CN104478114A - Rotational flow air flotation separation device of tar ammonia water - Google Patents
Rotational flow air flotation separation device of tar ammonia water Download PDFInfo
- Publication number
- CN104478114A CN104478114A CN201410707470.1A CN201410707470A CN104478114A CN 104478114 A CN104478114 A CN 104478114A CN 201410707470 A CN201410707470 A CN 201410707470A CN 104478114 A CN104478114 A CN 104478114A
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- Prior art keywords
- jet
- pump
- air
- room
- oil removal
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Classifications
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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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/32—Hydrocarbons, e.g. oil
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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)
- Physical Water Treatments (AREA)
Abstract
The invention relates to a rotational flow air flotation separation device of tar ammonia water. The rotational flow air-flotation separation device comprises a feeding pump, a rotational flow separator, an air flotation oil removing chamber, a jet ejection pump, a jet ejector and a gas dissolving tank, wherein the feeding pump is arranged in front of the rotational flow separator; the rotational flow separator is connected with the air flotation oil removing chamber, so as to achieve two-stage separation; the air flotation oil removing chamber is connected with the jet ejection pump to guide out a part of the liquid; the jet ejector and the jet ejection pump are connected with the gas dissolving tank through pipelines; ammonia gas is introduced through the jet ejector; the ammonia gas is sufficiently mixed with the part of liquid guided out by the jet ejection pump through the gas dissolving tank and is subsequently fed back to the air flotation oil removing chamber through a jet ejection nozzle in a jet ejection and pressure reduction manner. The rotational flow air flotation separation device has the advantages that the structure and the auxiliary equipment are simple, a small area is occupied, the treatment capacity is large, the energy consumption is low, and the separation efficiency can be greater than 85%. As the ammonia gas is used as a gas source, the content of oxygen in ammonia water is reduced, the gas dissolution time is short, the equipment corrosion is alleviated, the process procedures are short, the investment is reduced, the operation is simple and convenient, the operation expense is small, and the effect is stable.
Description
Technical field
The present invention relates to the coal-tar middle oil tripping device with ammoniacal liquor of a kind of coking ammonia water process, particularly relate to a kind of cyclone air-flotation tripping device of tar ammonia.
Background technology
In coke-oven plant's ammonia disposal system, the tar gone out by gas-liquid separator separates and ammoniacal liquor enter mechanical dreg scraping trough remove coke tar refuse, after carry out settlement separate at tar and ammonia water separation hopper.Isolated tar enters tar medial launder and is then delivered to the storage of oil depot device; An ammoniacal liquor part melts down use as cyclic ammonia water, and remained ammonia enters ammonia steaming device again after standing, ceramic filter and jet air float oil removing.Aborning, oil removal efficiency is on the low side (being generally about 60%), remained ammonia oil-containing is too high perplexs subsequent handling always, the tar carried secretly in ammoniacal liquor is easy to blocking ammonia still process e-quipment and pipe, after entering dephenolize system, influential system microorganism active, directly affects the COD index of outer draining.
Summary of the invention
For overcoming the deficiencies in the prior art, the object of this invention is to provide a kind of cyclone air-flotation tripping device of tar ammonia, can be directly installed in coke-oven plant's remained ammonia treatment system, the tar carried secretly being had to the tripping device of better removal effect in ammoniacal liquor.
For achieving the above object, the present invention is achieved through the following technical solutions:
A cyclone air-flotation tripping device for tar ammonia, comprises fresh feed pump, cyclone separator, oil removal by air bubbling room, jet-pump, ejector, dissolving, and before fresh feed pump is located at cyclone separator, cyclone separator is connected with oil removal by air bubbling room, realizes the second-order separation; Oil removal by air bubbling room connects jet-pump extension liquid, ejector is connected with dissolving by pipeline with jet-pump, introduce nitrogen with ejector, the partially liq that nitrogen is drawn with jet-pump is fully mixed by dissolving, after return oil removal by air bubbling room by fluid jet nozzle jet release of pressure.
Described oil removal by air bubbling room is made up of the oil removal by air bubbling room of 4 ~ 6 series connection, establishes by burst size setter, control flow between each room between each room and dissolving.
Described oil removal by air bubbling indoor arrange weir plate and liquid level regulation device, and adjustment oil reservoir height, realizes whole flowing fulls of gas-floating chamber top oil reservoir.
Remained ammonia mixes with nitrogen in high-pressure spray mode by described jet-pump, is regulated entering nitrogen amount by ejector.
The tank internal pressure of described dissolving remains on 0.20 ~ 0.35Mpa, adopts nitrogen as dissolving source of the gas.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention is rational in infrastructure, and controllability is good, wide accommodation; Simply, floor space is little for structure of the present invention and auxiliary facility, and treatment capacity is large, and energy consumption is low, and separation efficiency can reach more than 85%.Adopt nitrogen as source of the gas, decrease ammonia water oxygen level, dissolved air time is short, alleviates equipment corrosion.Technical process is simple, and reduce investment outlay, easy and simple to handle, operation and maintenance cost is low, effect stability.Tar ammonia cyclone air-flotation tripping device easy to clean, safe and reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: the 4-jet-pump 5-ejector 6-dissolving of 1-fresh feed pump 2-cyclone separator 3-oil removal by air bubbling room.
