CN205012945U - Abandoned oil basement rock drill chip processing apparatus - Google Patents
Abandoned oil basement rock drill chip processing apparatus Download PDFInfo
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- CN205012945U CN205012945U CN201520532902.XU CN201520532902U CN205012945U CN 205012945 U CN205012945 U CN 205012945U CN 201520532902 U CN201520532902 U CN 201520532902U CN 205012945 U CN205012945 U CN 205012945U
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- basement rock
- thermal desorption
- gas
- heating cavity
- cuttings
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Abstract
The utility model discloses an abandoned oil basement rock drill chip processing apparatus, including through the pipeline according to preface sealing connection's loading attachment, feeding storage hopper, screw feeder, thermal desorption heating cavity, ejection of compact airlock device and ejection of compact humidification device, the gas outlet of thermal desorption heating cavity is connected gas and is sprayed the heat sink, gas sprays the heat sink and connects oil -water separator and gaseous suction device respectively, connection gas sprayed the heat sink after elevator pump and air cooler were connected according to the preface to oil -water separator's export, gaseous suction device connects water separator. The utility model provides an abandoned oil basement rock drill chip that processing apparatus is arranged in oil, shale gas drilling process well site solid controlling system to produce specially carries out minimizing, resourceization, innocent treatment.
Description
Technical field
The utility model relates to a kind of abandoned oil basement rock disposal of cuttings device, refers to that the abandoned oil basement rock drilling cuttings produced for well site solid controlling system in oil, shale gas drilling process carries out a kind of set treatment device adopting thermal desorption technology of minimizing, resource, harmless treatment especially.
Background technology
Be that the drilling fluid that decentralized medium forms is referred to as oil base drilling fluid with oil in drilling fluid, also claim oil-base mud, its basic composition is oil, water, organic clay (or other oleophylic powder) and oil-soluble chemical treatments.Oil base drilling fluid has anti-collapse and high inhibition effect because of it, is conducive to stabilizing borehole, effectively suppresses water sensitivity mud shale stratum; And high-temperature resistance is strong, greasy property is good, has good anti-sticking performance, has become the Main Means boring high temperature high pressure deep well, high-inclination directional well, horizontal well and complicated geology well at present.
When drilling fluid adopts oil-base mud, the drilling cuttings that drilling well produces mixes with oil-base mud and discharges, and most of drilling mud can reuse after treatment; Discharge the solid controlling system in well site after the landwaste that remainder oil-based drilling mud and drilling well produce mixes, form discarded object.Base oil in oil-base mud is diesel oil, and meeting generating strap has the aromatic hydrocarbon of toxin, and the amount of contained aromatic hydrocarbon is more, and toxicity is larger.Along with the development of petroleum industry, the oil base rock drilling cuttings produced in manufacturing process inevitably causes the severe contamination to environment.Along with the increasingly stringent of environmental regulation, the abandoned oil basement rock drilling cuttings that China's oil field development produces is on the increase, in order to avoid oil base rock drilling cuttings causes severe contamination to environment, the petroleum industry of China is in the urgent need to carrying out technology that is innoxious and recycling treatment to drilling mud.
Utility model content
The purpose of this utility model is to provide a kind of abandoned oil basement rock disposal of cuttings device; can process oil base rock drilling cuttings; environmental protection hidden danger can not only be eliminated, preserve the ecological environment; also by reclaiming white oil, reducing land use, avoiding pollution charge; obtain certain economic benefit, sustainable and stable development is had great importance.
In the utility model, abandoned oil basement rock disposal of cuttings device includes feeding device, feed storage hopper, screw(-type) feeder, thermal desorption heating cavity, discharging gas locking device, discharging damping device, oily-water seperating equipment, lift pump, air cooler, gas shower heat sink, gas suction device, water separator and robot control system(RCS), described robot control system(RCS) unifies the operation of the whole treating apparatus of cooperation control, described feeding device, feed storage hopper, screw(-type) feeder, thermal desorption heating cavity, discharging gas locking device and discharging damping device are sequentially tightly connected by pipeline, the gas vent of described thermal desorption heating cavity connects described gas shower heat sink, described gas shower heat sink connects described oily-water seperating equipment and described gas suction device respectively, the outlet of described oily-water seperating equipment sequentially connects described lift pump and is connected described gas shower heat sink after air cooler, described gas suction device connects described water separator.
Described feed storage hopper and screw(-type) feeder are placed in the top of described thermal desorption heating cavity, carry out air seal and dosing to described thermal desorption heating cavity.
Be provided with principal screw material propelling type stirring device in described thermal desorption heating cavity, be provided with simultaneously and can processed abandoned oil basement rock drilling cuttings be heated indirectly, and abandoned oil basement rock drilling cuttings can be heated to the heater of 350-450 DEG C.
