CN106595279A - Semicoke heat recovery method for rotary residue heat boiler - Google Patents
Semicoke heat recovery method for rotary residue heat boiler Download PDFInfo
- Publication number
- CN106595279A CN106595279A CN201611069276.0A CN201611069276A CN106595279A CN 106595279 A CN106595279 A CN 106595279A CN 201611069276 A CN201611069276 A CN 201611069276A CN 106595279 A CN106595279 A CN 106595279A
- Authority
- CN
- China
- Prior art keywords
- heat boiler
- semicoke
- waste heat
- revolution
- recovery method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/30—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotary or oscillating containers; with movement performed by rotary floors
- F26B17/34—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rotary or oscillating containers; with movement performed by rotary floors the movement being in a vertical or steeply inclined plane
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B39/00—Cooling or quenching coke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B3/00—Other methods of steam generation; Steam boilers not provided for in other groups of this subclass
- F22B3/04—Other methods of steam generation; Steam boilers not provided for in other groups of this subclass by drop in pressure of high-pressure hot water within pressure- reducing chambers, e.g. in accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- 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
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to a semicoke heat recovery method for a rotary residue heat boiler. The method comprises the steps: high-temperature semicoke is added into a feeding system of the rotary residue heat boiler and is conveyed to the rotary residue heat boiler by the feeding system; meanwhile, process water enters a heat exchange tube in the rotary residue heat boiler from the inlet of a process water rotary in-and-out system in the rotary residue heat boiler, and the high-temperature semicoke and the heat exchange tube are in contact to be cooled and are discharged from the bottom of the rotary residue heat boiler to obtain cooled semicoke; the heated process water is discharged to a flash tank from the outlet of the process water rotary in-and-out system to be flashed to separately generate saturated steam and flash water; and the flash water pressurized by a circulating pump enters the heat exchange tube again to be recycled. The method provided by the invention is convenient to operate, high in heat exchange efficiency and suitable for various working conditions.
Description
Technical field
The present invention relates to the technical field of semicoke heat recovery, more particularly to swinging waste heat boiler semicoke heat recovery side
Method.
Background technology
One of important product is exactly semicoke in the dry distillation of coal, and semicoke is a kind of important industrial chemicals and clean fuel,
Purposes and its extensively.The semicoke temperature produced after the low order dry distillation of coal is at 500 ~ 700 DEG C.It is, using the sensible heat of high-temperature semi-coke, to adopt more
With the CDQ of coking industry, by cold carrier gas in special installation（Such as noble gases N2）Drop is contacted with high-temperature semi-coke
Temperature, takes away heat by carrier gas, while carrier gas is heated to uniform temperature, high temperature carrier gas produces steam through waste heat boiler again,
Reach the purpose for reclaiming heat；But need numerous corollary equipments such as high temperature carrier gas blower fan, waste heat boiler, cleaner unit, complex operation；Separately
Outward, carrier gas directly with contact with semicoke, the harmful substance such as phenols, cyanide, sulfide and dust for adsorbing in semicoke must
In will diffuse into carrier gas, constantly circulated in carrier gas by carrier gas and accumulated, to the discharge of carrier gas great difficulty is caused.
The content of the invention
The technical problem to be solved is to provide a kind of simple, efficient swinging waste heat boiler semicoke heat recovery
Method.
To solve the above problems, the useless pot semicoke heat recovery method of swinging of the present invention, it is characterised in that：High temperature
Semicoke is added into the feed system of revolution waste heat boiler, is transported in the revolution waste heat boiler by the feed system；Meanwhile, work
The heat exchanger tube that skill water is entered in the revolution waste heat boiler from the import that fresh water (FW) in the revolution waste heat boiler rotates in and out system
In, the high-temperature semi-coke to after 100 ~ 220 DEG C, is discharged with the heat exchanger tube contact cooling from the revolution used heat pot bottom, is obtained
To cooling semicoke；And the technique coolant-temperature gage is increased to 100 ~ 220 DEG C, the outlet for rotating in and out system from the fresh water (FW) is discharged
Flash distillation is carried out to flash tank, 100 ~ 210 DEG C of saturated vapors of temperature and flash distillation water are produced respectively；The flash distillation water passes through circulating pump
It is pressurized to after 0.1 ~ 2.0MPa to re-enter into the heat exchanger tube and be circulated and uses.