Embodiment
Below in conjunction with Figure of description, the present invention is described in detail, but it should be noted that enforcement of the present invention is not limited to following embodiment.
See Fig. 1, the cyclone air-flotation tripping device of tar ammonia, comprises fresh feed pump 1, cyclone separator 2, oil removal by air bubbling room 3, jet-pump 4, ejector 5, dissolving 6, before fresh feed pump 1 is located at cyclone separator 2, cyclone separator 2 is connected with oil removal by air bubbling room 3, realizes the second-order separation; Oil removal by air bubbling room 3 connects jet-pump 4 extension liquid, ejector 5 is connected with dissolving 6 by pipeline with jet-pump 4, introduce nitrogen with ejector 5, the partially liq that nitrogen is drawn with jet-pump 4 is fully mixed by dissolving 6, after return oil removal by air bubbling room 3 by fluid jet nozzle jet release of pressure.
Wherein, oil removal by air bubbling room 3 is made up of the oil removal by air bubbling room 3 of 4 ~ 6 series connection, establishes by burst size setter, control flow between each room between each room and dissolving 6.Arrange weir plate and liquid level regulation device in oil removal by air bubbling room 3, adjustment oil reservoir height, realizes whole flowing fulls of gas-floating chamber top oil reservoir.Remained ammonia mixes with nitrogen in high-pressure spray mode by jet-pump 4, is regulated entering nitrogen amount by ejector 5.The tank internal pressure of dissolving 6 remains on 0.20 ~ 0.35Mpa, adopts nitrogen as dissolving source of the gas.
During work, remained ammonia after standing separation is under the pressure effect of fresh feed pump 1, cyclone separator 2 is tangentially entered with certain original speed, the component that density is different is separated under gravitational and centrifugal forces, the tar that density is larger flows downward along taper tube wall, discharged by bottom oil outlet, the ammoniacal liquor that density is less converges in center and outer tar countercurrent flow, discharges through top overflow port.Ammoniacal liquor through a cyclonic separation carries out secondary separation to enter oil removal by air bubbling room 3 from stream mode, and oil removal by air bubbling room 3 is divided into the oil removal by air bubbling room 3 of 4 ~ 6 series connection, establishes burst size setter, control to establish flow between each room between each room and dissolving 6.Extension ammoniacal liquor bottom water side, oil removal by air bubbling room 3, introduces nitrogen with ejector 5 simultaneously, to be mixed by ammoniacal liquor and squeeze into dissolving 6 with jet-pump 4 in high-pressure spray mode with nitrogen.Tank internal pressure is remained on 0.20 ~ 0.35Mpa, the two mix further dissolving 6 in laggard enter jet oil removing room, by fluid jet nozzle jet release of pressure, warp float redistributor distribution on microbubble, be distributed in oil removal by air bubbling room 3, and in uphill process, rise to liquid level after tar adsorption and other impurity, by oil removal weir plate and liquid level regulation device, overflow in flowing full mode, realize oil removing.
The present invention is through test oil removal efficiency of the present invention more than 85%, and the simultaneously also impurity such as other suspended substances adsorbable, reduces the coal-tar middle oil detrimentally affect to subsequent recovery technique of ammoniacal liquor, improve ammonia still process effect and quality product, reduce the maintenance cost of equipment.
Claims (5)
1. the cyclone air-flotation tripping device of a tar ammonia, it is characterized in that, comprise fresh feed pump, cyclone separator, oil removal by air bubbling room, jet-pump, ejector, dissolving, before fresh feed pump is located at cyclone separator, cyclone separator is connected with oil removal by air bubbling room, realizes the second-order separation; Oil removal by air bubbling room connects jet-pump extension liquid, ejector is connected with dissolving by pipeline with jet-pump, introduce nitrogen with ejector, the partially liq that nitrogen is drawn with jet-pump is fully mixed by dissolving, after return oil removal by air bubbling room by fluid jet nozzle jet release of pressure.
2. the cyclone air-flotation tripping device of a kind of tar ammonia according to claim 1, is characterized in that, described oil removal by air bubbling room is made up of the oil removal by air bubbling room of 4 ~ 6 series connection, establishes by burst size setter, control flow between each room between each room and dissolving.
3. the cyclone air-flotation tripping device of a kind of tar ammonia according to claim 1, is characterized in that, described oil removal by air bubbling indoor arrange weir plate and liquid level regulation device, and adjustment oil reservoir height, realizes whole flowing fulls of gas-floating chamber top oil reservoir.
4. the cyclone air-flotation tripping device of a kind of tar ammonia according to claim 1, is characterized in that, remained ammonia mixes with nitrogen in high-pressure spray mode by described jet-pump, is regulated entering nitrogen amount by ejector.
