CN109132598A - A kind of petroleum coke closed conveying dewatering cycle processing method of delayed coking - Google Patents
A kind of petroleum coke closed conveying dewatering cycle processing method of delayed coking Download PDFInfo
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- CN109132598A CN109132598A CN201811243074.2A CN201811243074A CN109132598A CN 109132598 A CN109132598 A CN 109132598A CN 201811243074 A CN201811243074 A CN 201811243074A CN 109132598 A CN109132598 A CN 109132598A
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- petroleum coke
- water
- coke
- decoking
- drainage bin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
- B65G67/04—Loading land vehicles
- B65G67/06—Feeding articles or materials from bunkers or tunnels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Coke Industry (AREA)
Abstract
A kind of petroleum coke closed conveying dewatering cycle processing method of delayed coking, through cold mixture that is burnt, cutting the burnt petroleum coke being discharged from coke drum bottom and water, is dehydrated entrucking by broken crusher machine, drainage bin after the completion of pyrogenetic reaction；The mixture of the decoking water and petroleum coke fines that are taken off through drainage bin, first it is discharged into settling tank, by further filtering finely-ground coke therein and other solid impurities in drainage bin, the decoking water through filtering twice is sent into decoking water pot by fresh water pump, it is sent into coke drum using decoking water pump, is recycled for cutting burnt process；Second dehydration petroleum coke entrucking；The coke in the drainage bin after secondary filter is dried in hot-air system；Exhaust gas processing device is to the purified processing of pernicious gas, the petroleum coke that this method generates delayed coking system can be realized continuous-stable closed conveying and dehydration, and realize recycling for decoking water, the pernicious gas carried secretly in petroleum coke and dust polluting environment are avoided, water resource is saved.
Description
Technical field
The present invention relates to petrochemical industry Coke of Delayed Coking transportation arts, particularly relate to a kind of delayed coking use
Petroleum coke closed conveying dewatering cycle processing method.
Background technique
Delayed coking is a kind of petroleum secondary operation technology, is referred to using the mink cell focus of poor hydrogen as raw material, fast by heating furnace
Speed is warming up to 500 DEG C of pyrogenetic reaction temperature or so, into coke drum carry out depth thermal cracking and condensation reaction, production rich gas,
The technology of raw gasoline, diesel oil, wax oil and petroleum coke.After the reaction was completed, high temperature petroleum coke is after steam, water are cooling, then through high pressure
Water cuts burnt, decoking.Coke, the aqueous mixtures of process generation are discharged into progress Jiao Shui separation in burnt pond.
Petroleum coke delivery method at present are as follows: petroleum coke after cooling crawl is put into funnel by transporter grab crane and is passed through
Automobile is transported to petroleum coke stockyard.In the process, petroleum coke is come out from coke tower until bedding plant, whole process is unlimited entirely
Formula, and burnt pond occupied ground area is big, dust pollution is serious, and transfer efficiency is low, operator's large labor intensity, working environment
Badly, and petroleum coke air storage, it causes serious pollution to the environment.
In addition, the chemical substance that the mixture of petroleum coke and water carries a large amount of foul smellings secretly mainly has hydrogen sulfide, thio-alcohol, sulphur
The volatile organic matters (VOC) such as ethers, hydro carbons, organic halogen system derivative, these substances overwhelming majority is to human health damage
It is larger.Attention with country to environmental requirement realizes that petroleum coke closed conveying and high efficiency recycling are even more important.
Summary of the invention
To solve the above problems, the present invention provides a kind of petroleum coke closed conveying dewatering cycle processing side of delayed coking
Method, the petroleum coke for generating delayed coking system can be realized continuous-stable closed conveying and dehydration, and realize following for decoking water
Ring utilizes, and avoids the pernicious gas carried secretly in petroleum coke and dust polluting environment, saves water resource.
