CN101348317B - Mobile recoverable oil sludge oil sand processing unit - Google Patents
Mobile recoverable oil sludge oil sand processing unit Download PDFInfo
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- CN101348317B CN101348317B CN2008101247970A CN200810124797A CN101348317B CN 101348317 B CN101348317 B CN 101348317B CN 2008101247970 A CN2008101247970 A CN 2008101247970A CN 200810124797 A CN200810124797 A CN 200810124797A CN 101348317 B CN101348317 B CN 101348317B
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Abstract
The invention discloses a mobile treatment device for recoverable oil sludge and oil sand. The mobile treatment device comprises a first box body and a second box body, wherein both box bodies are provided with hoist rings, and bottoms of both box bodies are welded by channel steel and steel plates; the first box body is provided with a reaction tank, a settling tank, a separation tank, an airfloated device, a reclaimed water tank, a hot water tank, a water-replenishing tank, a dosing device and a PLC controlling device; and the second box body is provided with a sludge concentrated tank, a sludge pressure filter and a dosing device. The mobile treatment device has the advantages that the treatment device has a whole set of supply, and can be put on a trailer so as to be transported to and used at another oil field, thereby saving investment and ensuring convenient management; the treatment device greatly improves the treatment and recovery of oil sludge and oil sand in an oil field, and provides a complete set of device for separating and reclaiming oil, water, sludge and sand; meanwhile, the treatment device reduces environmental pollution without generating secondary pollution, and also increases the utilization rate of land and crude oil; moreover, the treatment device has the advantages of reliable equipment performance, stable operation, low cost, convenient management and maintenance, compact structure, small land occupation, economical and reasonable layout and less investment.
Description
Technical field
The invention discloses a kind of mobile recoverable oil sludge oil sand processing unit.
Background technology
Along with rapid development of economy, also more and more stronger to the demand and the dependency of the energy, oil especially.But the face of oil production, amount are many more, and the various pollutions of Chan Shenging are also just more and more thereupon, and also the oil field faces and the problem of necessary solution with regard to becoming how to solve the pollution in oil field and water saving, and is wherein urgent with the processing of oil sludge oil sand especially., part crude oil open flow is arranged inevitably or be carried into soil or well site by oil pipe, sucker rod, pump and other subsurface tools particularly in well recovery production and the borehole operation construction process in oil-field development, these crude oil infiltrate surface soils, form oil sludge oil sand; In addition, various oil tanks also can produce some oil sludge oil sands in natural subsidence.The composition of oil sludge oil sand mainly is oil, silt particle and water, and the content of oil is higher, and what work the mischief to environment is crude oil.Oil sludge oil sand is bulky, if do not handled directly discharging, not only take a large amount of arable lands, and all will pollute surrounding soil, water body, air, produce with foul gas, mud contains heavy metals such as a large amount of pathogenic bacterias, parasite (ovum), copper, zinc, chromium, mercury, the hazardous and noxious substances of difficult degradations such as salt and polychlorobiphenyl, Dioxins, radionuclide, so the processing of oil sludge oil sand is a great problem in puzzlement oil field always.
It is with minimizing, resource utilization, the harmless principle that turns to that oil sludge oil sand is handled final purpose.The treatment process that oil sludge oil sand is commonly used: simple process, physical chemistry processing, biotechnology, burning disposal, make fuel treatment etc.
1. simple process: landfill all has simple characteristics after direct landfill of oil sludge oil sand or the curing.The direct landfill of oil sludge oil sand is the main oil sludge oil sand method of disposal of present domestic most Oilfield using, but this method had both been wasted the valuable energy wherein, might cause environmental pollution again.Wherein, the method for solidifying the back landfill can reduce environmental hazard, but majority can not satisfy existing environmental requirement.
2. physical chemistry is handled: all kinds of physical chemistry treatment processs are many to be purpose to reclaim crude oil, therefore mainly be applicable to the oil sludge oil sand that oleaginousness is higher, treating processes need add chemical agent usually, needs special treatment facility, complex disposal process, cost is higher.The shortcoming of this method is that recovery of oil is not thorough, has the problem of waste water and waste residue secondary pollutant, still needs further to handle and reclaim.