The principal screw axle of described principal screw material propelling type stirring device is provided with anti-adhesion chain, and principal screw blade is provided with guarantees that stirring that solid-phase material is heated evenly is with turning over mud plate.
Described thermal desorption heating cavity includes and processed abandoned oil basement rock drilling cuttings and ambient air is isolated, and makes the abandoned oil basement rock drilling cuttings be processed be in the sealed cylinder of anaerobic environment.
The nitrogen protection device making further encapsulation process is equipped with outside described discharging gas locking device.
The heater of described thermal desorption heating cavity adopts the burner heating of Frequency Induction Heating or fuel gas or fuel oil.
Oil base rock drilling cuttings input thermal desorption heating cavity can be carried out heating evaporation by the abandoned oil basement rock disposal of cuttings device in the utility model, the components such as the oils steam produced in thermal desorption heating cavity and steam, extracted out from thermal desorption heating cavity by vapor phase treatment system, through cooling of gas shower heat sink, oils steam and steam become liquid state again, together enter oily-water seperating equipment with recirculated water, carry out water-oil separating purification.The water outlet of oily-water seperating equipment uses through air cooling cooling Posterior circle; The oily substance that oily-water seperating equipment is received, after filter cleaning, is collected and is back to use in the preparation of oil-base mud.Extract oily substance, purification solid matter, reaches innoxious object.
Accompanying drawing explanation
Fig. 1 is the structural representation of oil base rock disposal of cuttings device in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the utility model is elaborated.
As shown in Figure 1, in the utility model, abandoned oil basement rock disposal of cuttings device includes feeding device 1, feed storage hopper 2, screw(-type) feeder 3, thermal desorption heating cavity 4, principal screw material propelling type stirring device 5, discharging gas locking device 6, discharging damping device 7, oily-water seperating equipment 8, lift pump 9, air cooler 10, gas shower heat sink 11, gas suction device 12, water separator 13 and robot control system(RCS) 14 and forms.The automatic operation of the whole treating apparatus of the unified cooperation control of robot control system(RCS) 14.Wherein:
Feed storage hopper 2, screw(-type) feeder 3 are placed in the top of thermal desorption heating cavity 4, feed storage hopper 2 needs to keep certain material level at run duration, utilize feed storage hopper 2, screw(-type) feeder 3 can realize air seal under the effect of material, realize dosing simultaneously.
Discharging gas locking device 6 and discharging damping device 7 are positioned at below the discharging opening of thermal desorption heating cavity 4, solid material after thermal desorption heating cavity 4 processes under gravity, enter in discharging damping device 7 through discharging gas locking device 6, discharging damping device 7, a certain amount of moisture is mixed from the material of thermal desorption heating cavity 4 drying out, ensure that final discharging is moisture state, do not cause airborne dust problem.For avoiding the oxygen in environment to enter in thermal desorption heating cavity 4 from discharging gas locking device 6, be provided with nitrogen protection device discharging gas locking device 6 place is supporting.
Thermal desorption heating cavity 4 includes and processed abandoned oil basement rock drilling cuttings and ambient air is isolated, the abandoned oil basement rock drilling cuttings be processed is made to be in the sealed cylinder of anaerobic environment, principal screw material propelling type stirring device 5 is provided with in cylindrical shell, be provided with simultaneously and can the processed abandoned oil basement rock drilling cuttings entered be heated indirectly, and abandoned oil basement rock drilling cuttings can be heated to the heater of 350-450 DEG C, the mode of heating of this heater is Frequency Induction Heating, the thermal efficiency is high, little to electric network influencing, stable temperature control, heating cable long service life.Certain mode of heating also can adopt the mode of heating such as gas heating or fuel Heating.
Principal screw material propelling type stirring device 5 is driven by variable-frequency motor, and material can be regulated in plant running process easily by the time length heated, thus ensures the oil-containing ratio of discharging.The principal screw axle of principal screw material propelling type stirring device 5 is provided with anti-adhesion chain, is provided with on principal screw blade simultaneously and guarantees that stirring that solid-phase material is heated evenly is with turning over mud plate.The structure of thermal desorption heating cavity 4 is open in the Chinese patent 2014208202399 of the applicant, and all the other equipment all adopt commercially available matured product, for this no longer describes in detail concrete structure simultaneously.
Gas suction device 12 can adopt water ring vacuum pump, also can adopt vacuum jet pump mode.
