CN108061668A - High-sulfur coal unit flue gas waste heat utilization is desorption pilot scale test bench in coordination - Google Patents
High-sulfur coal unit flue gas waste heat utilization is desorption pilot scale test bench in coordination Download PDFInfo
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- CN108061668A CN108061668A CN201810138606.XA CN201810138606A CN108061668A CN 108061668 A CN108061668 A CN 108061668A CN 201810138606 A CN201810138606 A CN 201810138606A CN 108061668 A CN108061668 A CN 108061668A
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- 238000012360 testing method Methods 0.000 title claims abstract description 53
- 239000003245 coal Substances 0.000 title claims abstract description 30
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title abstract description 16
- 239000003546 flue gas Substances 0.000 title abstract description 16
- 229910052717 sulfur Inorganic materials 0.000 title abstract description 10
- 239000011593 sulfur Substances 0.000 title abstract description 10
- 239000002918 waste heat Substances 0.000 title abstract 3
- 238000011020 pilot scale process Methods 0.000 title description 2
- 238000003795 desorption Methods 0.000 title 1
- 239000000428 dust Substances 0.000 claims abstract description 25
- 238000010521 absorption reaction Methods 0.000 claims abstract description 16
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 82
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 26
- 239000005864 Sulphur Substances 0.000 claims description 23
- 239000003517 fume Substances 0.000 claims description 23
- 238000005260 corrosion Methods 0.000 claims description 21
- 230000007797 corrosion Effects 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 238000011144 upstream manufacturing Methods 0.000 claims description 10
- 230000002209 hydrophobic effect Effects 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 4
- 238000011160 research Methods 0.000 abstract description 5
- 230000002195 synergetic effect Effects 0.000 abstract 1
- 239000000779 smoke Substances 0.000 description 9
- 235000019504 cigarettes Nutrition 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 239000003500 flue dust Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000391 smoking effect Effects 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009183 running Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000002631 hypothermal effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
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- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Biodiversity & Conservation Biology (AREA)
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- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Sampling And Sample Adjustment (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a pilot test bed for cooperatively removing flue gas waste heat of a high-sulfur coal unit, which comprises a flue, an electric dust removal system, an induced draft fan, a water-water heat exchanger, a circulating pump and a plurality of heat exchange modules, wherein the flue is connected with the electric dust removal system; the upper stream outlet of the flue is communicated with the lower stream inlet of the flue through the heat release side of each heat exchange module, the electric dust removal system and the induced draft fan in sequence, the heat release side outlet of the water-water heat exchanger is communicated with the heat absorption side inlet of each heat exchange module through the circulating pump, the heat absorption side outlet of each heat exchange module is communicated with the heat release side inlet of the water-water heat exchanger, and the test bed is used for developing flue gas waste heat utilization and synergic removal test research of the high-sulfur coal unit.
Description
Technical field
The invention belongs to the utilization of industrial smoke discharging residual heat and field of environment protection, are related to a kind of sulphur coal unit fume afterheat profit
With cooperation-removal pilot plant test platform.
Background technology
It is that current coal unit is ultra-clean using cooperation-removal technology using gas cooler+electric precipitation as the fume afterheat of core
One of major technique of discharge can effectively improve electric precipitation efficiency of dust collection and significantly alleviate downstream flue because of flue gas SO3Condensation is made
Into etching problem, while air-introduced machine energy consumption and wet desulfurizing process water can also be reduced.At present, numerous domestic coal-burning power plant
Fume afterheat all has been carried out to transform using cooperation-removal and achieve good economic and social benefit, but it is popularized in an all-round way
Still have some problems.Wherein, most important problem be so far fume afterheat using cooperation-removal technology at home and abroad still
Without sulphur coal unit application project example, existing successful engineering example be in, low-sulfur part coal unit.It is counted according to investigation,
Ended for the end of the year 2015, the domestic fume afterheat that puts into operation is no more than 2% using the unit coal-burning design sulfur content of cooperation-removal technology, state
It is outer to be no more than 1.17%.In these, the operating experience of low-sulfur part coal unit whether suitable for the numerous sulfur content in China be up to 4-
8% high-sulfur coal-burning power plant is still unknown, therefore the fume afterheat for being highly desirable to carry out sulphur coal unit is de- using collaboration
Except experimental study, to instruct engineering practice.
