CN109029049A - A kind of industrial smoke waste heat recycle method - Google Patents
A kind of industrial smoke waste heat recycle method Download PDFInfo
- Publication number
- CN109029049A CN109029049A CN201810920247.3A CN201810920247A CN109029049A CN 109029049 A CN109029049 A CN 109029049A CN 201810920247 A CN201810920247 A CN 201810920247A CN 109029049 A CN109029049 A CN 109029049A
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- Prior art keywords
- flue gas
- support sleeve
- waste heat
- sleeve
- storage organization
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- 239000002918 waste heat Substances 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000000779 smoke Substances 0.000 title claims abstract description 27
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 97
- 239000003546 flue gas Substances 0.000 claims abstract description 96
- 238000011084 recovery Methods 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 13
- 239000000428 dust Substances 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 82
- 238000012423 maintenance Methods 0.000 claims description 66
- 238000007789 sealing Methods 0.000 claims description 49
- 238000003860 storage Methods 0.000 claims description 41
- 230000008520 organization Effects 0.000 claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 239000007788 liquid Substances 0.000 claims description 25
- 239000002826 coolant Substances 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 13
- 241000826860 Trapezium Species 0.000 claims description 9
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 239000003517 fume Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 description 8
- 230000008439 repair process Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
-
- 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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to flue gas waste heat recovery technology fields, specifically a kind of industrial smoke waste heat recycle method, method includes the following steps: S1, flue gas is passed through in gravel cleaner and is dusted, flue gas passes through the waterfall that the gravel of flowing is formed, and gravel removes the dust in flue gas；The tail gas being discharged in S1 is passed through in waste-heat recovery device by S2；Tail gas in S2 is passed through in denitrification apparatus, then flue gas is passed through in purifying column by S3.Mode of this method by using gravel dedusting, the loss of heat when greatly reducing dedusting, while cooperating waste-heat recovery device, substantially increase the rate of recovery of fume afterheat.
Description
Technical field
The present invention relates to flue gas waste heat recovery technology field, specifically a kind of industrial smoke heat recovery side
Method.
Background technique
With the rapid development of society, people also increasingly pay attention to environment, are needed in the process of production and processing by de-
Nitre device handles flue gas, and denitration is that the process of denitrification is gone in combustion product gases, and the technique for comparing mainstream is divided into:
SCR and SNCR, both technique fume treatments have temperature limiting in the process, need to heat flue gas to improve cigarette
The processing quality of gas.
However traditional waste-heat recovery device is low to the utilization rate of waste heat in flue gas in use, and in recycling cigarette
When being dusted before gas waste heat, heat loss is larger, so that heat recovery efficiency is lower.
Summary of the invention
For the problems of the prior art, the present invention provides a kind of industrial smoke waste heat recycle method, this method
By using the mode of gravel dedusting, the loss of heat when greatly reducing dedusting, while cooperating waste-heat recovery device, it mentions significantly
The high rate of recovery of fume afterheat.
The technical solution adopted by the present invention to solve the technical problems is: a kind of industrial smoke waste heat recycle method,
Method includes the following steps:
Flue gas is passed through in gravel cleaner and is dusted by S1, and flue gas passes through the waterfall that the gravel of flowing is formed, gravel
By the dust removal in flue gas；
The tail gas being discharged in S1 is passed through in waste-heat recovery device by S2；
Tail gas in S2 is passed through in denitrification apparatus, then flue gas is passed through in purifying column by S3；
The waste-heat recovery device used in this method include two water valves, flue gas emission structure, storage organization, limit sleeve,
Sealing structure and waste heat utilization structure；The sealing structure being sealed for the storage organization to cylindrical structure is set
It is detachably connected in the midline of the storage organization, and between the storage organization and the sealing structure；The storage knot
The inside of structure is set to the waste heat utilization structure for storing coolant liquid；Two water valves for controlling water velocity are oblique
Diagonally it is symmetrically fixed on the inside that the storage organization extends to the waste heat utilization structure；For extending flue gas and cooling
The flue gas emission structure of liquid time of contact is fixed on the inside that the storage organization extends to the waste heat utilization structure；Institute
The exterior circumference direction of storage organization is stated equipped with the limit sleeve for the storage organization to be fixed, the limit
It is detachably connected between set and the storage organization.
