CN212356523U - Boiler flue gas modifier - Google Patents
Boiler flue gas modifier Download PDFInfo
- Publication number
- CN212356523U CN212356523U CN201921228526.XU CN201921228526U CN212356523U CN 212356523 U CN212356523 U CN 212356523U CN 201921228526 U CN201921228526 U CN 201921228526U CN 212356523 U CN212356523 U CN 212356523U
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- CN
- China
- Prior art keywords
- pipe
- steam
- hearth
- flue gas
- boiler
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000003546 flue gas Substances 0.000 title claims abstract description 37
- 239000003607 modifier Substances 0.000 title claims abstract description 24
- 238000002485 combustion reaction Methods 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000002407 reforming Methods 0.000 claims description 11
- 239000000779 smoke Substances 0.000 claims description 10
- 238000000889 atomisation Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000002309 gasification Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Solid-Fuel Combustion (AREA)
Abstract
A boiler flue gas modifier is characterized in that: a cylinder flue gas modifier is arranged in the lower middle part of a hearth of the boiler, an infrared hollow particle combustion hole is arranged in the cylinder, and the combustion of the fire of the hearth drives the hollow particles in the combustion hole to glow to generate infrared high-temperature heat radiation so as to expand a hearth heat source; meanwhile, the flue gas generated by the combustion of the fire rises to the top of the hearth, passes through a recovery system, enters a reformer, is reformed and converted into combustible gas, directly enters a combustion hole, and is combined with the flame combustion of the fire below to form a heat source chain reaction heated by heat, so that the high temperature of the whole hearth is rapidly improved, and the aim of modifying the flue gas is fulfilled.
Description
Technical Field
A boiler flue gas modifier designed by matching with the existing boiler is provided, in particular to a boiler flue gas modifier which can utilize the flue gas dust, tar and steam naturally generated by the spontaneous combustion high temperature of the boiler and the combustion of fuel as raw materials to generate hydrogen through high-temperature thermochemical reaction.
Background
The development of human society must rely on energy consumption, and the pollution caused by energy consumption restricts the development and progress of society, wherein the pollution caused by energy consumption is the pollution of tail gas chemical combination and mixture generated by boiler combustion, especially the pollution source released by firewood and coal-fired boilers is serious, and how to eliminate the pollution problem, people imagine and propose a plurality of schemes, wherein the most feasible scheme is as follows: the autothermy of a boiler is used for carrying out high-temperature thermochemical reaction upgrading on the pollution source to convert the pollution source into clean hydrogen, but the situation of success in the process is not seen all the time, and the technical problems of the process are deeply: due to the fact that the amount of flue gas released in the combustion process is large, and meanwhile, in addition to a large amount of high-concentration mixed gas of tail gas compounds and the like of water vapor reduced by cold-hot temperature difference cold air in a hearth cavity, air in the flue gas and water vapor reduced by nitrogen oxides in the starting initial stage of the boiler, the boiler fire is completely extinguished in the moment that the boiler is tried to rotate to enter the hearth in the implementation treatment process, and therefore all the concepts in the front are unrealistic schemes which cannot be established. Therefore, how to deeply search a new answer to crack the objective scientific and technological problem? After years of continuous efforts, the method successfully adopts a smoke-fire separation method and an infrared high-temperature decomposition method, realizes the modification and conversion of the pollution source into clean new hydrogen energy and contributes to the human society.
Disclosure of Invention
In order to achieve the above purpose, the utility model adopts the following technical scheme that a detachable double-layer water-containing water-connecting water pipe grate is arranged at the bottom of a hearth of the existing boiler, a cylindrical flue gas modifier is arranged at the lower half part of the hearth, an infrared hollow particle burning cavity formed by an infrared high-temperature material is independently arranged at the lower part of the inner circle of a cylinder body of the flue gas modifier, an enhanced flue gas modification ring is arranged below the modifier, an enhanced steam atomization heating ring is arranged above the modifier, a flue gas inlet pipe with a smoke exhaust machine is arranged between the top of the hearth and one side of the lower part of the modifier, a flue gas ring pipe with a smoke delivery machine is arranged between the top of the hearth and the other side of the lower part of the modifier and one side of the upper part of the modifier, so that one side of the top of a pot body is provided with a steam outlet water blocking head, a steam connecting pipe is arranged between the steam outlet water blocking head and one side of the steam atomization heating ring, and a steam connecting pipe is arranged between the other side of the steam outlet water blocking head and the steam separation ring; a steam connecting pipe is arranged between the steam branch head and one side of the upper part of the reformer, a flue gas pipe is arranged on one side of the upper part of the reformer, a pipe section of the flue gas pipe is hung downwards in the reformer and is connected with gas in an opposite mode through the middle of a combustion hole and one side of a flue gas reforming ring arranged below the reformer, a flue gas communicating pipe is arranged on the other side of the reforming ring and penetrates out of the boiler body, a flue gas branch head is arranged at the tail end of the flue gas branch head, a steam outlet pipe is arranged on the lower part of the flue gas branch head, the pipe section of the steam outlet pipe is rotated to penetrate into the lower part of a hearth in the boiler body to enter the combustion hole arranged in the middle of the reformer, the pipe section of the steam outlet pipe is rotated and heated up and down, the gas discharged from the reformer.