The content of the invention
The shortcomings that it is an object of the invention to overcome the above-mentioned prior art, provides a kind of sulphur coal unit fume afterheat profit
With cooperation-removal pilot plant test platform, the fume afterheat which carries out sulphur coal unit utilizes cooperation-removal experimental study.
In order to achieve the above objectives, sulphur coal unit fume afterheat of the present invention utilizes cooperation-removal pilot plant test platform bag
Include flue, electric dust removing system, air-introduced machine, water water- to-water heat exchanger, circulating pump and several heat exchange modules；
Cold side, electric dust removing system and the downstream of air-introduced machine and flue of the upstream outlet of flue successively through each heat exchange module
Entrance is connected, and the heat release side outlet of water water- to-water heat exchanger is connected through circulating pump with the heat absorption side entrance of each heat exchange module respectively,
The heat absorption side outlet of each heat exchange module is connected with the heat release side entrance of water water- to-water heat exchanger.
The cold side exit of each heat exchange module is both provided with acoustic wave ash ejector.
The heat absorption side outlet of each heat exchange module is divided into two-way after pipeline and pipe, wherein all the way with through the first water adjusting valve
It is connected with the heat release side entrance of water water- to-water heat exchanger, another way is connected with the entrance of the second water adjusting valve, water water- to-water heat exchanger
Heat release side outlet is connected through the 3rd water adjusting valve with the second water adjusting valve by the entrance of pipeline and Guan Houyu circulating pumps.
Hydrophobic expansion tank is further included, wherein, the entrance phase of the 4th water adjusting valve of outlet and circulating pump of hydrophobic expansion tank
Connection.
Further include to detect the first temperature sensor of water temperature at circulating-pump outlet, wherein, the first temperature sensor
Output terminal is connected with the control terminal of the second water adjusting valve.
The outlet of circulating pump is divided into multichannel, wherein, all the way correspond to a heat exchange module, each the 5th water adjusting valves of Lu Junjing with
The heat absorption side entrance of corresponding heat exchange module is connected, and the cold side exit of each heat exchange module is both provided with to detect heat exchange mould
The second temperature sensor of block cold side outlet temperature, wherein, the output terminal of second temperature sensor is adjusted with the corresponding 5th
The control terminal of water valve is connected, and three-temperature sensor is provided at the upstream outlet of flue.
The first shut-off valve is provided at the upstream outlet of flue, the second shut-off valve is provided at the downstream entrance of flue.
Drain valve and exhaust steam valve are provided on the outer wall of each heat exchange module.
Four corrosion test modules are further included, wherein, the number of heat exchange module is 5 groups, wherein, four corrosion test modules
Second group of heat exchange module, the 3rd group of heat exchange module, the 4th group of heat exchange module and the 5th group of heat exchange module are corresponded to respectively, and each corrosion is surveyed
Die trial block includes three 20G coupons, three ND steel curved beams pipes, three 316L coupons and a test specimen block, wherein, heat exchange
10 gaging holes, three 20G coupons, three ND steel curved beams pipes, three 316L coupons are offered on the side wall of module cold side
And a test specimen block is inserted in gaging hole respectively, 20G coupons, ND steel curved beams pipe, 316L coupons and test specimen block correspond to respectively
One gaging hole.
The exit of each heat exchange module cold side is provided with pressure sensor.
