CN206280984U - Regenerative catalytic combustion device - Google Patents
Regenerative catalytic combustion device Download PDFInfo
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- CN206280984U CN206280984U CN201621264159.5U CN201621264159U CN206280984U CN 206280984 U CN206280984 U CN 206280984U CN 201621264159 U CN201621264159 U CN 201621264159U CN 206280984 U CN206280984 U CN 206280984U
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- heat
- pipeline
- radiant tube
- burner
- catalytic combustion
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Abstract
The utility model discloses regenerative catalytic combustion device.The device includes：Radiant tube；Heat-storage type burner, heat-storage type burner is two, and is separately arranged on the two ends of radiant tube, and heat-storage type burner includes：Mixture：Mixture is arranged on the end of radiant tube, and mixture has the first gas port and pyrolysis gas entrance；Heat storage, heat storage is arranged in radiant tube, and is connected with mixture；Burner body, burner body is arranged in radiant tube, and is connected with heat storage, and burner body is loaded with combustion catalyst；First pipeline, first gas port of first pipeline respectively with two heat-storage type burners is connected；Second pipeline, the second pipeline intersects with the first pipeline and is connected, and the second pipeline is divided into air inlet section and smoke evacuation section by the first pipeline；Reversal valve, reversal valve is arranged on the first pipeline and intersects connectivity part with the second pipeline.The burner body that the device is loaded with catalyst is burnt and the efficient heat transfer in the way of radiating completely in combustion phases, and pollutant is almost nil.
Description
Technical field
The utility model is related to regenerative catalytic combustion device.
Background technology
Content of organics is high in sludge, by high temperature pyrolysis, organic matter can be changed into the sludge hot with higher thermal value
Vent one's spleen, its constituent is mainly CH4、H2And CO, can directly utilize.But common combustion system easily causes pyrolysis gas not
Burn completely, too high temperature causes that the pollutant of NOX is largely generated.
Thus, have much room for improvement for processing the burner of pyrolysis gas.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, of the present utility model
One purpose is to propose a kind of regenerative catalytic combustion device, and heat storage is fully warmed-up pyrolysis gas, is loaded with and urges in pre-mix stage
The burner body of agent is burnt and the efficient heat transfer in the way of radiating completely in combustion phases, and pollutant is almost nil, and heat storage exists
Fume emission stage abundant Mist heat recovering.
Thus, according to one side of the present utility model, the utility model provides a kind of regenerative catalytic combustion device.
According to embodiment of the present utility model, the device includes：Radiant tube；Heat-storage type burner, the heat-storage type burner is two,
And the two ends of the radiant tube are separately arranged on, the heat-storage type burner includes：Mixture：The mixture is set
In the end of the radiant tube, the mixture has the first gas port and pyrolysis gas entrance；Heat storage, the heat storage is arranged on
In the radiant tube, and it is connected with the mixture；Burner body, the burner body is arranged in the radiant tube, and with it is described
Heat storage is connected, and the burner body is loaded with combustion catalyst；First pipeline, first pipeline respectively with two storages
First gas port of hot type burner is connected；Second pipeline, second pipeline intersects with first pipeline and is connected, and described
Second pipeline is divided into air inlet section and smoke evacuation section by one pipeline；Reversal valve, the reversal valve is arranged on first pipeline
Intersect connectivity part with second pipeline.
According to the regenerative catalytic combustion device of the utility model embodiment, heat storage is fully warmed-up pyrolysis in pre-mix stage
Directly there is catalysis burning in gas, pyrolysis gas, making the consumption of pyrolysis gas significantly reduces, and is loaded with the burner body of catalyst at high temperature
Burnt completely in combustion phases, and the burning is flameless combustion, its heat is delivered in radiant tube in the way of radiating, catalysis combustion
Burn radiation efficiency high, realize the efficient heat transfer that pyrolysis gas burn to radiant tube, radiant tube is outwardly dissipated in the way of radiating again
Heat, pollutant is almost nil, when the waste heat of the high-temperature flue gas for producing that burn passes through the heat storage not worked, heat is inhaled
Receipts, accumulation of heat, after switching valve switching direction, the pyrolysis of burner body catalyst surface can be directly lighted using the heat in heat storage
Gas, and catalysis burning is carried out at relatively high temperatures, this substantially increases efficiency of combustion, and saves substantial amounts of sludge pyrolysis gas.
