CN111687182B - Carbon dioxide zero-emission type system for energy utilization of organic waste - Google Patents

Carbon dioxide zero-emission type system for energy utilization of organic waste Download PDF

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CN111687182B
CN111687182B CN202010573882.6A CN202010573882A CN111687182B CN 111687182 B CN111687182 B CN 111687182B CN 202010573882 A CN202010573882 A CN 202010573882A CN 111687182 B CN111687182 B CN 111687182B
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carbon dioxide
gas
organic
anaerobic fermentation
reaction
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CN111687182A (en
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颜绢英
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Hunan Katie Engineering Technology Co.,Ltd.
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Hunan Katie Engineering Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/02—Biological treatment
    • C02F11/04—Anaerobic treatment; Production of methane by such processes
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00—Other inorganic fertilisers
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/10—Solid or semi-solid fertilisers, e.g. powders
    • C05G5/12—Granules or flakes
    • 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
    • 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
    • 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
    • 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
    • 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
    • C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
    • C12M47/18—Gas cleaning, e.g. scrubbers; Separation of different gases
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
    • C12P5/02—Preparation of hydrocarbons or halogenated hydrocarbons acyclic
    • C12P5/023—Methane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F23G5/46—Recuperation of heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/10—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of field or garden waste or biomasses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/80—Shredding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00—Waste heat recuperation
    • F23G2206/20—Waste heat recuperation using the heat in association with another installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00—Specific waste
    • F23G2209/26—Biowaste
    • F23G2209/262—Agricultural waste
    • 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
    • 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
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    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/20—Waste processing or separation

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Abstract

The invention discloses a carbon dioxide zero-emission type system for energy utilization of organic waste, which belongs to the technical field of waste treatment and comprises the following steps: the crusher is used for crushing crop straws; the high-temperature combustion furnace is used for realizing high-temperature sealed incineration of crop straws and excrement; the first air pump is connected with the air outlet of the high-temperature combustion furnace through a pipeline and is used for pumping out the gas burnt in the high-temperature combustion furnace; the first gas separation system is connected with the exhaust port of the first air pump through a pipeline and is used for realizing gas separation; the invention is convenient for reasonably preparing carbon dioxide and hydrogen by burning, and utilizes the carbon dioxide and the hydrogen to generate methane under the action of high temperature and catalyst, thereby realizing zero emission of carbon dioxide.

Description

Carbon dioxide zero-emission type system for energy utilization of organic waste
Technical Field
The invention relates to the technical field of waste treatment, in particular to a carbon dioxide zero-emission type organic waste energy utilization system.
Background
Organic waste refers to solid, liquid or gaseous organic substances and substances produced in production, life and other activities that lose their original value of use or are discarded or discarded without losing their value of use. According to morphological division, organic wastes mainly comprise organic solid wastes, organic wastewater and organic waste gas, and crop straws and excrement are the most common organic wastes in rural areas.
The authorization publication number 'CN 101920258B' discloses a carbon dioxide zero-emission type energy utilization system for organic wastes, which organically combines anaerobic fermentation hydrogen production, biogas fermentation, CO2 absorption, microalgae fixation of CO2, biogas slurry treatment and energy grass planting. The system is suitable for treating various types of organic wastes, can be applied to the treatment of agricultural organic wastes, industrial organic wastes, domestic organic wastes, sludge and the like and the industries of new energy development and the like, can realize the specific application demonstration of circular economy by applying the system, can obtain clean energy while eliminating environmental pollution, has no greenhouse gas emission in the process, and can realize the triple effects of waste treatment, clean and renewable energy production and carbon dioxide emission reduction.
