CN109489461A - Dust-collecting and heat exchanging integrated apparatus and method based on gradient honeycomb body and three-dimensional ribbed pipe - Google Patents
Dust-collecting and heat exchanging integrated apparatus and method based on gradient honeycomb body and three-dimensional ribbed pipe Download PDFInfo
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- CN109489461A CN109489461A CN201811484513.9A CN201811484513A CN109489461A CN 109489461 A CN109489461 A CN 109489461A CN 201811484513 A CN201811484513 A CN 201811484513A CN 109489461 A CN109489461 A CN 109489461A
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- 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
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2418—Honeycomb filters
- B01D46/2451—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure
- B01D46/2455—Honeycomb filters characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure of the whole honeycomb or segments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- 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
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D2020/0004—Particular heat storage apparatus
- F28D2020/0017—Particular heat storage apparatus the heat storage material being enclosed in porous or cellular or fibrous structures
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Chimneys And Flues (AREA)
Abstract
本发明提供一种基于梯度蜂巢体和三维肋管的除尘换热一体化装置及方法，属于工业节能环保技术领域。该装置从外到内依次由复合梯度孔金属蜂巢体、金属支撑体以及三维内外肋管。复合梯度孔金属蜂巢体由耐热金属丝通过编制加工而成，孔隙率呈横纵向梯度变化，通过层叠堆置而成的蜂巢式过滤蓄换热体；三维内外肋管是在换热腔室或换热管表面加工出三维离散肋结构的三维肋平板腔室或三维内外肋管。该装置突破性地实现了对600℃‑1200℃的高温高含尘烟气连续除尘与蓄换热一体化处理，具有高效净化、稳定蓄换热、连续工作、寿命长等优点，余热回收效率可达70％以上，除尘效率可达99％以上。
The invention provides an integrated device and method for dust removal and heat exchange based on a gradient honeycomb body and a three-dimensional ribbed tube, belonging to the technical field of industrial energy conservation and environmental protection. The device consists of a composite gradient hole metal honeycomb body, a metal support body and a three-dimensional inner and outer rib tube in sequence from the outside to the inside. The composite gradient hole metal honeycomb body is made of heat-resistant metal wire by weaving, and the porosity changes in a horizontal and vertical gradient. Or a three-dimensional rib plate chamber with a three-dimensional discrete rib structure or a three-dimensional inner and outer rib tube is processed on the surface of the heat exchange tube. The device has achieved a breakthrough in the integrated treatment of continuous dust removal and heat storage and heat exchange for high-temperature and high-dust flue gas at 600℃-1200℃. It has the advantages of high efficiency purification, stable heat storage and exchange, continuous operation, long life, etc. It can reach more than 70%, and the dust removal efficiency can reach more than 99%.
Description
Technical field
The present invention relates to industrial energy saving environmental technology fields, particularly relate to a kind of based on gradient honeycomb body and three-dimensional ribbed pipe
Dust-collecting and heat exchanging integrated apparatus and method.
Background technique
High temperature (> 1000 DEG C) Gao Hanchen (> 2g/Nm is often generated in metallurgy, petrochemical industry, building materials, electric power and other industry3) work
Industry flue gas.Waste heat rich in high-temperature flue gas, but there is also the fly ash granule of high concentration, these particles are in atmosphere
One of main source of PM2.5.If the high dust-laden industrial smoke of high temperature is directly discharged in atmosphere, energy wave is not only resulted in
Take, also results in problem of environmental pollution.Therefore, the high ash-laden gas of high temperature is dusted and heat recovery, energy conservation is subtracted
Row is of great significance.
