CN202078852U - Treatment system for high-temperature biomass smoke - Google Patents

Treatment system for high-temperature biomass smoke Download PDF

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CN202078852U
CN202078852U CN2010206734913U CN201020673491U CN202078852U CN 202078852 U CN202078852 U CN 202078852U CN 2010206734913 U CN2010206734913 U CN 2010206734913U CN 201020673491 U CN201020673491 U CN 201020673491U CN 202078852 U CN202078852 U CN 202078852U
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flue gas
temperature
biomass
micro
culturing microalgae
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李京陆
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    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract

The utility model provides a treatment system for high-temperature biomass smoke, which aims to resolve the problem of carbon discharge in high-temperature biomass smoke and comprises a smoke tube, a microalgae aquaculture device and a plurality of branch tubes. One end of the smoke tube is connected with a smoke outlet of a biomass combustion furnace, the other end of the smoke tube is connected with the microalgae aquaculture device and used for delivering high-temperature biomass smoke generated by the biomass combustion furnace to the microalgae aquaculture device, the microalgae aquaculture device comprises a microalgae aquaculture greenhouse, microalgae aquaculture pond liquid in the greenhouse is used for microalgae aquaculture, the branch tubes are arranged in the microalgae aquaculture device, one end of each branch tube is connected with the smoke tube while the other end of each branch tube leads into the microalgae aquaculture pond liquid, the high-temperature biomass smoke which is delivered to the microalgae aquaculture device leads to the microalgae aquaculture pond liquid via the branch tubes, CO2 rich in the high-temperature biomass smoke is dissolved in the microalgae aquaculture pond liquid, and microalgae aquaculture is realized. The treatment system can turn harm into good when treating the high-temperature biomass smoke, and fundamentally changes treatment to biomass smoke.

Description

A kind of treatment system of biomass high-temperature flue gas
Technical field
The utility model relates to the flue gas treatment technology, particularly relates to a kind of treatment system of biomass high-temperature flue gas.
Background technology
The world today, environmental pollution increasingly sharpens, and environmental protection has become the important component part of national economy sustainable development.Living beings are valuable regenerative resources as the byproduct of farm-forestry crop.Biomass power generation will make the farm-forestry crop discarded object become reproducible energy resources and be fully utilized, and for increasing farmers' income, change China's energy resource structure when saving coal resources, and it is significant to reduce the open incineration pollution on the environment.
But the biomass high-temperature flue gas of biomass power generation generation at present has been discharged in the atmosphere all as exhaust-gas treatment, owing to contain great amount of carbon dioxide (CO in the flue gas 2), cause CO in the atmosphere 2Concentration constantly increase and CO 2The increase of gas can cause greenhouse effects again, and then global climate is exerted an influence.
In order to tackle Global climate change, energy-saving and emission-reduction are advocated in the whole world, low-carbon economy, and row is carried on the back in a large amount of dischargings of all kinds of burning power plant and biomass electric power plant high-temperature flue gas with it.At present, capture CO in the various waste gas 2Be to reduce CO 2One of effective means of discharging, described carbon capture and seal up for safekeeping (Carbon Capture andStorage, abbreviation CCS) and be meant the CO that big power station is produced 2Collect, and in all sorts of ways and store to avoid it to be discharged into a kind of technology in the atmosphere.This technology is considered to following extensive minimizing greenhouse gas emission, slows down the most feasible method of global warming, but present carbon trapping technique cost is all higher, does not also have economy and technology effective capture method simultaneously.
Therefore, the technical problem of being badly in need of at present solving is: how to handle the large number of biological matter high-temperature flue gas that biomass fermentation power plant produces, and effectively capture the CO in the biomass high-temperature flue gas under the simultaneously feasible situation of economy and technology 2Thereby, reduce the carbon emission in the biomass high-temperature flue gas, reduce environmental pollution.