Specifically, the storage organization includes maintenance set and support sleeve, the sealing structure is fixed on the maintenance set and leans on
The side of the nearly support sleeve, contradicts between the sealing structure and the support sleeve, and maintenance set and the support sleeve
Surround cylindrical structure；It is detachably connected between the maintenance set and the support sleeve, while being carried out by the sealing structure
Sealing, the maintenance set easy to disassemble, is overhauled and is safeguarded to the waste heat utilization structure.
Specifically, maintenance set is fixed with the support sleeve by the limit sleeve, the maintenance cover with it is described
The exterior circumference direction of support sleeve is equipped with the limit sleeve of the cross section in close arc core direction for triangular structure, the limit
The both ends of position set are bolted；When the support sleeve and maintenance set contradict, the limit sleeve is consolidated by bolt
It is fixed, so that the limit sleeve is contradicted the maintenance set and the support sleeve, the support sleeve and maintenance set is fixed, institute
It is that triangular structure is convenient for maintenance set and the support sleeve that limit sleeve, which is stated, close to the cross section of one end of the maintenance set
It is fixed, effectively reduces the gravitational pressure of the maintenance set, increase between the support sleeve and maintenance set
Contact area keeps fixation more stable, substantially increases the repair and maintenance quality of the support sleeve and the maintenance set.
Specifically, the sealing structure includes limitting casing, sealing ring and limiting slot, the support sleeve is covered close to the maintenance
One end be equipped with rectangle frame structure cross section be trapezium structure the limiting slot, the close support sleeve of maintenance set
One side be equipped be with the cross section of the one-to-one frame structure of the limiting slot trapezium structure the limitting casing, for close
The sealing ring of envelope engages with the limitting casing, and the sealing ring engages with the limiting slot；In installation or inspection and repair shop
When stating flue gas emission structure, by the engaging corresponding with the support sleeve of maintenance set, make the limitting casing and the support sleeve card
It closes, contradicts the limiting slot of the inside of the sealing ring and the support sleeve, realize that the support sleeve and the maintenance cover
Sealing, the limitting casing and the limiting slot are trapezium structure, convenient for being oriented to the limitting casing, avoid and are pacifying
The maintenance set misplaces with the sealing ring during dress, substantially increases the connection between the maintenance set and the support sleeve
Leakproofness, improve installation effectiveness.
Specifically, the waste heat utilization structure includes multiple cooling chambers and spray orifice, the maintenance covers and the support sleeve
Inside division has the cooling chamber for being used to store coolant liquid of multiple cylindrical cavity structures, and the inside of the cooling chamber is set
There are the multiple spray orifices of the annular entire column type conducting with two adjacent cooling chambers for discharging the truncated cone-shaped of coolant liquid,
Skew symmetry is fixed on the support sleeve and is connected respectively with the cooling chamber of two ends two water valves respectively；By the branch
One water valve of support set bottom end is connected to the water pipe of thermal water utilization device, and the water valve on top is connected to cooling
Water water inlet pipe, then water flow enters the inside of the cooling chamber on top by the water valve on top, to the flue gas
The flue gas cool-down of the inside of discharge structure, then the spray orifice Jing Guo annular distribution to the flue gas of the flue gas emission structure into
Row cooling is discharged the coolant liquid for reaching maximum temperature from the water valve of bottom end, keeps the heat exchange efficiency of coolant liquid more preferable, simultaneously
Cooled down by the way of spray to flue gas, increases heat exchange ratio, substantially increase fume afterheat utilization efficiency and its quality.