Currently, the high dust-laden industrial smoke heat recovery efficiency of high temperature is undesirable, heat exchange equipment is in the high dust-laden item of high temperature
There are heat exchange efficiencies under part it is low, volume is big, easy dust stratification the disadvantages of, cleaner can not efficiently remove under the conditions of high temperature high dust-laden
Dirt.This is because being limited by dedusting technology, there are the flue gas operating conditions of technological deficiency and time variation to make for waste-heat recovery device
At the heat recovery that cannot achieve continuous high-efficient.In current dedusting technology, electrostatic precipitator and grain bed dedusting
Device investment and energy consumption are high, take up a large area；Ceramic film dust-remover is because of pressure drop height, and energy consumption is high for generation, and thermal shock resistance is very low, Yi Fa
Raw fracture, causes service life shorter.Therefore, industrial common practice is first carried out at cooling to the high ash-laden gas of high temperature
Reason, major way are to be cooled to 200-300 DEG C by spraying cooling or addition cold air, then purified with sack cleaner,
This mode not only causes energy waste, and waste-heat recovery device can also be directly exposed in high ash-laden gas environment, causes
There is dust stratification and wear phenomenon in heat exchange pipe surface, seriously affects the waste heat recovery efficiency and service life of heat exchanger.In addition to this,
Traditional waste-heat recovery device heat exchange area is small, exchanges heat insufficient, causes exhaust gas temperature high, wastes a large amount of waste heat
Resource.In waste heat removal process, industrial equipment tends not to keep stable operating condition, this is resulted in flue gas system
The important parameters such as air quantity, temperature intermittently change, when the air quantity of flue gas and temperature decrease, the thermic load of waste-heat recovery device
It reduces, to seriously affect the waste heat recovery efficiency of heat exchanger.
Therefore, if processing can be directly dusted in high-temperature flue gas environment, while using efficient heat exchange element and coupling
Close regenerative structure carry out waste heat recycling, exploitation design it is a kind of using gradient honeycomb body realize the heat-exchange integrated device of flue gas ash removal
And method, can solve simultaneously the high ash-laden gas waste heat recovery efficiency of high temperature is undesirable, cleaner can not be in the high dust-laden of high temperature
Under the conditions of high-effective dust-removing technical bottleneck problem, and obtain significant waste heat recovering effect.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of dust-collecting and heat exchanging one based on gradient honeycomb body and three-dimensional ribbed pipe
Body device and method.
The device includes complex gradient mesoporous metal honeycomb body, ribbed pipe inside and outside metal support and three-dimensional, wherein complex gradient
Mesoporous metal honeycomb body includes that porosity is ε1Honeycomb metal filtering body, porosity ε2Honeycomb metal store heat exchanging body, porosity
For ε3Honeycomb metal to store heat exchanging body and porosity be ε4Honeycomb metal store heat exchanging body, three-dimensional inside and outside ribbed pipe include three-D external-rib
With three-dimensional internal-rib, porosity ε1Honeycomb metal filtering body be located at the outermost layer of complex gradient mesoporous metal honeycomb body, porosity
For ε1Honeycomb metal filtering body inside package porosity be ε2Honeycomb metal store heat exchanging body, porosity ε3Honeycomb metal
It stores heat exchanging body and porosity is ε4Honeycomb metal store heat exchanging body, metal support be sandwiched in porosity be ε1Honeycomb metal filtering
Body, porosity ε2Honeycomb metal store heat exchanging body, porosity ε3Honeycomb metal to store heat exchanging body and porosity be ε4Metal
Honeycomb heat exchanging body intersection, three-dimensional inside and outside ribbed pipe be located at side in complex gradient mesoporous metal honeycomb body.
Complex gradient mesoporous metal honeycomb body is banked up by four layers of honeycomb metal body with different porosities by stacking,
Complex gradient mesoporous metal honeycomb body is that porosity is ε respectively from outside to inside1Honeycomb metal filtering body, combination honeycomb metal storage change
Hot body one, combination honeycomb metal store heat exchanging body two and porosity is ε4Honeycomb metal store heat exchanging body, wherein combination honeycomb metal
It is ε that storage heat exchanging body one, which is porosity,2Honeycomb metal store heat exchanging body, porosity ε3Honeycomb metal store heat exchanging body and porosity
For ε4Honeycomb metal store heat exchanging body head and the tail and successively connect, it be porosity is ε that combination honeycomb metal, which stores heat exchanging body two,3Metal bee
Nest stores heat exchanging body and porosity is ε4Honeycomb metal store heat exchanging body it is end to end；Complex gradient mesoporous metal honeycomb body porosity is closed
System is ε1<ε2<ε3<ε4。
Complex gradient mesoporous metal honeycomb body primarily serves purifying smoke, accumulation of heat and the effect for guiding flue gas adaptively to flow.