3. biologic treating technique: realize the solid-liquid separation of oil sludge oil sand and the removal of oil by biologic treating technique, residual residue reaches the mud discharging standard, is subjected to domestic and international environmental protection industry circle personage common concern and attention at present.It is low that biological treatment has save energy, less investment, working cost, and need not add chemical agent, and consumes energy is less, environmental protection.But soil cultivating method and composting process need the big area soil, and the bio-reactor method still has waste sludge discharge, and the treatment time is long, complicated operation.
4. burning method: burning must be carried out in the special incinerator of setting up, and can eliminate the harmful organic substance in the oil sludge oil sand more up hill and dale, as not considering the comprehensive utilization of combustion heat energy, can cause energy dissipation.
5. make fuel: as fuel is a kind of comprehensive utilization mode of utilizing the contained energy in the oil sludge oil sand, but can not extract crude oil wherein.
Summary of the invention
Goal of the invention: the objective of the invention is to overcome the deficiencies in the prior art, a kind of simple to operate, dependable performance, conveniently moving are provided, are convenient to install and use and the mobile recoverable oil sludge oil sand processing unit of the novel energy-saving environment-friendly that the oil in the oily sludge, water, silt particle can be separated and reclaim respectively.
Technical scheme: a kind of mobile recoverable oil sludge oil sand processing unit, it comprises first casing and second casing, and first casing, second casing are provided with the hoisting ring that loads usefulness, and two bottom halves are welded by channel-section steel and steel plate;
Be provided with reactive tank, slurry tank, oil trap, air-floating apparatus, middle water tank, hot well tank, water supply tank, chemicals dosing plant and PLC control device in first casing, in to establish one section cell wall of cell wall of reactive tank of whipping appts and slurry tank shared, shared cell wall is provided with through hole; One section cell wall of one cell wall of slurry tank and oil trap is shared, and shared cell wall is provided with through hole; The water outlet of oil trap is communicated with air-floating apparatus, also is provided with oil outlet on the oil trap; Air-floating apparatus comprises dissolved air water pump and dissolving, and air-floating apparatus is communicated with middle water tank; In water tank with in be provided with the shared cell wall of hot well tank of heating unit, shared cell wall is provided with through hole, cell wall and tank wall of hot well tank of middle water tank are shared with one section tank skin of slurry tank respectively; Hot well tank is communicated with reactive tank by water circulating pump, and water supply tank is communicated with hot well tank by small pump; Be provided with the chemicals dosing plant that adds medicament for reactive tank in first casing; Reactive tank, oil trap and air-floating apparatus are communicated with slurry tank by the mud evacuated tube;
Be provided with sludge thickener, sludge press filtration machine in second casing and for the sludge press filtration machine adds the chemicals dosing plant of medicament, sludge thickener links to each other with the sludge press filtration machine by being located at second case intravital mud spiral pump;
First the case intravital slurry tank is communicated with second case intravital sludge thickener by sludge pump, and first casing and second case intravital each equipment operation are by first case intravital PLC control device control;
The connecting tube of slurry tank and sludge thickener and first case intravital reactive tank, slurry tank, oil trap, air-floating apparatus, middle water tank, hot well tank, water supply tank are equipped with thermal insulation layer.
Heating unit in the described hot well tank is electric heater and steam heater.
Be provided with the electric heating tube that guarantees breakdown of emulsion hybrid reaction temperature in the described reactive tank.
The lagging material of described thermal insulation layer is a rigid urethane foam.
Workflow of the present invention is as shown in Figure 1, 2:
(1), the oil sludge oil sand that produces in process of production of oil field is stored in the mud-collecting well, generally directly utilizes oil-collecting hole, work area, oil field.Oil sludge oil sand rises in the reactive tank by being arranged on first case intravital sludge pump, dropping into emulsion splitter and hot water is simultaneously also stirred, the motor of this mechanical stirring device adopts electrodeless variable-speed to drive, stirring intensity can be regulated arbitrarily in certain speed adjustable range as required, to guarantee the thorough mixing of oil sludge oil sand, emulsion splitter and hot water, thereby guaranteed the validity of breakdown of emulsion reaction, realized oil, water, the triphasic basic separation of body refuse, reactive tank water outlet gravity flow enters slurry tank and separates.The oil of separating reclaims after draining into the crude oil collection box by oil exit pipe.During the reactive tank maintenance, body refuse drains into slurry tank through the mud evacuated tube.