The mode of open-air incineration is mainly utilized in rural areas, the mode has overlarge pollution to the environment, a large amount of carbon dioxide and hydrogen can be generated in the incineration process, and the problem that how to realize zero emission of the carbon dioxide on the basis of sealed incineration is needed to be solved is solved.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a carbon dioxide zero-emission type organic waste energy utilization system, which is convenient for reasonably preparing carbon dioxide and hydrogen through incineration and utilizing the carbon dioxide and the hydrogen to generate methane under the action of high temperature and a catalyst, thereby realizing the carbon dioxide zero emission, and simultaneously, reasonably utilizing the anaerobic fermentation mode, utilizing the principle that the carbon dioxide reacts with a calcium hydroxide solution to generate calcium carbonate precipitate, realizing the carbon dioxide zero emission and reasonably utilizing resources.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
a system for recycling carbon dioxide zero-emission organic waste comprises:
the crusher is used for crushing crop straws;
the high-temperature combustion furnace is used for realizing high-temperature sealed incineration of crop straws and excrement;
the first air pump is connected with the air outlet of the high-temperature combustion furnace through a pipeline and is used for pumping out the gas burnt in the high-temperature combustion furnace;
the first gas separation system is connected with the exhaust port of the first air pump through a pipeline and is used for realizing gas separation;
a second air pump connected with the carbon dioxide exhaust port and the hydrogen exhaust port of the first gas separation system through pipelines;
the catalytic reaction system is connected with the exhaust port of the second air pump through a pipeline;
the system comprises a first solar heat collector arranged on the outer side of the catalytic reaction system and a heat energy power generation system electrically connected with the first solar heat collector, and is used for generating power by using the waste heat generated in the catalytic reaction process of the catalytic reaction system;
the organic anaerobic fermentation chamber is used for realizing anaerobic fermentation of crop straws and excrement, and the high-temperature combustion furnace is arranged outside the organic anaerobic fermentation chamber;
the third air pump is connected with the exhaust port of the organic anaerobic fermentation chamber through a pipeline and is used for pumping out the gas fermented in the organic anaerobic fermentation chamber;
the second gas separation system is connected with the exhaust port of the third gas pump through a pipeline and is used for realizing gas separation;
the desulfurization and purification system is arranged at a biogas exhaust port of the second gas separation system;
the calcium hydroxide reaction tank is arranged at a carbon dioxide exhaust port of the second gas separation system;
the system comprises an organic anaerobic fermentation chamber, a first solar heat collector, a second solar heat collector, a heat energy power generation system and a waste heat power generation system, wherein the first solar heat collector is arranged at the outer side of the organic anaerobic fermentation chamber and is also electrically connected with the heat energy power generation system to realize waste heat power generation;
and a fourth air pump.
As a preferable aspect of the present invention, the catalytic reaction system includes:
a reaction cylinder;
a base arranged on the lower side of the reaction cylinder;
a water collecting tank arranged at the top of the base;
a plurality of first connecting rods arranged on the circumferential surface of the reaction cylinder and the circumferential surface of the base in an annular array;
the heating plate is arranged on the outer side of the first connecting rods;
a plurality of second connecting rods arranged between the inner wall of the heating plate and the plurality of first connecting rods;
the rotating disc arranged at the bottom of the reaction cylinder is rotated through the rotating component, and the rotating disc is in contact with the bottom of the reaction cylinder and can slide relatively;
the adjusting mechanism is arranged on the base and is also connected with the rotating assembly to realize the rotation of the rotating assembly;
the water holes are uniformly formed in the bottom of the rotary table and the bottom of the reaction cylinder, and when the water holes on the upper side and the water holes on the lower side are completely staggered, water leakage is avoided; when the water holes on the upper side and the water holes on the lower side are not completely staggered, water drainage is realized;
the gas inlet pipe, the gas outlet pipe and the feed inlet are arranged at the top of the reaction cylinder, the gas outlet of the second gas pump is connected with the gas inlet pipe through a pipeline to realize gas transmission, the fourth gas pump is connected with the gas outlet pipe through a pipeline, and the feed inlet is movably connected with a sealing cover plate;
the air pressure alarm mechanism is arranged on the reaction cylinder.
As a preferable aspect of the present invention, the rotating assembly includes:
the annular I-shaped slide rail is arranged on the circumferential surface of the reaction cylinder;
a plurality of third connecting rods arranged on the circumferential surface of the turntable in an annular array;
the rotary table is arranged on the inner wall of the annular I-shaped sliding rail in a sliding mode, the plurality of balls are connected with the plurality of third connecting rods respectively, and the rotary table rotates under the action of the annular I-shaped sliding rail and the third connecting rods;
the rotating shaft is arranged at the center of the bottom of the rotary table and is rotatably connected with the lower inner wall of the water collecting tank through the rotating seat.
As a preferable aspect of the present invention, the adjusting mechanism includes:
the mounting seat is arranged at the top of the base;
the transmission shaft is rotatably arranged on the mounting seat;
the driving bevel gear and the rotating handle are respectively arranged at two end parts of the transmission shaft;
and the driven conical gear is arranged on the circumferential surface of the rotating shaft and is meshed with the driving conical gear to realize transmission.
As a preferable aspect of the present invention, the air pressure warning mechanism includes:
the air pressure detection probe is arranged on the circumferential surface of the reaction cylinder, and the detection probe of the air pressure detection probe penetrates through the reaction cylinder and extends to the inner side of the reaction cylinder;
the air pressure detection probe is electrically connected with the microcontroller, and an air pressure safety threshold is arranged in the microcontroller;
and the alarm is arranged at the top of the reaction cylinder.
As a preferable scheme of the present invention, the reaction cylinder is cylindrical, the interior of the reaction cylinder is a hollow structure, the reaction cylinder has a top and a bottom, and the heating plate is hollow cylindrical.