The upper part of the gas distributing head arranged outside the boiler body is provided with an emptying pipe which can be used for adjusting emptying in the low-temperature initial stage of the boiler starting and the period when the modification system cannot achieve high-temperature thermal decomposition.
The said scheme can be adapted to the recovery and modification of flue gas of various fuels into combustible gas, raise the effective utilization rate of energy source, eliminate pollution, and especially can implement high-temp. steam and low-pressure boiler, and has the obvious advantages of high safety and low cost.
Drawings
This is further illustrated in connection with fig. 1.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
The best embodiment of the utility model is shown in the attached figure 1.
Detailed Description
The bottom of the hearth 2 of the existing pot body 1 is provided with a detachable double-layer water pipe grate 21 for containing water and connecting water, and the detachable arrangement of the grate 21 is beneficial to the installation, maintenance and replacement of the structure in the hearth 2 and the decontamination and maintenance of the grate 21. A cylindrical flue gas modifier 3 is arranged in the lower middle part of the hearth 2 and used for receiving flue gas storage, circulation and modification; the flue gas modifier 3 is cylindrical, and the lower part of the inner circle of the cylinder body is independently provided with an infrared hollow particle combustion hole 22 made of an infrared high-temperature material; the infrared ray generated by the high-temperature material is used for generating high temperature to promote the reformer 3 to achieve the purpose of expected work. A flue gas reforming ring 17 is arranged below the reformer 3, and flue gas enters the cavity of the reformer 3 and passes through the narrow channel of the reforming ring 17 to enhance reforming gasification. The steam atomization heating ring 6 is arranged on the reformer 3, and can enable steam to pass through a curve stretch, absorb waste heat for heating, enhance steam atomization, pressurization, expansion and temperature rise, and achieve the purpose that a low-pressure boiler realizes high-temperature steam. A smoke inlet pipe 16 for smoking and feeding smoke is arranged between the top of the hearth 2 and one side of the lower part of the reformer 3, and a smoke extractor 11 is arranged on the section surface of the top pipe section of the hearth 2 at one end of the upper part of the smoke inlet pipe 16. A flue gas circulating pipe 4 is arranged between the top of the hearth 2 and the other side of the lower part of the reformer 3 and one side of the upper part of the reformer 3, and a smoke feeder 10 is arranged on the section surface of the flue gas circulating pipe 4 at the top of the hearth 2. A steam outlet water blocking head 13 connected with the steam of the boiler is arranged at one side of the top of the pot body 1 and used for limiting the floating of the boiler water along with the steam and improving the steam quality; a water sinking pipe 14 is arranged between the lower part of the water blocking head 13 and water in the boiler and is used for blocking water in the reflux boiler, and a steam connecting pipe 12 is arranged between the upper part of the water blocking head 13 and the upper part of one side of the heating ring 6; a steam distributing head 8 is arranged between the other side of the top of the pot body 1, a steam connecting pipe 7 for connecting steam is arranged between the lower part of one side of the steam distributing head 8 and the other side of the heating ring 6, and a steam distributing and sending pipe 9 is arranged between the upper part of one side of the steam distributing head 8 and one side of the upper part of the quality modifier 3, and is used for adding part of steam into the quality modifier 3 to promote the quality modification gasification of flue gas and the self decomposition of the steam to increase the yield of the quality-modified gasification. A gasification gas guide pipe 5 is arranged between one side of the upper part of the reformer 3 and one side of the reforming ring 17 at the lower part, the pipe section of the guide pipe 5 passes through the middle of the combustion hole 22 to increase the heating chance and promote the enhancement of the gasification process, the other side of the reforming ring 17 is provided with a guide pipe 19, the pipe section of the guide pipe 19 penetrates out of the lower part of the pot body 1, the pipe tail of the guide pipe 19 penetrating out of the pot body is provided with a gas distribution head 18, the lower part of the gas distribution head 18 is provided with a back leading pipe 20, the pipe section of the back leading pipe 20 penetrates back into the pot body 1 to enter the hearth 2, the middle of the lower part of the combustion hole 22 is upward and vertically spirals in the middle of the combustion hole 22 to increase the whole flow of the reforming gas in the reforming system, the reforming is strengthened again, the gas combustibility is improved, and the tail end of the. Meanwhile, the upper part of the gas distributing head 18 arranged outside the boiler body is provided with an emptying pipe which can be used for adjusting emptying in the low-temperature initial stage of the boiler starting and the period when the modification system does not reach high-temperature thermal decomposition.