The utility model content
The utility model provides a kind of treatment system of biomass high-temperature flue gas, to solve the carbon emission problem in the biomass high-temperature flue gas.
In order to address the above problem, the utility model discloses a kind of treatment system of biomass high-temperature flue gas, it is characterized in that, comprising:
Flue, an end of described flue links to each other with smoke place of biomass combustion stove, and the other end links to each other with the both culturing microalgae device, is used for the biomass high-temperature flue gas that the biomass combustion stove produces is transported to the both culturing microalgae device;
The both culturing microalgae device comprises the both culturing microalgae booth, is provided with micro-algae culture pond liquid in the canopy and is used for both culturing microalgae;
A plurality of arms are arranged in the both culturing microalgae device, and an end of each arm links to each other with described flue, and the other end feeds in the micro-algae culture pond liquid;
The described biomass high-temperature flue gas that is transported to the both culturing microalgae device feeds in the micro-algae culture pond liquid CO that is rich in the described biomass high-temperature flue gas by described a plurality of arms 2Dissolving and carry out both culturing microalgae in micro-algae culture pond liquid.
Preferably, the tube wall that described a plurality of arms feed micro-algae culture pond liquid part is provided with a plurality of holes, and the biomass high-temperature flue gas that is used for feeding micro-algae culture pond liquid cuts into bubble.
Preferably, described system also comprises: residual heat using device, the biomass high-temperature flue gas that is used for 50 ℃～80 ℃ is blown into the both culturing microalgae booth, also is used for the biomass high-temperature flue gas more than 80 ℃ is introduced the floor heating device of both culturing microalgae booth.
Preferably, described system also comprises: attemperating unit, be used for the temperature of the biomass high-temperature flue gas that is transported to the both culturing microalgae device is controlled, and the temperature of micro-algae culture pond liquid is controlled in 20 ℃～35 ℃ scopes.
Preferably, described flue is two, wherein first flue in the position of smoke place than second flue away from described biomass combustion stove, the biomass high-temperature flue gas temperature that described first flue is carried is lower than the biomass high-temperature flue gas temperature that described second flue is carried, and selects one of them flue to carry the biomass high-temperature flue gas of different temperatures according to seasonal variations.
Compared with prior art, the utlity model has following advantage:
At first, the utility model proposes a kind of treatment system of biomass high-temperature flue gas, creatively the biomass high-temperature flue gas that biomass fermentation power plant is produced feeds in the micro-algae culture pond liquid and dissolves, and can fully capture the CO in the flue gas 2, and utilize the CO that captures 2Produce little algae, solved CO 2The problem of discharging.And, because the CO that is rich in the biomass high-temperature flue gas 2Concentration is higher than traditional NaHCO far away 3The CO that produces 2, it is dissolved in the micro-algae culture pond liquid comes cultivating microalgae, can replace traditional NaHCO fully 3Cultural method greatly reduces the both culturing microalgae cost, and therefore this carbon capture method is feasible fully economically.In sum, the utility model not only can not be discharged into a large amount of biomass high-temperature flue gas in the atmosphere, can also utilize little algae to capture the CO that is rich in the flue gas 2Carry out little algae and produce, so the utility model compares with prior biological matter high-temperature flue gas processing mode, the processing of biomass high-temperature flue gas can be turned harm into good, fundamentally changed the processing of power plant biomass high-temperature flue gas.
Secondly, the utility model has solved biomass high-temperature flue gas in the actual production is dissolved in micro-algae culture pond liquid with high-dissolvability technological difficulties, concrete solution is: the pH value of configuration micro-algae culture pond liquid is in 8～11 scopes, especially be the best with about 10.5 (10.5 ± 0.5 scopes), be aided with flue gas simultaneously and be divided into bubble and dissolve, can make CO 2Dissolving reach maximum, thereby effectively captured CO 2Therefore the utility model has really been realized CO 2Effective capture.
