CN108624479A - A kind of residual heat utilization apparatus for biogas engineering and its method - Google Patents
A kind of residual heat utilization apparatus for biogas engineering and its method Download PDFInfo
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- CN108624479A CN108624479A CN201710154326.3A CN201710154326A CN108624479A CN 108624479 A CN108624479 A CN 108624479A CN 201710154326 A CN201710154326 A CN 201710154326A CN 108624479 A CN108624479 A CN 108624479A
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- fermentation tank
- biogas
- heat exchanger
- hot water
- afterheat
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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
- 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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- 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
- C12M43/00—Combinations of bioreactors or fermenters with other apparatus
- C12M43/04—Bioreactors or fermenters combined with combustion devices or plants, e.g. for carbon dioxide removal
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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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Abstract
The present invention discloses a kind of residual heat utilization apparatus for biogas engineering and its method, including fermentation tank, biogas generator, waste heat boiler and afterheat heat exchanger, the flue outlet of the biogas generator is connected to the entrance of waste heat boiler, and the waste heat boiler is used to recycle the heat in biogas generator exhaust；Biogas generator flue outlet is also connected by the input terminal of gas bypass pipeline valve and afterheat heat exchanger, and fermentation tank is connected by the input terminal of hot water circulating pump and afterheat heat exchanger, and the output end of afterheat heat exchanger is connected with the input terminal of fermentation tank.The present invention reduces project cost, improves fume afterheat utilization rate without configuring hot water storage tank.
Description
Technical field
The present invention relates to methane engineering technology field, it is specifically related to a kind of residual heat utilization apparatus for biogas engineering and its side
Method.
Background technology
At present worldwide, the fossil fuels such as oil, natural gas, coal are increasingly in short supply, not due to fossil fuel
Alternative energy is found and studied in recyclability, each state all positive.Compared with fossil energy, biomass energy has very
Apparent advantage is a kind of renewable energy forms integrating environmental benefit and economic benefit.Meanwhile China's economic is fast
Speed development also brings serious environmental problem, improves the ecological environment, and realizes that economic sustainable development is Chinese future development
Policy emphasis.Water pollution caused by biomass castoff discharges and land pollution seriously restrict China's Economic Sustainability
Development, industrial bio matter waste gasification meets the great demand of country and socio-economic development using the scale of technology to be needed
It wants, development improves health condition to ecological environment treatment, realizes that changing waste into resources utilizes, and promotes environmentally friendly equipment manufacturing
Industry integral level plans as a whole urban-rural integration development etc. and all has significance.
Heat in the also mating waste heat boiler recycling unit exhaust of biogas engineering mating Biogas Generator Set at present, waste heat
The saturated water of steam-water separator is heated to be steam water interface and returns to steam-water separator progress steam-water separation generation 1.0MPa by boiler
Saturated vapor amount steam supply heat user.Fermentation tank normal operation needs a large amount of 70 DEG C or so of hot water, and uses hot water
Time and dosage in tank the case where input and output material with changing, so anaerobic fermentation system is configured with large-scale hot water storage tank.Hot water stores up
Hot water in tank is produced by vapor heat exchanger, and the operation and stopping of vapor heat exchanger are controlled according to hot tank temperature control system.
There are own shortcomings for the above-mentioned prior art：
（1）Individual vapor heat exchanger is needed to configure in biogas engineering, utilization rate of waste heat is low, and increases project cost；
（2）Biogas engineering needs to configure large-scale hot water storage tank, and cost is high, takes up a large area, and safeguards using more complex.
Invention content
The present invention in view of the above technical problems, provides a kind of residual heat utilization apparatus for biogas engineering and its method, without configuration
Hot water storage tank reduces project cost, improves fume afterheat utilization rate.
To achieve the goals above, the present invention adopts the following technical scheme that：
A kind of residual heat utilization apparatus for biogas engineering, including fermentation tank, biogas generator, waste heat boiler and afterheat heat exchanger, it is described
The flue outlet of biogas generator and the input terminal of afterheat heat exchanger connect, and the hot water outlet of the fermentation tank is changed with the waste heat
The input terminal of hot device connects, and the output end of the afterheat heat exchanger is connected with the input terminal of fermentation tank.
