CN103471112B - Catalytic bed furnace core structure with guide shield - Google Patents
Catalytic bed furnace core structure with guide shield Download PDFInfo
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- CN103471112B CN103471112B CN201310452746.1A CN201310452746A CN103471112B CN 103471112 B CN103471112 B CN 103471112B CN 201310452746 A CN201310452746 A CN 201310452746A CN 103471112 B CN103471112 B CN 103471112B
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- combustion chamber
- catalytic bed
- core structure
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- peripheral board
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Abstract
The invention relates to a catalytic bed furnace core structure with a guide shield. The structure comprises an upper end plate, a lower end plate and a furnace core outer peripheral plate; the upper end plate and the lower end plate are respectively fixedly mounted on the upper end and the lower end of the furnace core outer peripheral plate; a furnace core inner peripheral plate is arranged in the furnace core outer peripheral plate; gas inlet paths and gas outlet paths are alternatively arranged between the furnace core inner peripheral plate and the furnace core outer peripheral plate; the inlet of each gas inlet path is arranged on the upper end plate; the outlet of each gas inlet path is arranged between the lower end plate and the furnace core inner peripheral plate; the inlet of each gas outlet path is arranged between the upper end plate and the furnace core inner peripheral plate; the outlet of each gas outlet path is arranged on the lower end plate; a guide shield with an inversed rectangular pyramid structure is arranged at the lower face of the middle of the upper end plate. The catalytic bed furnace core structure is simple in arrangement and scientific and reasonable in design, the heat efficiency of the furnace core structure can be effectively improved, the heat loss is reduced, the heat recovery utilization rate can be improved, the temperature in the furnace core structure is more uniform during burning, and the burning efficiency and the purifying rate are improved.
Description
Technical field
The invention belongs to catalytic bed field, especially a kind of catalytic bed stove core structure with kuppe.
Background technology
Along with the enhancing of people's environmental consciousness, this noun of PM2.5 more and more receives publicity, in PM2.5 to people's body harm maximum no more than industrial volatile organic pollutants, in prior art, mainly Production by Catalytic Combustion Process is adopted to industrial volatile organic pollutants, existing catalytic bed stove core structure makes building enclosure by heat resisting steel sheet material or industrial furnace building material usually, inlet and outlet is located at the two ends up and down of stove core structure, although existing structure can realize catalytic combustion, but there are the following problems: 1. the thermal losses of stove core structure own is large, and recuperation of heat utilization ratio is lower; 2. non-uniform temperature in stove core structure, overall high in centre temperature, edge temperature is low, reduces industrial volatile organic pollutants efficiency of combustion, affects the purifying rate of catalytic combustion.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of catalytic bed stove core structure with kuppe is provided, this stove core structure is arranged simply, design science is reasonable, effectively improve the thermal efficiency of stove core structure itself, reduce thermal losses, improve recuperation of heat utilization rate, during burning, in stove core structure, temperature is more even, improves efficiency of combustion and purifying rate.
The present invention solves its technical problem and is achieved through the following technical solutions:
A kind of catalytic bed stove core structure with kuppe, comprise upper head plate, bottom plate and combustion chamber peripheral board, the upper end of combustion chamber peripheral board is fixedly mounted with upper head plate, the lower end of combustion chamber peripheral board is fixedly mounted with bottom plate, it arranges coaming plate in a combustion chamber in combustion chamber peripheral board, air intake duct and gas off-take is arranged alternately between coaming plate and combustion chamber peripheral board in combustion chamber, the import of air intake duct is arranged on upper head plate, the outlet of air intake duct to be arranged in bottom plate and combustion chamber between coaming plate, the import of gas off-take to be arranged in upper head plate and combustion chamber between coaming plate, the outlet of gas off-take is arranged on bottom plate, the kuppe being inverted rectangular pyramid structure is provided with on below in the middle part of upper head plate.
And described kuppe is inverted positive rectangular pyramid structure.
And described air intake duct is identical with the quantity of gas off-take and to be evenly alternately arranged in combustion chamber between coaming plate and combustion chamber peripheral board.
And the long-pending outlet channel cross-sections that equals of described inlet channel cross-sectional amasss.