In a preferred embodiment of the present invention, the cross-sectional area of the water collection tank is larger than the area of the region formed by the plurality of rotating discs.
A carbon dioxide zero-emission type organic waste energy utilization method comprises the following steps:
s1, stirring and crushing: putting crop straws into a crusher, crushing the crop straws into powder with the particle size of less than 30mm, and preparing residues for later use;
s2, sealing and burning: putting part of the residue in a high-temperature combustion furnace, adding excrement into the high-temperature combustion furnace, fully burning, and preparing residual ash after burning;
s21, gas separation: starting a first air pump, fully pumping out gas generated by burning in the high-temperature combustion furnace, and conveying the gas into a first gas separation system to prepare carbon dioxide, hydrogen and other gases;
s22, catalytic reaction: rotating a rotating hand, rotating the rotating hand to drive a transmission shaft to rotate, rotating the transmission shaft to drive a driving conical gear to rotate, rotating the driving conical gear to drive a driven conical gear to rotate according to a transmission principle between the driving conical gear and the driven conical gear, so that the rotating shaft rotates, further enabling a turntable to do circular motion along the track of an annular I-shaped slide rail, enabling a plurality of water holes on the upper side and a plurality of water holes on the lower side to be completely staggered, opening a sealing cover plate, putting a proper amount of catalyst into a reaction cylinder, closing the sealing cover plate, starting a heating plate, heating for-min, starting a second air pump, pumping carbon dioxide and hydrogen into the reaction cylinder, enabling the carbon dioxide and the hydrogen to generate methane and water through a high-temperature catalysis principle, starting a fourth air pump after the reaction is completed, conveying the methane to a generator set, generating electricity, continuously rotating the rotating hand, enabling the plurality of water holes on the upper side and the plurality, discharging water, absorbing waste heat generated in the catalytic reaction process of the catalytic reaction system by a first solar heat collector, and generating power by a heat energy power generation system;
s23, utilization of residual ash: putting the residual ash, the organic residues and the fertilizer into a particle forming extruder to prepare an organic fertilizer which acts on crops;
s3, anaerobic fermentation: putting the other part of the residue into an organic anaerobic fermentation chamber, adding excrement into the organic anaerobic fermentation chamber, fully performing anaerobic fermentation, and simultaneously conveying the waste heat generated in the burning process of the high-temperature combustion furnace into the organic anaerobic fermentation chamber to provide good temperature for the organic anaerobic fermentation chamber, improve the fermentation speed of the organic anaerobic fermentation chamber and improve the fermentation efficiency of the organic anaerobic fermentation chamber;
s31, residual gas utilization: starting a third air pump, pumping out gas in the fermentation process of the organic anaerobic fermentation chamber and conveying the gas into a second gas separation system, separating methane, carbon dioxide and other gases by the second gas separation system, conveying the methane into a desulfurization purification system for desulfurization treatment, thus preparing methane and generating electricity; carbon dioxide is conveyed into a calcium hydroxide reaction tank to carry out chemical reaction to generate calcium carbonate precipitate and water, calcium hydroxide is remained in the calcium hydroxide reaction tank which is not completely reacted and forms lime milk with the water, and the lime milk is smeared on the surface of trees to protect against cold and sterilize;
s32, waste heat utilization: and the waste heat generated in the fermentation process of the organic anaerobic fermentation chamber is collected by the second solar heat collector and is used for generating power under the action of the heat energy power generation system.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the invention, by utilizing the chemical principle that carbon dioxide and hydrogen react to generate methane and water, high temperature is comprehensively provided for the catalytic reaction in the reaction cylinder through the heating plate, and the high temperature can be used for carrying out waste heat utilization for power generation.
(2) The method carries out chemical reaction on carbon dioxide generated in the anaerobic fermentation process, utilizes the reaction of the carbon dioxide and calcium hydroxide to prepare calcium carbonate precipitate, and the calcium hydroxide which is not completely reacted and water form lime cream which is smeared on the surface of trees to resist cold and sterilize, thereby realizing zero emission of the carbon dioxide.
(3) According to the invention, the waste heat generated in the fermentation process is transmitted to the organic anaerobic fermentation chamber, so that the fermentation efficiency is improved, the waste heat generated in the fermentation process is used for generating power, the energy is saved, the environment is protected, and the energy is effectively utilized.
(4) The invention mixes the residual ash generated by high-temperature incineration, the organic residue after anaerobic fermentation and fertilizer, and prepares the organic fertilizer by a particle forming extruder, thereby acting on crops.