Once more, the utility model can also utilize the waste heat of biomass high-temperature flue gas to produce little algae according to changes of seasons, when spring, autumn, three season of winter, ambient temperature was low, flue gas can be divided three the tunnel to feed: the one tunnel directly feeds in the micro-algae culture pond liquid, and the liquid temp of going into of flue gas is controlled in 20 ℃～50 ℃ scopes; One the tunnel is blown in the both culturing microalgae booth, and flue-gas temperature is controlled at about 50 ℃～80 ℃; Also have a pass to go in the interior floor heating device of booth, flue-gas temperature is controlled at more than 80 ℃.By this UTILIZATION OF VESIDUAL HEAT IN mode, the temperature of micro-algae culture pond liquid is controlled in the scope of suitable micro algae growth (20 ℃～35 ℃), prolonged the production cycle of little algae, the single cropping joint is produced become and produced in the anniversary, reached the maximization of output.
At last, because biomass high-temperature flue gas also contains NO, NO 2, K 2The composition of multiple fertilizer character such as O, after in the described biomass high-temperature flue gas feeding micro-algae culture pond liquid, these remove CO 2Outside composition also can be used as the nutrient of micro algae growth, greatly reduce fertilizer cost.
Description of drawings
Fig. 1 is the described schematic flow sheet that utilizes biomass high-temperature flue gas to produce little algae of the utility model embodiment;
Fig. 2 is CO among the utility model embodiment 2The circulation schematic diagram;
Fig. 3 is the structure chart of the described a kind of biomass high-temperature flue gas treatment system of the utility model embodiment.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Reducing carbon emission, carrying out low-carbon economy is the problem that the whole world is paid close attention to, the utility model is a starting point with this target, owing to found that the biomass electric power plant flue gas for the comprehensive nutrient effect of plant specific, proposes a kind of feasible, effective solution, utilized little algae to capture CO 2, the biomass high-temperature flue gas that biomass fermentation power plant produces (can be rich in CO 2) turn bane into boon, realize energy-saving and emission-reduction truly.
Thinking of the present utility model is as follows:
Little algae is a kind of water plant, and little algae comprises a plurality of kinds such as spirulina, chlorella, scenedemine, Closterium.The basic principle of cultivating microalgae is: absorb CO by photosynthesis under the proper temperature condition 2And other nutrients are grown in water body.Under traditional breeding way, the CO that micro algae growth is required 2Be mainly derived from water-soluble NaHCO 3, small part derives from the CO in the atmosphere in addition 2, so this use NaHCO 3The CO that produces 2As existing application of the fertile cultivating microalgae of gas, but be to use biomass thermal electricity flue gas cultivating microalgae still not have the first.And the utility model is just according to the basic principle of above micro algae growth, and the notion that breaks traditions and culture creatively proposes to utilize little algae to capture CO in the biomass high-temperature flue gas 2
Below the utility model is recently analyzed realization feasibility of the present utility model mutually with traditional both culturing microalgae method:
Under the tradition breeding way, NaHCO 3Be the high energy consumption product of consumption of natural resource, and the CO in the atmosphere 2Concentration generally only is 300PPM, and the little algae output and the quality that make tradition culture in actual production are all lower; But, CO in the biomass high-temperature flue gas that biomass fermentation power plant produces 2Concentration is up to 9000PPM, and the CO in the flue gas 2Very pure, and overflow CO after flue gas is dissolved in micro-algae culture pond liquid 2Concentration is 4500PPM, because the CO that overflows 2Be stored in the both culturing microalgae canopy, can continue to make the photosynthesis of former gas-water interface to strengthen greatly, thereby make the output of unit are increase by one times.Therefore, the utility model can replace NaHCO fully 3Produce little algae, yield and quality all has raising, has very big actual production meaning.
Below will specify how to realize CO in the biomass high-temperature flue gas in the actual production by embodiment 2Effective capture.