The invention has the advantages that：
Sulphur coal unit fume afterheat of the present invention utilizes cooperation-removal pilot plant test platform in concrete operations, flue
The flue gas of upstream outlet output enters cigarette under the action of air-introduced machine after each heat exchange module heat release, electric dust removing system electric precipitation
In the downstream entrance in road, the recirculated water that water water- to-water heat exchanger heat release side outlet exports is under the action of circulating pump through each heat exchange module
It is entered after heat absorbing side heat absorption in the cold side of water water- to-water heat exchanger, realizes that the fume afterheat of sulphur coal unit is tried using cooperation-removal
Research is tested, it is simple, convenient, there is preferable engineering application value.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Wherein, 1 it is heat exchange module, 2 be water water- to-water heat exchanger, 3 be circulating pump, 4 be electric dust removing system, 5 be air-introduced machine, 6 is
Acoustic wave ash ejector, 7 be hydrophobic expansion tank, 8 be corrosion test module, 9 be the 5th water adjusting valve, 10 be the second water adjusting valve, 11
It is three-temperature sensor for the first water adjusting valve, 12,13 be pressure sensor, 14 be exhaust steam valve, 15 be drain valve, 16 is
One shut-off valve, 17 be the second shut-off valve, 18 be the 3rd water adjusting valve, 19 be the 4th water adjusting valve.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
With reference to figure 1, sulphur coal unit fume afterheat of the present invention using cooperation-removal pilot plant test platform include flue,
Electric dust removing system 4, air-introduced machine 5, water water- to-water heat exchanger 2, circulating pump 3 and several heat exchange modules 1；The upstream outlet of flue is successively through each
Cold side, electric dust removing system 4 and the air-introduced machine 5 of heat exchange module 1 are connected with the downstream entrance of flue, and water water- to-water heat exchanger 2 is put
Hot side outlet is connected through heat absorption side entrance of the circulating pump 3 respectively with each heat exchange module 1, the heat absorption side outlet of each heat exchange module 1
It is connected with the heat release side entrance of water water- to-water heat exchanger 2；The cold side exit of each heat exchange module 1 is both provided with acoustic wave ash ejector 6.
The heat absorption side outlet of each heat exchange module 1 is divided into two-way after pipeline and pipe, wherein all the way with adjusting water through first
Valve 11 is connected with the heat release side entrance of water water- to-water heat exchanger 2, and another way is connected with the entrance of the second water adjusting valve 10, and water water changes
The heat release side outlet of hot device 2 entering by pipeline and Guan Houyu circulating pumps 3 through the 3rd water adjusting valve 18 and the second water adjusting valve 10
Mouth is connected.
Present invention additionally comprises hydrophobic expansion tank 7, wherein, the 4th water adjusting valve 19 of outlet and the Xun Huan of hydrophobic expansion tank 7
The entrance of pump 3 is connected；Present invention additionally comprises for detecting the first temperature sensor of 3 exit water temperature of circulating pump, wherein,
The output terminal of one temperature sensor is connected with the control terminal of the second water adjusting valve 10.
The outlet of circulating pump 3 is divided into multichannel, wherein, a heat exchange module 1, each the 5th water adjusting valves of Lu Junjing are corresponded to all the way
9 are connected with the heat absorption side entrance of corresponding heat exchange module 1, and the cold side exit of each heat exchange module 1 is both provided with to detect
The second temperature sensor of 1 cold side outlet temperature of heat exchange module, wherein, the output terminal of second temperature sensor and corresponding
The control terminal of five water adjusting valves 9 is connected, and three-temperature sensor 12 is provided at the upstream outlet of flue.
The first shut-off valve 16 is provided at the upstream outlet of flue, the second shut-off valve is provided at the downstream entrance of flue
17；Drain valve 15 and exhaust steam valve 14 are provided on the outer wall of each heat exchange module 1.
Present invention additionally comprises four corrosion test modules 8, wherein, the number of heat exchange module 1 is 5 groups, wherein, four corrosion
Test module 8 corresponds to second group of heat exchange module 1, the 3rd group of heat exchange module 1, the 4th group of heat exchange module 1 and the 5th group of heat exchange respectively
Module 1, each corrosion test module 8 is including three 20G coupons, three ND steel curved beams pipes, three 316L coupons and one
Test specimen block, wherein, 10 gaging holes, three 20G coupons, three ND steel curved beams are offered on the side wall of 1 cold side of heat exchange module
Pipe, three 316L coupons and a test specimen block are inserted in gaging hole respectively, 20G coupons, ND steel curved beams pipe, 316L coupons
And test specimen block corresponds to a gaging hole respectively；The exit of each 1 cold side of heat exchange module is provided with pressure sensor 13.