Specifically, the flue gas emission structure include connecting tube, fixing sleeve, two air valves, exhaust pipe, multiple cooling tubes,
Fixed block and spacing collar, the fixing sleeve of cylindrical structure are fixed on the support sleeve, and the same end is equipped on the fixing sleeve
Two are used to control the air valve of flue gas emission speed, and flue gas is dredged for exchanging heat equipped with multiple in the inside of the cooling chamber
The cooling tube of spiral shape distribution, an air valve are connected to a cooling tube close to the fixing sleeve, connection
It is equipped with the fixed block of regular hexagon in the end of the cooling tube of the air valve, away from the lowermost end of the fixing sleeve
The end of the cooling tube is connected to the exhaust pipe by the fixed block, and the other end of the exhaust pipe is connected to separately
An outer air valve, the end of the cooling tube are equipped with the fixed block of regular hexagon, the connection of U-shape structure
The both ends of pipe are through between the support sleeve and the fixed block of the same side of the inside of two adjacent cooling chambers
It is threadedly coupled, is contradicted between the cooling tube and the connecting tube, the fixed block and the support sleeve contradict, the connecting tube
The spacing collar for sealing of truncated cone-shaped, the spacing collar and the support sleeve are socketed with close to one end of the support sleeve
It contradicts；An air valve for being connected to the exhaust pipe is connected to the exhaust of SNCR-SCR joint industrial smoke denitrification apparatus
Another described air valve is connected to smoke discharge tube road by pipe, and flue gas enters from the air valve for being connected to the exhaust pipe
Then the exhaust pipe enters the inside of the cooling tube of the cooling chamber, described in adjacent two by the exhaust pipe
Cooling tube is passed to flue gas to the air valve for being connected to the cooling tube, the cooling tube Spiral distribution by the connecting tube
Flue gas emission speed is slowed down, while extending flue gas cooling time, by described between the cooling tube and the connecting tube
Fixed block is threadedly coupled, and convenient for cooling tube described in Quick overhaul dismounting and change, makes connecting tube described in installing and dismounting and the cooling
To manage more convenient, two air valves are set to the same end of the fixing sleeve, and keep tracheae easier for installation, the cooling tube
The temperature of internal flue gas gradually rises from the bottom end close to the fixing sleeve to the support sleeve, makes the cooling effect of flue gas more
It is good, keep the heat transfer effect of coolant liquid more preferable.
Beneficial effects of the present invention:
(1) a kind of industrial smoke waste heat recycle method of the present invention, the use of flue gas emission structure delay
Flue gas emission speed, increases the residence time of flue gas, while the use of waste heat utilization structure and flue gas being cooperated to form convection current, remaining
Thermal energy in flue gas is converted to the thermal energy in water, to mention significantly quickly to flue gas cool-down by the coolant liquid in heat utilization structure
High fume afterheat utilization efficiency and its quality.
(2) a kind of industrial smoke waste heat recycle method of the present invention, sealing structure are set to the interior of storage organization
Quick overhaul flue gas emission structure is convenient for convenient for overhauling to storage organization in portion, to substantially increase the maintenance dimension of equipment
Protect efficiency and its quality.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram for the waste-heat recovery device that this method uses；
Fig. 2 is the attachment structure schematic diagram of flue gas emission structure and storage organization shown in FIG. 1；
Fig. 3 is the portion A shown in Fig. 2 enlarged diagram；
Fig. 4 is the structural schematic diagram of flue gas emission structure shown in Fig. 3；
Fig. 5 is the portion B shown in Fig. 4 enlarged diagram.