With reference to Fig. 1, be the described schematic flow sheet that utilizes biomass high-temperature flue gas to produce little algae of the utility model embodiment.
Step 101 is exported the biomass high-temperature flue gas that the biomass combustion stove produces;
Biomass fermentation power plant generates electricity by the various biological materials that burn, and the combustion furnace in power plant produces a large amount of biomass high-temperature flue gas in combustion process, and these high-temperature flue gas can be used for both culturing microalgae after combustion furnace is discharged.
Preferred steps 102 is carried out the particle dedusting to the biomass high-temperature flue gas of exporting;
Though the flue gas that the combustion furnace of biomass fermentation power plant is discharged carried out dust removal process according to relevant national standard, but still contain many particles in the flue gas after the dedusting, though these particles are produced harmless to little algae, but the long-time flue that stops up step 103 setting easily, therefore present embodiment carries out dust removal process to the biomass high-temperature flue gas that meets national standard once more, and its purpose mainly is the particle that filters in the flue gas.
Step 103 is drawn flue from the smoke of biomass combustion stove, is transported to the both culturing microalgae district by the biomass high-temperature flue gas of described flue after with dedusting;
Smoke place of described biomass combustion stove typically refers to the flue that links to each other with combustion furnace that the power plant is provided with, and this flue is used for the biomass high-temperature flue gas after combustion furnace output and dedusting is discharged into atmosphere.Present embodiment will be provided with the flue that connects power plant flue and both culturing microalgae district, be used for the biomass high-temperature flue gas of power plant flue is transported to the both culturing microalgae district.
Preferably,, can pressure fan be set, be blown into the biomass high-temperature flue gas in the power plant flue in the flue and be transported to the both culturing microalgae district by pressure fan at the fume pipe road junction that links to each other with the power plant flue in order to increase the power that flue gas is carried.
Preferably, present embodiment not only can utilize the CO that is rich in the biomass high-temperature flue gas 2Carry out both culturing microalgae, also because these flue-gas temperatures are very high, the waste heat that can utilize high-temperature gas to produce extends manufacture cycle, but because ambient temperature did not higherly need to utilize fume afterheat and spring, autumn, three season of winter need utilize waste heat when ambient temperature is low summer, for this reason, present embodiment is provided with two at the power plant flue and gets smoke point, and one is that high temperature is got smoke point, get the cigarette temperature about 200 ℃, the flue gas of getting is used for spring, autumn, uses in three seasons of winter; Another is that middle temperature is got smoke point, gets the cigarette temperature about 150 ℃, and the flue gas of getting is used for using summer.The specific implementation method is: at each position of getting smoke point flue is set respectively, wherein the warm flue of getting smoke point is called first flue in the correspondence, and the flue that corresponding high temperature is got smoke point is called second flue.Because temperature was the highest when the flue gas in the power plant flue export from combustion furnace, and along with the transmission temperature of flue reduces gradually, thus described first flue in the position of smoke place than second flue away from described combustion furnace.Along with changes of seasons, can select one of them flue to carry the biomass high-temperature flue gas of different temperatures, be transported to the both culturing microalgae district as open the flue gas that first flue gets about 150 ℃ summer from the power plant flue, close second flue; And spring, autumn, three seasons of winter open second flue and carry about 200 ℃ flue gas when ambient temperature is low, close first flue.
Step 104 feeds in the micro-algae culture pond liquid CO that is rich in the described biomass high-temperature flue gas with the described biomass high-temperature flue gas that is transported to the both culturing microalgae district 2Dissolving and carry out both culturing microalgae in micro-algae culture pond liquid.
Described both culturing microalgae district is provided with the both culturing microalgae booth, is provided with micro-algae culture pond in the canopy again, holds both culturing microalgae liquid in the pond and is used for cultivating microalgae.Described micro-algae culture pond liquid is selected alkalies for use, and this is because of CO under the normal temperature and pressure 2Water solubility is less than 1%, but in akaline liquid CO 2Solubility increase with the increase of pH value, therefore can regulate the pH value of described micro-algae culture pond liquid in 8～11 scopes, and when the pH value of configuration spirulina breeding liquid is about 10.5 (10.5 ± 0.5 scopes, promptly up-down error can not surpass 0.5), can reach maximum solubility.
