CN102618308A - 10mm-below granular oil shale cold-pressing sphere and method for oil refining by adopting same - Google Patents
10mm-below granular oil shale cold-pressing sphere and method for oil refining by adopting same Download PDFInfo
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- CN102618308A CN102618308A CN2012101123052A CN201210112305A CN102618308A CN 102618308 A CN102618308 A CN 102618308A CN 2012101123052 A CN2012101123052 A CN 2012101123052A CN 201210112305 A CN201210112305 A CN 201210112305A CN 102618308 A CN102618308 A CN 102618308A
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Abstract
The invention discloses a 10mm-below granular oil shale cold-pressing sphere and a method for oil refining by adopting the same. The oil shale cold-pressing sphere is prepared by adding adhesives with weight percentage of 8-15 percent into 10mm-below granular oil shale, wherein the adhesives comprise the following components in percentage by weight: 10-30 thousandth of humic acid calcium, 20-40 thousandth of kaolin, 0.5-1 thousandth of magnesium phosphate, and the balance water. The method comprises the following steps of: feeding the oil shale cold-pressing sphere into a gas retort, cushioning and falling through two layers of baffles, increasing steps of heat supplying carried out by a central heat supply device in the gas retort and the like so as to carry out dry distillation to obtain an oil gas mixture, and carrying out oil refining through an oil recovery system and the like. The oil shale cold-pressing sphere has good resistance to high temperature and high mechanical strength, and is not easy to crush; the production period of the gas retort is effectively prolonged, and the working efficiency is improved; and the cold-pressing sphere is adopted for oil refining, so that the co-combustion amount is high, the heat stability is good, the hot and cold strength is high, the dry distillation effect is good, the oil extraction rate is higher, the pollutant emission is less, the space is saved, the secondary pollution is avoided, and the cost is low.
Description
Technical field:
The present invention relates to the following granule wax shale cold-pressing balls of 10mm and adopt the method for its oil refining, belong to resinous shale comprehensive utilization technique field.
Background technology:
At present, mostly carry out combustion power generation, also have no the utilization of the granule wax shale below the 10mm being carried out destructive distillation oil refining as the low calorie fuels coal blending for the granule wax shale below the 10mm.Its major cause is: most gas retorts all can not be handled the granule wax shale below the 10mm, a suitable above shale of 10mm of handling, and the granule wax shale below the 10mm can't be used for refining oil, and causes the significant wastage of oil shale resources.And some methods that adopt solid thermal carriers type of heating that the granule wax shale below the 10mm is refined oil, complex process, investment is huge, operation is also unstable.
Summary of the invention:
The objective of the invention is to overcome the deficiency of above-mentioned prior art and provide that a kind of resistance to elevated temperatures is good, physical strength is high unsuitable broken, prolonged the production cycle of gas retort effectively, improved the following granule wax shale cold-pressing balls of 10mm of working efficiency; Adopt this cold-pressing balls to refine oil and mix burning amount height, Heat stability is good, cold strength is high; Destructive distillation is effective, and oil yield is higher, and pollutant emission is few; Save space, avoid secondary pollution, technology is advanced; Comprehensive utilization degree is high, and cost is low, and is scientific and reasonable.
The object of the invention can reach through following measure: the following granule wax shale cold-pressing balls of 10mm; It is characterized in that described resinous shale cold-pressing balls adds tackiness agent the following granule wax shale of 10mm and is prepared from; The cold-pressing balls diameter is 20～150mm, and intensity is 80～180kg/cm2; Wherein, 8～15% of binder constitutes gross weight, resinous shale raw material surplus; Described tackiness agent is 10～30 ‰ calcium humate by weight percent, 20～40 ‰ kaolin, and 0.5～1 ‰ trimagnesium phosphate, water surplus is processed.
