CN201650494U - Exhaust afterheat recovery unit for biogas engine - Google Patents
Exhaust afterheat recovery unit for biogas engine Download PDFInfo
- Publication number
- CN201650494U CN201650494U CN2010201714044U CN201020171404U CN201650494U CN 201650494 U CN201650494 U CN 201650494U CN 2010201714044 U CN2010201714044 U CN 2010201714044U CN 201020171404 U CN201020171404 U CN 201020171404U CN 201650494 U CN201650494 U CN 201650494U
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- Prior art keywords
- biogas
- anechoic chamber
- noise
- reduction chamber
- air outlet
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/38—Caps; Covers; Plugs; Pouring means
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/20—Degassing; Venting; Bubble traps
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
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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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Health & Medical Sciences (AREA)
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- Bioinformatics & Cheminformatics (AREA)
- Genetics & Genomics (AREA)
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- Sustainable Development (AREA)
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- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
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- Thermal Sciences (AREA)
- Clinical Laboratory Science (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses an exhaust afterheat recovery unit for a biogas engine, mainly consisting of a noise-reduction chamber, heat pipes, a partition board, a segmental partition board and fins. The noise-reduction chamber is a sealed cavity and is divided into an upper space and a lower space by the transversely arranged partition board, and the upper space and the lower space are respectively used for circulating biogas and smoke; the heat pipes are installed in the noise-reduction chamber longitudinally; the fins are sleeved on the heat pipes passing through the upper part of the noise-reduction chamber; and the segmental partition board is installed in the lower space of the noise-reduction chamber longitudinally. In the utility model, the segmental partition board is installed on one the smoke circulating side in the noise-reduction chamber to realize the engine exhaustion noise reduction; an heat-pipe heat exchanger is arranged in the noise-reduction chamber, thus the exhaust afterheat of the engine is recovered and is used for preheating the biogas; the fins are additionally arranged on the heat pipes on the biogas circulating side of the noise-reduction chamber, thus the heat exchange effect between the biogas and the heat pipes is strengthened, and the temperature of the biogas is further improved to improve the combustion reaction speed of the biogas.
Description
Technical field
The utility model relates to a kind of utilization of new energy resources and field of energy-saving technology, particularly relates to a kind of exhaust heat recovering device that is used for methane fuelled engine.
Background technique
Biogas is a kind of inflammable gas with higher calorific value, is a kind of inexhaustible, nexhaustible renewable energy sources resource.Marsh gas power generation is a kind of effective means that the biogas high-efficiency cleaning utilizes, it not only can provide the electric energy of cleaning, and can also solve the greenhouse gas emission problem of bringing because of biomass ferment, help turning waste into wealth, realize comprehensive utilization of resources, reduce the discharging of greenhouse gases, become an important technology of waste minimizing, innocuity treatment, for new way has been opened up in the biomass energy comprehensive utilization of the vast rural area of China.
The biogas resource of China is very abundant.In recent years, along with China advances new countryside construction, the methane-generating pit construction is subsidized in state revenue and expenditure energetically, has further transferred the enthusiasm of peasant's construction methane generating pit especially.According to estimates, by 2010, national rural development biomass pool will reach 4,000 ten thousand mouthfuls, produce about 150 billion cubic meters of biogas per year, and what wherein be suitable for developing marsh gas power generation accounts for 11.5% of sum.
At present, the methane fuelled engine ubiquity of selling on the market has the lower problem of comprehensive utilization of energy rate.The reason here is much very complicated, and a major reason is wherein arranged, and is exactly that methane fuelled engine discharging exhaust temperature is higher, and waste heat fails to be utilized effectively.Because the biogas composition is based on methane, there are point of ignition height, velocity of combustion to wait burning feature slowly, make often occur failing in the burning of biogas in cylinder timely after-flame, have afterburning, influence the combustion efficiency of its firing effect and motor, also caused certain energy waste simultaneously.Therefore, design and develop the waste heat recovering device that a utilization is reclaimed engine exhaust complementary energy and fuel biogas is carried out preheating, will be subjected to the extensive welcome in market.
The model utility content
The exhaust heat recovering device that provides a kind of good muffling effect, good effect of heat exchange, heat recovery to be used for methane fuelled engine fully is provided the purpose of this utility model.
