CN204198669U - A kind of continuous pyrolysis oil-contained drilling cuttings device - Google Patents
A kind of continuous pyrolysis oil-contained drilling cuttings device Download PDFInfo
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- CN204198669U CN204198669U CN201420632208.0U CN201420632208U CN204198669U CN 204198669 U CN204198669 U CN 204198669U CN 201420632208 U CN201420632208 U CN 201420632208U CN 204198669 U CN204198669 U CN 204198669U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model discloses a kind of energy-efficient continuous pyrolysis oil-contained drilling cuttings device, comprise the automatic feed system, pyrolysis system, automatic ash ejector system and the cooling system that connect successively, pyrolysis system connects smoke waste heat utilization system.Automatic feed system comprises multistage screw feeder, is connected respectively with material storage tank and pyrolysis oven; Pyrolysis system is provided with pyrolysis oven, and pyrolysis oven slag notch connects spiral tapping machine, and spiral tapping machine connects Residual Oil Tank and cooling system; Smoke waste heat utilization system connects flue gas purification system.When using appts carries out oil-contained drilling cuttings pyrolysis processing, can continuously feeding, slag tap continuously, the heat energy that simultaneously can realize producing in pyrolytic process carries out cycling and reutilization.
Description
Technical field
The utility model relates to a kind of oil field equipment, particularly a kind of device of continuous pyrolysis oil-contained drilling cuttings.
Background technology
In recent years, oil base drilling fluid technology is more and more paid attention in China.Oil base drilling fluid is formulated by additives such as the oils such as diesel oil or white oil, water, organic clay, emulsifying agent, stablizer, fluid loss agents, be applicable to clay content high, easily to cave in the drilling operations such as hydrocarbon zone, high temperature high pressure deep well, high-inclination directional well and horizontal well.But in oil base drilling fluid use procedure, produce a large amount of oil-contained drilling cuttings, wherein comprise the complex components such as oils, clay, various chemical agent, high-density weighting material, sump oil, sewage and drilling cuttings, there is the features such as oil length is high, organic pollutant is many, there is great environmental Pollution risk.
Containing various ingredients such as a large amount of hardly degraded organic substance, oils and drilling cuttings in oil-contained drilling cuttings, this system is highly stable and complicated, and harmless treatment difficulty is quite large.According to Southwest Oil branch office of PetroChina Company Ltd. " drilling wastes harmless treat specification " related request, after solid waste process, its oil length must <1%.
At present in the technology of all oil-contained drilling cuttings, pyrolytic technique is the most effective means of one, but the special pyrolysis plant for oil-contained drilling cuttings unripe both at home and abroad at present.In addition, also there is various defect in conventional pyrolysis plant, as continuous prodution cannot be realized, measure low, labour intensity is large, heat utilization rate is low, can not meet the processing demands containing drilling cuttings.
Utility model content
The purpose of this utility model is to provide a kind of continuous pyrolysis oil-contained drilling cuttings device, during oil-contained drilling cuttings pyrolysis processing, can continuously feeding, slag tap continuously, the heat energy that simultaneously can realize producing in pyrolytic process carries out cycling and reutilization.
For achieving the above object, the technical scheme that an embodiment of the present utility model is taked is:
Comprise the automatic feed system, pyrolysis system, automatic ash ejector system and the cooling system that connect successively, pyrolysis system connects smoke waste heat utilization system.
Preferably, automatic feed system comprises the first screw feeder and the second screw feeder, and one end of the first screw feeder is connected with material storage tank, and the other end is connected with the second screw feeder; The other end of the second screw feeder is placed in pyrolysis oven through burner hearth.
Preferably, pyrolysis system comprises burner hearth, is provided with pyrolysis oven in burner hearth, and pyrolysis oven slag notch connects spiral tapping machine, and spiral tapping machine connects a point drum by pipeline, connects Residual Oil Tank bottom point drum.
Preferably, automatic ash ejector system comprises spiral tapping machine, and spiral tapping machine is wrapped in jacket heat-exchanger; Spiral tapping machine is placed in inside pyrolysis oven through burner hearth, and jacket heat-exchanger is provided with cooling water intakeoutfall.
