CN106870044A - A kind of electricity generation system for recycling industrial waste heat - Google Patents
A kind of electricity generation system for recycling industrial waste heat Download PDFInfo
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- CN106870044A CN106870044A CN201710163546.2A CN201710163546A CN106870044A CN 106870044 A CN106870044 A CN 106870044A CN 201710163546 A CN201710163546 A CN 201710163546A CN 106870044 A CN106870044 A CN 106870044A
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- accumulator tank
- generation system
- cooling tower
- electricity generation
- steam turbine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
- F01K27/02—Plants modified to use their waste heat, other than that of exhaust, e.g. engine-friction heat
-
- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a kind of electricity generation system for recycling industrial waste heat, belong to Waste Heat Recovery and green energy resource develop and uses technical field, it is with by making cooling tower, accumulator tank, pipeline pump, non-return valve and heat exchanger, the electricity generation system that accumulator tank and air motor or steam turbine and generator are formed by the connection of UNICOM's pipeline, generate electricity operating to generate electricity to make the dynamic pressure produced less than the low-boiling point liquid gasification expansion of water at normal temperature boiling point (100 DEG C) in evaporator be driven by air motor or steam turbine, the system at utmost can be generated electricity using used heat waste water, increase the environment friendly of electricity generation system, energy saving.
Description
Technical field
A kind of electricity generation system for recycling industrial waste heat disclosed by the invention, belongs to Waste Heat Recovery and green energy resource exploitation
With utilize technical field.
Background technology
In the prior art, coal-fired or nuclear energy power generation, is all to produce dynamic pressure to promote by being allowed to gasification expansion to water heating
Steam turbine drives the generating that generator operation is realized.However, this make the extremely inefficient of aqueous vapor elelctrochemical power generation.Its reason is:
By heating water the simply steam kinetic energy for being obtained, it is not heat, but releases the vapor of pressure still to put aside very
Big heat energy, and the loss of this partial heat energy will account for the 70% of coal-fired energy.Consider for the further profit to this partial heat energy
With being used below the low-boiling point liquid (such as ether, ethanol, ammoniacal liquor) of water at normal temperature boiling point (100 DEG C) to carry out Waste Heat Recovery
Using as focus.Result of the test shows, the low-boiling point liquid steam gas that expansion produces that gasify after being heated are recycled.This
Just illustrate, the low-boiling point liquid that gasified using industrial waste heat is allowed to expansion and produces dynamic pressure, it may be possible to which pushing turbine drives
Generator operation is generated electricity.The present invention is based on this, a kind of new industrial waste heat gas-to electricity system is proposed, simultaneously because energy
Amount conversion certainly exists loss, and regular industrial used heat (including waste hot gas, spent hot water) occurred in use using system
The energy loss of different parts, the especially efficiency on the critical component such as component such as cooling tower, heat exchanger just seem very
It is important, industrial waste heat is applied to using generating the invention allows for a kind of new cooling tower structure.
The content of the invention
In order to solve the above technical problems, utilizing industrial waste heat electricity generation system, its purpose the invention provides one kind:To pass through
Pass through cooling tower, accumulator tank, pipeline pump, non-return valve, water heat exchanger, accumulator tank and air motor or steam turbine and generator
The electricity generation system facility designed by the connection of UNICOM's pipeline is crossed to realize that it is low in evaporator that the water heated using industrial waste heat is made
The dynamic pressure (steam pressure) produced in low-boiling point liquid (such as ether) the gasification expansion of water at normal temperature boiling point (100 DEG C) passes through gas
The new technique that dynamic motor or steam turbine drive generator operation to generate electricity.
Specifically, the present invention uses following technical scheme:
A kind of electricity generation system for recycling industrial waste heat, the electricity generation system mainly includes cooling tower, accumulator tank, pipeline
Pump, non-return valve, water heat exchanger, accumulator tank, air motor or steam turbine and generator, it is characterised in that:Wherein cooling tower
Interior undermost spherical shunting cylinder is connected by condensed fluid return line with accumulator tank, and the condensed fluid after cooling passes through pipeline
Pump and non-return valve carry out heat exchange in being supplied to water heat exchanger, and evaporator, water heat exchanger are provided with water heat exchanger
Top is provided with accumulator tank in communication, accumulator tank top be additionally provided with the air motor that is connected by pneumatic tube road or
Steam turbine, is provided with accumulator tank output channel valve and temperature and pressure sensor, by utilizing work on the pneumatic tube road
Low-boiling point liquid in the water and evaporator of industry waste heat is carried out after heat exchange, and produced gas is gentle by accumulator tank
Pressure transfer pipeline is conveyed to air motor or steam turbine to drive generating to be generated electricity, released after acting the gas of pressure via
Cooling tower condensation is reduced into liquid, is circulated with this.