In the utility model, the detailed process of abandoned oil basement rock disposal of cuttings device is as follows:
Supplied materials and oil base rock drilling cuttings are promoted to feed storage hopper 2 by feeding device 1, supplied materials carries out storing and cushioning in storage hopper 2, make the material flow in follow-up system continuous, meanwhile, utilize the supplied materials entering feed storage hopper 2 to realize air seal to thermal desorption heating cavity 4.Material in feed storage hopper 2 is continuously delivered in thermal desorption heating cavity 4 by screw(-type) feeder 3, is heated by thermal desorption heating cavity 4 pairs of materials.
Enter the material in thermal desorption heating cavity 4 in the stirring of principal screw material propelling type stirring device 5 with under promoting, constantly advance, thermally equivalent heats up simultaneously, and reach the boiling point of oils in material, oil in material and water are evaporated away, thus realize gas-liquid separation, solid material is purified.
Solid material is pushed ahead by principal screw material propelling type stirring device 5, until the top of the discharging gas locking device 6 of terminal, solid material under gravity, is expelled to after falling into discharging gas locking device 6 in discharging damping device 7.Discharge material to mix with clear water in discharging damping device 7, reach predetermined moisture content solid discharger, then collect outward transport.
In thermal desorption heating cavity 4 material produce boil-off gas, had the gas shower heat sink 11 of certain vacuum degree extract, boil-off gas fully mixes with shower water at gas shower heat sink 11, reach cooling liquefy object.The fluid oil that boil-off gas condensation is formed is brought in oily-water seperating equipment 8 by current, carries out water-oil separating.Liquid oils is collected rear discharger, for oil-base mud preparation again.Water after purification is pressurizeed by lift pump 9, after being lowered the temperature, enters again in gas shower heat sink 11 and carries out spraying cooling by air cooler 10.
Gas in spraying ventilating device 11 extract by gas suction device 12, and after the purification of water separator 13, discharger.
Robot control system(RCS) 14 in the utility model for realizing the automatic operation of whole system, and controls the adjustment time of staying of material in thermal desorption heating cavity 4, and the function such as the fault alarm for the treatment of apparatus inside.Robot control system(RCS) 14 also can be connected with the central control system of whole project as required, realizes remote monitoring and automatically runs, due to robot control system(RCS) 14 for a person skilled in the art, can simple realization under specific requirement, therefore no longer describe in detail.
In sum, the abandoned oil basement rock drilling cuttings separated in drilling well site solid controlling system is through transhipment conveying, temporarily storage, dosing, enter into airtight thermal desorption heating cavity 4, by the heating of thermal desorption heating cavity 4, drilling cuttings thermally equivalent heats up, the oily substances such as the diesel oil in drilling cuttings and water flash to gas phase, separate from solid phase; Solid phase residue total petroleum hydrocarbon TPH index after process in drilling cuttings can be controlled in the agricultural soil standard of 3 ‰.The gaseous substance produced in thermal desorption heating cavity 4 is detached by gas suction device 12, and lower the temperature through gas shower heat sink 11, gaseous substance is condensed into You Heshui; Oil, through circular water treating system (oily-water seperating equipment 8, lift pump 9 and air cooler 10), is separated, for the preparation of oil-base mud after purification by condensed water and oil; Water enters gas shower heat sink 11 and recycles after air cooler 10 is lowered the temperature.
Abandoned oil basement rock drilling cuttings containing oil-base mud is passed through screening, metering by the abandoned oil basement rock disposal of cuttings device in the utility model, enter into airtight thermal desorption heating cavity, abandoned oil basement rock drilling cuttings is heated in thermal desorption heating cavity, the petroleum hydrocarbons such as the diesel oil in abandoned oil basement rock drilling cuttings and water evaporation become vapour phase, separate from drilling cuttings; In drilling cuttings after process, solid phase residue total petroleum hydrocarbon TPH index can be controlled in less than 3 ‰.Gaseous substance is lowered the temperature through heat exchange, forms liquid phase fluid and enters oil-water separation system, and the water separated uses through heat radiation Posterior circle; The oils separated after purified treatment for the preparation of oil-base mud.By the processing mode of thermal desorption, oils organic matter component in oil base rock drilling cuttings is reclaimed, not only there is higher energy recovery efficiency, and decrease environment pollution.