(2), enter slurry tank through the reacted oil sludge oil sand gravity flow of breakdown of emulsion and carry out gravity settling separation.In slurry tank, realize oil, water, the triphasic separation fully of body refuse.The body refuse that slurry tank is separated enters sludge thickener by being located at first case intravital sludge pump; If find that separating effect is undesirable, the body refuse of then separating enters reactive tank by this sludge pump backflow and carries out the breakdown of emulsion reaction again.The oil that slurry tank is separated drains into the crude oil collection box by oil exit pipe.
(3), flow into oil trap through the through hole of slurry tank and the shared cell wall of oil trap, establish the swash plate filler in the oil trap, utilize in the gravity separation principle removal waste water particle diameter greater than the oil slick of 50um at slurry tank sedimentation liquid later; Make the suspended matter in the water be precipitated removal simultaneously.The oil outlet of oil trap is communicated with the crude oil collection device, and the oil of separating drains into back recovery in the crude oil collection device case.The body refuse that oil trap is separated drains into slurry tank through the mud evacuated tube.
(4), the gravity flow of the waste water after the oil trap oil removal enters air-floating apparatus.Air supporting is adopted the aerator of United States advanced technology to carry out flotation and is handled, and the air-floating apparatus major parts adopts the rotary-cutting type aerator.This device is to utilize the rotary-cutting type impeller to produce vacuum action under high speed rotating, sucks air and recirculation water and finishes that effective air water mixes and the cutting of mixed phase, thereby produce a large amount of trickle bubbles.The microbubble minimum diameter reaches 0.5 micron, most of bubble diameter is between 10～300 microns, it is adhered on the impurity wadding grain, cause the state of the whole proportion of impurity wadding grain less than water, and rely on buoyancy that it is floated to the water surface, thereby obtain the method for solid-liquid separation, mainly remove suspended substance and suspension oil in the water.The oil of separating reclaims after oil exit pipe drains into the crude oil collection box.The body refuse that air-floating apparatus is separated drains into slurry tank through the mud evacuated tube.
Part in the air-floating apparatus water outlet enters middle water tank, and middle water tank is as the water source of dissolved air water pump in the air-floating apparatus.Consider the stability of system and the limitation of field condition, a hot well tank is set in first casing.Hot well tank and middle water tank be wall altogether, reserves a hole on the wall, and electric heater and steam heater are set in the hot well tank, as the heating water.This part heating water enters reactive tank by being located at first case intravital water circulating pump lifting, guarantees normally carrying out of reactive tank breakdown of emulsion reaction.When in the hot well tank during water shortage, start small pump, water in the water supply tank is replenished into hot well tank.
(5), the body refuse of slurry tank generation enters second case intravital sludge thickener by sludge pump.Sludge thickener adopts the gravity concentration principle to carry out concentration, to reduce sludge volume.Mud after concentrating promotes and enters the sludge press filtration machine and carry out press filtration by being located at second case intravital sludge pump, and with the oily substance in the further minimizing mud and the content of water, dewatered sludge is regularly transported outward landfill or burning.In second casing, also be provided with the chemicals dosing plant that adds medicament into the sludge press filtration machine.
Sludge thickener supernatant liquor and sludge press filtration machine percolate all reflux and enter mud-collecting well.
Beneficial effect: (1) a complete set of processing unit is a whole set of supply, can be placed on to transport to other oil field use on the trailer at any time, has so both saved investment, is convenient to management again.(2) improve the processing and the recovery of oil field mud oil-sand greatly, separate and retrieving arrangement, reduce environmental pollution, and do not have secondary pollution, the utilization ratio of increase soil and crude oil for the oil field provides a cover oil, water, silt particle.(3) simple, the dependable performance of operation of equipment, stable, working cost is low, management and maintenance is convenient.(4) compact equipment, floor space is little, the layout economical rationality, reduced investment has been cut down gross investment and working cost.