To realize the above-mentioned technical purpose, used technical solution is: a kind of petroleum coke closed conveying of delayed coking
Dewatering cycle processing method:
After the completion of pyrogenetic reaction, through cold mixture that is burnt, cutting the burnt petroleum coke being discharged from coke drum bottom and water, by broken
Bulky grain petroleum coke therein is crushed to granularity 150-250 millimeters appropriate, is discharged into drainage bin and is dehydrated by machine, dehydration
Time be 10-40 hours, dehydrated petroleum coke by closed batcher and en-masse conveyer be transported to subsequent workshop section into
The processing of one step is transported outward to loading system entrucking；
The mixture of the decoking water and petroleum coke fines that take off through drainage bin, is first discharged into settling tank, will be settled by sewage pump
It is fed again into drainage bin in pond containing petroleum coke fines decoking water and further filters finely-ground coke therein and other solids
Decoking water through filtering twice is sent into decoking water pot by fresh water pump and utilizes decoking when cutting burnt process next time and starting by impurity
Water pump is sent into coke drum, recycles for cutting burnt process；The petroleum coke that second dehydration obtains passes through closed batcher and closing
Formula conveyer is transported to loading system entrucking outward transport；
Hot-air system is connected to the hot wind inlet of drainage bin lower part, and the coke in the drainage bin after secondary filter is dried,
The petroleum coke obtained after drying is transported to loading system entrucking outward transport by closed batcher and en-masse conveyer；
It send in the pernicious gas of coke drum, drainage bin, settling tank, decoking water pot discharge to exhaust gas processing device, pernicious gas warp
Purified treatment is sent to heating furnace after reaching requirement or is emptied to safe place.
Closed batcher of the present invention is apron feeder, flute feeder or drag conveyor.
En-masse conveyer of the present invention is screw conveyor or tubular type felting conveyor.
The pipeline of the water outlet of decoking water pot of the present invention is equipped with decoking water pump.
Settling tank of the present invention is divided into clear water reserviors and cesspool by partition, and cesspool is connected to plumbing drain, clear water
Pond is connected to clear water pipeline, and the discharge outlet of drainage bin is connected to clear water reserviors and cesspool respectively by a plurality of bypass line,
Valve is provided in each bypass line.
The medicine have the advantages that
Bottom cover machine opens coke drum discharge gate, the mixture of the petroleum coke and water that are discharged from coke drum bottom, will by crusher
Bulky grain coke therein is crushed to granularity appropriate, is discharged into drainage bin and is dehydrated, and dehydrated petroleum coke passes through closed
Formula batcher and en-masse conveyer are transported to loading system entrucking outward transport, guarantee the closed of entire transmission process, will not produce
Raw pollution, the decoking water and finely-ground coke mixture taken off through drainage bin, first flows into settling tank, by sewage pump containing thin burnt
The sewage of powder is sent into the filtering of drainage bin second dehydration, filters finely-ground coke therein and other solid impurities, second dehydration is sent into
In settling tank, the decoking water through filtering twice is sent into again by decoking water pot by fresh water pump, is recycled for next decoking process.?
It is equipped with gas outlet pipe road at the equipment such as coke drum, drainage bin, settling tank, decoking water pot, it can under the action of exhaust fan
Pernicious gas extraction everywhere is sent to exhaust treatment system.Pernicious gas is cleaned processing, and reaching can send after requirement to adding
Hot stove or to safe place empty.This method makes petroleum coke cut the overall processes such as burnt, conveying, dehydration and decoking Water warfare in closed loop
It being carried out under border, no gas escapes, and it is easy to operate, be conducive to delayed coking unit stable operation.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
In figure: 1, coke drum, 2, bottom cover machine, 3, crusher, 4, drainage bin, 401, bypass line, 402, valve, 403, hot wind into
Mouthful, 5, closed batcher, 6, en-masse conveyer, 7, sewage pump, 8, settling tank, 81, cesspool, 82, clear water reserviors, 801, dirt
Water lines, 802, clear water pipeline, 9, fresh water pump, 10, decoking water pot, 11, decoking water pump, 12, exhaust treatment system, 13, hot wind
System.