In figure: 1, water valve, 2, flue gas emission structure, 21, connecting tube, 22, fixing sleeve, 23, air valve, 24, exhaust pipe, 25,
Cooling tube, 26, fixed block, 27, spacing collar, 3, storage organization, 31, maintenance set, 32, support sleeve, 4, limit sleeve, 5, sealing knot
Structure, 51, limitting casing, 52, sealing ring, 53, limiting slot, 6, waste heat utilization structure, 61, cooling chamber, 62, spray orifice.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figure 1, Figure 2 and Figure 3, a kind of industrial smoke waste heat recycle method of the present invention, this method packet
Include following steps:
Flue gas is passed through in gravel cleaner and is dusted by S1, and flue gas passes through the waterfall that the gravel of flowing is formed, gravel
By the dust removal in flue gas；
The tail gas being discharged in S1 is passed through in waste-heat recovery device by S2；
Tail gas in S2 is passed through in denitrification apparatus, then flue gas is passed through in purifying column by S3；
The waste-heat recovery device used in this method includes two water valves 1, flue gas emission structure 2, storage organization 3, limit
Set 4, sealing structure 5 and waste heat utilization structure 6；It is sealed for the storage organization 3 to cylindrical structure described close
Seal structure 5 is set to the midline of the storage organization 3, and detachably connects between the storage organization 3 and the sealing structure 5
It connects；The inside of the storage organization 3 is set to the waste heat utilization structure 6 for storing coolant liquid；Two for controlling water flow
1 diagonally opposing corner of the water valve of speed is symmetrically fixed on the storage organization 3 and extends to the interior of the waste heat utilization structure 6
Portion；The flue gas emission structure 2 for extending flue gas and coolant liquid time of contact is fixed on the storage organization 3 and extends to institute
State the inside of waste heat utilization structure 6；The exterior circumference direction of the storage organization 3 be equipped with for the storage organization 3 into
The fixed limit sleeve 4 of row, is detachably connected between the limit sleeve 4 and the storage organization 3.
Specifically, as shown in Figure 1, Figure 2 and Figure 3, a kind of industrial smoke waste heat recycle method of the present invention, institute
Stating storage organization 3 includes maintenance set 31 and support sleeve 32, and the sealing structure 5 is fixed on the maintenance set 31 close to the support
The side of set 32, contradicts between the sealing structure 5 and the support sleeve 32, and maintenance set 31 is enclosed with the support sleeve 32
At cylindrical structure；Is detachably connected between maintenance set 31 and the support sleeve 32, at the same by the sealing structure 5 into
Row sealing, the maintenance set 31 easy to disassemble, is overhauled and is safeguarded to the waste heat utilization structure 6.
Specifically, as depicted in figs. 1 and 2, a kind of industrial smoke waste heat recycle method of the present invention, the inspection
It repairs set 31 and is fixed with the support sleeve 32 by the limit sleeve 4, the outside of the maintenance set 31 and the support sleeve 32
Circumferencial direction is equipped with the limit sleeve 4 of the cross section in close arc core direction for triangular structure, the both ends of the limit sleeve 4
It is bolted；When the support sleeve 32 is contradicted with maintenance set 31, the limit sleeve 4 is bolted, is made
The limit sleeve 4 contradicts the maintenance set 31 and the support sleeve 32, consolidates to the support sleeve 32 and maintenance set 31
Fixed, the limit sleeve 4 is that triangular structure is convenient for covering 31 Hes to the maintenance close to the cross section of one end of the maintenance set 31
The support sleeve 32 is fixed, effectively reduce it is described maintenance set 31 gravitational pressure, increase with the support sleeve 32 and
Contact area between the maintenance set 31, keeps fixation more stable, substantially increases the support sleeve 32 and maintenance set
31 repair and maintenance quality.
Specifically, as shown in Figure 1, Figure 2 and Figure 3, a kind of industrial smoke waste heat recycle method of the present invention, institute
Stating sealing structure 5 includes limitting casing 51, sealing ring 52 and limiting slot 53, and the support sleeve 32 is close to one end of the maintenance set 31
Cross section equipped with rectangle frame structure is the limiting slot 53 of trapezium structure, and the maintenance set 31 is close to the support sleeve 32
One side be equipped be with the cross section of the one-to-one frame structure of the limiting slot 53 trapezium structure the limitting casing 51, use
Engage in the sealing ring 52 of sealing with the limitting casing 51, and the sealing ring 52 engages with the limiting slot 53；Pacifying
When filling or overhaul the flue gas emission structure 2, by the engaging corresponding with the support sleeve 32 of maintenance set 31, make the limit
Frame 51 engages with the support sleeve 32, contradicts the sealing ring 52 and the limiting slot 53 of the inside of the support sleeve 32,
Realize the sealing of the support sleeve 32 with the maintenance set 31, the limitting casing 51 and the limiting slot 53 are trapezium structure,
Convenient for being oriented to the limitting casing 51, avoids the maintenance set 31 during the installation process and misplaces with the sealing ring 52,
The leakproofness connecting between the maintenance set 31 and the support sleeve 32 is substantially increased, installation effectiveness is improved.