Drawings
FIG. 1 is a system block diagram of a system for energy utilization of carbon dioxide zero-emission organic waste according to the present invention;
FIG. 2 is a first perspective view of a catalytic reaction system in the system for energy utilization of organic waste with zero emission of carbon dioxide according to the present invention;
FIG. 3 is a second perspective view of a catalytic reaction system in the system for energy utilization of organic waste with zero emission of carbon dioxide according to the present invention;
FIG. 4 is an enlarged view of the point A in FIG. 3 of the system for energy utilization of organic waste with zero emission of carbon dioxide according to the present invention;
fig. 5 is a third perspective view of a catalytic reaction system in the system for energy utilization of organic waste with zero emission of carbon dioxide according to the present invention.
The reference numbers in the figures illustrate:
1 pulverizer, 2 high-temperature combustion furnace, 3 first air pump, 4 first gas separation system, 5 second air pump, 6 generator set, 7 catalytic reaction system, 71 reaction cylinder, 72 base, 73 first connecting rod, 74 second connecting rod, 75 heating plate, 76 turntable, 77 water hole, 78 rotating shaft, 79 driven bevel gear, 710 mounting seat, 711 transmission shaft, 712 driving bevel gear, 713 rotating hand, 714 annular I-shaped sliding rail, 715 third connecting rod, 716 ball, 717 air inlet pipe, 718 alarm, 719 feed inlet, 720 air pressure detection probe, 721 microcontroller, 722 water collecting tank, 723 rotating seat, 724 air outlet pipe, 8 first solar thermal collector, 9 thermal power generation system, 10 organic anaerobic fermentation chamber, 11 second solar thermal collector, 12 third air pump, 13 second gas separation system, 14 calcium hydroxide reaction tank, 15 particle forming extruder, 16 desulfurization purification system, 17 a fourth air pump.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-5, a system for recycling carbon dioxide zero emission organic waste includes:
the crusher 1 is used for crushing crop straws;
the high-temperature combustion furnace 2 is used for realizing high-temperature sealed incineration of crop straws and excrement;
the first air pump 3 is connected with the air outlet of the high-temperature combustion furnace 2 through a pipeline and is used for pumping out the gas burned in the high-temperature combustion furnace 2;
the first gas separation system 4 is connected with an exhaust port of the first air pump 3 through a pipeline and is used for realizing gas separation;
a second air pump 5 connected to the carbon dioxide gas outlet and the hydrogen gas outlet of the first gas separation system 4 through pipes, for pumping out carbon dioxide and hydrogen gas;
a fourth air pump 17;
a catalytic reaction system 7 connected to an exhaust port of the second air pump 5 through a pipe, the catalytic reaction system 7 comprising: a reaction cylinder 71; a base 72 disposed on the lower side of the reaction cylinder 71; a water collecting tank 722 arranged on the top of the base 72, wherein the water collecting tank 722 is used for collecting water after reaction; a plurality of first connecting rods 73 fixedly arranged on the circumferential surface of the reaction cylinder 71 and the circumferential surface of the base 72 in an annular array, the plurality of first connecting rods 73 being used for well mounting and supporting the reaction cylinder 71; the heating plate 75 is arranged outside the first connecting rods 73, and the heating plate 75 provides required high temperature for catalytic reaction and has a heating function; a plurality of second connecting bars 74 fixedly disposed between the inner wall of the heating plate 75 and the plurality of first connecting bars 73, the plurality of second connecting bars 74 being used to mount the heating plate 75; the rotating disc 76 arranged at the bottom of the reaction cylinder 71 is rotated through the rotating assembly, the rotating disc 76 is in contact with the bottom of the reaction cylinder 71 and can slide relatively, and the rotating disc 76 can rotate; an adjusting mechanism disposed on the base 72, the adjusting mechanism further being connected to the rotating assembly to effect rotation thereof; a plurality of water holes 77 uniformly formed at the bottom of the turntable 76 and the bottom of the reaction cylinder 71, wherein when the plurality of water holes 77 positioned at the upper side and the plurality of water holes 77 positioned at the lower side are completely staggered, water leakage is prevented; when the plurality of water holes 77 located on the upper side and the plurality of water holes 77 located on the lower side are not completely misaligned, drainage is achieved; the gas inlet pipe 717, the gas outlet pipe 724 and the feed inlet 719 are arranged at the top of the reaction cylinder 71, a gas outlet of the second gas pump 5 is connected with the gas inlet pipe 717 through a pipeline to realize gas transmission, the fourth gas pump 17 is connected with the gas outlet pipe 724 through a pipeline, the feed inlet 719 is movably connected with a sealing cover plate gas inlet pipe 717 to realize the introduction of carbon dioxide and hydrogen, the gas outlet pipe 724 is used for realizing the discharge of methane, and the feed inlet 719 is used for realizing the addition of a catalyst; an air pressure alarm mechanism arranged on the reaction cylinder 71;