Preferably, cooling system comprises cooling basin and fire retardant tank, is but provided with spiral coil cooling tube above pond, is provided with shower above spiral coil cooling tube; Spiral coil cooling tube one end is connected with a point drum by pipeline, and the other end is connected through pipeline with gathering tank; Fire retardant tank top is connected with gathering tank through pipeline, and top has pipeline to be connected with shower, and the inflammable gas in fire retardant tank burns to firing space through Cemented filling.
Preferably, smoke waste heat utilization system comprises the flue be connected with described burner hearth, and flue connects the flue gas heat-exchange unit of parcel second screw feeder.
Preferably, smoke waste heat utilization system connects flue gas purification system, and flue gas purification system comprises atomisation tower, and atomisation tower air inlet port is connected with flue gas heat-exchange unit by pipeline; Atomisation tower air outlet is connected with induced draft fan by pipeline, and induced draft fan air outlet connects diffusing chimney.
Preferably, be provided with water circulating pump bottom atomisation tower, water circulating pump connects recirculated water spray spout; Atomisation tower inside is provided with double-deck packing layer.
Preferably, pyrolysis oven inwall is provided with screw blade.
Preferably, flue gas heat-exchange unit inwall is provided with fin.
The beneficial effect that this continuous pyrolysis oil-contained drilling cuttings device produces is:
1. the heat energy produced in pyrolytic process carries out cycling and reutilization; The non-combustible gas produced in pyrolytic process, introduces burner hearth by fire retardant tank, makes full combustion of gas, thus reaches the object of energy-conserving and environment-protective, safety in production.
2. automatic feed system and automatic ash ejector system ensure that the continuous running of device, decrease labor strength, improve production efficiency.
3. adopt rotary pyrolysis oven, increase heating surface area, improve pyrolysis rate, decrease thermal losses.
4. smoke waste heat utilization system improves utilization efficiency of heat energy, carries out preheating to raw material, accelerates pyrolysis process, improves production efficiency.
Accompanying drawing explanation
Figure 1 shows that the schematic diagram of an embodiment of a kind of continuous pyrolysis oil-contained drilling cuttings device of the present utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with the utility model specific embodiment and corresponding accompanying drawing, technical solutions of the utility model are clearly and completely described.
Embodiment 1, continuous pyrolysis oil-contained drilling cuttings device can comprise the automatic feed system, pyrolysis system, automatic ash ejector system and the cooling system that connect successively, pyrolysis system connects smoke waste heat utilization system, automatic feed system and automatic ash ejector system can the continuous runnings of assurance device, decrease labor strength, enhance productivity; Smoke waste heat utilization system improves utilization efficiency of heat energy, carries out preheating to raw material, accelerates pyrolysis process, improves production efficiency.
With reference to figure 1, in embodiment 2 of the present utility model, one end that automatic feed system in embodiment 1 can comprise the first screw feeder 2 and the second screw feeder 3, first screw feeder 2 is connected with material storage tank 1, and the other end is connected with the second screw feeder 3; The other end of the second screw feeder 3 is placed in pyrolysis oven 9 through burner hearth 8, can be connected with corrugated tube 6 between the second screw feeder 3 and burner hearth 8.
With reference to figure 1, in embodiment 3 of the present utility model, pyrolysis system in embodiment 1 or 2 can comprise burner hearth 8, pyrolysis oven 9 can be provided with in burner hearth 8, pyrolysis oven 9 slag notch connects spiral tapping machine 13, spiral tapping machine 13 connects a point drum 15 by pipeline, connects Residual Oil Tank 16 bottom point drum 15.
With reference to figure 1, in embodiment 4 of the present utility model, the automatic ash ejector system in embodiment 3 can comprise spiral tapping machine 13, and spiral tapping machine 13 is wrapped in jacket heat-exchanger 14; Spiral tapping machine 13 is placed in inside pyrolysis oven 9 through burner hearth 8, and jacket heat-exchanger 14 is provided with cooling water intakeoutfall, can be connected with the second corrugated tube 12 between spiral tapping machine 13 and burner hearth 8.