In the present embodiment, the concrete grammar that biomass high-temperature flue gas is fed micro-algae culture pond liquid is: a plurality of arms are set link to each other with described flue, after biomass high-temperature flue gas is sent to the both culturing microalgae district by described flue, continue to feed in the micro-algae culture pond liquid by a plurality of arms.After biomass high-temperature flue gas enters micro-algae culture pond liquid, the CO that under photosynthesis, is rich in the flue gas 2Be dissolved in the liquid, promote the micro algae growth in the liquid.
Preferably, at above-mentioned CO 2In the process of dissolving, because the overflow speed of gas in liquid is relevant with the size of gas volume, therefore present embodiment is in order to increase solubility, after flue gas enters micro-algae culture pond liquid, by flue gas being cut into the contact area that bubble increases gas and liquid, thereby reduce the overflow speed of flue gas in micro-algae culture pond liquid, and then improve CO 2Solubility.The flue gas cutting method that present embodiment adopts is: the tube wall that feeds micro-algae culture pond liquid part at described a plurality of arms is provided with a plurality of holes, and the biomass high-temperature flue gas that will feed micro-algae culture pond liquid by described a plurality of holes cuts into bubble.Certainly, also can adopt other gas cutting method, finally reaching increases gas and the long-pending purpose of liquid contact surface, and present embodiment is not done qualification at this.
In actual applications, if the pH value of micro-algae culture pond liquid is configured in (10.5 ± 0.5 scopes) about 10.5, the flue gas that will feed micro-algae culture pond liquid simultaneously cuts into bubble, CO 2Solubility at micro-algae culture pond liquid can reach more than 50%, can replace NaHCO of the prior art fully 3And the flue gas that overflows for not dissolving, present embodiment is not done to get rid of and is handled, but holds it in the booth, makes it further finish photosynthesis at gas-water interface, increases CO 2Capture rate.
In addition, the growth of little algae also needs the temperature that suits, and in 20 ℃～35 ℃ scopes, wherein daytime, maximum temperature can not surpass 35 ℃ usually, and night, minimum temperature can not be lower than 20 ℃.Therefore the temperature of micro-algae culture pond liquid also need maintain in 20 ℃～35 ℃ scopes in the micro-algae culture pond.Because the biomass high-temperature flue gas temperature that biomass fermentation power plant discharges is very high, therefore present embodiment can utilize the high temperature of flue gas to keep the pond temperature, concrete grammar is: the liquid temp of going into that will feed the biomass high-temperature flue gas of micro-algae culture pond liquid is controlled in 20 ℃～50 ℃ scopes, thereby the temperature that makes micro-algae culture pond liquid is controlled in 20 ℃～35 ℃ scopes, describedly goes into liquid temp and can regulate according to the variation of four seasons environment.
Preferably,, and change to temperature and be not suitable for growth when low, so the waste heat that present embodiment can also make full use of biomass high-temperature flue gas prolongs the production cycle of little algae, increase output when season because the suitable growth temperature of little algae is higher.For example in spring, autumn, three seasons of winter temperature lower in, except going into liquid temp is controlled in 20 ℃～50 ℃ scopes with biomass high-temperature flue gas, biomass high-temperature flue gas about 50 ℃～80 ℃ can be blown in the both culturing microalgae booth, make the canopy temperature control in 20 ℃～50 ℃ scopes, thereby the temperature of micro-algae culture pond liquid is controlled in 20 ℃～35 ℃ scopes; And, can also be with the floor heating device of the introducing of the biomass high-temperature flue gas more than 80 ℃ both culturing microalgae booth, this floor heating device also can make the temperature of micro-algae culture pond liquid be controlled in 20 ℃～35 ℃ scopes.
