom of pond.
Preferably, described reliever is microbubble generator, and described microbubble generator is horizontally set on the middle part of described air flotation pool.Microbubble generator discharges micron-sized bubble, can the little component of active adsorption proportion.
Preferably, the top of described air flotation pool is connected with rising pipe, and described rising pipe is communicated with described gas tank with the described water agitation system that adds respectively.The moisture of oil reservoir bottom, by rising pipe, flows to mixing pit and aerogenesis portion respectively, thus realizes the recycle of moisture.
The beneficial effects of the utility model are: facility investment is little, oil-sludge treatment amount is large; Production process environmental protection, do not produce any secondary pollution, treatment process is simple, and processing cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A-A sectional view in Fig. 1.
In figure, 1, hopper; 2, feeding machine; 4, stirrer; 6, mixing pit; 7, Pulp pump; 8, air flotation pool; 9, the Skimming oil and Scraping sediment Machine; 11, reliever; 13, mud extraction transfer roller; 17, gas tank; 18, air pump.
Embodiment
As shown in Figure 1, the utility model provides a kind for the treatment of unit of steel rolling greasy filth, and it comprises and adds water agitation system and greasy filth separation system.
Add mud stirring system and comprise hopper 1, feeding machine 2, mixing pit 6 and stirrer 4.Dissolved air flotation system is by Pulp pump 7, air flotation pool 8, the Skimming oil and Scraping sediment Machine 9, mud extraction transfer roller 13, reliever 11, gas tank 17, air pump 18.
The feed opening of greasy filth hopper 1 is connected with the feed end of feeding machine 2, and the discharge end of feeding machine 2 connects with the top of chute, and the bottom of chute is connected with the mud mouth that adds of mixing pit 6, is provided with stirrer 4 in mixing pit 6.The lip of mixing pit 6 is provided with oil spilling mouth, and oil spilling mouth is connected with oil trap.Be provided with muddy water outlet in the middle part of mixing pit 6, this water outlet is connected with the water inlet of Pulp pump 7, and Pulp pump 7 water outlet is connected with air flotation pool 8 water inlet.
As shown in Figure 2, air flotation pool 8 top is provided with the Skimming oil and Scraping sediment Machine 9, and the dregs of fat are scraped into oil trap by scraper plate.Mud extraction transfer roller 13 is installed bottom air flotation pool 8.Aerogenesis portion comprises the air pump 18, gas tank 17 and the reliever 11 that are communicated with successively, and it can the micro-bubble of height of formation dispersion in water, and is passed in air flotation pool 8 by reliever 11.Reliever 11 is laid in the middle part of air flotation pool 8 pool wall, and reliever 11 is connected with gas tank 17 by dissolved air water pipeline, and air pump 18 exports and is connected with gas tank 17.The water outlet on air flotation pool 8 top is connected with mixing pit, air pump respectively by circulation waterway, return line.
Wherein, hopper 1, chute, mixing pit 6, air flotation pool 8 are formed by Plate Welding, and connection line is metal tube.
Working process of the present utility model is as follows:
Hot rolling greasy filth is grabbed in material bin by grab bucket, and quantitative greasy filth is delivered in mixing pit through feeding machine, when greasy filth and water stir certain hour, and the mud namely formed, water, oily suspension liquid, and be pumped to air flotation pool by Pulp pump.Reliever in air flotation pool discharges a large amount of microbubble, and most of oil and the little suspended substance of proportion and bubble formation flocs float form oil reservoir to liquid level, and middle level is water layer, and heavy material natural subsidence, accumulates bottom pond.Suspension liquid is after oil removal by air bubbling, and the dregs of fat on liquid level scrape in oil trap by the Skimming oil and Scraping sediment Machine being arranged on air flotation pool top.The heavy thin iron scale particle of the bottom of air flotation pool, be then installed in the iron scale particle discharge air flotation pool that these deposit by the mud extraction transfer roller bottom air flotation pool.
The top of mixing pit bucket wall offers oil spilling mouth, and the supernatant dregs of fat can be flowed in oil trap by oil spilling mouth.The top of air flotation pool is provided with water outlet, water after part oil removing is squeezed in dissolving through pipeline by the water pump that refluxes, additionally by air pump gas inject dissolving, the dissolved air water formed in dissolving through dissolved air water Pipeline transport to reliever, reliever discharges a large amount of microbubble in air flotation pool, realizes greasy filth oil removing.And the water after another part oil removing recycles with greasy filth mix and blend through circulating water line injection mixing pit.
In mud sump after oil removing, pug butt oil length is not more than 4%, and iron cellulose content is very high, and therefore, pug can be used as raw materials for sintering and directly utilizes.And containing a large amount of waste oil in the isolated dregs of fat, refinery can be sold and utilize.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection domain of the present utility model.