Wherein, accumulation of heat effect can stablize the waste heat recovery efficiency under time variation flue gas working condition；Adaptive flowing can guide cigarette
The adherent movement of gas enhances heat exchange property.Complex gradient hole honeycomb body can select to close according to the application environment and flue-gas temperature of device
Suitable shape and metal material.
Porosity is ε1Honeycomb metal filtering body by diameter be 19-100 μm of heat-resistant metallic fiber solid twill weave
It forms, surface forms three-dimensional structure filter opening, and aperture is 3-25 μm, porosity 0.35-0.38.
Porosity is ε2Honeycomb metal store heat exchanging body, porosity ε3Honeycomb metal to store heat exchanging body and porosity be ε4
Honeycomb metal store heat exchanging body as made of heat-resistance stainless steel wire crocheting with elastic construction high porosity, Large ratio surface
Product structure；Wherein, porosity ε2Honeycomb metal store heat exchanging body wire diameter be 0.1-0.6mm, honeycomb metal aperture is
0.1-0.8mm, porosity 0.50-0.65, specific surface area are 1000~1500m2/m3；Porosity is ε3Honeycomb metal storage change
Hot body wire diameter is 0.6-1.0mm, and honeycomb metal aperture is 0.8-1.9mm, porosity 0.65-0.80, specific surface area
For 500~1000m2/m3；Porosity is ε4Honeycomb metal store heat exchanging body wire diameter be 1.5-5mm, honeycomb metal aperture
For 2.5-12mm, porosity 0.80-0.95, specific surface area is 100~500m2/m3.The structure forms flow resistance gradient,
I.e. porosity is bigger, and flow resistance is smaller；Porosity is smaller, and flow resistance is bigger.To guide high-temperature flue gas spontaneously from small
It is flowed at porosity honeycomb at macroporosity honeycomb, forms adaptive adherent flowing, enhance the fluid interchange of high-temperature flue gas.
Metal support is the stainless steel plate of the 2-5mm thickness with square through-hole, porosity 0.75-0.90.Gold
Belong to the fixed function that supporter not only acts as support honeycomb metal, also acts as accumulation of heat and the effect of enhanced heat exchange.
Three-dimensional internal-rib is arranged in ribbed pipe inner wall inside and outside three-dimensional, and three-D external-rib is arranged in outside wall surface.Ribbed pipe is in light inside and outside three-dimensional
Several three-dimensional protrusion elements are arranged in pipe outer wall face and inner wall.Ribbed pipe external diametrical extent can be 19-108mm, wall thickness inside and outside three-dimensional
Range 2-5mm, inside and outside rib altitude range are 0.3-7mm, and rib width range is 1-4mm, and circumferential spacing range is 2-4mm, between axial direction
It is 1-3mm away from range, fin thickness range is 0.2-1mm.
In use, complex gradient hole honeycomb body size and structure are designed according to the technological requirements to meet processing flue gas
The demand of temperature and dustiness.
The method that heat exchange is dusted using above-mentioned apparatus, specifically: heat transferring medium ribbed pipe internal flow inside and outside three-dimensional,
The high ash-laden gas of high temperature is in flows outside.The high ash-laden gas of high temperature is ε by porosity1Honeycomb metal filtering body be cleaned,
Purified cleaning high-temperature flue gas in porosity there is the combination honeycomb metal of transverse and longitudinal variation characteristic to store heat exchanging body one, group alloy
Belong to honeycomb and stores heat exchanging body two and porosity for ε4Honeycomb metal store and realize heat-accumulating process and adaptive adherent flowing in heat exchanging body,
And indirect cross-flow or counterflow heat exchange are carried out with the heat transferring medium in ribbed pipe inside and outside three-dimensional.