And the long-pending outlet channel cross-sections that is greater than of described inlet channel cross-sectional amasss.
And the long-pending outlet channel cross-sections that is less than of described inlet channel cross-sectional amasss.
And described air intake duct adopts rectangular steel pipe and is arranged in combustion chamber peripheral board and combustion chamber between coaming plate, gas off-take is surrounded by coaming plate in the air intake duct rectangle steel tube wall of its both sides, combustion chamber peripheral board and combustion chamber.
And, described combustion chamber peripheral board cross section be rectangle or square or circular.
And, in described combustion chamber coaming plate cross section be rectangle or square or circular.
And described inlet channel cross-sectional is rectangle or square or fan-shaped or circular or ring is fan-shaped, outlet channel cross-sections is rectangle or square or fan-shaped or circular or ring is fan-shaped.
Advantage of the present invention and beneficial effect are:
In the catalytic bed stove core structure of 1, this band kuppe in the middle part of upper head plate below on be provided with the kuppe being inverted rectangular pyramid structure, and this kuppe can be inverted positive rectangular pyramid structure, effectively can realize burned VOCs gas uniform and enter gas off-take, effective raising catalytic bed edge temperature, for realizing high burning efficiency and purifying rate lays the first stone.
2, the catalytic bed stove core structure of this band kuppe comprises upper head plate, bottom plate and combustion chamber peripheral board, the upper end of combustion chamber peripheral board is fixedly mounted with upper head plate, the lower end of combustion chamber peripheral board is fixedly mounted with bottom plate, it arranges coaming plate in a combustion chamber in combustion chamber peripheral board, air intake duct and gas off-take is arranged alternately between coaming plate and combustion chamber peripheral board in combustion chamber, the import of air intake duct is arranged on upper head plate, the outlet of air intake duct to be arranged in bottom plate and combustion chamber between coaming plate, the import of gas off-take to be arranged in upper head plate and combustion chamber between coaming plate, the outlet of gas off-take is arranged on bottom plate, this kind of over-over mode arranges air intake duct and gas off-take can realize the even air inlet of surrounding bottom catalytic bed combustion chamber, thus make the industrial volatile organic pollutants entering combustion chamber be attracted to the surface of cat ceramic carrier more uniformly, make combustion chamber combustion even, high-temperature gas after burning refluxes evenly downwards by gas off-take, high-temperature gas produces Thermal feedback by combustion chamber wall to combustion chamber, combustion chamber bottom temp is made to compensate evenly, overcome catalytic bed combustion chamber centre temperature in prior art high, the shortcoming that temperature low heating in edge is uneven, improve efficiency of combustion and purifying rate.
3, the catalytic bed stove core structure of this band kuppe adopts over-over mode to arrange air intake duct and gas off-take, effectively performs to ultimate attainment by the recycling of catalytic combustion heat.Catalyst combustion reaction heat is utilized to carry out preheating to the gas entering catalytic bed.This warm belongs to countercurrent flow, for the high temperature catalytic combustion tail gas flow through in the air flue formed by coaming plate in combustion chamber and combustion chamber peripheral board, belongs to following current heat exchange for the air-flow in catalytic bed, gas in air intake duct is heated in three directions, and make heat exchange unit to greatest extent near thermal source, reduce heat loss, improve heat exchange efficiency, to ensure that catalytic bed reaches catalysis initiation temperature at the stylish VOCs gas entered of normal combustion, contribute to maintaining that catalyticing combustion process is stable to carry out, reduce the dependence even broken away from auxiliary electrical heater.
The high-temperature tail gas that in the catalytic bed stove core structure of 4, this band kuppe, catalytic combustion produces is along gas off-take, namely combustion chamber wall is back to the process of catalytic bed lower part outlet, back feeding heating is carried out to catalytic bed fringe region, contribute to the maintenance of catalytic bed bulk temperature with even, catalytic combustion is impelled to be evenly distributed in whole catalytic bed cross section, improve catalytic combustion purifying rate, and form benign cycle thus, be beneficial to catalytic combustion and carry out continually and steadily.