5. the cyclone air-flotation tripping device of a kind of tar ammonia according to claim 1, is characterized in that, the tank internal pressure of described dissolving remains on 0.20 ~ 0.35Mpa, adopts nitrogen as dissolving source of the gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410707470.1A CN104478114A (en) | 2014-11-28 | 2014-11-28 | Rotational flow air flotation separation device of tar ammonia water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410707470.1A CN104478114A (en) | 2014-11-28 | 2014-11-28 | Rotational flow air flotation separation device of tar ammonia water |
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| CN104478114A true CN104478114A (en) | 2015-04-01 |
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| CN201410707470.1A Pending CN104478114A (en) | 2014-11-28 | 2014-11-28 | Rotational flow air flotation separation device of tar ammonia water |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565433A (en) * | 2016-03-15 | 2016-05-11 | 山东钢铁股份有限公司 | Surplus ammonia water deoiler system with purging unit |
| CN106904754A (en) * | 2015-12-23 | 2017-06-30 | 上海宝钢化工有限公司 | A kind of remained ammonia waste-oil scavenger and deoiling method |
| CN111003831A (en) * | 2019-12-31 | 2020-04-14 | 湖南景翌湘台环保高新技术开发有限公司 | Pretreatment equipment and method for grinding oil stains and SS in wastewater |
| CN112999699A (en) * | 2021-04-30 | 2021-06-22 | 山东钢铁股份有限公司 | Automatic tar and ammonia water separation device and separation method thereof |
| CN115124104A (en) * | 2022-06-20 | 2022-09-30 | 山东科技大学 | Rotational flow air flotation oil removing system for oily sewage |
| CN116282361A (en) * | 2023-04-27 | 2023-06-23 | 柳州钢铁股份有限公司 | Full-flow state monitoring method for jet air-float oil remover |
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| US20020003115A1 (en) * | 1997-02-27 | 2002-01-10 | Conaway Lawrence M. | Method and apparatus for separating hydrocarbons from mineral substrates |
| CN103112991A (en) * | 2013-01-25 | 2013-05-22 | 深圳力合环保技术有限公司 | Coking wastewater treatment system and coking wastewater treatment method |
| CN104086045A (en) * | 2014-07-04 | 2014-10-08 | 宁波市恒洁水务发展有限公司 | Treatment system and method for sewage of coking plant |
| CN204265551U (en) * | 2014-11-28 | 2015-04-15 | 中冶焦耐工程技术有限公司 | A kind of cyclone air-flotation tripping device of tar ammonia |
-
2014
- 2014-11-28 CN CN201410707470.1A patent/CN104478114A/en active Pending
Patent Citations (4)
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| US20020003115A1 (en) * | 1997-02-27 | 2002-01-10 | Conaway Lawrence M. | Method and apparatus for separating hydrocarbons from mineral substrates |
| CN103112991A (en) * | 2013-01-25 | 2013-05-22 | 深圳力合环保技术有限公司 | Coking wastewater treatment system and coking wastewater treatment method |
| CN104086045A (en) * | 2014-07-04 | 2014-10-08 | 宁波市恒洁水务发展有限公司 | Treatment system and method for sewage of coking plant |
| CN204265551U (en) * | 2014-11-28 | 2015-04-15 | 中冶焦耐工程技术有限公司 | A kind of cyclone air-flotation tripping device of tar ammonia |
Non-Patent Citations (1)
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| 王永树等: "射流气浮除油技术在焦化废水预处理过程中的应用", 《柳钢科技》, no. 1, 31 March 2008 (2008-03-31) * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904754A (en) * | 2015-12-23 | 2017-06-30 | 上海宝钢化工有限公司 | A kind of remained ammonia waste-oil scavenger and deoiling method |
| CN105565433A (en) * | 2016-03-15 | 2016-05-11 | 山东钢铁股份有限公司 | Surplus ammonia water deoiler system with purging unit |
| CN111003831A (en) * | 2019-12-31 | 2020-04-14 | 湖南景翌湘台环保高新技术开发有限公司 | Pretreatment equipment and method for grinding oil stains and SS in wastewater |
| CN111003831B (en) * | 2019-12-31 | 2023-10-27 | 湖南景翌湘台环保高新技术开发有限公司 | Pretreatment equipment and method for oil stains and SS in grinding wastewater |
| CN112999699A (en) * | 2021-04-30 | 2021-06-22 | 山东钢铁股份有限公司 | Automatic tar and ammonia water separation device and separation method thereof |
| CN115124104A (en) * | 2022-06-20 | 2022-09-30 | 山东科技大学 | Rotational flow air flotation oil removing system for oily sewage |
| CN115124104B (en) * | 2022-06-20 | 2024-04-26 | 山东科技大学 | Rotational flow air floatation oil removal system for oily sewage |
| CN116282361A (en) * | 2023-04-27 | 2023-06-23 | 柳州钢铁股份有限公司 | Full-flow state monitoring method for jet air-float oil remover |
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Application publication date: 20150401 |