Adopt the method for the following granule wax shale cold-pressing balls oil refining of 10mm, it is characterized in that it comprises the steps:
A, the preparation of resinous shale cold-pressing balls:
A, tackiness agent preparation:
In the irony stirred vessel, add entry, water temperature adds calcium humate, kaolin, trimagnesium phosphate respectively in the time of 25 ℃-35 ℃, warming while stirring, and temperature is raised between 85-90 ℃, reacts 1-2 hour tackiness agent and promptly is mixed with; Described by weight percentage calcium humate 10～30 ‰, kaolin 20～40 ‰, trimagnesium phosphate 0.5～1 ‰, water surplus;
B, pressure ball moulding:
In stirring tank, add following granule wax shale of 10mm and above-mentioned tackiness agent; The 8-15% of the gross weight of following granule wax shale of binder constitutes 10mm and tackiness agent wherein; The compression moulding of back entering ball press stirs; After the moulding in drying machine drying and dewatering (125 ℃-135 ℃ of temperature, 5 hours-7 hours time), process the resinous shale cold-pressing balls;
B, the oil refining of resinous shale cold-pressing balls:
Resinous shale cold-pressing balls after the oven dry is transported to gas retort top storage bin through belt, gets in the gas retort through apparatus for distributing again, and the resinous shale cold-pressing balls that gets into gas retort is earlier through the battle array umbrella, and the periphery from stove falls uniformly, again through two-layer traverse baffle buffering; Basin by the gas retort bottom constantly rotates, and by residue extraction machine semicoke is transported continuously, and the moulding shale that gas retort is newly advanced on top falls by deadweight slowly naturally; The circulating mash gas gas of heat gas eye that arch abutment is uniformly distributed with from the gas retort middle part and center heating plant get in the gas retort;
Resinous shale temperature from the process that the top retort section moves down constantly raises, and when temperature is raised to 150 ℃-180 ℃, emits the inner adsorbed gas of shale, organic pitch, shale oil and the destructive distillation gas of beginning in shale when temperature surpasses 180 ℃; When the shale shale oil that continue to heat up when reaching 500 ℃ in the shale discharges basically and finishes; This moment, shale became the shale semicockes of high heating value through low-temperature pyrolysis, was gone out and was emitted internal heat by the furnace bottom water logging; The wet semicoke in cooling back by gas retort at the bottom of residue extraction mechanism discharge out of the furnace;
The extraction of battle array umbrella delivery line gets into collecting tubule to the oil gas that oil shale distillation produces through the gas retort top; Oil gas is recycled water washing in collecting tubule, get into washing saturator again and continue washing, and twice washing process gets off the oil of the part in the destructive distillation oil gas, dirt; Oil in the collecting tubule, water and dirt flow into collection mud jar; Oil that flows down in the washing saturator and water get into wash trough; In oil-water separation tank, You Heshui carries out the first time to be separated; Portion water after the washing saturator upper wash with go into to get into after the heat exchange of stove main air in the wash trough;
Coal mine gas after the washing saturator washing gets into indirect cool tower and cools off after gas dispatch machine is discharged; Revolve through mechanical type through the cooled coal mine gas of indirect cool tower again and to catch tower and handle, coal mine gas is divided into three the tunnel: the one tunnel and gets into recuperative heater and heat as circulation gas afterwards; One the tunnel as burning coal mine gas heating recuperative heater; One the tunnel is used for the gas fired-boiler producing steam generates electricity;
The collected oil of condensate recovery system, water and dirt entering wash trough carry out the first step to be separated; Isolating oil gets into collection mud jar with dirt to carry out separating the second time; Get into oil-water separation tank at last and separate for the third time, the shale oil after settlement separate is sent into the measuring room cage through oil pump, again behind deposition dehydrating; Inspection moisture, quantity, factory's finished product tank stores is delivered to by oil pump su in qualified back;
Separate back water after the water cooling tower cooling in wash trough, the collection mud jar, get into condensate recovery system and recycle, basin was used for water seal at the bottom of unnecessary water was delivered to gas retort; Water in the distillation system is all accomplished the circulating inside use.