With reference to figure 1, in embodiment 5 of the present utility model, the cooling system in embodiment 4 can comprise cooling basin 17 and fire retardant tank 21, is but provided with spiral coil cooling tube 18 above pond 17, is provided with shower 19 above spiral coil cooling tube 18; Spiral coil cooling tube 18 one end is connected with a point drum 15 by pipeline, and the other end is connected through pipeline with gathering tank 20; Fire retardant tank 21 top is connected with gathering tank 20 through pipeline, and top has pipeline to be connected with shower 19, the inflammable gas in fire retardant tank 21 through Cemented filling to burner hearth 8 combustion chambers burn.
With reference to figure 1, in embodiment 6 of the present utility model, the smoke waste heat utilization system in embodiment 1 or 2 can comprise the flue 10 be connected with burner hearth 8, and flue 10 connects the flue gas heat-exchange unit 4 of parcel second screw feeder 3.
With reference to figure 1, in embodiment 7 of the present utility model, the smoke waste heat utilization system in embodiment 6 connects flue gas purification system, and flue gas purification system can comprise atomisation tower 22, and atomisation tower 22 air inlet port is connected with flue gas heat-exchange unit 4 by pipeline; Atomisation tower 22 air outlet is connected with induced draft fan 26 by pipeline, and induced draft fan 26 air outlet connects diffusing chimney 27.
With reference to figure 1, in embodiment 8 of the present utility model, can be provided with water circulating pump 23 bottom the atomisation tower 22 in embodiment 7, water circulating pump 23 connects recirculated water spray spout 24; Atomisation tower 22 inside is provided with double-deck packing layer 25.
With reference to figure 1, in embodiment 9 of the present utility model, pyrolysis oven 9 inwall in embodiment 3 can be provided with screw blade 11.
With reference to figure 1, in embodiment 10 of the present utility model, flue gas heat-exchange unit 4 inwall in embodiment 3 can be provided with fin 5.
With reference to figure 1, using embodiment pyrolysis of the present utility model containing during by drilling cuttings, first pressure testing being carried out to system, ensureing the stopping property of system.After pressure testing completes, open pyrolysis oven 9 speed reduction unit motor 7, burner hearth 8 is lit a fire, and starts induced draft fan 26, starts the water circulating pump 23 of atomisation tower 22.After burner hearth 8 intensity of a fire rises, start the first screw feeder 2 and the second screw feeder 3, the oil-contained drilling cuttings in material storage tank 1 is delivered in pyrolysis oven 9, then start spiral tapping machine 13, and pass into water coolant by jacket heat-exchanger 14.Enable shower 19 again, cooling pyrolysis stove gas-oil mixture out, whole device just enters normal production.
The gas-oil mixture produced in pyrolysis oven 9 in pyrolytic process enters spiral coil cooling tube 18 through a point drum 15, now, enter Residual Oil Tank 16 after part gas-oil mixture condensation, and most of oil gas mixture enters spiral coil cooling tube 18 and condensation, final inflow gathering tank 20.Owing to not having the inflammable gas of condensation to enter into gathering tank 20 too, this gas can enter burner hearth 8 combustion chambers burn through fire retardant tank 21 and fall.Meanwhile, under the drive of the drilling cuttings residue screw blade 11 in pyrolysis oven 9 in pyrolysis oven 9 after pyrolysis, enter the opening for feed of spiral tapping machine 13, and transferred out outside pyrolysis oven by low temperature after the water quench in spiral tapping machine jacket heat-exchanger 14.
Under the graviational interaction of induced draft fan 26, the high-temperature flue gas produced in burner hearth 8 is transported to flue gas heat-exchange unit 4 through flue 10, and after flue gas heat-exchange unit heat exchange, in screw feeder 3, low temperature oil-contained drilling cuttings is preheated to comparatively high temps and enters pyrolysis oven 9; And high-temperature flue gas is after flue gas heat-exchange unit heat exchange, enters atomisation tower 22 purify with low-temperature condition, the flue gas after purification is through diffusing chimney 27 qualified discharge.
Above-mentioned embodiment is used for explaining and the utility model is described; instead of the utility model is limited; in the protection domain of spirit of the present utility model and claim, any amendment make the utility model and change, all fall into protection domain of the present utility model.
Claims (10)
1. a continuous pyrolysis oil-contained drilling cuttings device, comprises the automatic feed system, pyrolysis system, automatic ash ejector system and the cooling system that connect successively, it is characterized in that: described pyrolysis system connects smoke waste heat utilization system.