Specific embodiment
In conjunction with a kind of implementation of the petroleum coke closed conveying dewatering cycle processing method of 1 pair of delayed coking of the present invention of attached drawing
Example is further described:
A kind of petroleum coke closed conveying dewatering cycle processing method of delayed coking are as follows:
After the completion of pyrogenetic reaction, through cold mixture that is burnt, cutting the burnt petroleum coke being discharged from 1 bottom of coke drum and water, by broken
Bulky grain petroleum coke therein is crushed to granularity 150-250 millimeters appropriate, is discharged into drainage bin 4 and is dehydrated by broken machine 3,
Dewatering time about 10-40 hours, dehydrated petroleum coke was transported to dress by closed batcher 5 and en-masse conveyer 6
Vehicle system entrucking outward transport；
The mixture of the decoking water and petroleum coke fines that take off through drainage bin 4, is first discharged into settling tank 8, will be sunk by sewage pump 7
It is fed again into drainage bin 4 in drop pond 8 containing petroleum coke fines decoking water and further filters finely-ground coke therein and other
Solid impurity is re-fed into the clear water reserviors of settling tank 8, and the decoking water through filtering twice is sent into decoking water pot 10 by fresh water pump 9,
When cutting burnt process next time and starting, it is sent into coke drum 1 using decoking water pump 11, is recycled for cutting burnt process；Second dehydration obtains
To petroleum coke by closed batcher 5 and en-masse conveyer 6 be transported to loading system entrucking outward transport；
Hot-air system 13 is connected to the hot wind inlet 403 of 4 lower part of drainage bin, to the coke in the drainage bin 4 after secondary filter into
Row drying, the petroleum coke obtained after dry are transported to outside loading system entrucking by closed batcher 5 and en-masse conveyer 6
Fortune；
It send in the pernicious gas that coke drum 1, drainage bin 4, settling tank 8, decoking water pot 10 are discharged to exhaust gas processing device 12, it is harmful
The purified processing of gas can be sent to heating furnace after reaching requirement or empty to safe place.
As shown in Figure 1, device used by a kind of petroleum coke closed conveying dewatering cycle processing method of delayed coking,
It is made of conveying mechanism, dewatering cycle mechanism, exhaust gas processing device 12 and hot-air system 13；Conveying mechanism carries out petroleum coke close
Pipeline processes conveying is closed, dewatering cycle mechanism carries out the mixture of the decoking water after primary dewatering and petroleum coke fines secondary
Dehydration recycles the petroleum coke of abjection, and the decoking water of secondary abjection carries out recycling re-using, and hot-air system 13 is right
The petroleum coke through second dehydration is dried in 4 in drainage bin, and exhaust gas processing device produces conveying mechanism and dewatering cycle mechanism
Raw exhaust gas is handled, and prevents from polluting.
Conveying mechanism includes coke drum 1, bottom cover machine 2, crusher 3, drainage bin 4, closed batcher 5, closed transportion
Machine 6；Coke drum 1, bottom cover machine 2, crusher 3 and drainage bin 4 are sequentially connected, and the discharge port of drainage bin 4 corresponds to closed batcher 5
Feed inlet setting, the material inlet of closed batcher 5 correspond to en-masse conveyer 6 feed inlet be arranged；It is complete in pyrogenetic reaction
Cheng Hou is opened by bottom cover machine into broken through cold mixture that is burnt, cutting the burnt petroleum coke being discharged from 1 bottom of coke drum and water
Bulky grain petroleum coke therein is crushed to granularity appropriate (about 200 millimeters) by machine 3, crusher 3, is discharged into drainage bin 4 and is carried out
Dehydration, dewatering time about 10-40 hours, drainage bin 4 was arranged two or more, and adapt to delayed coking unit cuts burnt technique.
Dehydrated petroleum coke is transported to loading system entrucking outward transport by enclosed batcher 5 and conveyer 6.
