CN216897289U - Porous medium combustor capable of combusting for multiple times - Google Patents
Porous medium combustor capable of combusting for multiple times Download PDFInfo
- Publication number
- CN216897289U CN216897289U CN202220141937.0U CN202220141937U CN216897289U CN 216897289 U CN216897289 U CN 216897289U CN 202220141937 U CN202220141937 U CN 202220141937U CN 216897289 U CN216897289 U CN 216897289U
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- Prior art keywords
- porous medium
- combustion cavity
- medium layer
- combustion
- gas
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- 238000002485 combustion reaction Methods 0.000 claims description 68
- 239000007789 gas Substances 0.000 claims description 33
- 238000005086 pumping Methods 0.000 claims description 17
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 7
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000002737 fuel gas Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 239000003345 natural gas Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Classifications
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Gas Burners (AREA)
Abstract
The utility model relates to the technical field of burners, in particular to a porous medium burner capable of burning for multiple times, which comprises a shell, a first porous medium layer and a second porous medium layer, wherein a first burning cavity is arranged in the middle of the shell, and a second burning cavity is arranged at the upper part of the shell.
Description
Technical Field
The utility model relates to the technical field of combustors, in particular to a porous medium combustor capable of combusting for multiple times.
Background
With the development of economy, energy and environmental problems become more and more important concerns of people, and as fossil fuels are continuously reduced, in order to establish an economic mode of sustainable development, improve an energy structure and an energy consumption mode and improve the effective utilization rate of energy, various low-calorific-value fuel gases in industrial production and energy production must be fully utilized to realize efficient and clean utilization of conventional energy. However, the combustible components of the low-calorific-value fuel gas are thin, and the low-calorific-value fuel gas is difficult to effectively utilize by using the conventional combustion technology, and how to realize the effective combustion of the low-calorific-value fuel gas and slow down the environmental problem caused by direct discharge is a difficult problem to be solved urgently.
In recent years, the search for more efficient and low emission combustion technology has continued, and among the many new technologies for enhancing combustion and controlling emissions, porous media burners have received increasing attention for their unique advantages. The porous medium has heat energy accumulation and feedback effects, the specific surface area of the porous medium is large, sufficient heat exchange can be carried out between gas and solid, meanwhile, the specific heat capacity of the solid is far larger than that of the gas, heat released during combustion of combustible gas is stored in the solid through convection heat exchange, a part of the heat is fed back to the upstream in a heat radiation mode and can be used for preheating unburned combustible gas, the conventional porous medium burner is used for one-time combustion, the problem of insufficient combustion can exist, particularly, when the voc gas is treated, if the voc gas is not sufficiently combusted, the environment can be polluted, when the voc gas is low, supplementary gas is required to be combusted, and the conventional burner cannot treat the low-concentration voc gas.
SUMMERY OF THE UTILITY MODEL
The utility model provides a porous medium burner capable of combusting for multiple times aiming at the problems in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a porous medium burner capable of combusting for multiple times, which comprises a shell, a first porous medium layer and a second porous medium layer, wherein a first combustion cavity is arranged in the middle of the shell, a second combustion cavity is arranged at the upper part of the shell, the first porous medium layer is arranged at the upper end of the first combustion cavity, the second porous medium layer is arranged at the upper end of the second combustion cavity, air pumping pipelines are respectively arranged at the lower end of the first combustion cavity and the left side of the second combustion cavity, and gas pumping pipelines are respectively arranged at the lower end of the first combustion cavity and the right side of the second combustion cavity.
Preferably, the air pumping pipeline of the second combustion chamber and the gas pumping pipeline of the second combustion chamber are both provided with electromagnetic valves.
Preferably, the first combustion cavity and the second combustion cavity are both provided with gas distribution plates, and the gas distribution plates are provided with a plurality of mixing holes.
Preferably, the first porous medium layer and the second porous medium layer are both formed by firing a silicon carbide material.
Preferably, igniters are arranged on the lower sides of the first porous medium layer and the second porous medium layer, the igniters are made of high-temperature-resistant materials, and the thickness of the first porous medium layer and the thickness of the second porous medium layer are both 3-10 cm.
Preferably, the inner wall of the shell is provided with a heat-insulating layer, and the thickness of the heat-insulating layer is 3-10 cm.
Preferably, the first combustion chamber is installed inside the second combustion chamber, and silicon carbide particles are filled on both sides of the second combustion chamber.
The utility model has the beneficial effects that:
the utility model provides a porous medium burner capable of combusting for multiple times, which comprises a shell, a first porous medium layer and a second porous medium layer, wherein a first combustion cavity is arranged in the middle of the shell, a second combustion cavity is arranged at the upper part of the shell, the first porous medium layer is arranged at the upper end of the first combustion cavity, the second porous medium layer is arranged at the upper end of the second combustion cavity, air pumping pipelines are respectively arranged at the lower end of the first combustion cavity and the left side of the second combustion cavity, and gas pumping pipelines are respectively arranged at the lower end of the first combustion cavity and the right side of the second combustion cavity. And then mixing the voc gas with natural gas and then burning the mixture on the first porous medium layer or the second porous medium layer.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
The reference numerals are respectively:
the gas burner comprises a shell-1, a first porous medium layer-2, a second porous medium layer-3, a first combustion cavity-4, a second combustion cavity-5, an air pumping pipeline-6, a gas pumping pipeline-7, an electromagnetic valve-8, a gas distribution plate-9, a flame lighter-10 and a heat insulation layer-11.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.