Specifically, as shown in Figure 1, Figure 2 and Figure 3, a kind of industrial smoke waste heat recycle method of the present invention, institute
Stating waste heat utilization structure 6 includes multiple cooling chambers 61 and spray orifice 62, the inside division of the maintenance set 31 and the support sleeve 32
There is the cooling chamber 61 for being used to store coolant liquid of multiple cylindrical cavity structures, and the inside of the cooling chamber 61 is equipped with more
A spray orifice 62 of the annular entire column type conducting with two adjacent cooling chambers 61 for discharging the truncated cone-shaped of coolant liquid,
Skew symmetry is fixed on the support sleeve 32 and is connected respectively with the cooling chamber 61 of two ends two water valves 1 respectively；It will
One water valve 1 of 32 bottom end of support sleeve is connected to the water pipe of thermal water utilization device, by one of the top water valve 1
It is connected to cooling water inlet pipe, then water flow enters in the cooling chamber 61 on top by the water valve 1 on top
Portion, to the flue gas cool-down of the inside of the flue gas emission structure 2, then the spray orifice 62 Jing Guo annular distribution is to the flue gas
The flue gas of discharge structure 2 is cooled down, and the coolant liquid for reaching maximum temperature is discharged from the water valve 1 of bottom end, makes coolant liquid
Heat exchange efficiency it is more preferable, while using spray by the way of cool down to flue gas, increase heat exchange ratio, substantially increase more than flue gas
Efficiency of heating- utilization and its quality.
Specifically, as shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of industrial smoke heat recovery side of the present invention
Method, the flue gas emission structure 2 include connecting tube 21,22, two air valves 23 of fixing sleeve, exhaust pipe 24, multiple cooling tubes 25, consolidate
Determine block 26 and spacing collar 27, the fixing sleeve 22 of cylindrical structure is fixed on the support sleeve 32, same on the fixing sleeve 22
One end is set there are two the air valve 23 for controlling flue gas emission speed, and the inside of the cooling chamber 61 is equipped with multiple for changing
The cooling tube 25 of the spiral shape distribution of complement heat conduction flue gas, an air valve 23 are connected to one close to the fixing sleeve 22
A cooling tube 25, the end for being connected to the cooling tube 25 of the air valve 23 are equipped with the fixed block of regular hexagon
26, the end away from the cooling tube 25 of the lowermost end of the fixing sleeve 22 is connected to the exhaust by the fixed block 26
Pipe 24, and the other end of the exhaust pipe 24 is connected to another described air valve 23, the end of the cooling tube 25 is all provided with
There is a fixed block 26 of regular hexagon, the both ends of the connecting tube 21 of U-shape structure are through the support sleeve 32 and phase
It is threadedly coupled between the fixed block 26 of the same side of the inside of two adjacent cooling chambers 61, the cooling tube 25 and institute
It states and is contradicted between connecting tube 21, the fixed block 26 is contradicted with the support sleeve 32, and the connecting tube 21 is close to the support sleeve
32 one end is socketed with the spacing collar 27 for sealing of truncated cone-shaped, and the spacing collar 27 is contradicted with the support sleeve 32；
An air valve 23 for being connected to the exhaust pipe 24 is connected to the exhaust of SNCR-SCR joint industrial smoke denitrification apparatus
Another described air valve 23 is connected to smoke discharge tube road by pipe, and flue gas is from the air valve for being connected to the exhaust pipe 24
23 enter the exhaust pipe 24, and the inside of the cooling tube 25 of the cooling chamber 61 is then entered by the exhaust pipe 24,
The cooling tube 25 of adjacent two is passed to flue gas to the gas for being connected to the cooling tube 25 by the connecting tube 21
Valve 23,25 Spiral distribution of cooling tube slows down flue gas emission speed, while extending flue gas cooling time, the cooling tube
It is threadedly coupled between 25 and the connecting tube 21 by the fixed block 26, convenient for cooling tube described in Quick overhaul dismounting and change
25, keep connecting tube 21 and the cooling tube 25 described in installing and dismounting more convenient, two air valves 23 are set to the fixing sleeve
22 the same end keeps tracheae easier for installation, and the temperature of the flue gas of the inside of the cooling tube 25 is from close to the fixing sleeve
22 gradually rise to the bottom end of the support sleeve 32, keep the cooling effect of flue gas more preferable, keep the heat transfer effect of coolant liquid more preferable.