specifically, the rotating assembly includes: an annular I-shaped slide rail 714 fixedly arranged on the circumferential surface of the reaction cylinder 71; a plurality of third connecting rods 715 fixedly disposed in an annular array on the circumferential surface of the turntable 76; the plurality of balls 716 are slidably arranged on the inner wall of the annular I-shaped sliding rail 714, the plurality of balls 716 are respectively fixedly connected with the plurality of third connecting rods 715, and the rotary disc 76 rotates under the action of the annular I-shaped sliding rail 714 and the third connecting rods 715, so that the rotary disc 76 can do circular motion along the track of the annular I-shaped sliding rail 714; a rotating shaft 78 disposed at the center of the bottom of the rotating disc 76, the rotating shaft 78 being rotatably connected with the lower inner wall of the water collecting tank 722 through a rotating seat 723, it should be noted that: the reaction cylinder 71 is supported by the first connecting rod 73, the rotating disc 76 is only in contact with the reaction cylinder 71, and the reaction cylinder 71 is not supported by the rotating shaft 78 and the rotating disc 76;
specifically, the adjustment mechanism includes: a mounting seat 710 fixedly arranged on the top of the base 72; a transmission shaft 711 rotatably disposed on the mounting seat 710, wherein the mounting seat 710 is used for mounting the transmission shaft 711; a driving bevel gear 712 and a rotating hand 713 fixedly provided at both end portions of the driving shaft 711, respectively; the driven bevel gear 79 is fixedly arranged on the circumferential surface of the rotating shaft 78, the driven bevel gear 79 is meshed with the driving bevel gear 712 to realize transmission, the rotating hand 713 is rotated, the rotating hand 713 rotates to drive the transmission shaft 711 to rotate, the transmission shaft 711 rotates to drive the driving bevel gear 712 to rotate, according to the transmission principle between the driving bevel gear 712 and the driven bevel gear 79, the driving bevel gear 712 rotates to drive the driven bevel gear 79 to rotate, so that the rotating shaft 78 rotates, the rotating disc 76 makes circumferential motion along the track of the annular I-shaped sliding rail 714, and the water holes 77 on the upper side and the water holes 77 on the lower side are completely or incompletely dislocated, so that water drainage and water storage are realized;
specifically, atmospheric pressure alarm mechanism includes: the air pressure detection probe 720 is fixedly arranged on the circumferential surface of the reaction cylinder 71, and the detection probe of the air pressure detection probe 720 penetrates through the reaction cylinder 71 and extends to the inner side of the reaction cylinder; the microcontroller 721 is fixedly arranged at the outer end part, the air pressure detection probe 720 is electrically connected with the microcontroller 721, and an air pressure safety threshold is arranged in the microcontroller 721; fixed alarm 718 that sets up at reaction cylinder 71 top because the atmospheric pressure in the reaction cylinder 71 is fixed, can lead to its internal pressure increase after constantly letting in gas, has the potential safety hazard, has so set for atmospheric pressure alarm mechanism, what need explain is: the setting of the safe threshold value of the air pressure can ensure that high-temperature catalytic reaction can safely occur after enough gas is introduced, and the setting is carried out based on the thought;
specifically, the reaction cylinder 71 is cylindrical, the interior of the reaction cylinder 71 is a hollow structure, the reaction cylinder 71 has a top and a bottom, the heating plate 75 is hollow cylindrical, and the sectional area of the water collecting tank 722 is larger than the area of the region formed by the plurality of rotating discs 76;
the first solar heat collector 8 is arranged at the outer side of the catalytic reaction system 7, and the thermal energy power generation system 9 is electrically connected with the first solar heat collector 8 and is used for generating power by using the waste heat generated in the catalytic reaction process of the catalytic reaction system 7;
the organic anaerobic fermentation chamber 10 is used for realizing anaerobic fermentation of crop straws and excrement, and the high-temperature combustion furnace 2 is arranged outside the organic anaerobic fermentation chamber 10;
a third air pump 12 connected with an exhaust port of the organic anaerobic fermentation chamber 10 through a pipeline and used for pumping out the gas fermented in the organic anaerobic fermentation chamber 10;
the second gas separation system 13 is connected with an exhaust port of the third gas pump 12 through a pipeline and is used for realizing gas separation;
a desulfurization purification system 16 arranged at the biogas outlet of the second gas separation system 13;
a calcium hydroxide reaction tank 14 provided at a carbon dioxide gas outlet of the second gas separation system 13;
the second solar heat collector 11 is arranged outside the organic anaerobic fermentation chamber 10, and the second solar heat collector 11 is also electrically connected with the heat energy power generation system 9 and used for realizing waste heat power generation.