For the present invention in concrete operations, the flue is 600MW grade high-sulfur coal unit back-end ductworks, passes through air-introduced machine
5 extract flue gas from 600MW grade high-sulfur coal units back-end ductwork, and flue gas is through each heat exchange module 1, electric dust removing system 4 and air inducing
Unit back-end ductwork is returned to after machine 5.Air-introduced machine 5 uses centrifugal fan of the negative pressure for 5kPa, can adjust rotating speed by frequency converter,
Flue gas flow scope is 5000-10000m3/h；To ensure that extraction flue gas and flue gas ingredient are as consistent as possible, hang down in flue
Straight section wall surface opens three smoking mouths, and each smoking mouth stretches into former flue certain depth, the border effect that wall surface T-shaped opening is avoided to generate
It should；In smoking mouth and mouth is returned, the first shut-off valve 16 and the second shut-off valve 17 are provided with, to realize pilot scale in unit running process
Testing stand putting into operation and stopping transport.
The quantity of heat exchange module 1 is 5 groups, and first three groups heat exchange module 1 is horizontally disposed, and rear two groups of heat exchange modules 1 are arranged vertically.
Five groups of heat exchange modules 1 cool down step by step to flue gas, along flow of flue gas direction, the cigarette of five groups of 1 heat release side entrances of heat exchange module and outlet
Temperature is respectively 180/140 DEG C, 140/120 DEG C, 120/105 DEG C, 105/95 DEG C and 95/85 DEG C.Every group of heat exchange module 1 totally 8 groups of pipes
Beam, material are respectively 20G, ND steel and 316L steel, caliber 38 × 5mm of Φ, and heat exchange module 1 is provided with into water header and water outlet collection
Case；When implementing, the length of each tube bank is chosen according to heat exchange amount.Recirculated water in 1 heat absorbing side of heat exchange module closes cold water for power plant,
The water temperature of the heat absorption of heat exchange module 1 side entrance is 75 DEG C.Recirculated water respectively enters five groups of heat exchange modules 1, five groups of heat exchange through circulating pump 3
1 entrance of module is both provided with the 5th water adjusting valve 9, can adjust the 5th according to the smoke temperature in 1 cold side exit of heat exchange module and adjust
Thrift lock 9 enters the water flow of 1 heat absorbing side inlet of heat exchange module with control；In addition, dredge expansion tank 7 play moisturizing and
Pressure stabilization function.Acoustic wave ash ejector 6 at interval of 6 it is small when soot blowing once, start in system, stop transport the stage, it is appropriate to increase the soot blowing frequency；
When system operation resistance substantially rises, also suitably increase the soot blowing frequency.
Each 1 flue two sides of heat exchange module, which pile, is provided with 10 gaging holes, wherein, 9 instrument connections place 1.5m long respectively
20G coupons, ND steel curved beams pipe and 316L coupons, and the quantity of 20G, ND steel and 316L coupons is three, and with changing
Thermal modules 1 go out saliva header and entrance water dispenser case detachably connects.Tenth instrument connection is provided with the test specimen block of not water flowing, examination
The height of part block is 3cm, to carry out the corrosion difference for having water, anhydrous condition in pipe.
The present invention can study following performance
1) corrosion rate of Different hypothermia economizer tube group material is studied.Specifically, at 120 DEG C, 105 DEG C, 90 DEG C and 85
DEG C smoke temperature and 75 DEG C of water inlet water temperature operating condition of test under, research 20G, ND steel, the corrosion condition and acid dew point of 316L pipes
The dust stratification and stopping state of down tube group.During experiment, water temperature stability is corresponded at 75 DEG C, and by 2-5 groups heat exchange module 1 in coupon
Second temperature sensor test fibre selection at 120 DEG C, 105 DEG C, 90 DEG C and 85 DEG C, the temperature of each second temperature sensor
Degree point stable operation 7 days, 15 days and 30 days, whole samples were replaced at the 8th day, the 16th day, the 31st day, the 45th day and the 60th day
Pipe completes the corrosion test under the conditions of 75 DEG C of water temperatures, variant smoke temperature, then carries out etching pit detection to coupon, calculates
Corrosion rate, and compared with test specimen block.