Wherein, the high ash-laden gas temperature of high temperature is 600 DEG C -1200 DEG C, dustiness 10-30g/Nm3。
The advantageous effects of the above technical solutions of the present invention are as follows:
In above scheme, have many advantages, such as that high-efficient purification, sufficiently heat exchange, continuous work, intensity height, service life are long, and process
Difficulty is smaller, and cost is relatively low, is easily changed, and is the continuous dedusting of the high ash-laden gas of high temperature and efficiently stores the new process of heat exchange.This hair
It is bright overcome current cleaner can not under the conditions of high temperature high dust-laden high-effective dust-removing, heat exchange equipment is under the conditions of high temperature high dust-laden
The disadvantages of heat exchange efficiency is low, volume is big and easy dust stratification, the continuous dedusting of flue gas stores heat exchange one under the conditions of solving the high dust-laden of high temperature
The technical problem of change.
Detailed description of the invention
Fig. 1 is the structural representation of the dust-collecting and heat exchanging integrated apparatus of the invention based on gradient honeycomb body and three-dimensional ribbed pipe
Figure；
Fig. 2 is A-A sectional view in Fig. 1；
Fig. 3 is rib structure schematic diagram inside and outside three-dimensional.
Wherein: 1- complex gradient mesoporous metal honeycomb body；11- porosity is ε1Honeycomb metal filtering body；12- porosity is
ε2Honeycomb metal store heat exchanging body；13- porosity is ε3Honeycomb metal store heat exchanging body；14- porosity is ε4Honeycomb metal store
Heat exchanging body；2- metal support；Ribbed pipe inside and outside 3- three-dimensional；31- three-D external-rib；32- three-dimensional internal-rib.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention for current cleaner can not under the conditions of high temperature high dust-laden high-effective dust-removing, heat exchange equipment is in high temperature height
Heat exchange efficiency is low under the conditions of dust-laden, volume is big and the bottleneck problems such as easy dust stratification, provides a kind of based on gradient honeycomb body and three-dimensional rib
The dust-collecting and heat exchanging integrated apparatus and method of pipe.
Including ribbed pipe 3 inside and outside complex gradient mesoporous metal honeycomb body 1, metal support 2 and three-dimensional, wherein complex gradient hole
Honeycomb metal body 1 includes that porosity is ε1Honeycomb metal filtering body 11, porosity ε2Honeycomb metal store heat exchanging body 12, hole
Gap rate is ε3Honeycomb metal to store heat exchanging body 13 and porosity be ε4Honeycomb metal store heat exchanging body 14, three-dimensional inside and outside ribbed pipe 3 include
Three-D external-rib 31 and three-dimensional internal-rib 32, porosity ε1Honeycomb metal filtering body 11 be located at complex gradient mesoporous metal honeycomb body 1
Outermost layer, porosity ε1Honeycomb metal filtering body 11 inside package porosity be ε2Honeycomb metal store heat exchanging body 12, hole
Gap rate is ε3Honeycomb metal to store heat exchanging body 13 and porosity be ε4Honeycomb metal store heat exchanging body 14, metal support 2 is sandwiched in hole
Gap rate is ε1Honeycomb metal filtering body 11, porosity ε2Honeycomb metal store heat exchanging body 12, porosity ε3Honeycomb metal
It stores heat exchanging body 13 and porosity is ε4Honeycomb metal store 14 intersection of heat exchanging body, three-dimensional inside and outside ribbed pipe 3 be located at complex gradient hole
1 inside of honeycomb metal body.
Wherein, complex gradient mesoporous metal honeycomb body 1 passes through lamination stack by four layers of honeycomb metal body with different porosities
It sets, complex gradient mesoporous metal honeycomb body 1 is that porosity is ε respectively from outside to inside1Honeycomb metal filtering body 11, group alloy
Belonging to honeycomb to store heat exchanging body one, combination honeycomb metal storage heat exchanging body two and porosity is ε4Honeycomb metal store heat exchanging body 14, wherein
It is ε that combination honeycomb metal storage heat exchanging body one, which is porosity,2Honeycomb metal store heat exchanging body 12, porosity ε3Honeycomb metal store
Heat exchanging body 13 and porosity are ε4Honeycomb metal store the head and the tail of heat exchanging body 14 and successively connect, combination honeycomb metal stores heat exchanging body two and is
Porosity is ε3Honeycomb metal to store heat exchanging body 13 and porosity be ε4Honeycomb metal store heat exchanging body 14 it is end to end；Compound ladder
Degree 1 porosity relationship of mesoporous metal honeycomb body is ε1<ε2<ε3<ε4。
As shown in figure 3, three-dimensional internal-rib 32 is arranged in 3 inner wall of ribbed pipe inside and outside three-dimensional, three-D external-rib 31 is arranged in outside wall surface.