The circulating pump refers to the one kind in the high-pressure pump or turbine of centrifugal pump, plunger displacement pump or other forms.
The fresh water (FW) is the one kind in deionized water, pot water or condensed steam water.
The revolution waste heat boiler includes the revolution cooling machine cylinder body for being provided with feed box being fixed in support roller gear wheel system；Institute
The one end for stating revolution cooling machine cylinder body is provided with feed system, and its other end is provided with fresh water (FW) and rotates in and out system, and its middle part is provided with
Drive system, in it heat exchanger tube is provided with；Input and output material sealing system is equipped with the feed system and the feed box.
The bottom or end of the revolution cooling machine cylinder body is provided with the feed box.
The centrage and the angle of horizontal plane of the revolution cooling machine cylinder body is 0.5 ~ 5 °.
Overflow baffle is provided with the feed box.
The piping mode of the heat exchanger tube is uniformly to line up 1 ~ 8 circle with concentric circular fashion；Each heat exchanger tube centrage and institute
State revolution cooling machine cylinder body center line parallel.
The feed system refers to feeding screw, and its feeding manner is directly tiltedly to slip.
The present invention has compared with prior art advantages below：
1st, the present invention reclaims high-temperature semi-coke latent heat using in revolution waste heat boiler, and is used to produce more steam with flash tank,
Not only easy to operate, heat exchange efficiency is high, and can be carried out that technological parameter is adjusted flexibly according to factory steam service condition, with suitable
Answer various working；The problems such as simultaneously fouling of pot need not being considered.
2nd, turn round the centrage of cooling machine cylinder body in revolution waste heat boiler according to the present invention and the angle of horizontal plane be 0.5 ~
5 °, so that material is entered with the rotation of cylinder, under gravity, the material after cooling is disposed to discharge end,
Discharge from feed box.
3rd, overflow baffle is provided with feed box in revolution waste heat boiler according to the present invention, by adjusting height, is freely controlled
Filling rate of the semicoke in cylinder, so as to increase the motility of operation.
Description of the drawings
The specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the schematic flow sheet of the present invention.
Fig. 2 is the structural representation that waste heat boiler is turned round in the present invention.
In figure：1-revolution waste heat boiler；2-flash tank；3-circulating pump；4 --- feed system；5-revolution cooling machine barrel
Body；6-drive system；7-feed box；8-cooling water rotates in and out system；9-heat exchanger tube；10-support roller gear wheel system；
11-input and output material sealing system.
Specific embodiment
As shown in figure 1, swinging waste heat boiler semicoke heat recovery method is referred to：High-temperature semi-coke is added into revolution waste heat boiler
1 feed system 4, is transported in revolution waste heat boiler 1 by feed system 4；Meanwhile, fresh water (FW) is from fresh water (FW) in revolution waste heat boiler 1
The import for rotating in and out system 8 is entered in the heat exchanger tube 9 turned round in waste heat boiler 1, and the heat of semicoke is delivered to work by tube wall
Skill water.Fresh water (FW) is the one kind in deionized water, pot water or condensed steam water.
High-temperature semi-coke to after 100 ~ 220 DEG C, is discharged with the contact cooling of heat exchanger tube 9 from revolution waste heat boiler 1 bottom, is cooled down
Semicoke.And technique coolant-temperature gage is increased to 100 ~ 220 DEG C, the outlet for rotating in and out system 8 from fresh water (FW) is expelled in flash tank 2
Row flash distillation, produces respectively 100 ~ 210 DEG C of saturated vapors of temperature and flash distillation water.
Saturated vapor can be used for the thermal source of other units of factory, such as can be used for the drying of raw coal, reach recovery high temperature half
It is burnt.
Flash distillation water by circulating pump 3 be pressurized to after 0.1 ~ 2.0MPa re-enter in heat exchanger tube 9 with semicoke indirect heat exchange.
The flash distillation water is circulated and uses, and can reduce the consumption of cooling water.To ensure recuperated cycle technique water consumption, in flash tank 2
Portion supplements fresh water (FW), enables circulation to go on.Circulating pump 3 is the high-pressure pump of centrifugal pump, plunger displacement pump or other forms or saturating
Flat machine.