Two water valves 1 are separately connected to the water inlet pipe and thermal water utilization pipe of coolant liquid first, make the interior of waste heat utilization structure 6
Portion is full of coolant liquid, and flue gas emission structure 2 is connected to the smoke exhaust pipe of denitration device, extends flue gas by flue gas emission structure 2
With the time of contact of waste heat utilization structure 6, makes to discharge after flue gas is cooling, when apparatus for examination and repair, dismantle limit sleeve 4, disassembly is deposited
Storage structure 3 overhauls storage organization 3 and flue gas emission structure 2；Specifically have:
(1) air valve 23 for being connected to exhaust pipe 24 is connected to SNCR-SCR joint industrial smoke denitrification apparatus first
Exhaust pipe, another air valve 23 is connected to smoke discharge tube road, flue gas enters from the air valve 23 for being connected to exhaust pipe 24
One water valve 1 of 32 bottom end of support sleeve is connected to the water pipe of thermal water utilization device by exhaust pipe 24, by a water valve 1 on top
It is connected to cooling water inlet pipe；
(2) then enter the inside of the cooling tube 25 of cooling chamber 61 by exhaust pipe 24, two adjacent cooling tubes 25 are logical
It crosses connecting tube 21 to pass to flue gas to the air valve 23 for being connected to cooling tube 25,25 Spiral distribution of cooling tube slows down flue gas emission speed
Degree, while flue gas cooling time is extended, then water flow enters in the cooling chamber 61 on top by a water valve 1 on top
Portion, to the flue gas cool-down of the inside of flue gas emission structure 2, then the spray orifice 62 Jing Guo annular distribution is to flue gas emission structure 2
Flue gas is cooled down, and the coolant liquid for reaching maximum temperature is discharged from the water valve 1 of bottom end, keeps the heat exchange efficiency of coolant liquid more preferable,
Cooled down by the way of spray to flue gas simultaneously, increases heat exchange ratio, pass through fixation between cooling tube 25 and connecting tube 21
Block 26 is threadedly coupled, and is convenient for Quick overhaul dismounting and change cooling tube 25, keeps installing and dismounting connecting tube 21 and cooling tube 25 more square
Just, two air valves 23 are set to the same end of fixing sleeve 22, keep tracheae easier for installation, the temperature of the flue gas of the inside of cooling tube 25
It spends from the bottom end close to fixing sleeve 22 to support sleeve 32 and gradually rises, keep the cooling effect of flue gas more preferable, make the heat exchange of coolant liquid
Effect is more preferable；
(3) when installing or overhauling flue gas emission structure 2, the engaging corresponding with support sleeve 32 of maintenance set 31 makes to limit
Frame 51 engages with support sleeve 32, contradicts the limiting slot 53 of the inside of sealing ring 52 and support sleeve 32, realizes support sleeve 32 and inspection
The sealing of set 31 is repaired, limitting casing 51 and limiting slot 53 are trapezium structure, convenient for being oriented to limitting casing 51, avoid and are pacifying
Maintenance set 31 misplaces with sealing ring 52 during dress, substantially increases the sealing connecting between maintenance set 31 and support sleeve 32
Property, improve installation effectiveness；
(4) when support sleeve 32 and maintenance set 31 contradict, limit sleeve 4 is bolted, limit sleeve 4 is made to contradict maintenance
Support sleeve 32 and maintenance set 31 is fixed in set 31 and support sleeve 32, cross section of the limit sleeve 4 close to one end of maintenance set 31
For triangular structure it is convenient for that maintenance set 31 and support sleeve 32 is fixed, the effective gravitational pressure for reducing maintenance set 31 increases
The big contact area between support sleeve 32 and maintenance set 31, keeps fixation more stable, substantially increases support sleeve 32 and inspection
Repair the repair and maintenance quality of set 31.