Claims (2)
1. A boiler flue gas modifier is characterized in that: a detachable double-layer water-containing water-connecting water pipe grate (21) is arranged at the bottom of the hearth (2), a cylindrical flue gas modifier (3) is arranged at the lower middle part of the hearth (2), an infrared hollow particle burning hole (22) is independently arranged at the lower part of the inner circle of the cylinder body of the flue gas modifier (3), a flue gas modifying ring (17) is arranged below the modifier (3), a steam atomization heating ring (6) is arranged above the modifier (3), a smoke suction pipe (16) is arranged between the top of the hearth (2) and one side of the lower part of the modifier (3), one end of the upper part of the smoke suction pipe (16) is provided with a smoke suction machine (11) on the section surface of the top pipe section of the hearth (2), and a flue gas circulating pipe (4) is arranged between the top of the hearth (2) and the other side of the lower part of the modifier (3) and one side of the upper part of the, a smoke-gas circulating pipe (4) is provided with a smoke-feeding machine (10) on the section surface of the top pipe section of the hearth (2), one side of the top of the pot body (1) is provided with a steam-discharging water-blocking head (13) connected with boiler steam, the upper part of the water-blocking head (13) and one side of the heating ring (6) are provided with a steam-distributing head (8), a steam-connecting pipe (12) is arranged between the lower part of one side of the steam-distributing head (8) and the other side of the heating ring (6), the other side of the top of the pot body (1) is provided with a steam-distributing head (8), a steam-connecting pipe (7) connected with steam is arranged between the lower part of one side of the steam-distributing head (8) and the other side of the heating ring (6), a steam-distributing and steam-feeding pipe (9) is arranged between the upper part of one side of the steam-distributing head (8) and one side of the upper part of the reformer (3), and, The boiler comprises a gas guide pipe (5), a pipe section of the guide pipe (5) passes through the middle of a combustion hole (22), a guide pipe (19) is arranged on the other side of a modifying ring (17), the pipe section of the guide pipe (19) penetrates out of the lower part of a boiler body (1), a gas distribution head (18) is arranged at the tail of the pipe penetrating out of the guide pipe (19), a back-leading pipe (20) is arranged at the lower part of the gas distribution head (18), the pipe section of the back-leading pipe (20) penetrates back into the boiler body (1) to enter a hearth (2), the middle of the lower part of the combustion hole (22) is upward, and the tail end of the back-leading pipe is vertically coiled in the combustion hole (22) and is discharged and combusted in the combustion.
2. The boiler flue gas reformer according to claim 1, wherein an evacuation port is provided at an upper portion of a gas distribution header (18) provided outside the boiler body, and the boiler is adjusted to be evacuated when the reforming system cannot perform work in an initial low-temperature period of startup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921228526.XU CN212356523U (en) | 2019-07-25 | 2019-07-25 | Boiler flue gas modifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921228526.XU CN212356523U (en) | 2019-07-25 | 2019-07-25 | Boiler flue gas modifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212356523U true CN212356523U (en) | 2021-01-15 |
Family
ID=74136601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921228526.XU Active CN212356523U (en) | 2019-07-25 | 2019-07-25 | Boiler flue gas modifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212356523U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436411A (en) * | 2019-07-25 | 2019-11-12 | 张达积 | Boiler smoke modifier |
-
2019
- 2019-07-25 CN CN201921228526.XU patent/CN212356523U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110436411A (en) * | 2019-07-25 | 2019-11-12 | 张达积 | Boiler smoke modifier |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 201, Unit 1, Building 11, Xiangshan Garden, Shangyangtou, Pingnan County, Ningde City, Fujian Province, 352300 Patentee after: Zhang Daji Country or region after: China Address before: 352100 room 402, building D, Hefeng commercial city, Jiaocheng District, Ningde City, Fujian Province Patentee before: Zhang Daji Country or region before: China |