Thus, the high combustion efficiency of regenerative catalytic combustion device, and burnt by being catalyzed, realize non-pollutant discharge, energy-saving ring
Protect.
Optionally, the combustion catalyst is noble metal catalyst or composite oxide catalysts.
Optionally, the noble metal catalyst contains at least one of platinum, rhodium and palladium.
Optionally, the burner body is made up of honeycomb ceramic body.
Optionally, the thickness of the burner body is 15-25 millimeters, it is preferable that be 20 millimeters.
Optionally, the heat storage is made up of honeycomb ceramic body
Optionally, the radiant tube is U-shaped radiant tube.
Optionally, the device is further included：Pyrolysis air valve, the pyrolysis air valve is separately positioned on two storages
On the pyrolysis gas entrance of hot type burner.
Optionally, the device is further included：Linkage controller, the linkage controller respectively with two heat accumulating types
The pyrolysis air valve on the pyrolysis gas entrance of burner is connected.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein：
Fig. 1 shows the structural representation of the regenerative catalytic combustion device according to the utility model one embodiment；
Fig. 2 shows the structural representation of the regenerative catalytic combustion device according to the utility model another embodiment.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, term " longitudinal direction ", " transverse direction ", " on ", D score, "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom " be based on orientation shown in the drawings or position relationship,
Be for only for ease of description the utility model rather than require the utility model must with specific azimuth configuration and operation, therefore
It is not intended that to limitation of the present utility model.
It should be noted that term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be with
Express or implicitly include one or more this feature.Further, in description of the present utility model, unless otherwise
Illustrate, " multiple " is meant that two or more.
Thus, according to one side of the present utility model, the utility model provides a kind of regenerative catalytic combustion device.
With reference to Fig. 1, according to embodiment of the present utility model, the device is explained, the device includes：Radiant tube 100, accumulation of heat
Formula burner 200, the first pipeline 300, the second pipeline 400 and reversal valve 500.Each part to the device is explained below
It is bright, it is specific as follows：
Radiant tube 100：According to embodiment of the present utility model, the heat and high-temperature flue gas of the generation of burning pass through radiant tube
100 carry out heat convection.
According to some embodiments of the present utility model, radiant tube 100 is U-shaped radiant tube.Thus, radiant tube can uniformly spread
It is located inside stove, and ensures the sealing of stove, meanwhile, spatially cause that two ends burner is closer to the distance, saves tubing,
Improve stability.
Heat-storage type burner 200：According to embodiment of the present utility model, heat-storage type burner 200 is two, and only respectively
The two ends of the radiant tube are on the spot arranged on, for pyrolysis gas to be carried out with burning treatment, and the high-temperature flue gas of generation of burning can
Reclaimed with accumulation of heat, the two alternately accumulation of heats and burning of heat-storage type burner 200.
According to embodiment of the present utility model, heat-storage type burner 200 includes：Mixture 210, heat storage 220 and burning
Body 230, wherein, mixture 210 is arranged on the end of radiant tube 100, and there are the mixture 210 first gas port and pyrolysis gas to enter
Mouthful, the mixing in mixture 210 of pyrolysis gas and air makes pyrolysis gas and air be carried out under conditions of high excess air coefficient
Burning, it is ensured that pyrolysis gas complete oxidation burns, it is to avoid generation CO and NOX；Heat storage 220 is arranged in radiant tube 100, and with it is mixed
Fit 210 are connected, for the high-temperature flue gas that burning is produced to be carried out with accumulation of heat recovery, and the heat that will be reclaimed be used for pyrolysis gas and
Air is preheated in mixture, obtains high-temperature gas mixture body, makes mixed gas that catalysis burning directly to occur at high temperature, makes heat
The consumption vented one's spleen is significantly reduced, also, can directly light the catalyst surface of burner body 230 using the heat in heat storage 220
Pyrolysis gas, and carry out catalysis burning at relatively high temperatures；Burner body 230 is arranged in 100 radiant tubes, and with heat storage 210
It is connected, and burner body is loaded with combustion catalyst, the burner body for being loaded with catalyst is burnt completely in combustion phases, and the burning is
Flameless combustion, its heat is delivered in radiant tube in the way of radiating, and is catalyzed burning radiation efficiency high, realizes pyrolysis gas burning
To the efficient heat transfer of radiant tube.