Claims (7)
1. an abandoned oil basement rock disposal of cuttings device, includes feeding device (1), feed storage hopper (2), screw(-type) feeder (3), thermal desorption heating cavity (4), discharging gas locking device (6), discharging damping device (7), oily-water seperating equipment (8), lift pump (9), air cooler (10), gas shower heat sink (11), gas suction device (12), water separator (13) and robot control system(RCS) (14), the operation of the whole treating apparatus of the unified cooperation control of described robot control system(RCS) (14), is characterized in that, described feeding device (1), feed storage hopper (2), screw(-type) feeder (3), thermal desorption heating cavity (4), discharging gas locking device (6) and discharging damping device (7) are sequentially tightly connected by pipeline, the gas vent of described thermal desorption heating cavity (4) connects described gas shower heat sink (11), described gas shower heat sink (11) connects described oily-water seperating equipment (8) and described gas suction device (12) respectively, the outlet of described oily-water seperating equipment (8) sequentially connects described lift pump (9) and is connected described gas shower heat sink (11) afterwards with air cooler (10), and described gas suction device (12) connects described water separator (13).
2. abandoned oil basement rock disposal of cuttings device according to claim 1, it is characterized in that, described feed storage hopper (2) and screw(-type) feeder (3) are placed in the top of described thermal desorption heating cavity (4), carry out air seal and dosing to described thermal desorption heating cavity (4).
3. abandoned oil basement rock disposal of cuttings device according to claim 1, it is characterized in that, principal screw material propelling type stirring device (5) is provided with in described thermal desorption heating cavity (4), be provided with simultaneously and can processed abandoned oil basement rock drilling cuttings be heated indirectly, and abandoned oil basement rock drilling cuttings can be heated to the heater of 350-450 DEG C.
4. abandoned oil basement rock disposal of cuttings device according to claim 3, it is characterized in that, the principal screw axle of described principal screw material propelling type stirring device (5) is provided with anti-adhesion chain, and principal screw blade is provided with guarantees that stirring that solid-phase material is heated evenly is with turning over mud plate.
5. abandoned oil basement rock disposal of cuttings device according to claim 1, it is characterized in that, described thermal desorption heating cavity (4) includes and processed abandoned oil basement rock drilling cuttings and ambient air is isolated, and makes the abandoned oil basement rock drilling cuttings be processed be in the sealed cylinder of anaerobic environment.
6. abandoned oil basement rock disposal of cuttings device according to claim 1, is characterized in that, is equipped with the nitrogen protection device making further encapsulation process outside described discharging gas locking device (6).
7. abandoned oil basement rock disposal of cuttings device according to claim 1, is characterized in that, the heater of described thermal desorption heating cavity (4) adopts the burner heating of Frequency Induction Heating or fuel gas or fuel oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532902.XU CN205012945U (en) | 2015-07-21 | 2015-07-21 | Abandoned oil basement rock drill chip processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532902.XU CN205012945U (en) | 2015-07-21 | 2015-07-21 | Abandoned oil basement rock drill chip processing apparatus |
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| Publication Number | Publication Date |
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| CN205012945U true CN205012945U (en) | 2016-02-03 |
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| CN201520532902.XU Active CN205012945U (en) | 2015-07-21 | 2015-07-21 | Abandoned oil basement rock drill chip processing apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625821A (en) * | 2018-06-20 | 2018-10-09 | 二重（德阳）重型装备有限公司 | Oil-based drill cuttings processing method |
| CN108793674A (en) * | 2018-08-31 | 2018-11-13 | 河北华运鸿业化工有限公司 | A kind of useless oil-base mud separating and reclaiming device |
| CN110630219A (en) * | 2019-08-27 | 2019-12-31 | 河北迪运化工科技有限公司 | Kiln for burning oil-containing mixture at high temperature |
| CN112658020A (en) * | 2021-01-26 | 2021-04-16 | 新疆中金科瑞新能源发展股份有限公司 | Hydraulic transmission, microbubble separation and pyrolysis drying treatment process for drilling waste |
-
2015
- 2015-07-21 CN CN201520532902.XU patent/CN205012945U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625821A (en) * | 2018-06-20 | 2018-10-09 | 二重（德阳）重型装备有限公司 | Oil-based drill cuttings processing method |
| CN108625821B (en) * | 2018-06-20 | 2019-11-05 | 二重（德阳）重型装备有限公司 | Oil-based drill cuttings processing method |
| CN108793674A (en) * | 2018-08-31 | 2018-11-13 | 河北华运鸿业化工有限公司 | A kind of useless oil-base mud separating and reclaiming device |
| CN108793674B (en) * | 2018-08-31 | 2023-12-12 | 河北华运鸿业化工有限公司 | Waste oil-based mud separating and recycling device |
| CN110630219A (en) * | 2019-08-27 | 2019-12-31 | 河北迪运化工科技有限公司 | Kiln for burning oil-containing mixture at high temperature |
| CN112658020A (en) * | 2021-01-26 | 2021-04-16 | 新疆中金科瑞新能源发展股份有限公司 | Hydraulic transmission, microbubble separation and pyrolysis drying treatment process for drilling waste |
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