Preferably, the input that the flue outlet of the biogas generator passes through gas bypass pipeline valve and afterheat heat exchanger
End connection, the fermentation tank are connected by the input terminal of hot water circulating pump and afterheat heat exchanger.
Preferably, the input terminal of the waste heat boiler is connected with the flue outlet of the biogas generator.
The invention also discloses a kind of biogas engineering residual-heat utilization methods, including fermentation tank and biogas generator, described
The flue outlet of biogas generator adds gas bypass pipeline, the hot water outlet connection one simultaneously of gas bypass pipeline and fermentation tank
Afterheat heat exchanger is covered, the output end of the afterheat heat exchanger is connected with the input terminal of fermentation tank；When fermentation tank is needed with hot water,
The flue gas of biogas generator enters afterheat heat exchanger by gas bypass pipeline, and the hot water of fermentation tank is also entered by hot water outlet
The flue gas direct heat transfer of afterheat heat exchanger and biogas generator returns after generating hot water in fermentation tank.
Preferably, the input terminal of the waste heat boiler is connected with the flue outlet of the biogas generator；When fermentation tank not
When hot water being needed to heat, flue gas fully enters waste heat boiler producing steam.
The present invention introduces afterheat heat exchanger in large and medium-sized biogas engineering, using fast-assembling modularization residual-heat utilization technology, no
But it is horizontal to greatly improve biogas engineering overall technology, and is a kind of to solve the problems, such as fermentation tank heating and heat preservation, consuming energy
A kind of approach and practicable method.
Beneficial effects of the present invention：Present invention optimizes form anaerobic fermentation methane engineering process；Without configuring hot water storage tank, drop
Low project cost provides hot water at any time according to anaerobic fermentation tank demand；Its is compact-sized, equipment it is small, light-weight；Flue gas
With hot water direct heat transfer；It is safe and reliable, service life is long, installation, using, it is easy to maintenance.
Description of the drawings
Fig. 1 is the structural schematic diagram of residual heat utilization apparatus for biogas engineering of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
A kind of residual heat utilization apparatus for biogas engineering, including fermentation tank, biogas generator, waste heat boiler and afterheat heat exchanger,
The input terminal of the flue outlet of the biogas generator and afterheat heat exchanger connects, the hot water outlet of the fermentation tank with it is described remaining
The input terminal of heat exchanger connects, and the output end of the afterheat heat exchanger is connected with the input terminal of fermentation tank.
Wherein, the input that the flue outlet of the biogas generator passes through gas bypass pipeline valve and afterheat heat exchanger
End connection, the fermentation tank are connected by the input terminal of hot water circulating pump and afterheat heat exchanger.
Wherein, the input terminal of the waste heat boiler is connected with the flue outlet of the biogas generator.
A kind of biogas engineering residual-heat utilization method of the present invention, including fermentation tank and biogas generator are sent out in the biogas
The flue outlet of motor adds gas bypass pipeline, and the hot water outlet of gas bypass pipeline and fermentation tank connects a set of waste heat simultaneously
Heat exchanger, the output end of the afterheat heat exchanger are connected with the input terminal of fermentation tank；When fermentation tank is needed with hot water, biogas hair
The flue gas of motor enters afterheat heat exchanger by gas bypass pipeline, and the hot water of fermentation tank is also changed into waste heat by hot water outlet
The flue gas direct heat transfer of hot device and biogas generator returns after generating 65-75 DEG C of hot water in fermentation tank.When fermentation tank does not need
Gas bypass pipeline valve is automatically closed when heating in hot water, and flue gas continues to fully enter original waste heat boiler producing steam.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (5)
1. a kind of residual heat utilization apparatus for biogas engineering, it is characterised in that：Including fermentation tank, biogas generator, waste heat boiler and remaining
Heat exchanger, the flue outlet of the biogas generator and the input terminal of afterheat heat exchanger connect, and the hot water of the fermentation tank goes out
Mouth is connect with the input terminal of the afterheat heat exchanger, and the output end of the afterheat heat exchanger is connected with the input terminal of fermentation tank.