In sum, when ambient temperature is low, can be in conjunction with above-mentioned various temperature control methods, the biomass high-temperature flue gas that is transported to the both culturing microalgae district is divided into three the tunnel by attemperating unit to feed: a plurality of arms of leading up to directly feed in the micro-algae culture pond liquid, and the liquid temp of going into of flue gas is controlled in 20 ℃～50 ℃ scopes; One the tunnel is blown in the both culturing microalgae booth, and flue-gas temperature is controlled at about 50 ℃～80 ℃; Also have a pass to go in the interior floor heating device of booth, flue-gas temperature is controlled at more than 80 ℃.This method that makes full use of fume high-temperature, realized the continuous control of micro-algae culture pond and canopy temperature optimum temperature, made photosynthesis reach maximization, thereby made the production capacity of little algae reach maximization, the single cropping joint is produced become anniversary production, reached the maximization of output.
Preferably, in the biomass high-temperature flue gas except being rich in CO 2, also contain NO, NO 2, K 2The composition of multiple fertilizer character such as O, after in the described biomass high-temperature flue gas feeding micro-algae culture pond liquid, these remove CO 2Outside composition also can be used as the nutrient of micro algae growth.Evidence, the use biomass high-temperature flue gas can reduce the fertilizer amount about 50%, and therefore described biomass high-temperature flue gas still is the comprehensive raw material supply source that little algae produces.
In a word, by above flow process shown in Figure 1 as can be known, the utility model has not only solved the difficult problem that biomass fermentation power plant discharges biomass high-temperature flue gas in a large number, fundamentally changed the processing of power plant to biomass high-temperature flue gas, a kind of new little algae mode of production is also proposed simultaneously, realized significantly improving of little algae output improving under the prerequisite of little algae quality, thus the utility model to handle at carbon emission be a kind of effective means of turning harm into good.
In addition, what is more important, the carbon capture method that the utility model proposes makes CO 2Constitute an organic closed circulation body in natural circulation, so the utility model is a kind of technological innovation of tackling Global climate change.Below by Fig. 2 explanation that makes an explanation.
With reference to Fig. 2, be CO 2The circulation schematic diagram.
1) contains CO in the atmosphere 2, various living beings such as the trees of occurring in nature, crops are by the CO in the photosynthesis absorption atmosphere 2
2) biomass fermentation power plant utilizes living beings such as crops to generate electricity CO 2Shift;
3) burning of biomass fermentation power plant produces the thermoelectric flue gas of large number of biological matter, utilizes and is rich in CO 2The thermoelectric flue gas cultivating microalgae of living beings, also have small part to contain CO in addition 2Flue gas enter atmosphere;
4) utilize little algae of culturing to produce various seaweed foods;
5) seaweed food offers people, animal edible;
6) excreta of people, animal edible seaweed food enters the soil and decomposes;
7) various living beings absorb nutrient, CO from the soil 2Utilized by living beings again.
According to 1) to 6) process circulation, CO 2Taking from nature and turn back to nature again, can also promote the well-being of mankind in cyclic process, is a kind of very optimum closed circulation therefore.
Based on above content, the utility model embodiment also provides a kind of treatment system of biomass high-temperature flue gas.With reference to Fig. 3, be the structure chart of the described a kind of biomass high-temperature flue gas treatment system of the utility model embodiment.