As shown in fig. 1, the porous medium burner capable of multiple combustion provided by the utility model comprises a housing 1, a first porous medium layer 2 and a second porous medium layer 3, wherein a first combustion chamber 4 is arranged in the middle of the housing 1, a second combustion chamber 5 is arranged on the upper part of the housing 1, the first porous medium layer 2 is arranged at the upper end of the first combustion chamber 4, the second porous medium layer 3 is arranged at the upper end of the second combustion chamber 5, air pumping pipelines 6 are respectively arranged at the lower end of the first combustion chamber 4 and the left side of the second combustion chamber 5, gas pumping pipelines 7 are respectively arranged at the lower end of the first combustion chamber 4 and the right side of the second combustion chamber 5, the gas can be combusted on the first porous medium layer 2, and if the combustion is insufficient, the secondary combustion can be carried out on the second porous medium layer 3, when the concentration of the voc gas is low during processing of the voc gas, natural gas with a proper flow rate can be added into the voc gas pump pipeline 7, and then the voc gas and the natural gas are mixed and then are combusted on the first porous medium layer 2 or the second porous medium layer 3.
In this embodiment, the air pumping pipeline 6 of the second combustion chamber 5 and the gas pumping pipeline 7 of the second combustion chamber 5 are both provided with an electromagnetic valve 8, and when air and natural gas do not need to be blown in during use, the electromagnetic valve 8 can be used for closing the air pumping pipeline 6 of the second combustion chamber 5 and the gas pumping pipeline 7 of the second combustion chamber 5.
In this embodiment, the gas distribution plates 9 are disposed in the first combustion chamber 4 and the second combustion chamber 5, the gas distribution plates 9 are provided with a plurality of mixing holes, and the gas distribution plates 9 can sufficiently mix the blown voc gas (natural gas) with air and the like, so that the first porous medium layer 2 or the second porous medium layer 3 can be sufficiently combusted.
In this embodiment, the first porous medium layer 2 and the second porous medium layer 3 are both formed by firing silicon carbide materials, the lower sides of the first porous medium layer 2 and the second porous medium layer 3 are both provided with the igniter 10, the igniter 10 is made of high-temperature-resistant materials, the thickness of the first porous medium layer 2 and the thickness of the second porous medium layer 3 are both 3-10cm, and the igniter 10 is used for igniting when introducing voc gas or natural gas.
In the embodiment, in order to prevent the heat of the utility model from being dissipated from the side part, the inner wall of the shell 1 is provided with the heat-insulating layer 11, and the thickness of the heat-insulating layer 11 is 3-10 cm.
In this embodiment, the first combustion chamber 4 is installed inside the second combustion chamber 5, and silicon carbide particles are filled in both sides of the second combustion chamber 5, and the filled silicon carbide particles can prevent tempering when natural gas is introduced, thereby improving the safety of the present invention.
Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (7)
1. A porous medium burner capable of multiple combustion, characterized in that: the multifunctional gas-fired boiler comprises a shell, a first porous medium layer and a second porous medium layer, wherein a first combustion cavity is arranged in the middle of the shell, a second combustion cavity is arranged on the upper portion of the shell, the first porous medium layer is arranged at the upper end of the first combustion cavity, the second porous medium layer is arranged at the upper end of the second combustion cavity, air pump pumping pipelines are arranged at the lower end of the first combustion cavity and the left side of the second combustion cavity, and gas pump pipelines are respectively arranged at the lower end of the first combustion cavity and the right side of the second combustion cavity.
2. The multi-combustable porous medium burner of claim 1, wherein: and electromagnetic valves are arranged on the air pumping pipeline of the second combustion cavity and the fuel gas pumping pipeline of the second combustion cavity.
3. The multi-combustable porous medium burner of claim 1, wherein: and gas distribution plates are arranged in the first combustion cavity and the second combustion cavity, and a plurality of mixing holes are formed in the gas distribution plates.
4. The multi-combustable porous medium burner of claim 1, wherein: the first porous medium layer and the second porous medium layer are both formed by firing silicon carbide materials.
5. The multi-combustable porous medium burner of claim 4, wherein: the lower sides of the first porous medium layer and the second porous medium layer are both provided with igniters, the igniters are made of high-temperature-resistant materials, and the thickness of the first porous medium layer and the thickness of the second porous medium layer are both 3-10 cm.
6. The multi-combustable porous medium burner of claim 1, wherein: the inner wall of the shell is provided with a heat-insulating layer, and the thickness of the heat-insulating layer is 3-10 cm.
7. The multi-combustable porous medium burner of claim 1, wherein: the first combustion cavity is arranged inside the second combustion cavity, and silicon carbide particles are filled on two sides of the second combustion cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220141937.0U CN216897289U (en) | 2022-01-19 | 2022-01-19 | Porous medium combustor capable of combusting for multiple times |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220141937.0U CN216897289U (en) | 2022-01-19 | 2022-01-19 | Porous medium combustor capable of combusting for multiple times |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216897289U true CN216897289U (en) | 2022-07-05 |
Family
ID=82180719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220141937.0U Active CN216897289U (en) | 2022-01-19 | 2022-01-19 | Porous medium combustor capable of combusting for multiple times |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216897289U (en) |
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2022
- 2022-01-19 CN CN202220141937.0U patent/CN216897289U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 69 Meifeng Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province, 215300, 1-A10, 1-A11 Patentee after: Zhongke Zhuoyi Thermal Technology (Suzhou) Co.,Ltd. Country or region after: China Address before: Room 1106, building A1, No. 66, Wusong Road, Yushan Town, Kunshan City, Suzhou, Jiangsu 215300 Patentee before: Suzhou keyiruolan Environmental Technology Co.,Ltd. Country or region before: China |