In the catalytic bed stove core structure of 5, this band kuppe, upper head plate is provided with a Catalyst packing door, facilitates the replacing of catalytic bed combustion chamber inner catalyst, improve production efficiency.
In the catalytic bed stove core structure of 6, this band kuppe, air intake duct can be different from the quantity of gas off-take, also can be identical, the long-pending outlet channel cross-sections that can equal of inlet channel cross-sectional amasss, the long-pending outlet channel cross-sections that also can be greater than of inlet channel cross-sectional amasss, the long-pending outlet channel cross-sections that can also be less than of inlet channel cross-sectional amasss, determine the cross-section relation between different air intake ducts and gas off-take according to climate reasons, VOCs gas treatment amount and catalyst use amount, make it more adapt to the processing requirements of different situations.
In the catalytic bed stove core structure of 7, this band kuppe, air intake duct adopts rectangular steel pipe and to be arranged in combustion chamber peripheral board and combustion chamber between coaming plate, gas off-take is surrounded by coaming plate in the air intake duct rectangle steel tube wall of its both sides, combustion chamber peripheral board and combustion chamber, this kind of patten's design can reduce the welding deformation in manufacturing process, thermal stress and thermal deformation can be reduced in using, and can effectively reduce steel use amount, reduce construction costs, be energy-saving and cost-reducing new design, reach processing requirements completely.
In the catalytic bed stove core structure of 8, this band kuppe, combustion chamber peripheral board cross section is rectangle or square or circular, in combustion chamber coaming plate cross section be rectangle or square or circular, inlet channel cross-sectional is rectangle or square or fan-shaped or circular or ring is fan-shaped, and outlet channel cross-sections is rectangle or square or fan-shaped or circular or ring is fan-shaped.This kind of Structural Transformation mainly adapts to difform catalytic bed profile, facilitates the design of various situation.
9, stove core structure of the present invention is arranged simply, design science is reasonable, effectively improve the thermal efficiency of stove core structure itself, reduces thermal losses, and raising recuperation of heat utilization rate, during burning, in stove core structure, temperature more evenly, improves efficiency of combustion and purifying rate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
Fig. 4 is the A-A cutaway view Amplified image of Fig. 1;
Fig. 5 is the B-B cutaway view Amplified image of Fig. 1;
Fig. 6 is stereogram of the present invention (omission kuppe).
Detailed description of the invention
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
A kind of catalytic bed stove core structure, comprise upper head plate 1, bottom plate 3 and combustion chamber peripheral board 2, the upper end of combustion chamber peripheral board is fixedly mounted with upper head plate, the lower end of combustion chamber peripheral board is fixedly mounted with bottom plate, it arranges coaming plate 9 in a combustion chamber in combustion chamber peripheral board, air intake duct 8 and gas off-take 11 is arranged alternately between coaming plate and combustion chamber peripheral board in combustion chamber, the import 5 of air intake duct is arranged on upper head plate, the outlet 10 of air intake duct to be arranged in bottom plate and combustion chamber between coaming plate, the import 7 of gas off-take to be arranged in upper head plate and combustion chamber between coaming plate, the outlet 6 of gas off-take is arranged on bottom plate, the kuppe 4 being inverted rectangular pyramid structure is provided with on below in the middle part of upper head plate, air intake duct is identical with the quantity of gas off-take and to be evenly alternately arranged in combustion chamber between coaming plate and combustion chamber peripheral board, air intake duct also can not be identical with the quantity of gas off-take, described be arranged on the air intake duct being in opposite in combustion chamber between coaming plate with combustion chamber peripheral board and air intake duct can one by one corresponding or air intake duct and gas off-take corresponding one by one, air intake duct shown in the present embodiment accompanying drawing 6 and gas off-take quantity are 20 and are evenly alternately arranged in combustion chamber between coaming plate and combustion chamber peripheral board, adopt the mode that air intake duct is corresponding one by one with gas off-take, the long-pending outlet channel cross-sections that can equal of inlet channel cross-sectional amasss, the long-pending outlet channel cross-sections that also can be greater than of inlet channel cross-sectional amasss, the long-pending outlet channel cross-sections that can also be less than of inlet channel cross-sectional amasss.Adopt rectangular steel pipe in order to the air intake duct in energy-saving and cost-reducing this catalytic bed stove core structure and to be arranged in combustion chamber peripheral board and combustion chamber between coaming plate, gas off-take is surrounded by coaming plate in the air intake duct rectangle steel tube wall of its both sides, combustion chamber peripheral board and combustion chamber, combustion chamber peripheral board cross section be rectangle or square or circular, in combustion chamber coaming plate cross section be rectangle or square or circular, inlet channel cross-sectional is rectangle or square or fan-shaped or circular or ring is fan-shaped, and outlet channel cross-sections is rectangle or square or fan-shaped or circular or ring is fan-shaped.