Wherein：Revolution waste heat boiler 1 includes the revolution cooling machine barrel for being provided with feed box 7 being fixed in support roller gear wheel system 10
Body 5；One end of revolution cooling machine cylinder body 5 is provided with feed system 4, and its other end is provided with fresh water (FW) and rotates in and out system 8, its middle part
Drive system 6 is provided with, heat exchanger tube 9 is provided with it；Input and output material sealing system 11 is equipped with feed system 4 and feed box 7（Such as 2
Shown in figure）.
The bottom or end of revolution cooling machine cylinder body 5 is provided with feed box 7.Overflow baffle is provided with feed box 7.
The centrage of revolution cooling machine cylinder body 5 and the angle of horizontal plane are 0.5 ~ 5 °.
The piping mode of heat exchanger tube 9 is uniformly to line up 1 ~ 8 circle with concentric circular fashion；Each heat exchanger tube centrage is cold with revolution
But the center line of machine drum body 5 is parallel.Heat exchange tube diameter size designs DN80 ~ DN50, and general heat exchange tube diameter size is according to actual design
Adjustment.
Feed system 4 refers to feeding screw, and its feeding manner is directly tiltedly to slip or other modes.
Claims (9)
1. swinging waste heat boiler semicoke heat recovery method, it is characterised in that：High-temperature semi-coke is added into revolution waste heat boiler（1）'s
Feed system（4）, by the feed system（4）It is transported to the revolution waste heat boiler（1）It is interior；Meanwhile, fresh water (FW) is from the revolution
Waste heat boiler（1）Middle fresh water (FW) rotates in and out system（8）Import enter into the revolution waste heat boiler（1）Interior heat exchanger tube（9）In,
The high-temperature semi-coke and the heat exchanger tube（9）Contact cooling to after 100 ~ 220 DEG C, from the revolution waste heat boiler（1）Bottom is discharged,
Obtain cooling down semicoke；And the technique coolant-temperature gage is increased to 100 ~ 220 DEG C, from the fresh water (FW) system is rotated in and out（8）Go out
Mouth is expelled to flash tank（2）Flash distillation is inside carried out, 100 ~ 210 DEG C of saturated vapors of temperature and flash distillation water are produced respectively；The flash distillation water
By circulating pump（3）It is pressurized to after 0.1 ~ 2.0MPa and re-enters into the heat exchanger tube（9）It is circulated and uses.
2. swinging waste heat boiler semicoke heat recovery method as claimed in claim 1, it is characterised in that：The circulating pump（3）
Refer to the one kind in the high-pressure pump or turbine of centrifugal pump, plunger displacement pump or other forms.
3. swinging waste heat boiler semicoke heat recovery method as claimed in claim 1, it is characterised in that：The fresh water (FW) is to go
One kind in ionized water, pot water or condensed steam water.
4. swinging waste heat boiler semicoke heat recovery method as claimed in claim 1, it is characterised in that：The revolution waste heat boiler
（1）Including being fixed on support roller gear wheel system（10）On be provided with feed box（7）Revolution cooling machine cylinder body（5）；The revolution is cold
But machine drum body（5）One end be provided with feed system（4）, its other end is provided with fresh water (FW) and rotates in and out system（8）, its middle part is provided with
Drive system（6）, in it heat exchanger tube is provided with（9）；The feed system（4）With the feed box（7）On to be equipped with input and output material close
Envelope system（11）.
5. swinging waste heat boiler semicoke heat recovery method as claimed in claim 4, it is characterised in that：The revolution cooler
Cylinder（5）Bottom or end be provided with the feed box（7）.
6. swinging waste heat boiler semicoke heat recovery method as claimed in claim 4, it is characterised in that：The revolution cooler
Cylinder（5）The angle of centrage and horizontal plane be 0.5 ~ 5 °.
7. swinging waste heat boiler semicoke heat recovery method as claimed in claim 4, it is characterised in that：The feed box（7）
Inside it is provided with overflow baffle.
8. swinging waste heat boiler semicoke heat recovery method as claimed in claim 4, it is characterised in that：The heat exchanger tube（9）
Piping mode be with concentric circular fashion uniformly line up 1 ~ 8 circle；Each heat exchanger tube centrage and the revolution cooling machine cylinder body（5）
Center line is parallel.