2. device according to claim 1, it is characterized in that: described automatic feed system comprises the first screw feeder (2) and the second screw feeder (3), one end of described first screw feeder (2) is connected with material storage tank (1), and the other end is connected with the second screw feeder (3); The other end of the second screw feeder (3) is placed in pyrolysis oven (9) through burner hearth (8).
3. device according to claim 1 and 2, it is characterized in that: described pyrolysis system comprises burner hearth (8), pyrolysis oven (9) is provided with in described burner hearth (8), described pyrolysis oven (9) slag notch connects spiral tapping machine (13), described spiral tapping machine (13) connects a point drum (15) by pipeline, and described point of drum (15) bottom connects Residual Oil Tank (16).
4. device according to claim 3, is characterized in that: described automatic ash ejector system comprises spiral tapping machine (13), and described spiral tapping machine (13) is wrapped in jacket heat-exchanger (14); Spiral tapping machine (13) is placed in pyrolysis oven (9) inner side through burner hearth (8), and described jacket heat-exchanger (14) is provided with cooling water intakeoutfall.
5. device according to claim 4, it is characterized in that: described cooling system comprises cooling basin (17) and fire retardant tank (21), described but pond (17) top is provided with spiral coil cooling tube (18), and described spiral coil cooling tube (18) top is provided with shower (19); Described spiral coil cooling tube (18) one end is connected with a point drum (15) by pipeline, and the other end is connected through pipeline with gathering tank (20); Described fire retardant tank (21) top is connected with gathering tank (20) through pipeline, and top has pipeline to be connected with shower (19), the inflammable gas in fire retardant tank (21) through Cemented filling to burner hearth (8) combustion chambers burn.
6. device according to claim 1 and 2, it is characterized in that: described smoke waste heat utilization system comprises the flue (10) be connected with described burner hearth (8), described flue (10) connects the flue gas heat-exchange unit (4) of parcel second screw feeder (3).
7. device according to claim 6, it is characterized in that: described smoke waste heat utilization system connects flue gas purification system, described flue gas purification system comprises atomisation tower (22), and described atomisation tower (22) air inlet port is connected with flue gas heat-exchange unit (4) by pipeline; Described atomisation tower (22) air outlet is connected with induced draft fan (26) by pipeline, and induced draft fan (26) air outlet connects diffusing chimney (27).
8. device according to claim 7, is characterized in that: described atomisation tower (22) bottom is provided with water circulating pump (23), and described water circulating pump (23) connects recirculated water spray spout (24); Described atomisation tower (22) inside is provided with double-deck packing layer (25).
9. device according to claim 3, is characterized in that: described pyrolysis oven (9) inwall is provided with screw blade (11).
10. device according to claim 6, is characterized in that: described flue gas heat-exchange unit (4) inwall is provided with fin (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420632208.0U CN204198669U (en) | 2014-10-29 | 2014-10-29 | A kind of continuous pyrolysis oil-contained drilling cuttings device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420632208.0U CN204198669U (en) | 2014-10-29 | 2014-10-29 | A kind of continuous pyrolysis oil-contained drilling cuttings device |
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| CN204198669U true CN204198669U (en) | 2015-03-11 |
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| CN201420632208.0U Active CN204198669U (en) | 2014-10-29 | 2014-10-29 | A kind of continuous pyrolysis oil-contained drilling cuttings device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111662734A (en) * | 2020-05-20 | 2020-09-15 | 中国科学院广州能源研究所 | Oil-containing solid waste disposal system based on pyrolysis technology |
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2014
- 2014-10-29 CN CN201420632208.0U patent/CN204198669U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111662734A (en) * | 2020-05-20 | 2020-09-15 | 中国科学院广州能源研究所 | Oil-containing solid waste disposal system based on pyrolysis technology |
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| CP01 | Change in the name or title of a patent holder |
Address after: 610056 Sichuan Province, Chengdu City, bay 66 Patentee after: CHENGDU EN-SHAIN TECHNOLOGY INCORPORATION Patentee after: Sichuan Rongrui Huabao Technology Co.,Ltd. Address before: 610056 Sichuan Province, Chengdu City, bay 66 Patentee before: Chengdu En-Shine Oil & Gas Co., Ltd. Patentee before: Sichuan Rongrui Huabao Technology Co.,Ltd. |