Description of drawings
Fig. 1 is a main-process stream synoptic diagram of the present invention.
Fig. 2 is a sludge treatment schematic flow sheet of the present invention.
Fig. 3 is the equipment of the present invention's first box house synoptic diagram of arranging.
Fig. 4 is the equipment of the present invention's second box house synoptic diagram of arranging.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further explanation.
Shown in Fig. 3,4, mobile recoverable oil sludge oil sand processing unit of the present invention comprises and is equipped with the hoisting ring that loads usefulness on first casing 1 and second casing, 2, the first casings 1, second casing 2 that two bottom halves are welded by channel-section steel and steel plate.
Be provided with reactive tank 11, slurry tank 12, oil trap 13, air-floating apparatus 14, middle water tank 15, hot well tank 16, water supply tank 17, chemicals dosing plant 18 and PLC control device 19 in first casing 1.Oil sludge oil sand in the mud-collecting well is delivered in the reactive tank 11 by a sludge pump that is located in first casing 1, in to establish one section cell wall of cell wall of reactive tank 11 of whipping appts and slurry tank 12 shared, shared cell wall is provided with through hole, and reactive tank 11 internal reactions liquid via through holes later flows into slurry tank 12.One section cell wall of another cell wall of slurry tank 12 and oil trap 13 is shared, shared cell wall is provided with through hole, liquid via through holes in the slurry tank 12 after the sedimentation flows into oil trap 13, and the body refuse that slurry tank 12 is separated enters sludge thickener 21 by another sludge pump that is located in first casing 1; If find that separating effect is undesirable, the body refuse of then separating enters reactive tank 11 by this sludge pump backflow and carries out the breakdown of emulsion reaction again.Two sludge pumps are located at below the steel platform of placing chemicals dosing plant 18.The water outlet of oil trap 13 is communicated with air-floating apparatus 14, and the water after oil trap 13 oil removals flows into air-floating apparatus 14 from through hole.Also be provided with oil outlet on the oil trap 13, the oil after the separation is recycled after flowing into the crude oil collection box.Air-floating apparatus 14 comprises dissolved air water pump and dissolving, and dissolved air water pump and dissolving are located at below first case intravital steel platform.The water outlet of air-floating apparatus 14 links to each other with the water inlet of middle water tank 15, and water tank 15 internal recycle used during a part of water in the air-floating apparatus 14 flowed into.In water tank 15 with in be provided with the hot well tank 16 shared cell walls of heating unit, shared cell wall is provided with through hole, middle water tank 15 and hot well tank 16 interior water can communicate by this through hole.Middle water tank 15 is shared with one section tank skin of slurry tank 12 respectively with another tank wall of hot well tank 16.Hot well tank 16 is communicated with reactive tank 11 by water circulating pump, and the delivery in the hot well tank 16 in reactive tank 11, is guaranteed the temperature of breakdown of emulsion reaction.Water supply tank 17 is communicated with hot well tank 16 by small pump, during water shortage in the hot well tank 16, by small pump the water in the water supply tank 17 is added in the hot well tank 16.Small pump and water circulating pump are located on first case intravital steel platform.Be provided with two chemicals dosing plants 18 that add emulsion splitter and flocculation agent for reactive tank 11 in first casing 1.Reactive tank 11, oil trap 13 and air-floating apparatus 14 are communicated with slurry tank 12 by the mud evacuated tube, and the mud sediment enters in the slurry tank 12 by the mud evacuated tube.