Used as one aspect of the present invention, cooling tower structure of the invention is as follows, using being embedded in cooling tower wall
Pre-embedded bolt and nut are fixed with several shunting bracket cylinders, by the second bolt by transverse weld in spherical shunting cylinder bottom portion
Fixed plate is fixed on above shunting bracket cylinder, shunting cylinder flange is fixed with condensation pipe flange using the first bolt and is docked,
What is then forward interlocked between upper one spherical shunting cylinder and next spherical shunting cylinder is provided with several condenser pipes, the condensation
Pipe is several condensation fin tubes for being fixed by several steel pipes and several support fixed plates and makes its two ends through cold
Solidifying pipe flange is made by welding.
Used as one aspect of the present invention, the spherical shunting cylinder of orlop or the superiors is external by shunting cylinder in cooling tower
The condensation UNICOM pipeline that pipe flange connection is connected with air motor or steam turbine, is connected between shunting cylinder up and down by cross over pipe
Logical, condensed fluid is collected back UNICOM's accumulator tank by the cross over pipe by condensed fluid return line, its act on be with cooling tower to
It is upper to extract the air-flow that air formed and take away the heat that condenser pipe comes out, so that after the gas in condenser pipe is condensed
It is back in accumulator tank and is continuing with.
As one aspect of the present invention, when the gas superpressure in accumulator tank via the cold of UNICOM of safety valve cross over pipe institute
Solidifying UNICOM pipeline can be discharged into condenser pipe, and the gas with air motor or steam turbine UNICOM is additionally provided with above accumulator tank
Pressure transfer pipeline and accumulator tank output channel valve and temperature and pressure sensor.
Used as one aspect of the present invention, the data detected by the liquid level sensor being arranged on above evaporator are controlled
The rotating speed of pipeline pump supplies the stabilization of evaporator amount of fluid to ensure in the unit interval, be defeated by being arranged on air pressure secondly
The water supply for sending the data that temperature and pressure sensor above pipeline are detected to control industrial waste heat to heat participates in heat exchange
Hot water quantity.
A kind of new cooling tower structure, its structure is as follows, using the pre-embedded bolt and spiral shell that are embedded in cooling tower wall
Mother is fixed with several shunting bracket cylinders, and the fixed plate by the second bolt by transverse weld in spherical shunting cylinder bottom portion is fixed on
Above shunting bracket cylinder, shunting cylinder flange is fixed with condensation pipe flange using the first bolt and dock, then in a upper ball
What is forward interlocked between shape shunting cylinder and next spherical shunting cylinder is provided with several condenser pipes, and the condenser pipe is by several
Steel pipe and several support fixed plates fixed several condensation fin tubes and make its two ends through condensation pipe flange pass through
Weld and be made.
After adopting the above technical scheme, obtaining following beneficial effect:
1) propose a kind of new industrial waste heat gas-to electricity system, its CONSTRUCTED SPECIFICATION more shown in detail, its part it
Between be fitted close synergy, at utmost can be generated electricity using used heat waste water using low-boiling point liquid, increase generate electricity system
The environment friendly of system, energy saving;
2) design key part includes the component such as cooling tower, heat exchanger, and its unique structure increased what it was applied
The active cooling surface that efficiency, such as cooling column structure had both increased cooling tower is accumulated, and lifter cooling effectiveness, while save again
Construction space so that maximum validity plays cooling performance in the confined space.