A carbon dioxide zero-emission type organic waste energy utilization method comprises the following steps:
s1, stirring and crushing: putting crop straws into a pulverizer 1, pulverizing until the particle size is less than 30mm, and preparing residues for later use;
s2, sealing and burning: putting part of the residue in a high-temperature combustion furnace 2, adding excrement into the high-temperature combustion furnace 2, fully burning, and preparing residual ash after burning;
s21, gas separation: starting a first air pump 3, fully pumping out gas generated by burning in the high-temperature combustion furnace 2, and conveying the gas into a first gas separation system 4 to prepare carbon dioxide, hydrogen and other gases;
s22, catalytic reaction: rotating a rotating hand 713, rotating the rotating hand 713 to drive a transmission shaft 711 to rotate, rotating the transmission shaft 711 to drive a driving bevel gear 712 to rotate, according to the transmission principle between the driving bevel gear 712 and a driven bevel gear 79, rotating the driving bevel gear 712 to drive the driven bevel gear 79 to rotate, so as to rotate a rotating shaft 78, further enabling the turntable 76 to do circular motion along the track of the annular I-shaped sliding rail 714, enabling a plurality of water holes 77 on the upper side and a plurality of water holes 77 on the lower side to be completely staggered, opening a sealing cover plate, placing a proper amount of catalyst into the reaction cylinder 71, closing the sealing cover plate, starting the heating plate 75, heating for 20-25 min, starting the second air pump 5, pumping carbon dioxide and hydrogen into the reaction cylinder 71, generating methane and water through the high-temperature catalysis principle, starting the fourth air pump 17 after the reaction is completed, conveying the methane to the generator set 6, thereby generating power, and continuing to rotate the rotating handle 713, so that the water holes 77 on the upper side and the water holes 77 on the lower side are not completely staggered, discharging water, absorbing residual heat in the catalytic reaction process of the catalytic reaction system 7 by the first solar heat collector 8, and generating power by the thermal power generation system 9;
s23, utilization of residual ash: putting the residual ash, the organic residues and the fertilizer into a particle forming extruder 15 to prepare an organic fertilizer which acts on crops;
s3, anaerobic fermentation: putting the other part of the residue into the organic anaerobic fermentation chamber 10, adding excrement into the organic anaerobic fermentation chamber 10, fully performing anaerobic fermentation, and simultaneously conveying the waste heat generated in the incineration process of the high-temperature combustion furnace 2 into the organic anaerobic fermentation chamber 10 to provide good temperature for the organic anaerobic fermentation chamber, improve the fermentation speed of the organic anaerobic fermentation chamber and improve the fermentation efficiency of the organic anaerobic fermentation chamber;
s31, residual gas utilization: starting a third air pump 12, pumping out gas in the fermentation process of the organic anaerobic fermentation chamber 10 and conveying the gas into a second gas separation system 13, separating methane, carbon dioxide and other gases out of the second gas separation system 13, conveying the methane into a desulfurization purification system 16 for desulfurization treatment, thus preparing methane and generating electricity; carbon dioxide is conveyed into the calcium hydroxide reaction tank 14 to carry out chemical reaction to generate calcium carbonate precipitate and water, calcium hydroxide is remained in the calcium hydroxide reaction tank 14 which is not completely reacted, and forms lime milk with the water to be smeared on the surface of the tree for resisting cold and sterilizing;
s32, waste heat utilization: the waste heat generated in the fermentation process of the organic anaerobic fermentation chamber 10 is collected by the second solar heat collector 11, and power generation is carried out under the action of the heat energy power generation system 9.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to cover the technical scope of the present invention, the technical solutions and the modifications thereof according to the present invention within the technical scope of the present invention.