According to some embodiments of the present utility model, combustion catalyst is noble metal catalyst or composite oxide catalytic
Agent.Thus, the catalysis activity of combustion catalyst is good, high combustion efficiency, pyrolysis gas in catalyst surface flameless combustion, with what is radiated
Mode, uniform and stable to U-shaped interior heat transfer, heat transfer efficiency is higher than common flame combustion by more than 30%, and ensures radiant tube
Inner surface is heated evenly, outwardly conduct heat uniform, it is to avoid flame combustion local temperature is too high to puncture radiant tube, local temperature mistake
The phenomenon of low influence heat-transfer effect.
According to the utility model preferred embodiment, noble metal catalyst contains at least one of platinum, rhodium and palladium.Thus, it is expensive
Metallic catalyst can change the path of chemical reaction, compared with common catalyst, be greatly improved the conversion effect of fuel gas
Rate.
According to embodiment of the present utility model, burner body 230 is made up of honeycomb ceramic body.Thus, catalysis can be made
Agent is uniformly attached on carrier, the contact area of increase pyrolysis gas and catalyst, and alveolate texture mechanical strength compared with
Height, can bear larger blast, therefore, expand the adjustable range of power.
According to embodiment of the present utility model, the thickness of burner body 230 is 15-25 millimeters.Inventor's research finds, burns
Body would have been completed all of combustion reaction in the range of 0~15mm, after maximum temperature point, the exothermic reaction of gas
Just no longer occur.This explanation, 15mm later burner body body is in stabilization burning later just there is no with speckling with the combustion of catalyst
Increase the cost of pyrolysis gas heat accumulating type catalytic combustion radiant tube, and unemployed burner body sheet if burning body thickness and crossing conference
Body also result in the waste of structure.
According to the utility model preferred embodiment, the thickness of burner body 230 is 20 millimeters.Thus, the utilization of burner body
Rate and high combustion efficiency.
According to embodiment of the present utility model, heat storage is made up of honeycomb ceramic body.Thus, accumulation of heat effect is good.
According to embodiment of the present utility model, the device is further included：Pyrolysis air valve 600, the pyrolysis air valve point
It is not arranged on two pyrolysis gas entrances of heat-storage type burner 200, by the input of pyrolysis gas Valve controlling pyrolysis gas, and input
Amount.Because heat-storage type burner is alternate combustion, pyrolysis air valve be also according to burner the need for alternately open and
Close.
According to embodiment of the present utility model, the device is further included：Linkage controller 700, the linkage controller 700
It is connected with the pyrolysis air valve 600 on two pyrolysis gas entrances of heat-storage type burner 200 respectively, because heat-storage type burner is
Alternate combustion, pyrolysis air valve be also according to burner the need for alternately open and close, i.e., one pyrolysis air valve open
Open, another pyrolysis gas valve closing, two pyrolysis air valves are alternately opened and closed, and two are controlled by linkage controller
Individual pyrolysis air valve periodically alternately open and close, and makes the supply cycle of pyrolysis gas and heat-storage type burner 200
Periodicity accumulation of heat and burning are consistent, it is ensured that production is smoothed out.