It is mainly heat transferring medium 3 internal flow of ribbed pipe inside and outside three-dimensional using the method that the device is handled, it is internal
Three-dimensional internal-rib 32 can make the fluid near wall generate whirlpool in flow process to disturb to form turbulent fluid, play reinforcing convection current
The ability of heat exchange.The high ash-laden gas of high temperature is ε by porosity in three-dimensional 3 flows outside of ribbed pipe1Honeycomb metal filtering body 11
When by dust separation, purified cleaning high-temperature flue gas in porosity there is the combination honeycomb metal storage of transverse and longitudinal variation characteristic to change
Hot body one, two and porosity are ε4Honeycomb metal store and realize heat-accumulating process and adaptive adherent flowing in heat exchanging body, and with three
The heat transferring medium tieed up in inside and outside ribbed pipe 3 carries out indirect cross-flow or counterflow heat exchange.
It is explained combined with specific embodiments below.
Embodiment 1:
As shown in Figure 1 and Figure 2, porosity ε1Honeycomb metal filtering body 11 use string diameter for 0.071mm × 0.045mm
The FeCrAl metallic fiber of (warp × weft) is formed by three-dimensional twill weave, and aperture is 20 μm, porosity 0.35；Hole
Rate is ε2Honeycomb metal store heat exchanging body 12, porosity ε3Honeycomb metal to store heat exchanging body 13 and porosity be ε4Metal bee
It is Stainless steel 316 L that nest, which stores 14 material of heat exchanging body, and string diameter is followed successively by 0.2mm, 0.7mm, 2.0mm, and porosity is successively are as follows: ε1=
0.55、ε2=0.7 and ε3=0.85.Wherein, it is 5mm, with a thickness of 3mm, porosity that metal support 2, which is square through-hole aperture,
For 0.9 stainless steel plate；Inside and outside three-dimensional 3 height of ribbed pipe be 3mm, rib width 2mm, transverse and longitudinal spacing be 3mm, fin with a thickness of
0.5mm.The high ash-laden gas inlet temperature of high temperature is 1000 DEG C, flow 850Nm3/ h, dust particle concentration 20g/Nm in flue gas3, grit
Particle size range is about 1.0 μm -130 μm, and flue gas is ε by porosity1Honeycomb metal filtering body 11 by dust particles barrier exist
Outside, purified clean high-temperature flue gas stores heat exchanging body one, two and porosity in the combination honeycomb metal that porosity transverse and longitudinal changes
For ε4Honeycomb metal store and realize heat-accumulating process and adaptive adherent flowing in heat exchanging body, then and inside and outside three-dimensional in ribbed pipe 3
Heat transferring medium (air) carries out cross-flow indirect heat exchange, air mass flow 1000Nm3/ h is heated to 780 DEG C by room temperature, exhaust gas temperature
It is 205 DEG C, dust outlet concentration is 25.67mg/Nm3, efficiency of dust collection 99.87%, waste heat recovery rate 80.46%.