Brief description of the drawings
Accompanying drawing 1 is a kind of cogeneration technology embodiment schematic diagram disclosed by the invention;
Accompanying drawing 2 is the K2 positions enlarged diagram of accompanying drawing 1;
Accompanying drawing 3 is the K1 positions enlarged diagram of accompanying drawing 1;
Accompanying drawing 4 is the condenser pipe position enlarged diagram of accompanying drawing 1;
Accompanying drawing 5 is the K positions enlarged diagram of accompanying drawing 1;
Reference:1- cooling towers;1-1- pre-embedded bolts;The spherical shunting cylinders of 2-;2-1- shunts cylinder flange;2-2- consolidates
Fixed board;2-3- cross over pipes, 3- condenser pipes;3-1- condenses pipe flange;3-2 steel pipes;3-3- supports fixed plate;3-4- condenser pipe fins
Pipe;The bolts of 4- first;5- shunts bracket cylinder;The bolts of 6- second;7- nuts;8- shunts the external pipe flange of cylinder;9- condenses cross over pipe
Road;10- air motors or steam turbine;11- shaft couplings;12- generators;13- pneumatic tubes road;14- safety valve cross over pipes;
15- condensed fluid return lines;The bolts of 16- the 3rd;17- accumulator tanks;18- hot water input channel interfaces;On 19- water heat exchangers
Bolt of cover setting;20- accumulator tank output channel valves;21- temperature and pressure sensor;Covered on 22- water heat exchangers;23- stores
Pressure tank flange;24- accumulator tanks;25- evaporators;The bolts of 25-1- the 4th;25-2- bottom end covers;25-3- evaporator fin pipes;
25-4- low head flanges;25-5- low heads;25-6 rubber blankets;25-7- sealing gaskets;The bolts of 25-8- the 5th;25-9 gland methods
It is blue;25-10- liquid delivery tube interfaces;25-11- upper cover flanges;The bolts of 25-12- the 6th;25-14- upper end covers;On 25-13-
End socket;26- delivery pipes;27- other utilization pipe valves;28- liquid level sensors;29- water heat exchangers;30- pipeline pumps;31-
Non-return valve;32- butt tube sealing flanges;33- hot water delivery pipe's flanges;34- hot water plays back pipe valve.
Specific embodiment
Shown in Figure 1, the electricity generation system for recycling industrial waste heat of the invention, the electricity generation system mainly includes cooling
Tower 1, accumulator tank 17, pipeline pump 30, non-return valve 31, water heat exchanger 29, accumulator tank 24, air motor or steam turbine 10 and hair
Motor 12, it is characterised in that:Undermost spherical shunting cylinder 2 is by condensed fluid return line 15 and storage wherein in cooling tower 1
Store tank 17 to connect, the condensed fluid after cooling carries out hot friendship in being supplied to water heat exchanger 29 by pipeline pump 30 and non-return valve 31
Change, evaporator 25 is provided with water heat exchanger 29, the top of water heat exchanger 29 is provided with accumulator tank 24 in communication, stores
The top of pressure tank 24 is additionally provided with the air motor or steam turbine 10 connected by pneumatic tube road 13, the pneumatic tube road 13
On be provided with accumulator tank output channel valve 20 and temperature and pressure sensor 21, by using industrial waste heat heat water with steam
Low-boiling point liquid in hair device 25 is carried out after heat exchange, and produced gas is defeated by accumulator tank 24 and air pressure transfer pipeline 13
Give air motor or steam turbine 10 to drive generating 12 to be generated electricity, the gas of pressure is released after acting via cooling tower 1
Condensation is reduced into liquid, is circulated with this.
More than i.e. using industrial waste heat heat water or industrial hot water come make in evaporator 25 less than water at normal temperature boiling point
The dynamic pressure that low-boiling point liquid (such as ether) the gasification expansion of (100 DEG C) is produced, is conveyed to pneumatic via pneumatic tube road 13
Motor or steam turbine 10 drive generator 12 to operate, and gas to releasing pressure after acting is allowed to cold via cooling tower 1
It is solidifying to be reduced into liquid, for the liquid that condensation is reduced into, it is allowed to via the savings set on condensed fluid return line 15
Tank 17, pipeline pump 30 are pressurizeed and the reverse flow-stopping of non-return valve 31 is again fed to this hair being continuing with evaporator 25
Electric principle, with the power generating equipment for designing and producing, that is realized produces dynamic pressure to be sent out using industrial waste heat gasification low-boiling point liquid
Electricity.
Wherein, involved cooling tower, accumulator tank, pipeline pump, non-return valve, water heat exchanger, accumulator tank, air motor
Or the design structure and UNICOM's form and operational mode of steam turbine, generator are described in detail as follows.