First pipeline 300：According to embodiment of the present utility model, the first pipeline 300 respectively with two heat-storage type burners
200 the first gas port is connected, and in burner combustion, the first pipeline 300 is burning supply air by the first gas port, works as burning
Device does not burn, and heat storage carries out accumulation of heat is, the first pipeline 300 will burn the flue gas for producing by the second pipeline by the first gas port
400 smoke evacuation section discharge.
Second pipeline 400：According to embodiment of the present utility model, the second pipeline 400 intersects with the first pipeline 300 and is connected
It is logical, wherein, the second pipeline 400 is divided into air inlet section 420 and smoke evacuation section 410 by the first pipeline 300, for the first pipeline 300
Supply air and discharge low-temperature flue gas.
Reversal valve 500：According to embodiment of the present utility model, reversal valve 500 is arranged on the first pipeline 300 and the second pipeline
400 intersect connectivity part, and the reversing plate in reversal valve periodically rotates, and the first pipeline 300 is periodically supplied to burner
Air and discharge flue gas, so that two alternately accumulation of heats and burning of heat-storage type burner 200.
For the ease of understanding the regenerative catalytic combustion device of foregoing the utility model embodiment, herein with shown in Fig. 2
Device as a example by, illustrate the step of to carrying out pyrolysis gas combustion heat supplying using the regenerative catalytic combustion device：
(1) the commutation Board position of reversal valve 500 is as shown in Fig. 2 air enters reversal valve 500 by air inlet section 420, then passes through
The epimere of the first pipeline 300 enters the mixture 210 of heat-storage type burner above 200 in figure, pyrolysis gas above
Valve 600 is opened, because two pyrolysis air valves are mutually linkages, when the pyrolysis air valve of top is opened, and the heat of lower section
Vent one's spleen valve closing, pyrolysis gas are by being pyrolyzed feed channel into mixing with air in the mixture 210 of top.
(2) in initial igniting startup stage, because the now also non-accumulation of heat of heat storage 220 of top, it is impossible to use low-heat
The pyrolysis gas of value, the natural gas for being first passed through high heating value in this stage mixes with air and is ignited, directly by heat storage
210, lighted a fire in burner body 230 up, under the catalysis of catalyst, burnt on the surface of burner body 220, initially
State is common flame combustion, and burn 10min or so, and the surface of burner body 230 of top reaches stable state, is flameless catalytic combustion
Burn.
(3) pyrolysis gas of low heat value are passed through in the case where the burning of starting stage reaches stably catalyzed fired state, nonflame is carried out
Catalysis burning, and to the heat release of radiant tube 100 in the way of radiating, while heat smoke carries out heat convection, cigarette by radiant tube 100
Gas absorbs waste heat by the heat storage of lower section carries out accumulation of heat, and then flue gas passes through the mixture 210 of lower section by the first pipeline 300
Hypomere is exported, and is entered in air by smoke evacuation section 410 through reversal valve 500, and CO2 is generated because catalysis burning can make fuel burn completely
And H2O, while the discharge of pollutant CO and NOX is almost nil, therefore, the tail gas after burning can be directly discharged into air.
(4) reversing plate 8 in reversal valve 500 is rotated by 90 °, and air enters underlying by the hypomere of the first pipeline 300
Mixture 210, the pyrolysis air valve 600 of lower section is opened, and mixture 210 of the air with pyrolysis gas in lower section mixes, now lower section
Heat storage 220 had temperature higher, mixed gas can be made directly to be urged on the surface of burner body 230 of lower section
Change burning, and to radiant tube heat release in the way of radiating, while heat smoke carries out heat convection by radiant tube, flue gas is by upper
The heat storage 220 of side absorbs waste heat carries out accumulation of heat, and then flue gas enters the mixture 210 of top, through the epimere of the first pipeline 300
Air is entered by smoke evacuation section 4100 by reversal valve 500.
(5) by reversing plate timing reversing repeat step (4) in reversal valve 500, the catalysis combustion of pyrolysis gas heat accumulating type is realized
The sustained combustion of device is burnt, continues heat release.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be
Combined in an appropriate manner in one or more any embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
In the case where principle of the present utility model and objective is not departed from various changes, modification, replacement can be carried out to these embodiments
And modification, scope of the present utility model limits by claim and its equivalent.