Described treatment system mainly comprises:
Flue 31, an end of described flue 31 links to each other with smoke place of biomass combustion stove, and the other end links to each other with both culturing microalgae device 32, is used for the biomass high-temperature flue gas that the biomass combustion stove produces is transported to both culturing microalgae device 32;
Both culturing microalgae device 32 comprises the both culturing microalgae booth, is provided with micro-algae culture pond liquid in the canopy and is used for both culturing microalgae;
A plurality of arms 33 are arranged in the both culturing microalgae device 32, and an end of each arm 33 links to each other with described flue 31, and the other end feeds in the micro-algae culture pond liquid;
The described biomass high-temperature flue gas that is transported to both culturing microalgae device 32 feeds in the micro-algae culture pond liquid CO that is rich in the described biomass high-temperature flue gas by described a plurality of arms 33 2Dissolving and carry out both culturing microalgae in micro-algae culture pond liquid.
Preferably, the tube wall that described a plurality of arm feeds micro-algae culture pond liquid part is provided with a plurality of holes, the biomass high-temperature flue gas that is used for feeding micro-algae culture pond liquid cuts into bubble, so just can increase the contact area of flue gas and liquid, thereby reduce the overflow speed of flue gas in micro-algae culture pond liquid, and then improve CO 2Solubility.
Preferably, in order to increase the solubility of flue gas, the pH value of described micro-algae culture pond liquid is configurable in 8～11 scopes, especially with about 10.5 (10.5 ± 0.5 scopes) the best.
Preferably, described treatment system can also comprise attemperating unit 34, be used for the temperature of the biomass high-temperature flue gas that is transported to both culturing microalgae device 32 is controlled, thereby the temperature of micro-algae culture pond liquid is controlled in the scope of suitable micro algae growth, be generally 20 ℃～35 ℃.Concrete, described attemperating unit 34 can be controlled at the liquid temp of going into that feeds the biomass high-temperature flue gas of micro-algae culture pond liquid in 20 ℃～50 ℃ scopes, the biomass high-temperature flue gas temperature that is blown into the both culturing microalgae booth is controlled at 50 ℃～80 ℃, the biomass high-temperature flue gas temperature of introducing both culturing microalgae inner greenhouse ground heater device is controlled at more than 80 ℃.
Preferably, in order to prolong little algae production cycle, described treatment system can also comprise residual heat using device 35, and the biomass high-temperature flue gas that is used for 50 ℃～80 ℃ is blown into the both culturing microalgae booth, also is used for the biomass high-temperature flue gas more than 80 ℃ is introduced the floor heating device of both culturing microalgae booth.
Preferably, produce in order to carry out little algae throughout the year, described flue can be provided with two, wherein first flue in the position of smoke place than second flue away from described biomass combustion stove, the biomass high-temperature flue gas temperature (about 150 ℃) that therefore described first flue is carried is lower than the biomass high-temperature flue gas temperature (about 200 ℃) that described second flue is carried.According to changes of seasons, can select one of them flue to carry the biomass high-temperature flue gas of different temperatures, for example open the flue gas that first flue gets about 150 ℃ summer and be transported to the both culturing microalgae district from the power plant flue, close second flue; And spring, autumn, three seasons of winter open second flue and carry about 200 ℃ flue gas when ambient temperature is low, close first flue.Being provided with of described two flues can solve the problem that need use waste heat other three seasons without fume afterheat summer.
In sum, above-mentioned treatment system has realized CO 2Effective capture, not only handled the large number of biological matter high-temperature flue gas that biomass fermentation power plant produces, also realized a kind of new both culturing microalgae mode, greatly reduce the both culturing microalgae cost, therefore this carbon capture method is feasible fully economically.
This paper need to prove, in this article, relational terms such as first and second grades only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have the relation of any this reality or in proper order between these entities or the operation.
More than to the treatment system of a kind of biomass high-temperature flue gas provided by the utility model, be described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.