Dewatering cycle mechanism includes drainage bin 4, settling tank 8, sewage pump 7, fresh water pump 9, decoking water pot 10；Drainage bin 4
Discharge outlet is connected to by pipeline with settling tank 8, and the coconnected plumbing drain 801 of settling tank 8 is connect with the water inlet of drainage bin 4,
Sewage pump 7 is provided on plumbing drain 801, the coconnected clear water pipeline 802 of settling tank 8 and the water inlet of decoking water pot 10 connect
It is logical, fresh water pump 9 is provided on clear water pipeline 802, the water outlet of decoking water pot 10 is passed through by pipeline to coke drum 1；Through de-
The mixture of decoking water and petroleum coke fines that sump 4 takes off, the discharge outlet through drainage bin 4 is first discharged into settling tank 8, by dirt
Water pump 7 will be fed again into drainage bin 4 through plumbing drain 801 containing petroleum coke fines decoking water in settling tank 8 and further filter
Decoking water through filtering twice is sent into decoking water by the fresh water pump 9 of clear water pipeline by finely-ground coke therein and other solid impurities
Tank 10.When cutting burnt process next time and starting, it is sent into coke drum 1 using the decoking water that decoking water pump 11 will devoke water pot 10, is supplied
Burnt process is cut to recycle.
The clear water that sewage in settling tank 8 is passed through drainage bin 4 and secondary filter is passed through decoking water pot 10 and does not carry out simultaneously, needs
Decoking water after primary dewatering sedimentation in settling tank 8 is passed through drainage bin 4 into second dehydration, then dewatered decoking water is arranged
Enter clean settling tank 8 to be settled, then decoking water pot is pumped by fresh water pump.
The clear water that sewage in settling tank 8 is passed through drainage bin 4 and secondary filter is passed through decoking water pot 10 and can carry out simultaneously,
When carrying out simultaneously, it can be set to two and sink except pond, a settling tank is used to settle the mixing water of primary dewatering, another sedimentation water
For settling the decoking water of second dehydration, the settling tank of primary dewatering is connected to plumbing drain 801, the settling tank connection of second dehydration
Settling tank 8 can also be divided into clear water reserviors 82 and cesspool 81 by partition by clear water pipeline 802, and cesspool 81 and plumbing drain 801 connect
Logical, clear water reserviors 82 are connected to clear water pipeline 802, the discharge outlet of drainage bin 4 by a plurality of bypass line 401 respectively with clear water reserviors 82
And cesspool 81 is connected to, and is provided with valve 402 in each bypass line 401.When the mixing water of primary dewatering is by drainage bin 4
When discharge outlet is discharged, the valve of the corresponding bypass line 401 of clear water reserviors 82 is closed, until the mixing water of all primary dewaterings is from de-
Sump 4 is discharged, and the valve of the corresponding bypass line 401 of cesspool 81 is closed, by the valve of the corresponding bypass line 401 of clear water reserviors
It opens, starts to carry out second dehydration.
The primary dewatering and second dehydration of drainage bin can carry out in turn, can also carry out simultaneously, can when carrying out simultaneously
More than two drainage bins are set and carry out primary dewatering also second dehydration respectively, guarantee the discharge outlet of the drainage bin of primary dewatering with
Cesspool connection, plumbing drain are discharged into the decoking water after precipitating, the row of the drainage bin of second dehydration to the drainage bin of second dehydration
The mouth of a river leads to repeatedly with clear water reserviors.Valve is not needed at this time with regard to achievable dewatering process twice.
Exhaust gas processing device 12 by pipeline respectively with the exhaust pipe of coke drum 1, drainage bin 4 exhaust pipe, sedimentation
The exhaust pipe in pond 8 and the exhaust pipe connection for devoking water pot 10, in coke drum 1, drainage bin 4, settling tank 8, decoking water pot
It is equipped with gas outlet pipe road at the equipment such as 10, pernicious gas everywhere can be extracted out, be sent to tail under the action of exhaust fan
Gas processing system 12.The purified processing of pernicious gas can be sent to heating furnace after reaching requirement or empty to safe place.