The VOCs gas flow of the present invention in use after preheating is pass into from the Fighter Inlet upper head plate, below inlet duct flow to catalytic bed stove core structure, the stop of chance bottom plate is turned back and is entered in catalytic bed combustion chamber, flameless combustion is there is in the aperture through cat ceramic honeycomb substrate under catalyst action, the kuppe of the inversion rectangular pyramid structure that the gas after burning meets below end plate evenly enters the gas off-take surrounded by coaming plate in the air intake duct rectangle steel tube wall of gas off-take both sides, combustion chamber peripheral board and combustion chamber, flows out from gas off-take outlet.
Actual motion compliance test result of the present invention: this new catalytic pool furnace cored structure in actual use, after conventional preheating, passes into VOCs gas, after catalytic combustion occurs, cuts off electrical heating.Within the period that VOCs gas concentration meets minimum ignition concentration, realize self-sustaining burning completely, without any additional auxiliary thermal source, the catalyticing combustion process catalytic bed temperature short time reaches 650 DEG C, most time maintains between 350 DEG C ~ 450 DEG C, and flameholding fluctuates less.Three, catalytic bed upper, middle and lower region temperature instrumentation reading is close, and uniformity of temperature profile is described, exit gas detects, and VOCs concentration, lower than 20ppm, illustrates that catalytic combustion purifying rate reaches desirable level.
Claims (10)
1. the catalytic bed stove core structure with kuppe, comprise upper head plate, bottom plate and combustion chamber peripheral board, the upper end of combustion chamber peripheral board is fixedly mounted with upper head plate, the lower end of combustion chamber peripheral board is fixedly mounted with bottom plate, it is characterized in that: coaming plate in a combustion chamber is set in combustion chamber peripheral board, air intake duct and gas off-take is arranged alternately between coaming plate and combustion chamber peripheral board in combustion chamber, the import of air intake duct is arranged on upper head plate, the outlet of air intake duct to be arranged in bottom plate and combustion chamber between coaming plate, the import of gas off-take to be arranged in upper head plate and combustion chamber between coaming plate, the outlet of gas off-take is arranged on bottom plate, the kuppe being inverted rectangular pyramid structure is provided with on below in the middle part of upper head plate.
2. the catalytic bed stove core structure of band kuppe according to claim 1, is characterized in that: described kuppe is inverted positive rectangular pyramid structure.
3. the catalytic bed stove core structure of band kuppe according to claim 1, is characterized in that: described air intake duct is identical with the quantity of gas off-take and to be evenly alternately arranged in combustion chamber between coaming plate and combustion chamber peripheral board.
4. the catalytic bed stove core structure of the band kuppe according to claim 1 or 3, is characterized in that: the long-pending outlet channel cross-sections that equals of described inlet channel cross-sectional amasss.
5. the catalytic bed stove core structure of the band kuppe according to claim 1 or 3, is characterized in that: the long-pending outlet channel cross-sections that is greater than of described inlet channel cross-sectional amasss.
6. the catalytic bed stove core structure of the band kuppe according to claim 1 or 3, is characterized in that: the long-pending outlet channel cross-sections that is less than of described inlet channel cross-sectional amasss.
7. the catalytic bed stove core structure of the band kuppe according to claim 1 or 3, it is characterized in that: described air intake duct adopts rectangular steel pipe and is arranged in combustion chamber peripheral board and combustion chamber between coaming plate, gas off-take is surrounded by coaming plate in the air intake duct rectangle steel tube wall of its both sides, combustion chamber peripheral board and combustion chamber.