As one of emphasis of the present invention aspect, the cooling tower 1 of industrial waste heat generating of the invention or similar to cooling tower 1
Facility, profile such as chimney or ventilation shaft, may be provided at ground, the water surface, mountain top, roof or with building one build, at it
Inside, referring to Fig. 4-5, several shunting cylinders is fixed with using the pre-embedded bolt 1-1 and nut 7 that are embedded in the wall of cooling tower 1
Bracket 5, the fixed plate 2-2 by the second bolt 6 by transverse weld in spherical shunting cylinder 2 bottom is fixed on shunting bracket cylinder 5
Face, makes shunting cylinder flange 2-1 be fixed with condensation pipe flange 3-1 and docks, then in a upper spherical shunting using the first bolt 4
What is forward interlocked between cylinder and next spherical shunting cylinder is provided with several condenser pipes 3, and the condenser pipe 3 is by several steel pipes
3-2 and several support fixed plate 3-3 fixed several condensation fin tube 3-4 and make its two ends through condensation pipe flange
3-1 is made by welding.The spherical shunting cylinder 2 of orlop or the superiors by shunt the external pipe flange 8 of cylinder couple with it is pneumatic
Motor or the condensation UNICOM pipeline 9 of the connection of steam turbine 10, cross over pipe 2-3, cross over pipe are communicated between spherical shunting cylinder 2 up and down
Condensed fluid is collected back UNICOM's accumulator tank 17 by 2-3 by condensed fluid return line 15, and its effect is taken out upwards with cooling tower 1
Take the air-flow of air formation to take away the heat that condenser pipe 3 comes out, so that being returned after the gas in condenser pipe 3 is condensed
Flow to and be continuing with accumulator tank 17, the active cooling surface that such cooling column structure had both increased cooling tower is accumulated, and lifter
Cooling effectiveness, while saving construction space again so that maximum validity plays cooling tower performance in the confined space.
As one of emphasis of the present invention aspect, referring to Fig. 2-3, evaporator of the present invention in water heat exchanger 29
25, specifically by several evaporator fin pipes 25-3 through bottom end cover 25-2 and upper end cover 25-14 and firm welding, using the
Four bolt 25-1 sealingly connect bottom end cover 25-2 and low head flange 25-4, make the liquid delivery tube with low head 25-5 UNICOMs
Butt tube sealing flange 32 is passed through after interface 25-10 sleeve gasket rubber blankets 25-6, gland flange is locked using the 5th bolt 25-8
25-9 and sealing gasket 25-7, and make the pipeline pump 30 of liquid delivery tube interface 25-10 and UNICOM's accumulator tank 17 and non-return valve 31
Pipeline is connected, and is fixedly connected upper end cover 25-14 and upper cover flange 25-11 using the 6th bolt 25-12, makes UNICOM upper
Above end socket 25-13 pipe is through lid on water heat exchanger 22 and welds upper flange, be allowed to using the 3rd bolt 16 and accumulator tank
The fit sealing of flange 23 is docked, and the top of accumulator tank 24 of docking is provided with and condenses the safety valve connection that UNICOM's pipeline 9 couples
Siphunculus 14, can arrange when the gas superpressure in accumulator tank 24 via the condensation UNICOM pipeline 9 of 14 UNICOMs of safety valve cross over pipe
It is put into condenser pipe 3, and the pneumatic tube road with air motor or the UNICOM of steam turbine 10 is additionally provided with the top of accumulator tank 24
13 and accumulator tank output channel valve 20 and temperature and pressure sensor 21.The hot water or industrial hot water of industrial waste heat heating pass through
Pump tube connects the hot water input channel interface 18 of the top of water heat exchanger 29, and the lower section of water heat exchanger 29 sets hot water output
The delivery pipe 26 of the UNICOM of interface tube flange 33 be used for discharge water, on the one hand via other utilization pipe valve 27 can with purposes its
It, on the other hand, underground can be discharged into via hot water playback pipe valve 34, can be used for promoting water to the water of subsurface disposal
Turbine generator is further utilized to generate electricity.
In terms of the control design case of stability, the number detected by the liquid level sensor 28 being arranged on above evaporator 25
The stabilization that the amount of fluid of evaporator 25 is supplied in the unit interval is ensured according to the rotating speed of control pipeline pump 30, is by setting secondly
The water for putting data that the temperature on pneumatic tube road 13 and pressure sensor 21 detect to control industrial waste heat to heat
Supply participates in the hot water quantity of heat exchange, i.e., with the premise of the amount of fluid of evaporator 25 stabilization of ensuring supply, by ensureing
Hot water participates in the stabilization of the thermal capacity of heat exchange come the stabilization of ensure supply air motor or the dynamic pressure of steam turbine 10, so as to ensure
The stabilization of the output current power of generator 12 coupled with air motor or steam turbine 10 by shaft coupling 11.
Wherein, the water of involved industrial waste heat heating, including industrial waste heat heating air or industrial waste heat in itself
It is industrial wastewater or bled steam.
Although detailed description being given to specific embodiment of the invention above and being illustrated, it should be noted that
We can carry out various equivalent changes and modification to above-mentioned implementation method according to conception of the invention, and the function produced by it is made
With still without departing from specification and accompanying drawing covered it is spiritual when, all should be within protection scope of the present invention.The above, only
Presently preferred embodiments of the present invention, is not intended to limit the invention, it is every according to technical spirit of the invention to above example institute
Any trickle amendment, equivalent and the improvement made, should be included within the protection domain of technical solution of the present invention.