Claims (10)
1. a kind of regenerative catalytic combustion device, it is characterised in that including：
Radiant tube；
Heat-storage type burner, the heat-storage type burner is two, and is separately arranged on the two ends of the radiant tube, institute
Stating heat-storage type burner includes：
Mixture：The mixture is arranged on the end of the radiant tube, and there are the mixture the first gas port and pyrolysis gas to enter
Mouthful；
Heat storage, the heat storage is arranged in the radiant tube, and is connected with the mixture；
Burner body, the burner body is arranged in the radiant tube, and is connected with the heat storage, and the burner body is loaded with
Combustion catalyst；
First pipeline, first gas port of first pipeline respectively with two heat-storage type burners is connected；
Second pipeline, second pipeline intersects with first pipeline and is connected, and first pipeline is by second pipeline
It is divided into air inlet section and smoke evacuation section；
Reversal valve, the reversal valve is arranged on first pipeline and intersects connectivity part with second pipeline.
2. regenerative catalytic combustion device according to claim 1, it is characterised in that the combustion catalyst is noble metal
Catalyst or composite oxide catalysts.
3. regenerative catalytic combustion device according to claim 2, it is characterised in that the noble metal catalyst contains
At least one of platinum, rhodium and palladium.
4. regenerative catalytic combustion device according to claim 1, it is characterised in that the burner body is by cellular pottery
What porcelain body was constituted.
5. regenerative catalytic combustion device according to claim 1, it is characterised in that the thickness of the burner body is 15-
25 millimeters.
6. regenerative catalytic combustion device according to claim 5, it is characterised in that the thickness of the burner body is 20 millis
Rice.
7. regenerative catalytic combustion device according to claim 1, it is characterised in that the heat storage is by cellular pottery
What porcelain body was constituted.
8. regenerative catalytic combustion device according to claim 1, it is characterised in that the radiant tube is U-shaped radiant tube.
9. regenerative catalytic combustion device according to claim 1, it is characterised in that further include：
Pyrolysis air valve, the pyrolysis air valve is separately positioned on two pyrolysis gas entrances of the heat-storage type burner
On.
10. regenerative catalytic combustion device according to claim 1, it is characterised in that further include：
Linkage controller, the linkage controller respectively with two pyrolysis gas entrances of the heat-storage type burner on institute
Pyrolysis air valve is stated to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621264159.5U CN206280984U (en) | 2016-11-21 | 2016-11-21 | Regenerative catalytic combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621264159.5U CN206280984U (en) | 2016-11-21 | 2016-11-21 | Regenerative catalytic combustion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206280984U true CN206280984U (en) | 2017-06-27 |
Family
ID=59083412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621264159.5U Expired - Fee Related CN206280984U (en) | 2016-11-21 | 2016-11-21 | Regenerative catalytic combustion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206280984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439867A (en) * | 2016-11-21 | 2017-02-22 | 北京神雾环境能源科技集团股份有限公司 | Heat accumulation type catalytic combusting device |
-
2016
- 2016-11-21 CN CN201621264159.5U patent/CN206280984U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439867A (en) * | 2016-11-21 | 2017-02-22 | 北京神雾环境能源科技集团股份有限公司 | Heat accumulation type catalytic combusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee after: Shenwu Technology Group Co.,Ltd. Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee before: BEIJING SHENWU ENVIRONMENT AND ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Non-leakage heat accumulation type catalytic combustion device Effective date of registration: 20180322 Granted publication date: 20170627 Pledgee: The Bank of Beijing Limited by Share Ltd. Anwar Road Branch Pledgor: Shenwu Technology Group Co.,Ltd. Registration number: 2018990000210 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190121 Granted publication date: 20170627 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220921 Granted publication date: 20170627 |
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| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 |
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| CF01 | Termination of patent right due to non-payment of annual fee |