Be provided with sludge thickener 21, sludge press filtration machine 22 and chemicals dosing plant 23 in second casing 2, slurry tank 12 is communicated with sludge thickener 21 by the sludge pump that is located in first casing 1, and the mud sediment in the slurry tank 12 enters in the sludge thickener 21.Sludge thickener 21 links to each other with sludge press filtration machine 22 by the mud spiral pump that is located in second casing 2, and described sludge press filtration machine 22 is a plate-and-frame filter press.Also be provided with the chemicals dosing plant 23 that adds medicament for sludge press filtration machine 22 in second casing 2, the mud cake after 22 press filtrations of sludge press filtration machine is stored in the mud cake storage tank, regularly transports; Some filtrate is back in the mud-collecting well of oil field in addition, reenters reactive tank 11 internal reactions.
Slurry tank 12 in first casing 1 is communicated with sludge thickener 21 in second casing 2 by sludge pump, and each equipment operation in first casing 1 and second casing 2 is controlled by first casing, 1 interior PLC control device 19.
The connecting tube of slurry tank 12 and sludge thickener 21 and other are placed on airborne connecting tube and valve, and reactive tank 11, slurry tank 12, oil trap 13, air-floating apparatus 14, middle water tank 15, hot well tank 16, water supply tank 17 in first casing 1 are equipped with thermal insulation layer.The lagging material of described thermal insulation layer can be rigid urethane foam or other similar lagging material, and to guarantee the works better under cold condition, lagging material can be rigid urethane foam or other similar lagging material.
Heating unit in the described hot well tank 16 is electric heater and steam heater, is provided with temperature control system simultaneously temperature is controlled at set(ting)value.Be provided with the electric heating tube that guarantees breakdown of emulsion hybrid reaction temperature in the described reactive tank 11.
The invention provides a kind of thinking and method of mobile recoverable oil sludge oil sand processing unit; the method and the approach of this technical scheme of specific implementation are a lot; the above only is a preferred implementation of the present invention; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.The all available prior art of each component part not clear and definite in the present embodiment is realized.
Claims (4)
1. mobile recoverable oil sludge oil sand processing unit, it is characterized in that: it comprises first casing (1) and second casing (2), first casing (1), second casing (2) are provided with the hoisting ring that loads usefulness, and two bottom halves are welded by channel-section steel and steel plate;
Be provided with reactive tank (11), slurry tank (12), oil trap (13), air-floating apparatus (14), middle water tank (15), hot well tank (16), water supply tank (17), chemicals dosing plant (18) and PLC control device (19) in first casing (1), in to establish one section cell wall of cell wall of reactive tank (11) of whipping appts and slurry tank (12) shared, shared cell wall is provided with through hole; One section cell wall of another cell wall of slurry tank (12) and oil trap (13) is shared, and shared cell wall is provided with through hole; The water outlet of oil trap (13) is communicated with air-floating apparatus (14), and oil trap also is provided with oil outlet on (13); Air-floating apparatus (14) comprises dissolved air water pump and dissolving, and air-floating apparatus (14) is communicated with middle water tank (15); In water tank (15) with in be provided with the shared cell wall of hot well tank (16) of heating unit, shared cell wall is provided with through hole, a tank wall of a tank wall of middle water tank (15) and hot well tank (16) is shared with one section tank skin of slurry tank (12) respectively; Hot well tank (16) is communicated with reactive tank (11) by water circulating pump, and water supply tank (17) is communicated with hot well tank (16) by small pump; Be provided with the chemicals dosing plant (18) that adds medicament for reactive tank (11) in first casing (1); Reactive tank (11), oil trap (13) and air-floating apparatus (14) are communicated with slurry tank (12) by the mud evacuated tube;
Be provided with sludge thickener (21), sludge press filtration machine (22) in second casing (2) and for sludge press filtration machine (22) adds the chemicals dosing plant (23) of medicament, sludge thickener (21) links to each other with sludge press filtration machine (22) by the mud spiral pump that is located in second casing (2);
Slurry tank (12) in first casing (1) is communicated with sludge thickener (21) in second casing (2) by the sludge pump that is located in first casing (1), and each equipment in first casing (1) and second casing (2) moves by the interior PLC control device (19) of first casing (1) and controls;
Slurry tank (12) is equipped with thermal insulation layer with the connecting tube of sludge thickener (21) and reactive tank (11), slurry tank (12), oil trap (13), air-floating apparatus (14), middle water tank (15), hot well tank (16), the water supply tank (17) in first casing (1).