Hot-air system 13 is that drainage bin 4 provides hot wind STRENGTH ON COKE and is dried, in the laggard of primary dewatering and second dehydration
Row, is dehydrated, the biggish coke of primary dewatering remains on the filter screen of dewatering elements, to secondary using same drainage bin
It is dehydrated lesser particle to be separated again, dehydration is dried by hot wind STRENGTH ON COKE again after completing, and is made burnt in drainage bin
The moisture of charcoal further decreases.
The top of the bottom ash gate of drainage bin is equipped with 2 with upper vibration generator, so that slag drains in storehouse.Whether it breaks
Petroleum coke after broken crusher machine still needs the decoking water of second dehydration to be entered by top feed mouth, to promote second dehydration effect
Fruit is additionally provided with redrying hot wind inlet 403 on drainage bin 4, and after second dehydration, hot wind progress can be passed through into drainage bin 4
Heat drying, hot wind inlet are connected in drainage bin lower part with drainage bin internal anhydro element, will not interfere drainage bin original function
Use.
Plumbing drain can be set as to two-way, sewage pump 7 is arranged two, and one to open one standby.
Closed batcher 5 is apron feeder, flute feeder or drag conveyor, and en-masse conveyer 6 is spiral
Conveyer or tubular type felting conveyor.The batcher and conveyer of selection are only feed inlet and discharge port, will not inputted
Dust pollution is caused in the process.
The slag-drip opening of decoking water pot 10 is connected to by pipeline with settling tank 8, and the water inlet of decoking water pot 10 is located at top, is removed
The slag-drip opening of burnt water pot is located at tank bottom, and the height for devoking the water outlet of water pot 10 is higher than the height for devoking the slag-drip opening of water pot 10,
The finely-ground coke and impurity that decoking water generates after standing sedimentation in decoking water pot 10, are periodically discharged into settling tank 8 by slag-drip opening,
And it is fed again into drainage bin 4 by sewage pump 8, and pass through batcher 5 and the conveying of conveyer 6 together with coke therein
It is transported outward to loading system entrucking, the pipeline for devoking the water outlet of water pot 10 is equipped with decoking water pump 11, can pass through when being short of power
Coke drum 1 can be sent the decoking water for devoking top of the water pot 10 through standing by devoking water pump 11, be recycled for cutting burnt process.
Claims (5)
1. a kind of petroleum coke closed conveying dewatering cycle processing method of delayed coking, it is characterised in that:
After the completion of pyrogenetic reaction, through cold mixture that is burnt, cutting the burnt petroleum coke being discharged from coke drum bottom and water, by broken
Bulky grain petroleum coke therein is crushed to granularity 150-250 millimeters appropriate, is discharged into drainage bin and is dehydrated by machine, dehydration
Time be 10-40 hours, dehydrated petroleum coke by closed batcher and en-masse conveyer be transported to subsequent workshop section into
The processing of one step is transported outward to loading system entrucking；
The mixture of the decoking water and petroleum coke fines that take off through drainage bin, is first discharged into settling tank, will be settled by sewage pump
It is fed again into drainage bin in pond containing petroleum coke fines decoking water and further filters finely-ground coke therein and other solids
Decoking water through filtering twice is sent into decoking water pot by fresh water pump and utilizes decoking when cutting burnt process next time and starting by impurity
Water pump is sent into coke drum, recycles for cutting burnt process；The petroleum coke that second dehydration obtains passes through closed batcher and closing
Formula conveyer is transported to loading system entrucking outward transport；
Hot-air system is connected to the hot wind inlet of drainage bin lower part, and the coke in drainage bin after secondary filter is dried, and is done
The petroleum coke obtained after dry is transported to loading system entrucking outward transport by closed batcher and en-masse conveyer；
It send in the pernicious gas of coke drum, drainage bin, settling tank, decoking water pot discharge to exhaust gas processing device, pernicious gas warp
Purified treatment is sent to heating furnace after reaching requirement or is emptied to safe place.