2. a kind of residual heat utilization apparatus for biogas engineering as described in claim 1, it is characterised in that：The cigarette of the biogas generator
Road outlet is connected by the input terminal of gas bypass pipeline valve and afterheat heat exchanger, the fermentation tank by hot water circulating pump with
The input terminal of afterheat heat exchanger connects.
3. a kind of residual heat utilization apparatus for biogas engineering as described in claim 1, it is characterised in that：The input of the waste heat boiler
End is connected with the flue outlet of the biogas generator.
4. a kind of biogas engineering residual-heat utilization method, it is characterised in that：Including fermentation tank and biogas generator, sent out in the biogas
The flue outlet of motor adds gas bypass pipeline, and the hot water outlet of gas bypass pipeline and fermentation tank connects a set of waste heat simultaneously
Heat exchanger, the output end of the afterheat heat exchanger are connected with the input terminal of fermentation tank；When fermentation tank is needed with hot water, biogas hair
The flue gas of motor enters afterheat heat exchanger by gas bypass pipeline, and the hot water of fermentation tank is also changed into waste heat by hot water outlet
The flue gas direct heat transfer of hot device and biogas generator returns after generating hot water in fermentation tank.
5. a kind of biogas engineering residual-heat utilization method as claimed in claim 4, it is characterised in that：The input of the waste heat boiler
End is connected with the flue outlet of the biogas generator；When fermentation tank does not need hot water heating, flue gas fully enters waste heat
Boiler producing steam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710154326.3A CN108624479A (en) | 2017-03-15 | 2017-03-15 | A kind of residual heat utilization apparatus for biogas engineering and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710154326.3A CN108624479A (en) | 2017-03-15 | 2017-03-15 | A kind of residual heat utilization apparatus for biogas engineering and its method |
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| Publication Number | Publication Date |
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| CN108624479A true CN108624479A (en) | 2018-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710154326.3A Pending CN108624479A (en) | 2017-03-15 | 2017-03-15 | A kind of residual heat utilization apparatus for biogas engineering and its method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110822438A (en) * | 2019-11-07 | 2020-02-21 | 光大环保技术研究院（南京）有限公司 | Waste incineration power generation system and method |
| CN112266851A (en) * | 2020-10-28 | 2021-01-26 | 浙江天地环保科技股份有限公司 | Efficient heat recycling system and method for coupling biogas engineering and biogas slurry thermal hydrolysis engineering |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105331523A (en) * | 2015-12-02 | 2016-02-17 | 青岛天人环境股份有限公司 | Fast-assembly modularized waste heat utilization device for biogas projects and method thereof |
| CN205258457U (en) * | 2015-12-02 | 2016-05-25 | 青岛天人环境股份有限公司 | Biogas engineering fast -assembling modularization waste heat utilization equipment |
-
2017
- 2017-03-15 CN CN201710154326.3A patent/CN108624479A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105331523A (en) * | 2015-12-02 | 2016-02-17 | 青岛天人环境股份有限公司 | Fast-assembly modularized waste heat utilization device for biogas projects and method thereof |
| CN205258457U (en) * | 2015-12-02 | 2016-05-25 | 青岛天人环境股份有限公司 | Biogas engineering fast -assembling modularization waste heat utilization equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110822438A (en) * | 2019-11-07 | 2020-02-21 | 光大环保技术研究院（南京）有限公司 | Waste incineration power generation system and method |
| CN110822438B (en) * | 2019-11-07 | 2021-10-26 | 光大环保技术研究院（南京）有限公司 | Waste incineration power generation system and method |
| CN112266851A (en) * | 2020-10-28 | 2021-01-26 | 浙江天地环保科技股份有限公司 | Efficient heat recycling system and method for coupling biogas engineering and biogas slurry thermal hydrolysis engineering |
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