The present invention compares with prior art can produce following positively effect: the present invention adopts the following small-particle shale of 10mm through adding high temperature resistant, the high difficult fragmentation of physical strength of the bonding resinous shale cold-pressing balls of processing of special tackiness agent; Can in any sophisticated destructive distillation type of furnace (as holding up suitable stove etc.), refine oil, the small-particle shale that has solved below the 10mm can not be gone into the problem that stove is refined oil; Small-particle shale below the 10mm is fully utilized, avoids causing waste, increase economical efficiency, reduced production cost significantly, economize on resources, have remarkable economical, environmental protection and social benefit; Adopt this cold-pressing balls to refine oil the production cycle that has prolonged gas retort effectively, improved working efficiency; It is high to mix the burning amount, Heat stability is good, and cold strength is high, and destructive distillation is effective, and oil yield is higher, and pollutant emission is few, saves space, and avoids secondary pollution, and technology is advanced, and comprehensive utilization degree is high, and cost is low, and is scientific and reasonable;
Embodiment: following specific embodiments of the invention elaborates:
Embodiment 1:
A, the preparation of resinous shale cold-pressing balls:
A, tackiness agent preparation:
In the irony stirred vessel, add 949.5 ‰ water by weight percentage; Water temperature adds 10 ‰ calcium humates, 40 ‰ kaolin, 0.5 ‰ trimagnesium phosphates respectively, warming while stirring in the time of 25 ℃-35 ℃; Temperature is raised between 85-95 ℃, reacts 1-2 hour tackiness agent and promptly is mixed with;
B, pressure ball moulding:
In stirring tank, add following granule wax shale 920kg of 10mm and above-mentioned tackiness agent 80kg; The compression moulding of back entering ball press stirs; After the moulding in drying machine drying and dewatering (125 ℃-135 ℃ of temperature, 5 hours-7 hours time), process the resinous shale cold-pressing balls; But 1200 ℃ of the highest withstand high temperatures of resinous shale cold-pressing balls after the oven dry, cold-pressing balls diameter are 20～150mm, and intensity is 80～180kg/cm2;
B, the oil refining of resinous shale cold-pressing balls:
Resinous shale cold-pressing balls after the oven dry is transported to gas retort through belt, and (this gas retort adopts existing gas retort; Only need install two-layer traverse baffle additional and heating plant gets final product) the top storage bin; Get in the gas retort through apparatus for distributing again; The resinous shale cold-pressing balls that gets into gas retort is earlier through the battle array umbrella; Uniformly the periphery from stove falls, and cushions relatively with the minimizing percentage of damage through two-layer traverse baffle (in the body of heater of existing gas retort both sides two-layer traverse baffle is installed get final product) again, is constantly rotated by the basin of gas retort bottom; By residue extraction machine semicoke is transported continuously; The resinous shale cold-pressing balls that gas retort is newly advanced on top falls by deadweight slowly naturally, and hot circulating mash gas gas gas eye that arch abutment is uniformly distributed with from the gas retort middle part and center heating plant (only needing to get final product at existing gas retort middle part arch abutment installation heating plant) get in the gas retort, and resinous shale cold-pressing balls temperature from the process that the top retort section moves down constantly raises;, temperature emits the inner adsorbed gas of resinous shale cold-pressing balls when being raised to 150 ℃-180 ℃; Organic beginning pitch, shale oil and destructive distillation gas in the resinous shale cold-pressing balls when temperature surpasses 180 ℃, when the shale shale oil that continues to heat up when reaching 500 ℃ in the shale discharges basically and finishes, this moment, shale became the shale semicockes of high heating value through low-temperature pyrolysis; Go out and emit internal heat by the furnace bottom water logging, the wet semicoke in cooling back by gas retort at the bottom of residue extraction mechanism discharge out of the furnace;