8. the catalytic bed stove core structure of band kuppe according to claim 1, is characterized in that: described combustion chamber peripheral board cross section is rectangle or circle.
9. the catalytic bed stove core structure of band kuppe according to claim 1, is characterized in that: in described combustion chamber, coaming plate cross section is rectangle or circle.
10. the catalytic bed stove core structure of band kuppe according to claim 1, is characterized in that: described inlet channel cross-sectional is rectangle or fan-shaped or ring is fan-shaped, and outlet channel cross-sections is rectangle or fan-shaped or ring is fan-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310452746.1A CN103471112B (en) | 2013-09-27 | 2013-09-27 | Catalytic bed furnace core structure with guide shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310452746.1A CN103471112B (en) | 2013-09-27 | 2013-09-27 | Catalytic bed furnace core structure with guide shield |
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| Publication Number | Publication Date |
|---|---|
| CN103471112A CN103471112A (en) | 2013-12-25 |
| CN103471112B true CN103471112B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310452746.1A Expired - Fee Related CN103471112B (en) | 2013-09-27 | 2013-09-27 | Catalytic bed furnace core structure with guide shield |
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| JP2009063210A (en) * | 2007-09-05 | 2009-03-26 | Chubu Electric Power Co Inc | Treatment device of volatile organic compound |
| CN101907292A (en) * | 2010-07-14 | 2010-12-08 | 袁福林 | Vertical environment-friendly boiler for triple dedusting burning wood and biological particle fuel in boiler |
| CN102192516A (en) * | 2011-03-25 | 2011-09-21 | 天津赛智科技发展有限公司 | High-efficiency catalytic combustion decontamination plant for industrial volatilizable organic pollutants |
| US8283512B1 (en) * | 2011-10-05 | 2012-10-09 | Maganas Thomas C | Method and system for enhanced energy production from transforming, reducing and eliminating organic material and medical wastes |
| CN203517826U (en) * | 2013-09-27 | 2014-04-02 | 天津赛智科技发展有限公司 | Catalyzing bed furnace core structure with air guiding cover |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871641B (en) * | 2010-07-14 | 2011-09-21 | 周腾飞 | Vertical quartic reverse-burning boiler |
-
2013
- 2013-09-27 CN CN201310452746.1A patent/CN103471112B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8319824D0 (en) * | 1983-07-22 | 1983-08-24 | Priest G M | Furnace |
| US5291859A (en) * | 1993-01-29 | 1994-03-08 | Joseph A. Brinck | Catalytic incineration system |
| CN2430611Y (en) * | 2000-06-26 | 2001-05-16 | 贾昌文 | High efficiency two purpose heating stove |
| CN1290835A (en) * | 2000-11-02 | 2001-04-11 | 李建新 | Low heat value gas barning furnace |
| CN1864029A (en) * | 2003-10-01 | 2006-11-15 | 阿部俊广 | Combustion system |
| CN1609511A (en) * | 2003-10-17 | 2005-04-27 | 王森 | Energy-saving gas economizing device for natural gas boiler |
| JP2009063210A (en) * | 2007-09-05 | 2009-03-26 | Chubu Electric Power Co Inc | Treatment device of volatile organic compound |
| CN101907292A (en) * | 2010-07-14 | 2010-12-08 | 袁福林 | Vertical environment-friendly boiler for triple dedusting burning wood and biological particle fuel in boiler |
| CN102192516A (en) * | 2011-03-25 | 2011-09-21 | 天津赛智科技发展有限公司 | High-efficiency catalytic combustion decontamination plant for industrial volatilizable organic pollutants |
| US8283512B1 (en) * | 2011-10-05 | 2012-10-09 | Maganas Thomas C | Method and system for enhanced energy production from transforming, reducing and eliminating organic material and medical wastes |
| CN203517826U (en) * | 2013-09-27 | 2014-04-02 | 天津赛智科技发展有限公司 | Catalyzing bed furnace core structure with air guiding cover |
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| CN103471112A (en) | 2013-12-25 |
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Granted publication date: 20150722 Termination date: 20200927 |