Claims (7)

1. A system for recycling carbon dioxide zero-emission organic waste is characterized by comprising:
the crusher (1) is used for crushing crop straws;
the high-temperature combustion furnace (2) is used for realizing high-temperature sealed incineration of crop straws and excrement;
the first air pump (3) is connected with the air outlet of the high-temperature combustion furnace (2) through a pipeline and is used for pumping out the gas burnt in the high-temperature combustion furnace (2);
the first gas separation system (4) is connected with an exhaust port of the first gas pump (3) through a pipeline and is used for realizing gas separation;
a second air pump (5) connected with the carbon dioxide exhaust port and the hydrogen exhaust port of the first gas separation system (4) through pipelines;
the catalytic reaction system (7) is connected with the exhaust port of the second air pump (5) through a pipeline;
the first solar heat collector (8) is arranged on the outer side of the catalytic reaction system (7), and the thermal energy power generation system (9) is electrically connected with the first solar heat collector (8) and is used for generating power by using the waste heat generated in the catalytic reaction process of the catalytic reaction system (7);
the organic anaerobic fermentation chamber (10) is used for realizing anaerobic fermentation of crop straws and excrement, and the high-temperature combustion furnace (2) is arranged outside the organic anaerobic fermentation chamber (10);
a third air pump (12) connected with the exhaust port of the organic anaerobic fermentation chamber (10) through a pipeline and used for pumping out the gas fermented in the organic anaerobic fermentation chamber (10);
the second gas separation system (13) is connected with the exhaust port of the third gas pump (12) through a pipeline and is used for realizing gas separation;
a desulfurization and purification system (16) arranged at a biogas exhaust port of the second gas separation system (13);
a calcium hydroxide reaction tank (14) disposed at a carbon dioxide gas outlet of the second gas separation system (13);
the second solar heat collector (11) is arranged on the outer side of the organic anaerobic fermentation chamber (10), and the second solar heat collector (11) is also electrically connected with the thermal energy power generation system (9) and used for realizing waste heat power generation;
a fourth air pump (17);
the catalytic reaction system (7) comprises:
a reaction cylinder (71);
a base (72) arranged on the lower side of the reaction cylinder (71);
a water collection tank (722) arranged at the top of the base (72);
a plurality of first connecting rods (73) arranged in an annular array on the circumferential surface of the reaction cylinder (71) and the circumferential surface of the base (72);
a heating plate (75) disposed outside the plurality of first connecting rods (73);
a plurality of second connecting rods (74) disposed between the inner wall of the heating plate (75) and the plurality of first connecting rods (73);
the rotating disc (76) arranged at the bottom of the reaction cylinder (71) is rotated through the rotating assembly, and the rotating disc (76) is in contact with the bottom of the reaction cylinder (71) and can slide relatively;
an adjusting mechanism arranged on the base (72), and the adjusting mechanism is also connected with the rotating assembly to realize the rotation of the rotating assembly;
a plurality of water holes (77) uniformly arranged at the bottom of the rotating disc (76) and the bottom of the reaction cylinder (71), and when the water holes (77) positioned at the upper side and the water holes (77) positioned at the lower side are completely staggered, water leakage is realized; when the water holes (77) on the upper side and the water holes (77) on the lower side are not completely staggered, water drainage is realized;
the gas inlet pipe (717), the gas outlet pipe (724) and the feed inlet (719) are arranged at the top of the reaction cylinder (71), the gas outlet of the second gas pump (5) is connected with the gas inlet pipe (717) through a pipeline to realize gas transmission, the fourth gas pump (17) is connected with the gas outlet pipe (724) through a pipeline, and the feed inlet (719) is movably connected with a sealing cover plate;
an air pressure alarm mechanism arranged on the reaction cylinder (71).
2. The system for recycling carbon dioxide zero emission organic waste according to claim 1, wherein the rotating assembly comprises:
an annular I-shaped sliding rail (714) arranged on the circumferential surface of the reaction cylinder (71);
a plurality of third connecting rods (715) arranged in an annular array on the circumferential surface of the turntable (76);
the rotary table (76) is arranged on the inner wall of the annular I-shaped sliding rail (714) in a sliding mode, the plurality of balls (716) are connected with the plurality of third connecting rods (715) respectively, and the rotary table rotates under the action of the annular I-shaped sliding rail (714) and the third connecting rods (715);
the rotating shaft (78) is arranged at the center of the bottom of the rotating disc (76), and the rotating shaft (78) is rotatably connected with the lower inner wall of the water collecting tank (722) through a rotating seat (723).
3. The system for recycling carbon dioxide zero emission type organic waste according to claim 2, wherein the adjusting mechanism comprises:
a mounting seat (710) arranged at the top of the base (72);
a transmission shaft (711) rotatably arranged on the mounting seat (710);
a driving bevel gear (712) and a rotating handle (713) respectively arranged at two ends of the transmission shaft (711);
and the driven conical gear (79) is arranged on the circumferential surface of the rotating shaft (78), and the driven conical gear (79) is meshed with the driving conical gear (712) to realize transmission.
4. The system for recycling organic waste with zero emission of carbon dioxide as claimed in claim 3, wherein the air pressure alarm mechanism comprises:
the air pressure detection probe (720) is arranged on the circumferential surface of the reaction cylinder (71), and the detection probe of the air pressure detection probe (720) penetrates through the reaction cylinder (71) and extends to the inner side of the reaction cylinder;
the air pressure detection device comprises a microcontroller (721) arranged at the outer end part, an air pressure detection probe (720) is electrically connected with the microcontroller (721), and an air pressure safety threshold is arranged in the microcontroller (721);
an alarm (718) arranged on the top of the reaction cylinder (71).