Claims (4)
1. it is a kind of recycle industrial waste heat electricity generation system, the electricity generation system mainly include cooling tower (1), accumulator tank
(17), pipeline pump (30), non-return valve (31), water heat exchanger (29), accumulator tank (24), air motor or steam turbine (10) and
Generator (12), it is characterised in that:Undermost spherical shunting cylinder (2) is by condensed fluid return duct wherein in cooling tower (1)
Road (15) connects with accumulator tank (17), and the condensed fluid after cooling is supplied to hydro-thermal and hands over by pipeline pump (30) and non-return valve (31)
Parallel operation carries out heat exchange in (29), and evaporator (25) is provided with water heat exchanger (29), and water heat exchanger (29) top sets
Accumulator tank (24) in communication is equipped with, accumulator tank (24) top is additionally provided with by the pneumatic of pneumatic tube road (13) connection
Motor or steam turbine (10), accumulator tank output channel valve (20) and temperature and pressure are provided with the pneumatic tube road (13)
Sensor (21), after carrying out heat exchange by the low-boiling point liquid in the water that is heated using industrial waste heat and evaporator (25),
Produced gas is conveyed to air motor or steam turbine (10) to drive by accumulator tank (24) and air pressure transfer pipeline (13)
Generating (12) is generated electricity, and the gas that pressure is released after acting is reduced into liquid via cooling tower (1) condensation, is circulated with this.
2. according to the electricity generation system described in claim 1, it is characterised in that cooling tower (1) structure is as follows, using being embedded in
Pre-embedded bolt (1-1) and nut (7) in cooling tower (1) wall are fixed with several shuntings bracket cylinder (5), by the second bolt
(6) fixed plate (2-2) by transverse weld in spherical shunting cylinder (2) bottom is fixed on shunting bracket cylinder (5) above, using first
Bolt (4) make shunting cylinder flange (2-1) with condensation pipe flange (3-1) fixation dock, then upper one it is spherical shunting cylinder and
What is forward interlocked between next spherical shunting cylinder is provided with several condenser pipes (3), and the condenser pipe (3) is by several steel pipes
(3-2) and several support fixed plate (3-3) fixed several condensation fin tube (3-4) and make its two ends through condensation
Pipe flange (3-1) is made by welding.
3. according to the electricity generation system described in claim 1 and 2, it is characterised in that orlop or the superiors in the cooling tower (1)
Spherical shunting cylinder (2) by shunt the external pipe flange of cylinder (8) couple connected with air motor or steam turbine (10) condensation connection
Siphunculus road (9), is connected between spherical shunting cylinder (2) up and down by cross over pipe (2-3), and the cross over pipe (2-3) passes through condensate liquid
Condensed fluid is collected back UNICOM's accumulator tank (17) by body return line (15).
4. according to the electricity generation system described in claim 1 and 2, it is characterised in that passed through when the gas superpressure in accumulator tank (24)
Can be discharged into condenser pipe (3) by condensation UNICOM pipeline (9) of UNICOM of safety valve cross over pipe (14) institute, and in accumulator tank (24)
Top is additionally provided with the pneumatic tube road (13) with air motor or steam turbine (10) UNICOM.
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CN201710163546.2A CN106870044B (en) | 2017-03-20 | 2017-03-20 | A kind of electricity generation system for recycling industrial waste heat |
CN201711110098.6A CN107905865B (en) | 2017-03-20 | 2017-03-20 | Power generation system capable of recycling industrial waste heat |
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CN201710163546.2A CN106870044B (en) | 2017-03-20 | 2017-03-20 | A kind of electricity generation system for recycling industrial waste heat |
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CN201711110098.6A Division CN107905865B (en) | 2017-03-20 | 2017-03-20 | Power generation system capable of recycling industrial waste heat |
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CN201711110098.6A Active CN107905865B (en) | 2017-03-20 | 2017-03-20 | Power generation system capable of recycling industrial waste heat |
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CN101476496A (en) * | 2009-01-20 | 2009-07-08 | 西安交通大学 | Power generation system used for heat source at low temperature of 60-90 DEG C |
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Also Published As
Publication number | Publication date |
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CN107905865A (en) | 2018-04-13 |
CN107905865B (en) | 2020-05-08 |
CN106870044B (en) | 2017-12-08 |
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