2. mobile recoverable oil sludge oil sand processing unit according to claim 1 is characterized in that: the heating unit in the described hot well tank (16) is electric heater and steam heater.
3. mobile recoverable oil sludge oil sand processing unit according to claim 1 is characterized in that: be provided with the electric heating tube that guarantees breakdown of emulsion hybrid reaction temperature in the described reactive tank (11).
4. mobile recoverable oil sludge oil sand processing unit according to claim 1 is characterized in that: the lagging material of described thermal insulation layer is a rigid urethane foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2008101247970A CN101348317B (en) | 2008-09-04 | 2008-09-04 | Mobile recoverable oil sludge oil sand processing unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101247970A CN101348317B (en) | 2008-09-04 | 2008-09-04 | Mobile recoverable oil sludge oil sand processing unit |
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| CN101348317A CN101348317A (en) | 2009-01-21 |
| CN101348317B true CN101348317B (en) | 2010-06-09 |
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| CN2008101247970A Expired - Fee Related CN101348317B (en) | 2008-09-04 | 2008-09-04 | Mobile recoverable oil sludge oil sand processing unit |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102627381B (en) * | 2012-04-26 | 2013-10-09 | 陕西科技大学 | Two-step method resource treatment process for sludge containing oil |
| CN103523982B (en) * | 2013-10-29 | 2015-10-07 | 中国石油天然气股份有限公司 | Electric-coagulationoil-water-sedimentatseparation oil-water-sedimentatseparation separation device |
| CN106746420B (en) * | 2017-03-08 | 2023-11-24 | 仇霞霞 | Treatment system and treatment method for oily sludge |
| CN111594095B (en) * | 2020-05-06 | 2022-03-25 | 甘肃中科聚合石油科技有限公司 | Oily sludge profile control device for water shutoff |
| CN115557662A (en) * | 2022-11-11 | 2023-01-03 | 四川永沁环境工程有限公司 | Mud cake pressing machine for sewage treatment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1339409A (en) * | 2001-08-22 | 2002-03-13 | 盘锦市华意环境工程有限公司 | Condensed oil waste water deep treating and reusing technology |
| CN1868931A (en) * | 2006-06-06 | 2006-11-29 | 史宝荣 | Technological method and equipment for separating and purifying oil-containing mud sand |
| CN1944289A (en) * | 2006-10-23 | 2007-04-11 | 中国石油大学(北京) | Pre-treating process for sewage from thick oil refining |
| CN101054244A (en) * | 2007-03-14 | 2007-10-17 | 安东石油技术（集团）有限公司 | Process for treating sewage of oil field |
| CN201272726Y (en) * | 2008-09-04 | 2009-07-15 | 江苏兴邦环保工程科技有限公司 | Movable recoverable oil sludge and oil sand processing equipment |
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2008
- 2008-09-04 CN CN2008101247970A patent/CN101348317B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1339409A (en) * | 2001-08-22 | 2002-03-13 | 盘锦市华意环境工程有限公司 | Condensed oil waste water deep treating and reusing technology |
| CN1868931A (en) * | 2006-06-06 | 2006-11-29 | 史宝荣 | Technological method and equipment for separating and purifying oil-containing mud sand |
| CN1944289A (en) * | 2006-10-23 | 2007-04-11 | 中国石油大学(北京) | Pre-treating process for sewage from thick oil refining |
| CN101054244A (en) * | 2007-03-14 | 2007-10-17 | 安东石油技术（集团）有限公司 | Process for treating sewage of oil field |
| CN201272726Y (en) * | 2008-09-04 | 2009-07-15 | 江苏兴邦环保工程科技有限公司 | Movable recoverable oil sludge and oil sand processing equipment |
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| CN101348317A (en) | 2009-01-21 |
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Owner name: JIANGSU GUANHAO ENVIRONMENTAL PROTECTION TECHNOLOG Free format text: FORMER OWNER: JIANGSU XINGBANG ENVIRONMENTAL PROTECTION ENGINEERING AND SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150309 |
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