2) research is under the conditions of different smoke temperatures, polar filament, the corrosion rate of pole plate corrosion in electric dust removing system 4.Specifically, control
The smoke temperature of electric dust removing system 4 processed, other parameters, as test boundary condition, carry out 90 DEG C and 120 DEG C of grades using statistics
It tests under the conditions of smoke temperature, is tested one month under each temperature spot, polar filament and pole plate are replaced after the completion of experiment, and to former polar filament and pole
Plate carries out etching pit detection, calculates corrosion rate, and is compared with test specimen block.
3) study under different smoke temperature operating condition of test, study the corrosion condition of each component in air-introduced machine 5.Specifically, air-introduced machine 5
Blade and the components such as housing it is not replaceable, therefore corrosion test under the conditions of special parameter can not be carried out.During experiment, with cigarette
Temperature, load, coal quality, sulfur content and SO2The statistics such as concentration and SO3Measurement result allows air-introduced machine as test boundary condition
The impeller of air-introduced machine 5 and housing after a certain time of operation, are carried out etching pit detection, then estimated respective by 5 longtime runnings
Corrosion rate.
4) SO under the conditions of research different temperatures, grey sulphur ratio3Removing ability.Specifically, in 105 DEG C, 90 DEG C and 85 DEG C cigarettes
Under warm operating condition of test, test different grey sulphur than flue gas in SO3Content, study high-sulfur flue gas in flying dust to SO3Removing ability.
SO is measured simultaneously in the 1st group of 1 import of heat exchange module and the 3rd, 4,5 group of 1 exit of heat exchange module3Concentration and dust concentration, measurement
Shi Yaoqiu smoke temperatures and water temperature, load, coal quality requirements are stablized, after flue dust sample check weighing, are sealed as flying dust performance sample.
5) the collaboration dust collection capacity of electric dust removing system 4 under the conditions of different temperatures, grey sulphur ratio is studied.In different coals quality and flue gas
Under temperature conditionss, 4 import dust concentration of measurement electric dust removing system, outlet dust concentration and SO3Concentration.Under condition of different temperatures,
SO3Condensation rate is different, SO3The amount of condensation and absorption on flue dust is also different, flue dust specific resistance is influenced also different.
In identical SO3Under condensing condition, influence of the different dust concentrations to flue dust specific resistance is also different.It is coal-fired by different ash content coals quality
And measurement result under different temperatures, confirm optimal 1 outlet temperature of heat exchange module.
6) back-end ductwork SO is studied3Along journey Transport.Specifically, test each 1 heat release side entrance of heat exchange module and outlet
SO3Concentration, 4 inlet SO of electric dust removing system35 inlet SO of concentration and air-introduced machine3Concentration is put by adjusting each heat exchange module 1
Flue-gas temperature at hot side outlet, to study the Transport of SO3 concentration in actual back-end ductwork.
Claims (10)
1. a kind of sulphur coal unit fume afterheat utilizes cooperation-removal pilot plant test platform, which is characterized in that including flue, electric precipitation
System (4), air-introduced machine (5), water water- to-water heat exchanger (2), circulating pump (3) and several heat exchange modules (1)；
Cold side, electric dust removing system (4) and air-introduced machine (5) and flue of the upstream outlet of flue successively through each heat exchange module (1)
Downstream entrance be connected, the heat release side outlet of water water- to-water heat exchanger (2) is through circulating pump (3) suction with each heat exchange module (1) respectively
Hot side entrance is connected, and the heat absorption side outlet of each heat exchange module (1) is connected with the heat release side entrance of water water- to-water heat exchanger (2).
2. sulphur coal unit fume afterheat according to claim 1 utilizes cooperation-removal pilot plant test platform, which is characterized in that
The cold side exit of each heat exchange module (1) is both provided with acoustic wave ash ejector (6).