5. The system for recycling organic waste with zero emission of carbon dioxide as claimed in claim 4, wherein the reaction cylinder (71) is cylindrical, the reaction cylinder (71) has a hollow structure inside, the reaction cylinder (71) has a top and a bottom, and the heating plate (75) is hollow cylindrical.
6. The system for recycling organic waste with zero emission of carbon dioxide as claimed in claim 5, wherein the cross-sectional area of the water collecting tank (722) is larger than the area of the area formed by the plurality of rotating discs (76).
7. The method for recycling the carbon dioxide zero emission type organic waste, which is performed by using the system for recycling the carbon dioxide zero emission type organic waste according to claim 6, is characterized by comprising the following steps:
s1, stirring and crushing: putting crop straws into a pulverizer (1), pulverizing until the particle size is less than 30mm, and preparing residues for later use;
s2, sealing and burning: putting part of the residue in a high-temperature combustion furnace (2), adding excrement into the high-temperature combustion furnace (2), fully burning, and preparing residual ash after burning;
s21, gas separation: starting a first air pump (3), fully pumping out gas generated by burning in the high-temperature combustion furnace (2), and conveying the gas into a first gas separation system (4) to prepare carbon dioxide, hydrogen and other gases;
s22, catalytic reaction: rotating a rotating hand (713), the rotating hand (713) rotates to drive a transmission shaft (711) to rotate, the transmission shaft (711) rotates to drive a driving bevel gear (712) to rotate, according to the transmission principle between the driving bevel gear (712) and a driven bevel gear (79), the driving bevel gear (712) rotates to drive the driven bevel gear (79) to rotate, so that the rotating shaft (78) rotates, and further the rotating disc (76) makes circular motion along the track of the annular I-shaped sliding rail (714), so that a plurality of water holes (77) on the upper side and a plurality of water holes (77) on the lower side are completely staggered, a sealing cover plate is opened, a proper amount of catalyst is placed into the reaction cylinder (71), the sealing cover plate is closed, a heating plate (75) is started, heating is carried out for 20-25 min, a second air pump (5) is started, carbon dioxide and hydrogen are pumped into the reaction cylinder (71), and the principle of high, the methane and the water are generated, after the reaction is finished, a fourth air pump (17) is started, the methane is conveyed to a generator set (6) to generate electricity, a rotating hand (713) is continuously rotated, a plurality of water holes (77) on the upper side and a plurality of water holes (77) on the lower side are not completely staggered, the water is discharged, and the residual heat in the catalytic reaction process of the catalytic reaction system (7) is absorbed by a first solar heat collector (8) and is generated by a heat energy generating system (9);
s23, utilization of residual ash: putting the residual ash, the organic residues and the fertilizer into a particle forming extruder (15) to prepare an organic fertilizer which acts on crops;
s3, anaerobic fermentation: putting the other part of the residue into an organic anaerobic fermentation chamber (10), adding excrement into the organic anaerobic fermentation chamber (10), fully performing anaerobic fermentation, and simultaneously conveying the waste heat generated in the incineration process of the high-temperature combustion furnace (2) into the organic anaerobic fermentation chamber (10) to provide good temperature for the organic anaerobic fermentation chamber, improve the fermentation speed of the organic anaerobic fermentation chamber and improve the fermentation efficiency of the organic anaerobic fermentation chamber;
s31, residual gas utilization: starting a third air pump (12), pumping out gas in the fermentation process of the organic anaerobic fermentation chamber (10) and conveying the gas into a second gas separation system (13), separating methane, carbon dioxide and other gases out of the second gas separation system (13), conveying the methane into a desulfurization purification system (16) for desulfurization treatment, thus preparing methane and generating electricity; carbon dioxide is conveyed into the calcium hydroxide reaction tank (14) to carry out chemical reaction to generate calcium carbonate precipitate and water, calcium hydroxide is remained in the calcium hydroxide reaction tank (14) which is not completely reacted and forms lime milk with the water, and the lime milk is smeared on the surface of trees to protect against cold and sterilize;
s32, waste heat utilization: the waste heat generated in the fermentation process of the organic anaerobic fermentation chamber (10) is collected by the second solar heat collector (11) and is used for generating electricity under the action of the heat energy generating system (9).
CN202010573882.6A 2020-06-22 2020-06-22 Carbon dioxide zero-emission type system for energy utilization of organic waste Active CN111687182B (en)

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CN101892268A (en) * 2010-06-22 2010-11-24 华北电力大学 System for promoting fermentation of biogas from lignocellulose materials by utilizing microalgae
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