Embodiment 2:
As shown in Figure 1 and Figure 2, porosity ε1Honeycomb metal filtering body 11 use string diameter for 0.071mm × 0.045mm
The 310S metallic fiber of (warp × weft) is formed by three-dimensional twill weave, and aperture is 20 μm, porosity 0.35；ε2Gold
Belong to honeycomb and stores heat exchanging body 12, porosity ε3Honeycomb metal to store heat exchanging body 13 and porosity be ε4Honeycomb metal store heat exchanging body
14 materials are Stainless steel 316 L, and string diameter is followed successively by 0.2mm, 0.7mm, 2.0mm, and porosity is successively are as follows: ε1=0.55, ε2=0.7,
And ε3=0.85.Wherein, it is 5mm, with a thickness of 3mm that metal support 2, which is square through-hole aperture, porosity be 0.9 it is stainless
Steel plate；3 height of ribbed pipe is 3mm inside and outside three-dimensional, and rib width 2mm, transverse and longitudinal spacing is 3mm, and fin is with a thickness of 0.5mm.High temperature is high
Ash-laden gas inlet temperature fluctuates (mean temperature is 900 DEG C) within the scope of 600 DEG C -1200 DEG C, and flow is in 700-1000Nm3/h
(average flow rate 850Nm is fluctuated in range3/ h), dust particle concentration is in 10-30g/Nm in flue gas3(mean concentration is for fluctuation in range
20g/Nm3), grit particle size range is about 1.0 μm -70 μm, and flue gas is ε by porosity1Honeycomb metal filtering body 11 by dust
Particulate blocking outside, combination honeycomb metal storage heat exchanging body one that purified cleaning high-temperature flue gas change in porosity transverse and longitudinal,
Two and porosity be ε4Honeycomb metal store and realize heat-accumulating process and adaptive adherent flowing in heat exchanging body, then and inside and outside three-dimensional
Heat transferring medium (air) in ribbed pipe 3 carries out cross-flow indirect heat exchange, air mass flow 1000Nm3/ h is heated to 320 by room temperature
DEG C -980 DEG C (mean temperature is 650 DEG C), smoke evacuation mean temperature is 260 DEG C, and dust outlet mean concentration is 24.37mg/Nm3,
Efficiency of dust collection is 99.87%, waste heat recovery rate 73.67%.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of dust-collecting and heat exchanging integrated apparatus based on gradient honeycomb body and three-dimensional ribbed pipe, it is characterised in that: including compound ladder
Ribbed pipe (3) inside and outside degree mesoporous metal honeycomb body (1), metal support (2) and three-dimensional, wherein complex gradient mesoporous metal honeycomb body (1)
It is ε including porosity1Honeycomb metal filtering body (11), porosity ε2Honeycomb metal store heat exchanging body (12), porosity ε3
Honeycomb metal to store heat exchanging body (13) and porosity be ε4Honeycomb metal store heat exchanging body (14), three-dimensional inside and outside ribbed pipe (3) include
Three-D external-rib (31) and three-dimensional internal-rib (32), porosity ε1Honeycomb metal filtering body (11) be located at complex gradient mesoporous metal bee
The outermost layer of nest body (1), porosity ε1Honeycomb metal filtering body (11) inside package porosity be ε2Honeycomb metal storage change
Hot body (12), porosity ε3Honeycomb metal to store heat exchanging body (13) and porosity be ε4Honeycomb metal store heat exchanging body (14), gold
Belonging to supporter (2) to be sandwiched in porosity is ε1Honeycomb metal filtering body (11), porosity ε2Honeycomb metal store heat exchanging body
(12), porosity ε3Honeycomb metal to store heat exchanging body (13) and porosity be ε4Honeycomb metal store heat exchanging body (14) intersection,
Ribbed pipe (3) is located on the inside of complex gradient mesoporous metal honeycomb body (1) inside and outside three-dimensional.
2. the dust-collecting and heat exchanging integrated apparatus according to claim 1 based on gradient honeycomb body and three-dimensional ribbed pipe, feature
Be: the complex gradient mesoporous metal honeycomb body (1) is banked up by four layers of honeycomb metal body with different porosities by stacking
It forms, complex gradient mesoporous metal honeycomb body (1) is that porosity is ε respectively from outside to inside1Honeycomb metal filtering body (11), combination
Honeycomb metal stores heat exchanging body one, combination honeycomb metal stores heat exchanging body two and porosity is ε4Honeycomb metal store heat exchanging body (14),
Wherein, it is ε that combination honeycomb metal storage heat exchanging body one, which is porosity,2Honeycomb metal store heat exchanging body (12), porosity ε3Metal
Honeycomb stores heat exchanging body (13) and porosity is ε4Honeycomb metal store heat exchanging body (14) head and the tail successively connect, combination honeycomb metal store
Heat exchanging body two is that porosity is ε3Honeycomb metal to store heat exchanging body (13) and porosity be ε4Honeycomb metal to store heat exchanging body (14) first
Tail connects；Complex gradient mesoporous metal honeycomb body (1) porosity relationship is ε1<ε2<ε3<ε4。
3. the dust-collecting and heat exchanging integrated apparatus according to claim 1 based on gradient honeycomb body and three-dimensional ribbed pipe, feature
Be: the porosity is ε1Honeycomb metal filtering body (11) by diameter be 19-100 μm of heat-resistant metallic fiber solid twill
It weaves, surface forms three-dimensional structure filter opening, and aperture is 3-25 μm, porosity 0.35-0.38.