3. sulphur coal unit fume afterheat according to claim 1 utilizes cooperation-removal pilot plant test platform, which is characterized in that
The heat absorption side outlet of each heat exchange module (1) is divided into two-way after pipeline and pipe, wherein all the way with through the first water adjusting valve (11)
It is connected with the heat release side entrance of water water- to-water heat exchanger (2), another way is connected with the entrance of the second water adjusting valve (10), and water water changes
The heat release side outlet of hot device (2) passes through pipeline and Guan Houyu circulating pumps through the 3rd water adjusting valve (18) and the second water adjusting valve (10)
(3) entrance is connected.
4. sulphur coal unit fume afterheat according to claim 3 utilizes cooperation-removal pilot plant test platform, which is characterized in that
Hydrophobic expansion tank (7) is further included, wherein, the 4th water adjusting valve (19) of outlet of hydrophobic expansion tank (7) and entering for circulating pump (3)
Mouth is connected.
5. sulphur coal unit fume afterheat according to claim 1 utilizes cooperation-removal pilot plant test platform, which is characterized in that
Further include to detect the first temperature sensor of circulating pump (3) exit water temperature, wherein, the output terminal of the first temperature sensor
It is connected with the control terminal of the second water adjusting valve (10).
6. sulphur coal unit fume afterheat according to claim 4 utilizes cooperation-removal pilot plant test platform, which is characterized in that
The outlet of circulating pump (3) is divided into multichannel, wherein, a heat exchange module (1), each the 5th water adjusting valves (9) of Lu Junjing are corresponded to all the way
It is connected with the heat absorption side entrance of corresponding heat exchange module (1), the cold side exit of each heat exchange module (1) is both provided with to examine
Survey heat exchange module (1) cold side outlet temperature second temperature sensor, wherein, the output terminal of second temperature sensor with it is right
The control terminal of the 5th water adjusting valve (9) is answered to be connected, three-temperature sensor (12) is provided at the upstream outlet of flue.
7. sulphur coal unit fume afterheat according to claim 1 utilizes cooperation-removal pilot plant test platform, which is characterized in that
The first shut-off valve (16) is provided at the upstream outlet of flue, the second shut-off valve (17) is provided at the downstream entrance of flue.
8. sulphur coal unit fume afterheat according to claim 1 utilizes cooperation-removal pilot plant test platform, which is characterized in that
Drain valve (15) and exhaust steam valve (14) are provided on the outer wall of each heat exchange module (1).
9. sulphur coal unit fume afterheat according to claim 1 utilizes cooperation-removal pilot plant test platform, which is characterized in that
Four corrosion test modules (8) are further included, wherein, the number of heat exchange module (1) is 5 groups, wherein, four corrosion test modules
(8) second group of heat exchange module (1), the 3rd group of heat exchange module (1), the 4th group of heat exchange module (1) and the 5th group of heat exchange are corresponded to respectively
Module (1), each corrosion test module (8) include three 20G coupons, three ND steel curved beams pipes, three 316L coupons and
One test specimen block, wherein, 10 gaging holes, three 20G coupons, three ND are offered on the side wall of heat exchange module (1) cold side
Steel curved beam pipe, three 316L coupons and a test specimen block are inserted in gaging hole respectively, 20G coupons, ND steel curved beams pipe, 316L
Coupon and test specimen block correspond to a gaging hole respectively.