9. the swinging waste heat boiler semicoke heat recovery method as described in claim 1 or 4, it is characterised in that：It is described to feed
Material system（4）Feeding screw is referred to, its feeding manner is directly tiltedly to slip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611069276.0A CN106595279B (en) | 2016-11-29 | 2016-11-29 | Rotary waste heat boiler semicoke heat recovery method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611069276.0A CN106595279B (en) | 2016-11-29 | 2016-11-29 | Rotary waste heat boiler semicoke heat recovery method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106595279A true CN106595279A (en) | 2017-04-26 |
| CN106595279B CN106595279B (en) | 2019-05-31 |
Family
ID=58595394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611069276.0A Active CN106595279B (en) | 2016-11-29 | 2016-11-29 | Rotary waste heat boiler semicoke heat recovery method |
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| Country | Link |
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| CN (1) | CN106595279B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2214947Y (en) * | 1995-03-30 | 1995-12-13 | 煤炭科学研究总院北京煤化学研究所 | Semi-coke cooling device |
| WO2000015733A1 (en) * | 1998-09-11 | 2000-03-23 | Atlantic Richfield Company | Cooling pocket for a rotary drum cooler having a flexible vent pipe assembly |
| DE102008057360A1 (en) * | 2008-11-14 | 2010-05-20 | Linde Aktiengesellschaft | Rotary drum heat exchanger, particularly coke cooler, comprises rotary drum, which is immersed in liquid bath for receiving and passing granular material |
| CN102085422A (en) * | 2009-12-08 | 2011-06-08 | 沈善明 | Continuous vacuum dynamic sublimation and desublimation machine |
| CN102492445A (en) * | 2011-11-17 | 2012-06-13 | 山东天力干燥股份有限公司 | Multi-pipe revolving low-temperature dry distillation technology of fine coal |
| CN202440462U (en) * | 2012-02-10 | 2012-09-19 | 西安三瑞实业有限公司 | Rotary cooling furnace for dry quenching of semi-coke |
| CN203462001U (en) * | 2013-08-20 | 2014-03-05 | 北京宝塔三聚能源科技有限公司 | Semi-coke rotary cooling device |
| CN105865191A (en) * | 2016-04-22 | 2016-08-17 | 天华化工机械及自动化研究设计院有限公司 | Method for vinasse tube bank type drying and exhaust gas and steam condensed liquid heat recycling |
-
2016
- 2016-11-29 CN CN201611069276.0A patent/CN106595279B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2214947Y (en) * | 1995-03-30 | 1995-12-13 | 煤炭科学研究总院北京煤化学研究所 | Semi-coke cooling device |
| WO2000015733A1 (en) * | 1998-09-11 | 2000-03-23 | Atlantic Richfield Company | Cooling pocket for a rotary drum cooler having a flexible vent pipe assembly |
| DE102008057360A1 (en) * | 2008-11-14 | 2010-05-20 | Linde Aktiengesellschaft | Rotary drum heat exchanger, particularly coke cooler, comprises rotary drum, which is immersed in liquid bath for receiving and passing granular material |
| CN102085422A (en) * | 2009-12-08 | 2011-06-08 | 沈善明 | Continuous vacuum dynamic sublimation and desublimation machine |
| CN102492445A (en) * | 2011-11-17 | 2012-06-13 | 山东天力干燥股份有限公司 | Multi-pipe revolving low-temperature dry distillation technology of fine coal |
| CN202440462U (en) * | 2012-02-10 | 2012-09-19 | 西安三瑞实业有限公司 | Rotary cooling furnace for dry quenching of semi-coke |
| CN203462001U (en) * | 2013-08-20 | 2014-03-05 | 北京宝塔三聚能源科技有限公司 | Semi-coke rotary cooling device |
| CN105865191A (en) * | 2016-04-22 | 2016-08-17 | 天华化工机械及自动化研究设计院有限公司 | Method for vinasse tube bank type drying and exhaust gas and steam condensed liquid heat recycling |
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| Publication number | Publication date |
|---|---|
| CN106595279B (en) | 2019-05-31 |
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