4. the dust-collecting and heat exchanging integrated apparatus according to claim 1 based on gradient honeycomb body and three-dimensional ribbed pipe, feature
Be: the porosity is ε2Honeycomb metal store heat exchanging body (12), porosity ε3Honeycomb metal store heat exchanging body (13) and hole
Gap rate is ε4Honeycomb metal store heat exchanging body (14) as made of heat-resistance stainless steel wire crocheting with elastic construction high hole
Gap rate, bigger serface structure；Wherein, porosity ε2Honeycomb metal store heat exchanging body (12) wire diameter be 0.1-
0.6mm, honeycomb metal aperture are 0.1-0.8mm, and porosity 0.50-0.65, specific surface area is 1000~1500m2/m3；Hole
Rate is ε3Honeycomb metal store heat exchanging body (13) wire diameter be 0.6-1.0mm, honeycomb metal aperture be 0.8-1.9mm, hole
Gap rate is 0.65-0.80, and specific surface area is 500~1000m2/m3；Porosity is ε4Honeycomb metal store heat exchanging body (14) metal
Silk diameter be 1.5-5mm, honeycomb metal aperture be 2.5-12mm, porosity 0.80-0.95, specific surface area be 100~
500m2/m3。
5. the dust-collecting and heat exchanging integrated apparatus according to claim 1 based on gradient honeycomb body and three-dimensional ribbed pipe, feature
Be: the metal support (2) is the stainless steel plate of the 2-5mm thickness with square through-hole, porosity 0.75-
0.90。
6. the dust-collecting and heat exchanging integrated apparatus according to claim 1 based on gradient honeycomb body and three-dimensional ribbed pipe, feature
Be: three-dimensional internal-rib (32) is arranged in ribbed pipe (3) inner wall inside and outside the three-dimensional, and three-D external-rib (31) are arranged in outside wall surface.
7. being removed using the dust-collecting and heat exchanging integrated apparatus based on gradient honeycomb body and three-dimensional ribbed pipe described in claim 1-6
The method of dirt heat exchange, it is characterised in that: the high ash-laden gas of high temperature is ε by porosity1Honeycomb metal filtering body (11) it is net
Change, purified cleaning high-temperature flue gas stores heat exchanging body one, combination metal bee in the combination honeycomb metal that porosity transverse and longitudinal changes
Nest stores heat exchanging body two and porosity is ε4Honeycomb metal store and realize heat-accumulating process and adaptive adherent flowing in heat exchanging body, and with
Heat transferring medium inside and outside three-dimensional in ribbed pipe (3) carries out indirect cross-flow or counterflow heat exchange.
8. the user of the dust-collecting and heat exchanging integrated apparatus according to claim 7 based on gradient honeycomb body and three-dimensional ribbed pipe
Method, it is characterised in that: the high ash-laden gas temperature of high temperature is 600 DEG C -1200 DEG C, dustiness 10-30g/Nm3。
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| CN201811484513.9A CN109489461B (en) | 2018-12-06 | 2018-12-06 | Integrated dust removal and heat exchange device and method based on gradient honeycomb body and three-dimensional rib tube |
| JP2019538330A JP7019154B2 (en) | 2018-12-06 | 2018-12-17 | Dust removal / heat exchange integrated device and method based on gradient honeycomb body and 3D rib tube |
| PCT/CN2018/121567 WO2020113666A1 (en) | 2018-12-06 | 2018-12-17 | Dust removal and heat exchange integrated device based on gradient honeycomb body and three-dimensional ribbed tube and method for using same |
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| Publication number | Publication date |
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| CN109489461B (en) | 2023-10-13 |
| WO2020113666A1 (en) | 2020-06-11 |
| JP2021511949A (en) | 2021-05-13 |
| JP7019154B2 (en) | 2022-02-15 |
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