2. a kind of petroleum coke closed conveying dewatering cycle processing method of delayed coking as described in claim 1, feature
Be: the closed batcher (5) is apron feeder, flute feeder or drag conveyor.
3. a kind of petroleum coke closed conveying dewatering cycle processing method of delayed coking as described in claim 1, feature
Be: the en-masse conveyer (6) is screw conveyor or tubular type felting conveyor.
4. a kind of petroleum coke closed conveying dewatering cycle processing method of delayed coking as described in claim 1, feature
Be: the height of the water outlet of the decoking water pot (10) is higher than the height of the slag-drip opening of decoking water pot (10).
5. a kind of petroleum coke closed conveying dewatering cycle processing method of delayed coking as described in claim 1, feature
Be: the settling tank (8) is divided into clear water reserviors (82) and cesspool (81), cesspool (81) and plumbing drain by partition
(801) it is connected to, clear water reserviors (82) are connected to clear water pipeline (802), and the discharge outlet of drainage bin (4) passes through a plurality of bypass line
(401) it is connected to respectively with clear water reserviors (82) and cesspool (81), valve (402) is provided on each bypass line (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811243074.2A CN109132598A (en) | 2018-10-24 | 2018-10-24 | A kind of petroleum coke closed conveying dewatering cycle processing method of delayed coking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811243074.2A CN109132598A (en) | 2018-10-24 | 2018-10-24 | A kind of petroleum coke closed conveying dewatering cycle processing method of delayed coking |
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| Publication Number | Publication Date |
|---|---|
| CN109132598A true CN109132598A (en) | 2019-01-04 |
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ID=64809721
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811243074.2A Pending CN109132598A (en) | 2018-10-24 | 2018-10-24 | A kind of petroleum coke closed conveying dewatering cycle processing method of delayed coking |
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| Country | Link |
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| CN (1) | CN109132598A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112644996A (en) * | 2019-10-10 | 2021-04-13 | 中国石油化工股份有限公司 | Totally-enclosed decoking system |
| CN112704950A (en) * | 2019-10-24 | 2021-04-27 | 中石化广州工程有限公司 | Coking device coke cutting water treatment system and process |
| CN112934414A (en) * | 2021-03-26 | 2021-06-11 | 湖南方略环保技术有限公司 | Petroleum coke treatment system |
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| JP2002105459A (en) * | 2000-10-03 | 2002-04-10 | Kawasaki Steel Corp | Dewatering method for slurry containing pitch powder, apparatus therefor, and production method for pitch |
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| CN104449802A (en) * | 2014-12-31 | 2015-03-25 | 襄阳航生石化环保设备有限公司 | Clean and efficient decoking system |
| CN106139838A (en) * | 2016-07-12 | 2016-11-23 | 李智信 | With reclaiming CO2the technology of recyclable regenerative energy series of products is developed in steel plant |
| CN108003900A (en) * | 2017-12-19 | 2018-05-08 | 樊东升 | A kind of closed petroleum coke dehydration, storage and handling facility |
| CN209009685U (en) * | 2018-10-24 | 2019-06-21 | 洛阳涧光特种装备股份有限公司 | A kind of petroleum coke closed conveying dewatering cycle processing unit of delayed coking |
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| JP2002105459A (en) * | 2000-10-03 | 2002-04-10 | Kawasaki Steel Corp | Dewatering method for slurry containing pitch powder, apparatus therefor, and production method for pitch |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112644996A (en) * | 2019-10-10 | 2021-04-13 | 中国石油化工股份有限公司 | Totally-enclosed decoking system |
| CN112704950A (en) * | 2019-10-24 | 2021-04-27 | 中石化广州工程有限公司 | Coking device coke cutting water treatment system and process |
| CN112934414A (en) * | 2021-03-26 | 2021-06-11 | 湖南方略环保技术有限公司 | Petroleum coke treatment system |
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