Claims (5)

1. the treatment system of a biomass high-temperature flue gas is characterized in that, comprising:
Flue, an end of described flue links to each other with smoke place of biomass combustion stove, and the other end links to each other with the both culturing microalgae device, is used for the biomass high-temperature flue gas that the biomass combustion stove produces is transported to the both culturing microalgae device;
The both culturing microalgae device comprises the both culturing microalgae booth, is provided with micro-algae culture pond liquid in the canopy and is used for both culturing microalgae;
A plurality of arms are arranged in the both culturing microalgae device, and an end of each arm links to each other with described flue, and the other end feeds in the micro-algae culture pond liquid;
The described biomass high-temperature flue gas that is transported to the both culturing microalgae device feeds in the micro-algae culture pond liquid CO that is rich in the described biomass high-temperature flue gas by described a plurality of arms 2Dissolving and carry out both culturing microalgae in micro-algae culture pond liquid.
2. treatment system according to claim 1 is characterized in that:
The tube wall that described a plurality of arm feeds micro-algae culture pond liquid part is provided with a plurality of holes, and the biomass high-temperature flue gas that is used for feeding micro-algae culture pond liquid cuts into bubble.
3. treatment system according to claim 1 is characterized in that, also comprises:
Residual heat using device, the biomass high-temperature flue gas that is used for 50 ℃～80 ℃ is blown into the both culturing microalgae booth, also is used for the biomass high-temperature flue gas more than 80 ℃ is introduced the floor heating device of both culturing microalgae booth.
4. treatment system according to claim 3 is characterized in that, also comprises:
Attemperating unit is used for the temperature of the biomass high-temperature flue gas that is transported to the both culturing microalgae device is controlled, and the temperature of micro-algae culture pond liquid is controlled in 20 ℃～35 ℃ scopes.
5. treatment system according to claim 1 is characterized in that:
Described flue is two, wherein first flue in the position of smoke place than second flue away from described biomass combustion stove, the biomass high-temperature flue gas temperature that described first flue is carried is lower than the biomass high-temperature flue gas temperature that described second flue is carried, and selects one of them flue to carry the biomass high-temperature flue gas of different temperatures according to seasonal variations.
CN2010206734913U 2010-12-13 2010-12-13 Treatment system for high-temperature biomass smoke Expired - Lifetime CN202078852U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102172473A (en) * 2010-12-13 2011-09-07 李京陆 Biomass high-temperature smoke treatment method and system
CN106085866A (en) * 2016-08-12 2016-11-09 广东海融环保科技有限公司 A kind of method directly utilizing coal-burning power plant's discharge flue gas large-scale farming microalgae
CN106982676A (en) * 2017-03-14 2017-07-28 新奥泛能网络科技股份有限公司 A kind of energy supplying system
CN107142197A (en) * 2017-06-23 2017-09-08 四川省天惠能源科技有限公司 A kind of biogas microalgae joint ecological treatment system and its application
CN108994048A (en) * 2018-07-11 2018-12-14 上海藻富能源科技有限公司 Town ecological environment self-healing system
CN106085866B (en) * 2016-08-12 2019-07-16 广东海融环保科技有限公司 A kind of direct method using coal-burning power plant's discharge flue gas large-scale farming microalgae

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102172473A (en) * 2010-12-13 2011-09-07 李京陆 Biomass high-temperature smoke treatment method and system
CN102172473B (en) * 2010-12-13 2013-05-29 李京陆 Biomass high-temperature smoke treatment method and system
CN106085866A (en) * 2016-08-12 2016-11-09 广东海融环保科技有限公司 A kind of method directly utilizing coal-burning power plant's discharge flue gas large-scale farming microalgae
CN106085866B (en) * 2016-08-12 2019-07-16 广东海融环保科技有限公司 A kind of direct method using coal-burning power plant's discharge flue gas large-scale farming microalgae
CN106982676A (en) * 2017-03-14 2017-07-28 新奥泛能网络科技股份有限公司 A kind of energy supplying system
CN107142197A (en) * 2017-06-23 2017-09-08 四川省天惠能源科技有限公司 A kind of biogas microalgae joint ecological treatment system and its application
CN108994048A (en) * 2018-07-11 2018-12-14 上海藻富能源科技有限公司 Town ecological environment self-healing system

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