Claims (8)

1. a treatment unit for steel rolling greasy filth, is characterized in that: comprise and add water agitation system and greasy filth separation system, described in add water agitation system and be communicated with described greasy filth separation system.
2. the treatment unit of steel rolling greasy filth according to claim 1, is characterized in that: described in add water agitation system and comprise mixing pit, described mixing pit inside is provided with stirrer; Pulp pump is provided with in the connecting pipeline of described mixing pit and described greasy filth separation system.
3. the treatment unit of steel rolling greasy filth according to claim 2, is characterized in that: the lip of described mixing pit offers oil spilling mouth.
4. the treatment unit of steel rolling greasy filth according to claim 3, is characterized in that: described in add water agitation system and also comprise hopper and feeding machine, described hopper is communicated with described mixing pit by described feeding machine.
5. the treatment unit of the steel rolling greasy filth according to any one of claim 1-4, it is characterized in that: described greasy filth separation system comprises air flotation pool, the Skimming oil and Scraping sediment Machine and mud extraction transfer roller, described the Skimming oil and Scraping sediment Machine is arranged on the top of described air flotation pool, and described mud extraction transfer roller is arranged on the bottom of described air flotation pool.
6. the treatment unit of steel rolling greasy filth according to claim 5, it is characterized in that: described greasy filth separation system also comprises aerogenesis portion, described aerogenesis portion comprise be communicated with successively air pump, gas tank and reliever, described reliever is arranged on the middle part of described air flotation pool.
7. the treatment unit of steel rolling greasy filth according to claim 6, is characterized in that: described reliever is microbubble generator, and described microbubble generator is horizontally set on the middle part of described air flotation pool.
8. the treatment unit of steel rolling greasy filth according to claim 7, is characterized in that: the top of described air flotation pool is connected with rising pipe, and described rising pipe is communicated with described gas tank with the described water agitation system that adds respectively.
CN201520365248.8U 2015-05-29 2015-05-29 A kind for the treatment of unit of steel rolling greasy filth Expired - Fee Related CN204714674U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106809912A (en) * 2015-12-02 2017-06-09 鞍钢股份有限公司 A kind of hot rolling greasy filth air supporting de-oiling system and method for deoiling
CN106809899A (en) * 2015-12-02 2017-06-09 鞍钢股份有限公司 A kind of hot rolling horizontal flow basin air supporting de-oiling system and method for deoiling
CN106809936A (en) * 2015-12-02 2017-06-09 鞍钢股份有限公司 De-oiling system and method for deoiling are cleaned in a kind of hot rolling horizontal flow basin air supporting
CN106810028A (en) * 2015-12-02 2017-06-09 鞍钢股份有限公司 De-oiling system and method for deoiling are cleaned in a kind of hot rolling greasy filth air supporting
CN108658401A (en) * 2018-05-17 2018-10-16 深圳科力迩科技有限公司 Greasy filth cleaning method
CN108751630A (en) * 2018-05-17 2018-11-06 深圳科力迩科技有限公司 Greasy filth cleaning method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106809912A (en) * 2015-12-02 2017-06-09 鞍钢股份有限公司 A kind of hot rolling greasy filth air supporting de-oiling system and method for deoiling
CN106809899A (en) * 2015-12-02 2017-06-09 鞍钢股份有限公司 A kind of hot rolling horizontal flow basin air supporting de-oiling system and method for deoiling
CN106809936A (en) * 2015-12-02 2017-06-09 鞍钢股份有限公司 De-oiling system and method for deoiling are cleaned in a kind of hot rolling horizontal flow basin air supporting
CN106810028A (en) * 2015-12-02 2017-06-09 鞍钢股份有限公司 De-oiling system and method for deoiling are cleaned in a kind of hot rolling greasy filth air supporting
CN106810028B (en) * 2015-12-02 2020-06-23 鞍钢股份有限公司 Hot rolling oil sludge air floatation cleaning and deoiling system and deoiling method
CN106809936B (en) * 2015-12-02 2020-09-01 鞍钢股份有限公司 Air floatation cleaning and deoiling system and method for hot rolling advection tank
CN108658401A (en) * 2018-05-17 2018-10-16 深圳科力迩科技有限公司 Greasy filth cleaning method
CN108751630A (en) * 2018-05-17 2018-11-06 深圳科力迩科技有限公司 Greasy filth cleaning method

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151021

Termination date: 20170529

CF01 Termination of patent right due to non-payment of annual fee