10. sulphur coal unit fume afterheat according to claim 1 utilizes cooperation-removal pilot plant test platform, feature exists
In the exit of each heat exchange module (1) cold side is provided with pressure sensor (13).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810138606.XA CN108061668B (en) | 2018-02-10 | 2018-02-10 | High sulfur coal unit flue gas waste heat utilization is desorption pilot scale test bench in coordination |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810138606.XA CN108061668B (en) | 2018-02-10 | 2018-02-10 | High sulfur coal unit flue gas waste heat utilization is desorption pilot scale test bench in coordination |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708134A (en) * | 2018-12-29 | 2019-05-03 | 浙江浙能乐清发电有限责任公司 | Pilot-plant is combined in a kind of recycling of flue gas moisture, UTILIZATION OF VESIDUAL HEAT IN and gas cleaning |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007245074A (en) * | 2006-03-17 | 2007-09-27 | Mitsubishi Heavy Ind Ltd | Exhausted gas-treating device |
| CN103968401A (en) * | 2014-04-18 | 2014-08-06 | 华北电力大学 | Dedusting, desulfuration and waste-heat utilization integrated system with low PM2.5 emission |
| CN204100225U (en) * | 2014-08-28 | 2015-01-14 | 国电龙源节能技术有限公司 | Coal steam-electric plant smoke bootstrap system |
| CN104676620A (en) * | 2015-02-11 | 2015-06-03 | 杭州华电能源工程有限公司 | Flue gas processing system and flue gas processing method capable of enabling low-low temperature electrostatic precipitation to be combined with water pollination type GGH (Gas Gas Heater) |
| CN204494453U (en) * | 2015-02-10 | 2015-07-22 | 西安西热锅炉环保工程有限公司 | A kind of energy-saving and emission-reduction system based on the exhaust heat stepped utilization of coal steam-electric plant smoke |
| WO2015125559A1 (en) * | 2014-02-24 | 2015-08-27 | 三菱日立パワーシステムズ株式会社 | System for discharge gas treatment and method for discharge gas treatment |
| CN106439878A (en) * | 2016-05-17 | 2017-02-22 | 山东泓奥电力科技有限公司 | Flue gas waste heat utilizing system of condensed water heating boiler for air supply |
| CN107219251A (en) * | 2017-06-28 | 2017-09-29 | 西安交通大学 | A kind of device and method for being used to test smoke gas afterheat heat exchanger dust stratification characteristic |
| CN208060169U (en) * | 2018-02-10 | 2018-11-06 | 华能国际电力股份有限公司 | High-sulfur coal unit flue gas waste heat utilization is desorption pilot scale test bench in coordination |
-
2018
- 2018-02-10 CN CN201810138606.XA patent/CN108061668B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007245074A (en) * | 2006-03-17 | 2007-09-27 | Mitsubishi Heavy Ind Ltd | Exhausted gas-treating device |
| WO2015125559A1 (en) * | 2014-02-24 | 2015-08-27 | 三菱日立パワーシステムズ株式会社 | System for discharge gas treatment and method for discharge gas treatment |
| CN103968401A (en) * | 2014-04-18 | 2014-08-06 | 华北电力大学 | Dedusting, desulfuration and waste-heat utilization integrated system with low PM2.5 emission |
| CN204100225U (en) * | 2014-08-28 | 2015-01-14 | 国电龙源节能技术有限公司 | Coal steam-electric plant smoke bootstrap system |
| CN204494453U (en) * | 2015-02-10 | 2015-07-22 | 西安西热锅炉环保工程有限公司 | A kind of energy-saving and emission-reduction system based on the exhaust heat stepped utilization of coal steam-electric plant smoke |
| CN104676620A (en) * | 2015-02-11 | 2015-06-03 | 杭州华电能源工程有限公司 | Flue gas processing system and flue gas processing method capable of enabling low-low temperature electrostatic precipitation to be combined with water pollination type GGH (Gas Gas Heater) |
| CN106439878A (en) * | 2016-05-17 | 2017-02-22 | 山东泓奥电力科技有限公司 | Flue gas waste heat utilizing system of condensed water heating boiler for air supply |
| CN107219251A (en) * | 2017-06-28 | 2017-09-29 | 西安交通大学 | A kind of device and method for being used to test smoke gas afterheat heat exchanger dust stratification characteristic |
| CN208060169U (en) * | 2018-02-10 | 2018-11-06 | 华能国际电力股份有限公司 | High-sulfur coal unit flue gas waste heat utilization is desorption pilot scale test bench in coordination |
Non-Patent Citations (1)
| Title |
|---|
| 花秀峰;李晓明;: "火力发电厂烟气余热利用的分析与应用", 节能, no. 11, pages 98 - 91 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708134A (en) * | 2018-12-29 | 2019-05-03 | 浙江浙能乐清发电有限责任公司 | Pilot-plant is combined in a kind of recycling of flue gas moisture, UTILIZATION OF VESIDUAL HEAT IN and gas cleaning |
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