The extraction of battle array umbrella delivery line gets into collecting tubule to the oil gas that oil shale distillation produces through the gas retort top; Oil gas is recycled water washing in collecting tubule, get into washing saturator again and continue washing, and twice washing process gets off the oil of the part in the destructive distillation oil gas, dirt; Oil in the collecting tubule, water and dirt flow into collection mud jar; Oil that flows down in the washing saturator and water get into wash trough; In oil-water separation tank, You Heshui carries out the first time to be separated; Portion water after the washing saturator upper wash with go into to get into after the heat exchange of stove main air in the wash trough;
Coal mine gas after the washing saturator washing gets into indirect cool tower and cools off after gas dispatch machine is discharged; Revolve through mechanical type through the cooled coal mine gas of indirect cool tower again and to catch tower and handle, coal mine gas is divided into three the tunnel: the one tunnel and gets into recuperative heater and heat as circulation gas afterwards; One the tunnel as burning coal mine gas heating recuperative heater; One the tunnel is used for the gas fired-boiler producing steam generates electricity;
The collected oil of condensate recovery system, water and dirt entering wash trough carry out the first step to be separated; Isolating oil gets into collection mud jar with dirt to carry out separating the second time; Get into oil-water separation tank at last and separate for the third time, the shale oil after settlement separate is sent into the measuring room cage through oil pump, again behind deposition dehydrating; Inspection moisture, quantity, factory's finished product tank stores is delivered to by oil pump su in qualified back;
Separate back water after the water cooling tower cooling in wash trough, the collection mud jar, get into condensate recovery system and recycle, basin was used for water seal at the bottom of unnecessary water was delivered to gas retort; Water in the distillation system is all accomplished the circulating inside use, has both practiced thrift precious water resource, has reduced sewage discharge simultaneously, the protection environment;
Embodiment 2:
A, the preparation of resinous shale cold-pressing balls:
A, tackiness agent preparation:
In the irony stirred vessel, add 949 ‰ water by weight percentage; Water temperature adds 30 ‰ calcium humates, 20 ‰ kaolin, 1 ‰ trimagnesium phosphates respectively, warming while stirring in the time of 25 ℃-35 ℃; Temperature is raised between 85-95 ℃, reacts 1-2 hour tackiness agent and promptly is mixed with;
B, pressure ball moulding:
In stirring tank, add following granule wax shale 850kg of 10mm and above-mentioned tackiness agent 150kg; The compression moulding of back entering ball press stirs; After the moulding in drying machine drying and dewatering (125 ℃-135 ℃ of temperature, 5 hours-7 hours time), process the resinous shale cold-pressing balls; But 1200 ℃ of the highest withstand high temperatures of resinous shale cold-pressing balls after the oven dry, cold-pressing balls diameter are 20～150mm, and intensity is 80～180kg/cm2;
B, the oil refining of resinous shale cold-pressing balls: basic identical with embodiment 1.
Embodiment 3:
A, the preparation of resinous shale cold-pressing balls:
A, tackiness agent preparation:
In the irony stirred vessel, add 949.2 ‰ water by weight percentage; Water temperature adds 20 ‰ calcium humates, 30 ‰ kaolin, 0.8 ‰ trimagnesium phosphates respectively, warming while stirring in the time of 25 ℃-35 ℃; Temperature is raised between 85-95 ℃, reacts 1-2 hour tackiness agent and promptly is mixed with;
B, pressure ball moulding:
In stirring tank, add following granule wax shale 900kg of 10mm and above-mentioned tackiness agent 100kg; The compression moulding of back entering ball press stirs; After the moulding in drying machine drying and dewatering (125 ℃-135 ℃ of temperature, 5 hours-7 hours time), process the resinous shale cold-pressing balls; But 1200 ℃ of the highest withstand high temperatures of resinous shale cold-pressing balls after the oven dry, cold-pressing balls diameter are 20～150mm, and intensity is 80～180kg/cm2;
B, the oil refining of resinous shale cold-pressing balls: basic identical with embodiment 1.
Claims (2)
1.10mm following granule wax shale cold-pressing balls is characterized in that described resinous shale cold-pressing balls adds tackiness agent the following granule wax shale of 10mm and is prepared from, the cold-pressing balls diameter is 20～150mm, and intensity is 80～180kg/cm
2Wherein, 8～15% of binder constitutes gross weight, resinous shale raw material surplus; Described tackiness agent is 10～30 ‰ calcium humate by weight percent, 20～40 ‰ kaolin, and 0.5～1 ‰ trimagnesium phosphate, water surplus is processed.