The use of flue gas emission structure 2 of the invention has delayed flue gas emission speed, increases the residence time of flue gas, together
The use of Shi Peihe waste heat utilization structure 6 and flue gas form convection current, and the coolant liquid in waste heat utilization structure 6 quickly drops flue gas
Thermal energy in flue gas is converted to the thermal energy in water by temperature, to substantially increase fume afterheat utilization efficiency and its quality；Sealing
Structure 5 is set to the inside of storage organization 3, convenient for overhauling to storage organization 3, is convenient for Quick overhaul flue gas emission structure 2, from
And substantially increase the repair and maintenance efficiency and its quality of equipment.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (6)
1. a kind of industrial smoke waste heat recycle method, which is characterized in that method includes the following steps:
Flue gas is passed through in gravel cleaner and is dusted by S1, and flue gas passes through the waterfall that the gravel of flowing is formed, and gravel is by cigarette
Dust removal in gas；
The tail gas being discharged in S1 is passed through in waste-heat recovery device by S2；
Tail gas in S2 is passed through in denitrification apparatus, then flue gas is passed through in purifying column by S3；
The waste-heat recovery device used in this method includes two water valves (1), flue gas emission structure (2), storage organization (3), limit
Position set (4), sealing structure (5) and waste heat utilization structure (6)；It is carried out for the storage organization (3) to cylindrical structure close
The sealing structure (5) of envelope is set to the midline of the storage organization (3), and the storage organization (3) and the sealing are tied
Structure is detachably connected between (5)；The inside of the storage organization (3) is set to the waste heat utilization structure for storing coolant liquid
(6)；Two are symmetrically fixed on storage organization (3) extension for controlling the water valve (1) diagonally opposing corner of water velocity
To the inside of the waste heat utilization structure (6)；For extending the flue gas emission structure (2) of flue gas Yu coolant liquid time of contact
It is fixed on the inside that the storage organization (3) extends to the waste heat utilization structure (6)；The outer circle of the storage organization (3)
Circumferential direction is equipped with the limit sleeve (4) for the storage organization (3) to be fixed, the limit sleeve (4) with it is described
Storage organization is detachably connected between (3).
2. a kind of industrial smoke waste heat recycle method according to claim 1, it is characterised in that: the storage organization
It (3) include maintenance set (31) and support sleeve (32), the sealing structure (5) is fixed on the maintenance set (31) close to the support
The side for covering (32), contradicts between the sealing structure (5) and the support sleeve (32), and maintenance set (31) and the branch
Support set (32) surrounds cylindrical structure.
3. a kind of industrial smoke waste heat recycle method according to claim 2, it is characterised in that: the maintenance set
(31) it is fixed with the support sleeve (32) by the limit sleeve (4), the maintenance set (31) and the support sleeve (32)
Exterior circumference direction be equipped with close to arc core direction cross section be triangular structure the limit sleeve (4), the limit
The both ends of set (4) are bolted.