For achieving the above object, technical solution of the present utility model is:
The utility model is a kind of exhaust heat recovering device that is used for methane fuelled engine, and it mainly is made up of anechoic chamber, heat pipe, dividing plate, pass partition and fin; Described anechoic chamber is an airtight cavity, it is divided into upper and lower two spaces by the dividing plate of cross setting, be respectively applied for circulation biogas and flue gas, biogas suction port and flue gas air outlet are set on a sidewall, biogas air outlet and smoke air inlet are set on another sidewall, and biogas suction port and biogas air outlet are positioned at the top of anechoic chamber, communicate with the upper space of anechoic chamber, smoke air inlet and flue gas air outlet are positioned at the bottom of anechoic chamber, communicate with the lower space of anechoic chamber; Described heat pipe longitudinally is installed in anechoic chamber's cavity and passes the dividing plate that is horizontally set in anechoic chamber's cavity, is arranged on the heat pipe on cavity top, anechoic chamber and is socketed with fin; Described pass partition is longitudinally installed in the lower space of anechoic chamber's cavity, and the gas flow in the middle of smoke air inlet that will communicate with anechoic chamber's lower space and the flue gas air outlet is separated into zigzag path.
Described pass partition has two, and two pass partitions are parallel, relative, be arranged in anechoic chamber's lower space at interval, and the gas flow in the middle of smoke air inlet and the flue gas air outlet is separated into approximate zigzag path.
After adopting such scheme, because the utility model has been transformed the venting gas appliance of methane fuelled engine, by adopting sound absorbing material at the indoor wall of exhaust noise silencing, the flue gas side that circulates is installed pass partition in the anechoic chamber, to realize the erasure effect to engine exhaust; Engine exhaust heat is reclaimed heat pipe heat exchanger by in the anechoic chamber, arranging, and be used for preheating biogas,, make it be easy to fire burns to reduce its combustion reaction activation energy; By on the biogas flow side heat pipe of anechoic chamber, installing fin additional,, further improve the temperature of biogas and then improve its combustion velocity to strengthen the heat exchange effect between biogas and the heat pipe.
By the innovative design on the said structure, make the utility model methane fuelled engine exhaust heat recovering device have the engine exhaust heat of recovery simultaneously with characteristics such as heating biogas and reduction engine exhaust noises.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1-Fig. 4 is front view of the present utility model, left side view, right side view, plan view;
Fig. 5 is the isometric cutaway view of Fig. 4 along the D-D line;
Fig. 6 is the isometric cutaway view of Fig. 1 along the B-B line;
Fig. 7 is the sectional view of Fig. 1 along the A-A line;
Fig. 8 is the sectional view of Fig. 4 along the D-D line;
Fig. 9 is the sectional view of Fig. 4 along the C-C line;
Figure 10 is the partial sectional view of anechoic chamber's sidewall.
Embodiment
As Fig. 1-shown in Figure 6, the utility model is a kind of exhaust heat recovering device that is used for biogas generator, and it mainly is made up of parts such as anechoic chamber 1, heat pipe 2, dividing plate 3, pass partition 4 and fins 5.
Described anechoic chamber 1 is an airtight cavity, and it is divided into upper and lower two spaces by the dividing plate 3 of cross setting, i.e. upper space 11 and lower space 12, and upper space 11 is used to the biogas that circulates, and lower space 12 is in the circulation flue gas.Biogas suction port 13 and flue gas air outlet 14 are set on a sidewall, biogas air outlet 15 and smoke air inlet 16 are set on another sidewall, the top that biogas suction port 13 and biogas air outlet 15 are positioned at anechoic chamber 1 communicates with the upper space 11 of anechoic chamber 1, and the bottom that smoke air inlet 16 and flue gas air outlet 14 are positioned at anechoic chamber 1 communicates with the lower space 12 of anechoic chamber 1.
As shown in figure 10, described anechoic chamber 1 internal face adopts and is made by sound absorbing material 10 (asbestos fiber or aluminum silicate fiber), and is fixed on the iron sheet wall 30 with chain link fence 20.