2. adopt the method for the following granule wax shale cold-pressing balls oil refining of the described 10mm of claim 1, it is characterized in that it comprises the steps:
A, the preparation of resinous shale cold-pressing balls:
A, tackiness agent preparation:
In the irony stirred vessel, add entry, water temperature adds calcium humate, kaolin, trimagnesium phosphate respectively in the time of 25 ℃-35 ℃, warming while stirring, and temperature is raised between 85-90 ℃, reacts 1-2 hour tackiness agent and promptly is mixed with; Described by weight percentage calcium humate 10～30 ‰ kaolin 20～40 ‰, trimagnesium phosphate 0.5～1 ‰, water surplus;
B, pressure ball moulding:
In stirring tank, add following granule wax shale of 10mm and above-mentioned tackiness agent; The 8-15% of the gross weight of following granule wax shale of binder constitutes 10mm and tackiness agent wherein; The compression moulding of back entering ball press stirs; After the moulding in drying machine drying and dewatering (125 ℃-135 ℃ of temperature, 5 hours-7 hours time), process the resinous shale cold-pressing balls;
B, the oil refining of resinous shale cold-pressing balls:
Resinous shale cold-pressing balls after the oven dry is transported to gas retort top storage bin through belt, gets in the gas retort through apparatus for distributing again, and the resinous shale cold-pressing balls that gets into gas retort is earlier through the battle array umbrella, and the periphery from stove falls uniformly, falls through two-layer traverse baffle buffering again; Basin by the gas retort bottom constantly rotates, and by residue extraction machine semicoke is transported continuously, and the moulding shale that gas retort is newly advanced on top falls by deadweight slowly naturally; The circulating mash gas gas of heat gas eye that arch abutment is uniformly distributed with from the gas retort middle part and center heating plant get in the gas retort;
Resinous shale temperature from the process that the top retort section moves down constantly raises, and when temperature is raised to 150 ℃-180 ℃, emits the inner adsorbed gas of shale, organic pitch, shale oil and the destructive distillation gas of beginning in shale when temperature surpasses 180 ℃; When the shale shale oil that continue to heat up when reaching 500 ℃ in the shale discharges basically and finishes; This moment, shale became the shale semicockes of high heating value through low-temperature pyrolysis, was gone out and was emitted internal heat by the furnace bottom water logging; The wet semicoke in cooling back by gas retort at the bottom of residue extraction mechanism discharge out of the furnace;
The extraction of battle array umbrella delivery line gets into collecting tubule to the oil gas that oil shale distillation produces through the gas retort top; Oil gas is recycled water washing in collecting tubule, get into washing saturator again and continue washing, and twice washing process gets off the oil of the part in the destructive distillation oil gas, dirt; Oil in the collecting tubule, water and dirt flow into collection mud jar; Oil that flows down in the washing saturator and water get into wash trough; In oil-water separation tank, You Heshui carries out the first time to be separated; Portion water after the washing saturator upper wash with go into to get into after the heat exchange of stove main air in the wash trough;
Coal mine gas after the washing saturator washing gets into indirect cool tower and cools off after gas dispatch machine is discharged; Revolve through mechanical type through the cooled coal mine gas of indirect cool tower again and to catch tower and handle, coal mine gas is divided into three the tunnel: the one tunnel and gets into recuperative heater and heat as circulation gas afterwards; One the tunnel as burning coal mine gas heating recuperative heater; One the tunnel is used for the gas fired-boiler producing steam generates electricity;
The collected oil of condensate recovery system, water and dirt entering wash trough carry out the first step to be separated; Isolating oil gets into collection mud jar with dirt to carry out separating the second time; Get into oil-water separation tank at last and separate for the third time, the shale oil after settlement separate is sent into the measuring room cage through oil pump, again behind deposition dehydrating; Inspection moisture, quantity, factory's finished product tank stores is delivered to by oil pump su in qualified back;
Separate back water after the water cooling tower cooling in wash trough, the collection mud jar, get into condensate recovery system and recycle, basin was used for water seal at the bottom of unnecessary water was delivered to gas retort; Water in the distillation system is all accomplished the circulating inside use.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104194817A (en) * | 2014-08-04 | 2014-12-10 | 郑州华宇高炉工程技术有限公司 | Recycling method for balling small oil shale granules in cold pressing manner |
| CN106191433A (en) * | 2016-08-12 | 2016-12-07 | 金堆城钼业股份有限公司 | A kind of ball press technique of small grain size molybdenum-iron |
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| CN1636915A (en) * | 2004-12-22 | 2005-07-13 | 中国建筑材料科学研究院 | Active mixed flyash material, its prepn process and high performance cement |
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| CN104194817A (en) * | 2014-08-04 | 2014-12-10 | 郑州华宇高炉工程技术有限公司 | Recycling method for balling small oil shale granules in cold pressing manner |
| CN106191433A (en) * | 2016-08-12 | 2016-12-07 | 金堆城钼业股份有限公司 | A kind of ball press technique of small grain size molybdenum-iron |
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Application publication date: 20120801 |