4. a kind of industrial smoke waste heat recycle method according to claim 3, it is characterised in that: the sealing structure
It (5) include limitting casing (51), sealing ring (52) and limiting slot (53), the support sleeve (32) overhauls the one of set (31) close to described
The cross section that end is equipped with rectangle frame structure is the limiting slot (53) of trapezium structure, and the maintenance set (31) is close to described branch
It is the described of trapezium structure that the one side of support set (32), which is equipped with the cross section of the one-to-one frame structure of the limiting slot (53),
Limitting casing (51), the sealing ring (52) for sealing engages with the limitting casing (51), and the sealing ring (52) and institute
State limiting slot (53) engaging.
5. a kind of industrial smoke waste heat recycle method according to claim 4, it is characterised in that: the UTILIZATION OF VESIDUAL HEAT IN
Structure (6) includes multiple cooling chambers (61) and spray orifice (62), the inside division of the maintenance set (31) and the support sleeve (32)
There is the cooling chamber (61) for being used to store coolant liquid of multiple cylindrical cavity structures, and the inside of the cooling chamber (61) is set
There are multiple annular entire column type conductings for discharging the truncated cone-shaped of coolant liquid described with two adjacent cooling chambers (61)
Spray orifice (62), to be fixed on the support sleeve (32) described cold with two ends respectively for skew symmetry respectively for two water valves (1)
But room (61) are connected.
6. a kind of industrial smoke waste heat recycle method according to claim 5, it is characterised in that: the flue gas emission
Structure (2) includes connecting tube (21), fixing sleeve (22), two air valves (23), exhaust pipe (24), multiple cooling tubes (25), fixes
The fixing sleeve (22) of block (26) and spacing collar (27), cylindrical structure is fixed on the support sleeve (32), the fixing sleeve
(22) the same end is set there are two the air valve (23) for controlling flue gas emission speed on, and the inside of the cooling chamber (61) is set
Have it is multiple for exchange heat dredge flue gas spiral shape be distributed the cooling tube (25), an air valve (23) is connected to close
The cooling tube (25) of one of the fixing sleeve (22), the end for being connected to the cooling tube (25) of the air valve (23) are set
There is the fixed block (26) of regular hexagon, the end away from the cooling tube (25) of the lowermost end of the fixing sleeve (22) is logical
It crosses the fixed block (26) to be connected to the exhaust pipe (24), and the other end of the exhaust pipe (24) is connected to another
The end of the air valve (23), the cooling tube (25) is equipped with the fixed block (26) of regular hexagon, the institute of U-shape structure
The both ends for stating connecting tube (21) are identical as the inside of adjacent two cooling chambers (61) through the support sleeve (32)
It is threadedly coupled between the fixed block (26) at end, is contradicted between the cooling tube (25) and the connecting tube (21), it is described solid
Determine block (26) and the support sleeve (32) to contradict, the connecting tube (21) is socketed with rotary table close to the one end of the support sleeve (32)
The spacing collar (27) for sealing of shape, the spacing collar (27) and the support sleeve (32) contradict.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810920247.3A CN109029049B (en) | 2018-08-14 | 2018-08-14 | Industrial flue gas waste heat recycling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810920247.3A CN109029049B (en) | 2018-08-14 | 2018-08-14 | Industrial flue gas waste heat recycling method |
Publications (2)
| Publication Number | Publication Date |
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| CN109029049A true CN109029049A (en) | 2018-12-18 |
| CN109029049B CN109029049B (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810920247.3A Expired - Fee Related CN109029049B (en) | 2018-08-14 | 2018-08-14 | Industrial flue gas waste heat recycling method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933826A (en) * | 2021-01-28 | 2021-06-11 | 云南中正化学工业有限公司 | Tail gas recycling method for compound fertilizer production |
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| CN109029049B (en) | 2020-08-18 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200722 Address after: No.3, 10 / F, building C1, Ganzhou international enterprise center, north side of Xiangjiang Avenue and west side of Huajian North Road, Ganzhou economic and Technological Development Zone, Ganzhou City, Jiangxi Province Applicant after: Ganzhou lvzhilan air treatment Co.,Ltd. Address before: 116092 Dahua Refco Group Ltd, 10 Jinxi Road, Ganjingzi District, Dalian, Liaoning Applicant before: Li Jie |
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