As Fig. 5-shown in Figure 9, described heat pipe 2 longitudinally is installed in anechoic chamber's 1 cavity and passes the dividing plate 3 that is horizontally set at anechoic chamber's 1 cavity, is arranged on the heat pipe 21 on 1 cavity top, anechoic chamber and is socketed with fin 5.
Described pass partition 4 has two, longitudinally install in the lower space 12 of anechoic chamber's 1 cavity, two pass partitions are 4 parallel, relative, be arranged in anechoic chamber's 1 lower space 12 at interval, and the gas flows in the middle of smoke air inlet 14 and the flue gas air outlet 16 are separated into approximate zigzag path.Pass partition can be provided with three, four as required, even polylith more, and gas flow is separated into more bending loop.
Working principle of the present utility model:
The utility model is divided into upper space 11 and 12 two gas flow area of lower space to exhaust noise silencing chamber 1 with dividing plate 3, heat pipe 2 heat exchangers are installed in the exhaust noise silencing chamber 1, reclaim and be used for heating fuel biogas with exhaust waste heat, make it be easy to fire burns motor; Simultaneously, in exhaust noise silencing chamber 1, install fin additional on the heat pipe 2 of the mobile side of fuel biogas, be used to strengthen the heat exchange efficiency of biogas and heat pipe, further improve the preheating temperature of biogas and then improve its combustion velocity.
The above, it only is the utility model preferred embodiment, pass partition can be provided with as required, so can not limit the scope that the utility model is implemented with this, the i.e. equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (2)
1. exhaust heat recovering device that is used for methane fuelled engine, it is characterized in that: it mainly is made up of anechoic chamber, heat pipe, dividing plate, pass partition and fin; Described anechoic chamber is an airtight cavity, it is divided into upper and lower two spaces by the dividing plate of cross setting, be respectively applied for circulation biogas and flue gas, biogas suction port and flue gas air outlet are set on a sidewall, biogas air outlet and smoke air inlet are set on another sidewall, and biogas suction port and biogas air outlet are positioned at the top of anechoic chamber, communicate with the upper space of anechoic chamber, smoke air inlet and flue gas air outlet are positioned at the bottom of anechoic chamber, communicate with the lower space of anechoic chamber; Described heat pipe longitudinally is installed in anechoic chamber's cavity and passes the dividing plate that is horizontally set in anechoic chamber's cavity, is arranged on the heat pipe on cavity top, anechoic chamber and is socketed with fin; Described pass partition is longitudinally installed in the lower space of anechoic chamber's cavity, and the gas flow in the middle of smoke air inlet that will communicate with anechoic chamber's lower space and the flue gas air outlet is separated into zigzag path.
2. the exhaust heat recovering device that is used for methane fuelled engine according to claim 1, it is characterized in that: described pass partition has two, two pass partitions are parallel, relative, be arranged in anechoic chamber's lower space at interval, and the gas flow in the middle of smoke air inlet and the flue gas air outlet is separated into approximate zigzag path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201714044U CN201650494U (en) | 2010-04-19 | 2010-04-19 | Exhaust afterheat recovery unit for biogas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201714044U CN201650494U (en) | 2010-04-19 | 2010-04-19 | Exhaust afterheat recovery unit for biogas engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201650494U true CN201650494U (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201714044U Expired - Fee Related CN201650494U (en) | 2010-04-19 | 2010-04-19 | Exhaust afterheat recovery unit for biogas engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201650494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484830A (en) * | 2016-01-09 | 2016-04-13 | 中航长沙设计研究院有限公司 | Tail gas heat recycling and silencing device of gas turbine engine |
-
2010
- 2010-04-19 CN CN2010201714044U patent/CN201650494U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484830A (en) * | 2016-01-09 | 2016-04-13 | 中航长沙设计研究院有限公司 | Tail gas heat recycling and silencing device of gas turbine engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA DATANG GROUP SCIENCE AND TECHNOLOGY RESEARCH Effective date: 20131115 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131115 Address after: Yinjiang road in Jimei District of Xiamen City, Fujian Province, No. 185 361021 Patentee after: Jimei University Patentee after: China Datang Group Science & Technology Research Institute Co., Ltd. Address before: Yinjiang road in Jimei District of Xiamen City, Fujian Province, No. 185 361021 Patentee before: Jimei University |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20160419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |