CN103992937B - A kind of reactive system being applied to water, ammonia process coupling preprocessing biomass - Google Patents
A kind of reactive system being applied to water, ammonia process coupling preprocessing biomass Download PDFInfo
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Abstract
The invention discloses a kind of reactive system being applied to water, ammonia process coupling preprocessing biomass, comprise preatreating reactors (1), ammoniacal liquor storage tank (8), water storage tank (9) and vapour generator (9.2), supercharging device (10), ammonia evaporating pot (2) and water evaporating pot (3), ammonia tourie (4), remaining ammonia tourie (6), water tourie (5), comprise pre-treatment tank thermal oil storage tank (11), evaporating pot thermal oil storage tank (12) and tourie thermal oil storage tank (13) in addition; Structure of the present invention is simple, achieve hot liquid water and ammonia process coupling high-efficiency pretreatment biomass material, further increase the validity of enzymolysis efficiency and enzyme, reduce enzymolysis difficulty significantly, meanwhile, achieve the recycle of ammonia and the enrichment of chemical, significantly reduce the cost of preprocessing process, realize the recycling of forestry agricultural and sugar industry waste, solve the environmental problem caused by waste simultaneously.
Description
Technical field:
The present invention relates to biomass energy chemical field, be specifically related to a kind of reactive system being applied to water, ammonia process coupling preprocessing biomass.
Background technology:
The day by day exhausted and people of fossil oil are to the pay attention to day by day of environment protection, and the renewable energy source of development and utilization green becomes the focus paid close attention to various countries.Alcohol fuel as the most directly, petroleum liquid based additive the most easily, worldwide apply.Biomass are general names of agriculture and forestry organic waste material, can are five-carbon sugar and hexose by hemicellulose wherein and cellulose hydrolysis by chemistry, biochemical treatment, then be produced ethanol by fermentation.The exploitation of cellulose fuel ethanol technology, not only can turn waste into wealth, and solves the current energy and ecocrisis, and can be peasant's extra earning, and having the solution of rural economy, rural development and rural demography provides certain pushing effect.
Along with the development of biotechnology, enzyme hydrolysis method becomes the mainstream technology of biomass by hydrolyzation saccharification gradually, but must carry out pre-treatment to biomass material, to improve the accessibility of cellulase before hydrolysis.Numerous investigators continue to optimize acid hydrolysis technology, many as the pretreatment process before enzymic hydrolysis at present.Reduce the acid concentration in acid hydrolytic reaction system, although make hydrolysis efficiency have certain decline, but its advantage is not only to reduce in hydrolysis reaction the degradation amount generating monose, controls the generation of fermentation inhibitor, and the corrosion of high-temperature acidic liquid to conversion unit can be reduced.
Hot liquid water, does not need in reaction process to add any chemical reagent, is the biomass pretreatment method of a kind of environmental protection that development in recent years is got up.As emerging green reaction technique, hot liquid water has following advantage: 1. do not use any chemical reagent, environmental friendliness; 2. generate degraded product few, fermentation inhibitor content is low; 3. have good removal effect to hemicellulose, the wood sugar rate of recovery is high; 4. product does not need detoxification directly can carry out enzymolysis.Although hot liquid water has many good qualities, also have energy consumption large, water consumes high shortcoming, in addition because xylogen is to the irreversible adsorption effect of cellulase, causes enzyme dosage higher.
Ammonia process pre-treatment, as the one of alkaline purification method, is the feature utilizing xylogen can be dissolved in basic solution, uses alkaline matter for processing biomass material, destroys lignin structure, thus is beneficial to the carrying out of enzymic hydrolysis.Compare traditional NaOH process, while ensureing ideal delignification rate, to hemicellulose and cellulosic destruction little, and ammoniacal liquor is easy to recycle and reuse, and environmental pollution is little.
Carry out patent consulting by State Intellectual Property Office of the People's Republic of China website, current domestic relevant lignocellulose biomass by hydrolyzation aspect Patents is as follows:
(1) the pretreated method of lignocellulose and the system thereof of acid recovery is comprised, CN101235605;
(2) lignocellulose pretreatment method and a system thereof, 200810020228.1;
(3) method for the efficient enzymic hydrolysis of lignocellulose-like biomass, CN102174594;
(4) method of high-efficiency pretreatment on biomass, CN101586136A;
(5) lignocellulose pretreatment method of enzymic hydrolysis rate is improved, 201210144959.3;
(6) combined pretreatment method of lignocellulose and a system thereof, CN101230546.
Patent (1) and (2) are disclosed for being applied to the system of acidic process lignocellulose; Patent (3) and (4) disclose high-temperature liquid state water pretreatment process, but do not relate to the system of preprocessing lignocellulose; Patent (5) discloses the two step combined pretreatment methods adopting ionic liquid and alkaline process to combine, and does not disclose the system of preprocessing lignocellulose; Patent (6) disclosed the system of diluted acid-ball milling two-step method lignocellulose.
Summary of the invention:
The object of this invention is to provide a kind of reactive system being applied to water, ammonia process coupling preprocessing biomass, can the reaction substrate of efficient enzymolysis to obtain, reclaim most of ammonia and while reducing in hydrolyzed solution toxicity of fermenting, hydrolyzed solution concentrated.
The present invention is achieved by the following technical programs:
One is applied to water, the reactive system of ammonia process coupling preprocessing biomass, comprise preatreating reactors, for preatreating reactors provides the ammoniacal liquor storage tank of ammoniacal liquor, for preatreating reactors provides water storage tank and the vapour generator of superheated vapour, for preatreating reactors provides the supercharging device of pressure, with the ammonia evaporating pot be communicated with bottom described preatreating reactors and water evaporating pot, with the ammonia tourie that described ammonia evaporating pot is communicated with, ammonia tourie more than being communicated with described ammonia tourie, with the water tourie that described water evaporating pot is communicated with, comprise pre-treatment tank thermal oil storage tank in addition, evaporating pot thermal oil storage tank and tourie thermal oil storage tank, described ammoniacal liquor storage tank is communicated with preatreating reactors through high-pressure metering pump, described water storage tank is communicated with preatreating reactors through vapour generator, described preatreating reactors, ammonia evaporating pot, water evaporating pot, ammonia tourie and water tourie tank body outside are also provided with conduction oil interlayer respectively, described pre-treatment tank thermal oil storage tank is communicated with the conduction oil interlayer of in-line pump with preatreating reactors through pipeline, described evaporating pot thermal oil storage tank is communicated with the conduction oil interlayer of ammonia evaporating pot, water evaporating pot respectively through pump, and described tourie thermal oil storage tank is communicated with the conduction oil interlayer of water tourie with ammonia tourie respectively through pump.
Described preatreating reactors is used for hot liquid water and ammonia process preprocessing biomass raw material, and then first the pre-treatment of biomass use ammonia pretreatment with hot liquid water pre-treatment; Described ammonia evaporating pot is used for the ammonia evaporation in hydrolyzed solution after ammonia process pre-treatment to be delivered to recycling in ammonia tourie and remaining ammonia tourie; Described water evaporating pot is used for pretreated for hot liquid water hydrolyzed solution to concentrate, with evaporation section to harmful composition and the water of fermenting, reduce in hydrolyzed solution toxicity of fermenting, volatile organic composition (mainly comprising formic acid, acetic acid, glucuronic acid, furfural, 5 hydroxymethyl furfural) in pretreated for hot liquid water hydrolyzed solution is delivered in water tourie, preparative chemistry product after separation and purification simultaneously.
Described biomass material mainly comprises: the waste of the agricultural such as bagasse, maize straw, Wheat Straw, energy grass, wood chip and forestry.
The conduction oil interlayer of described preatreating reactors, ammonia evaporating pot, water evaporating pot is also provided with thermal insulation layer outward.
The tank body of described preatreating reactors, ammonia evaporating pot, water evaporating pot, ammonia tourie, remaining ammonia tourie and water tourie is also provided with temperature measuring equipment, and the tank body of described preatreating reactors, ammonia evaporating pot, water evaporating pot and remaining ammonia tourie is also provided with pressure tester.
Described preatreating reactors main body is cylindrical structure, top is spheroidal end socket, bottom is cone structure, agitator is provided with in cylindrical axis middle and lower part, described preatreating reactors top is provided with safety valve, gas-liquid entrance, charging opening and the motor of following agitator to be connected, and described preatreating reactors cone base is provided with solids exit mouth and leakage fluid dram.
Described preatreating reactors is also provided with and makes agitator and preatreating reactors keep the dynamic sealing device sealed; Leakage fluid dram bottom described preatreating reactors is also provided with filtration unit, thus realizes solid-liquid separation when tapping; The spheroidal end socket at described top is connected with main tank body screw respectively with the cone structure of bottom, to facilitate cleaning, to safeguard.
Described preatreating reactors side is also provided with the thermal oil entrance and thermal oil outlet that are communicated with conduction oil interlayer, described thermal oil entrance is communicated with the bottom of pipeline with pre-treatment tank thermal oil storage tank through in-line pump, described thermal oil outlet is communicated with the top of pipeline with pre-treatment tank thermal oil storage tank through valve, forms a circulation passage.
Described ammonia evaporating pot main body is cylindrical structure, and top and bottom are spheroidal end socket, are provided with agitator in cylindrical axial location, the motor that described ammonia evaporating pot top is provided with air outlet, connects with agitator; The side of described ammonia evaporating pot be provided with that the leakage fluid dram that is provided with described preatreating reactors cone base is communicated with containing ammoniacal liquor entrance, described bottom ball-shaped end socket is provided with leakage fluid dram, described top is connected with can body screw respectively with the ball-shaped end socket of bottom, to facilitate cleaning, to safeguard; Described leakage fluid dram is also provided with filtration unit, to carry out solid-liquid separation during tapping.
Described ammonia evaporating pot side is also provided with the thermal oil entrance and thermal oil outlet that are communicated with conduction oil interlayer, described thermal oil entrance is communicated with the bottom of pipeline with evaporating pot thermal oil storage tank through in-line pump, described thermal oil outlet is communicated with the top of pipeline with evaporating pot thermal oil storage tank through valve, forms a circulation passage.
Described water evaporating pot main body is cylindrical structure, top and bottom are spheroidal end socket, agitator is provided with in cylindrical axial location, described water evaporating pot top is provided with pressure tester, temperature measuring equipment, air outlet, the motor that connects with described agitator, the side of described water evaporating pot is provided with the water pretreatment liquid entrance of the leakage fluid dram connection be provided with described preatreating reactors cone base, leakage fluid dram is provided with bottom the ball-shaped end socket of described bottom, described leakage fluid dram is also provided with filtration unit, to carry out solid-liquid separation during tapping; Described top is connected with can body screw respectively with the ball-shaped end socket of bottom, to facilitate cleaning, to safeguard.
Described water evaporating pot side is also provided with the thermal oil entrance and thermal oil outlet that are communicated with conduction oil interlayer, described thermal oil entrance is communicated with the bottom of pipeline with evaporating pot thermal oil storage tank through in-line pump, described thermal oil outlet is communicated with the top of pipeline with evaporating pot thermal oil storage tank through valve, forms a circulation passage.
Described ammonia evaporating pot and water evaporating pot are also provided with and make agitator and reactor keep the dynamic sealing device sealed.
Described ammonia tourie top is provided with pressure tester, absorption liquid liquid adding hole, air outlet, ammonia absorption liquid such as clear water is equipped with in inside, the basifacial ammonia of clear water liquid is entered into by the discharge of ammonia evaporating pot air outlet through pipeline for absorbing, bottom is provided with leakage fluid dram, ammonia solution is delivered to dosing chamber, for the preparation of ammoniacal liquor during pre-treatment again.
Described ammonia tourie side is also provided with the thermal oil entrance and thermal oil outlet that are communicated with conduction oil interlayer, described thermal oil entrance is communicated with the bottom of pipeline with tourie thermal oil storage tank through in-line pump, described thermal oil outlet is communicated with the top of pipeline with tourie thermal oil storage tank through valve, forms a circulation passage.
Described remaining ammonia tourie top is provided with pressure tester, blow-off valve, liquid adding hole and temperature measuring equipment, acid absorption liquid is equipped with in inside, the basifacial ammonia of acid absorption liquid is entered into by the discharge of ammonia tourie air outlet through recovery ammonia tank vacuum pump and pipeline for absorbing, by preparing fertilizer to the absorption of remaining ammonia for the plantation of energy crop or microorganism culturing, bottom is provided with leakage fluid dram, described leakage fluid dram is provided with draw-off pump, and described blow-off valve is for controlling internal pressure.
Described water tourie, top is provided with pressure tester, absorption liquid liquid adding hole, organic solvent is equipped with in inside, the volatile organic composition entering into the pretreated hydrolyzed solution of the basifacial hot liquid water of organic solvent fluid through pipeline is discharged for absorbing water evaporating pot air outlet, bottom is provided with leakage fluid dram, described leakage fluid dram is provided with draw-off pump, for by the Liquid transfer containing volatile organic composition to separation and purification operation, preparative chemistry product.Described water tourie side is also provided with the thermal oil entrance and thermal oil outlet that are communicated with conduction oil interlayer, described thermal oil entrance is communicated with the bottom of pipeline with tourie thermal oil storage tank through in-line pump, described thermal oil outlet is communicated with the top of pipeline with tourie thermal oil storage tank through valve, forms a circulation passage.
Described pre-treatment tank thermal oil storage tank, evaporating pot thermal oil storage tank and tourie thermal oil storage tank are also respectively equipped with temperature measuring equipment and well heater.
The present invention has following beneficial effect:
Present invention achieves hot liquid water and ammonia process coupling high-efficiency pretreatment biomass material, on the pretreated basis of high temperature liquid water, deviate to have cellulase the xylogen of irreversible adsorption effect by ammonia process pre-treatment, further increase the validity of enzymolysis efficiency and enzyme, reduce enzymolysis difficulty significantly, meanwhile, achieve the recycle of ammonia and the enrichment of chemical, significantly reduce the cost of preprocessing process.In addition, the present invention is turned waste into wealth, and realizes the recycling of forestry agricultural and sugar industry waste, solves the environmental problem caused by waste simultaneously.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of reactive system of the present invention;
Wherein, 1, preatreating reactors; 1.1, motor; 1.2, preatreating reactors temperature measuring equipment; 1.3, safety valve; 1.4-pressure tester; 1.5, vapour-liquid entrance; 1.6, charging opening; 1.7, thermal insulation layer; 1.8, conduction oil interlayer; 1.9, agitator; 1.10, thermal oil entrance; 1.11, thermal oil outlet; 1.12, solids exit mouth; 1.13, leakage fluid dram; 1.14, waste liquid draining valve;
2, ammonia evaporating pot; 2.1, motor; 2.2, pressure tester; 2.3, ammonia evaporating pot temperature measuring equipment; 2.4, air outlet; 2.5, thermal insulation layer; 2.6, agitator; 2.7, conduction oil interlayer; 2.8, thermal oil entrance; 2.9, thermal oil check valve; 2.10, draw-off pump; 2.11, ammonia evaporating pot vapor pipe check valve; 2.12, containing ammoniacal liquor entrance; 2.13, leakage fluid dram; 2.14, thermal oil outlet;
3, water evaporating pot; 3.1, motor; 3.2, pressure tester; ; 3.3, temperature measuring equipment; 3.4, air outlet; 3.5, conduction oil interlayer; 3.6, thermal insulation layer; 3.7, leakage fluid dram; 3.8, thermal oil entrance; 3.9, thermal oil check valve; 3.10, draw-off pump; 3.11, vapor pipe check valve; 3.12, agitator; 3.13, water pretreatment liquid entrance;
4, ammonia tourie; 4.1, pressure tester; 4.2, absorption liquid liquid adding hole; 4.3, temperature measuring equipment; 4.4, conduction oil interlayer; 4.5, leakage fluid dram; 4.6, thermal oil entrance; 4.7, thermal oil outlet; 4.8, thermal oil check valve; 4.9, ammonia absorption liquid; 4.10, draw-off pump; 4.11, air outlet;
5, water tourie; 5.1, pressure tester; 5.2, absorption liquid liquid adding hole; 5.3, temperature measuring equipment; 5.4, conduction oil interlayer; 5.5, leakage fluid dram; 5.6, thermal oil entrance; 5.7, thermal oil outlet; 5.8, thermal oil check valve; 5.9, organic solvent; 5.10, draw-off pump;
6, remaining ammonia tourie; 6.1, pressure tester; 6.2, blow-off valve; 6.3, liquid adding hole; 6.4, temperature measuring equipment; 6.5, leakage fluid dram; 6.6, absorption liquid; 6.7, draw-off pump;
7.1, recovery ammonia tank vacuum pump; 7.2, water recovery tank vacuum pump;
8, ammoniacal liquor storage tank; 8.1, high-pressure metering pump; 8.2, check valve;
9, water storage tank; 9.1, volume pump; 9.2, vapour generator; 9.3, temperature measuring equipment; 9.4, check valve;
10, supercharging device;
11, pre-treatment tank thermal oil storage tank; 11.1, temperature measuring equipment; 11.2, well heater; 11.3, in-line pump;
12, evaporating pot thermal oil storage tank; 12.1, temperature measuring equipment; 12.2, well heater; 12.3, in-line pump;
13, tourie thermal oil storage tank; 13.1, temperature measuring equipment; 13.2, well heater; 13.3, in-line pump.
Embodiment:
Below further illustrate of the present invention, instead of limitation of the present invention.
As shown in Figure 1, the present invention is applied to water, the reactive system of ammonia process coupling preprocessing biomass, comprise preatreating reactors 1, for preatreating reactors 1 provides the ammoniacal liquor storage tank 8 of ammoniacal liquor, for preatreating reactors 1 provides water storage tank 9 and the vapour generator 9.2 of superheated vapour, for preatreating reactors 1 provides the supercharging device 10 of pressure, with the ammonia evaporating pot 2 be communicated with bottom described preatreating reactors 1 and water evaporating pot 3, with the ammonia tourie 4 that described ammonia evaporating pot 2 is communicated with, ammonia tourie 6 more than being communicated with described ammonia tourie 4, with the water tourie 5 that described water evaporating pot 3 is communicated with, comprise pre-treatment tank thermal oil storage tank 11 in addition, evaporating pot thermal oil storage tank 12 and tourie thermal oil storage tank 13, described ammoniacal liquor storage tank 8 is communicated with preatreating reactors 1 through high-pressure metering pump 8.1, described water storage tank 9 is communicated with preatreating reactors 1 through vapour generator 9.2, described preatreating reactors 1, ammonia evaporating pot 2, water evaporating pot 3, ammonia tourie 4 and water tourie 5 tank body outside are also provided with conduction oil interlayer 1.8 respectively, 2.7, 3.5, 4.4, 5.4, described pre-treatment tank thermal oil storage tank 11 is communicated with the conduction oil interlayer 1.8 of in-line pump 11.3 with preatreating reactors 1 through pipeline, described evaporating pot thermal oil storage tank 12 follows ammonia evaporating pot 2 respectively through pump 12.3, the conduction oil interlayer 2.7 of water evaporating pot 3, 3.5 be communicated with, the conduction oil interlayer 4.4 of ammonia tourie 4 and water tourie 5 followed respectively by described tourie thermal oil storage tank 13 through pump, 5.4 be communicated with.
The conduction oil interlayer of described preatreating reactors 1, ammonia evaporating pot 2, water evaporating pot 3 is also provided with thermal insulation layer 1.7 outward, 2.5,3.6.
The tank body of described preatreating reactors 1, ammonia evaporating pot 2, water evaporating pot 3, ammonia tourie 4, remaining ammonia tourie 6 and water tourie 5 is also provided with temperature measuring equipment, and the tank body of described preatreating reactors 1, ammonia evaporating pot 2, water evaporating pot 3 and remaining ammonia tourie 4 is also provided with pressure tester.
Described preatreating reactors 1 is for hot liquid water and ammonia process preprocessing biomass raw material; Described ammonia evaporating pot 2 is for being delivered to recycling in ammonia tourie 4 and remaining ammonia tourie 6 by the ammonia evaporation in hydrolyzed solution after ammonia process pre-treatment; Described water evaporating pot 3 is for concentrating in preatreating reactors 1 through the pretreated hydrolyzed solution of hot liquid water, with evaporation section to harmful composition and the water of fermenting, reduce in hydrolyzed solution toxicity of fermenting, volatile organic composition volatile matter in pretreated for hot liquid water hydrolyzed solution is delivered in water tourie 5, preparative chemistry product after separation and purification simultaneously.
Ammoniacal liquor in ammoniacal liquor storage tank 8 is delivered in preatreating reactors 1 by high-pressure metering pump 8.1; Liquid water in water storage tank 9 becomes superheated vapour after vapour generator 9.2 heats, and enters in preatreating reactors 1, carry out preheating to reaction mass and reactor tank body under the promotion of pressure itself; Thermal oil in preatreating reactors heat conduction oil tank 11 provides heat, to meet the needs of reaction process through the conduction oil interlayer of preatreating reactors 1 for preatreating reactors 1 at the flows by action of high-temperature resistant pipeline pump; Described supercharging device 10 enters in preatreating reactors 1 after being compressed by atmospheric air, meets the pressure requirements at preatreating reactors 1 inner reaction temperature.
Described preatreating reactors 1 main body is cylindrical structure, top is spheroidal end socket, bottom is cone structure, agitator 1.9 is provided with in cylindrical axis middle and lower part, described preatreating reactors 1 top is provided with safety valve 1.3, gas-liquid entrance 1.5, charging opening 1.6 and the motor 1.1 of following agitator 1.9 to be connected, and described preatreating reactors 1 cone base is provided with solids exit mouth 1.12 and leakage fluid dram 1.13.
Described preatreating reactors 1 is also provided with and makes agitator 1.9 and preatreating reactors 1 keep the dynamic sealing device sealed; Leakage fluid dram 1.13 bottom described preatreating reactors 1 is also provided with filtration unit, thus realizes solid-liquid separation when tapping; The spheroidal end socket at described top is connected with main tank body screw respectively with the cone structure of bottom, to facilitate cleaning, to safeguard.
Described preatreating reactors 1 side is also provided with the thermal oil entrance 1.10 and thermal oil outlet 1.11 that are communicated with conduction oil interlayer 1.8, described thermal oil entrance 1.10 is communicated with the bottom of pipeline with pre-treatment tank thermal oil storage tank 11 through in-line pump 11.3, described thermal oil outlet 1.11 is communicated with the top of pipeline with pre-treatment tank thermal oil storage tank 11 through valve, forms a circulation passage.
Described ammonia evaporating pot 2 main body is cylindrical structure, and top and bottom are spheroidal end socket, are provided with agitator 2.6 in cylindrical axial location, the motor 2.1 that described ammonia evaporating pot 2 top is provided with air outlet 2.4, connects with agitator 2.6; The side of described ammonia evaporating pot 2 be provided with that the leakage fluid dram 1.13 that is provided with described preatreating reactors 1 cone base is communicated with containing ammoniacal liquor entrance 2.12, described bottom ball-shaped end socket is provided with leakage fluid dram 2.13; Described top is connected to facilitate with can body screw with the ball-shaped end socket of bottom respectively to be cleaned, safeguards; Described leakage fluid dram 2.13 is also provided with filtration unit, to carry out solid-liquid separation during tapping.
Described ammonia evaporating pot 2 side is also provided with the thermal oil entrance 2.8 and thermal oil outlet 2.14 that are communicated with conduction oil interlayer 2.7, described thermal oil entrance 2.8 is communicated with the bottom of pipeline with evaporating pot thermal oil storage tank 12 through in-line pump 12.3, described thermal oil outlet 2.14 is communicated with the top of pipeline with evaporating pot thermal oil storage tank 12 through valve, forms a circulation passage.
Described water evaporating pot 3 main body is cylindrical structure, and top and bottom are spheroidal end socket, are provided with agitator 3.12 in cylindrical axial location, stir the liquid material in water evaporating pot 3, to strengthen in inner heat transfer and liquid volatile point steam; Described water evaporating pot 3 top is provided with pressure tester 3.2, temperature measuring equipment 3.3, air outlet 3.4, the motor 3.1 that connects with described agitator 3.12, the side of described water evaporating pot 3 is provided with the water pretreatment liquid entrance 3.13 be communicated with the leakage fluid dram 1.13 be provided with bottom described preatreating reactors 1, leakage fluid dram 3.7 is provided with bottom the spheroidal end socket of described bottom, described leakage fluid dram 3.7 is also provided with filtration unit, to carry out solid-liquid separation during tapping; Described top is connected with can body screw respectively with the ball-shaped end socket of bottom, to facilitate cleaning, to safeguard.
Described water evaporating pot 3 side is also provided with the thermal oil entrance 3.8 and thermal oil outlet 3.14 that are communicated with conduction oil interlayer 3.5, described thermal oil entrance 3.8 is communicated with the bottom of pipeline with evaporating pot thermal oil storage tank 12 through in-line pump 12.3, described thermal oil outlet 3.14 is communicated with the top of pipeline with evaporating pot thermal oil storage tank 12 through valve, forms a circulation passage.
Described ammonia evaporating pot 2 and water evaporating pot 3 are also provided with and make agitator 2.6, and 3.12 keep with reactor the dynamic sealing device that seals.
Described ammonia tourie 4 top is provided with pressure tester 4.1, absorption liquid liquid adding hole 4.2, air outlet 4.11, ammonia absorption liquid is equipped with in inside---clear water 4.9, the basifacial ammonia of clear water liquid is entered into through pipeline for absorbing to be discharged by ammonia evaporating pot 2 air outlet 2.4, bottom is provided with leakage fluid dram 4.5, ammonia solution is delivered to dosing chamber, for the preparation of ammoniacal liquor during pre-treatment again.
Described ammonia tourie 4 side is also provided with the thermal oil entrance 4.6 and thermal oil outlet 4.7 that are communicated with conduction oil interlayer 4.4, described thermal oil entrance 4.6 is communicated with the bottom of pipeline with tourie thermal oil storage tank 13 through in-line pump 13.3, described thermal oil outlet 4.7 is communicated with the top of pipeline with tourie thermal oil storage tank 13 through valve, forms a circulation passage.
Described remaining ammonia tourie 6 top is provided with pressure tester 6.1, blow-off valve 6.2, liquid adding hole 6.3 and temperature measuring equipment 6.4, acid absorption liquid 6.6 is equipped with in inside, described acid absorption liquid mainly comprises acetic acid, dilute sulphuric acid, dilute hydrochloric acid, dust technology and dilute phosphoric acid, the basifacial ammonia of acid absorption liquid is entered into through recovery ammonia tank vacuum pump 7.1 and pipeline for absorbing to be discharged by ammonia tourie 4 air outlet 4.11, by preparing fertilizer to the absorption of remaining ammonia for the plantation of energy crop or microorganism culturing, bottom is provided with leakage fluid dram 6.5, described leakage fluid dram 6.5 is provided with draw-off pump 6.7, described blow-off valve 6.2 is for controlling internal pressure.
Described water tourie 5, top is provided with pressure tester 5.1, absorption liquid liquid adding hole 5.2, organic solvent 5.9 is equipped with in inside, described organic solvent mainly comprises methyl alcohol, ethanol, acetone, methylacetone, toluene, dimethylbenzene, the volatile organic composition entering into the pretreated hydrolyzed solution of the basifacial hot liquid water of organic solvent fluid through pipeline is discharged for absorbing water evaporating pot 3 air outlet 3.4, bottom is provided with leakage fluid dram 5.5, described leakage fluid dram 5.5 is provided with draw-off pump 5.10, for by the Liquid transfer containing volatile organic composition to separation and purification operation, preparative chemistry product, described water tourie 5 side is also provided with the thermal oil entrance 5.6 and thermal oil outlet 5.7 that are communicated with conduction oil interlayer 5.4, described thermal oil entrance 5.6 is communicated with the bottom of pipeline with tourie thermal oil storage tank 13 through in-line pump 13.3, described thermal oil outlet 5.7 is communicated with the top of pipeline with tourie thermal oil storage tank 13 through valve, forms a circulation passage.
Described pre-treatment tank thermal oil storage tank 11, evaporating pot thermal oil storage tank 12 and tourie thermal oil storage tank 13 are also respectively equipped with temperature measuring equipment 11.1,12.1,13.1, and well heater 11.2,12.2,13.2.
In order to reach the object of water ammonia coupling preprocessing biomass raw material, the operating process of native system is:
(1) open the well heater 11.2 of vapour generator 9.2 and pre-treatment tank thermal oil storage tank 11, and set Heating temperature;
(2) close the solids exit mouth 1.12 of preatreating reactors 1, open charging opening 1.6, in preatreating reactors 1, add material;
(3) after the temperature of vapour generator 9.2 and pre-treatment tank thermal oil storage tank 11 arrives design temperature, fetch boiling water storage tank 9 volume pump 9.1 and steam input pipeline valve in preatreating reactors 1, pass into steam, preheating is carried out to preatreating reactors 1 tank body and materials inside;
(4) open the waste liquid draining valve 1.14 of preatreating reactors 1, preheated liquid is discharged preatreating reactors 1 inside, until exhaust vapour;
(5) close waste liquid draining valve 1.14, open pre-treatment tank thermal oil storage tank 11 in-line pump 11.3, in preatreating reactors 1 conduction oil interlayer 1.8, pass into heated thermal oil;
(6) after liquid input meets the demands, close water storage tank 9 volume pump 9.1, open preatreating reactors 1 motor 1.1 and start to stir;
(7) open after supercharging device 10 is forced into reaction pressure to preatreating reactors 1 and close intake valve, start timing;
(8) set the temperature of evaporating pot thermal oil storage tank 12, open well heater 12.2;
(9) until after the reaction times, close pre-treatment tank thermal oil storage tank 11 in-line pump 11.3, open the pipeline valve inputing to water evaporating pot 3, fetch boiling water evaporating pot 3 motor 3.1 and water recovery tank vacuum pump 7.2 simultaneously;
(10) design temperature of vapour generator 9.2 and pre-treatment tank thermal oil storage tank 11 is adjusted, to meet the requirement of ammonia pretreatment reaction;
(11) according to reaction requirement, the flow proportional of water storage tank 9 volume pump 9.1 and ammoniacal liquor storage tank 8 high-pressure metering pump 8.1 is set;
(12), after the hydrolyzed solution in reactor 1 to be pre-treated has discharged, the pipeline valve of storage tank 9 volume pump 9.1 of fetching boiling water, ammoniacal liquor storage tank 8 high-pressure metering pump 8.1 and steam input, passes into mixing steam in preatreating reactors 1;
(13) steam off pipeline valve, evaporating pot 3 motor 3.1 of fetching boiling water, adjustment rotating speed, starts timing;
(14), after arriving the reaction times, preatreating reactors 1 tapping valve is opened, infusion fluid in ammonia evaporating pot 2; Open evaporating pot thermal oil storage tank 12 in-line pump 12.3, the pipeline valve carrying thermal oil to ammonia evaporating pot 2 conduction oil interlayer 2.7 and recovery ammonia tank vacuum pump 7.1;
(15), after reactor 1 to be pre-treated tapping completes, open solids exit mouth 1.12 and release solid materials and preatreating reactors 1 is cleaned;
(17) liquid material in ammonia evaporating pot 2 and water evaporating pot 3 is released after can running at 2 times, enter next workshop section.
Claims (10)
1. one kind is applied to water, ammonia process coupling pre-treatment contains the reactive system of cellulosic agriculture and forestry organic waste material biomass, it is characterized in that, comprise preatreating reactors (1), for preatreating reactors (1) provides the ammoniacal liquor storage tank (8) of ammoniacal liquor, for preatreating reactors (1) provides water storage tank (9) and the vapour generator (9.2) of superheated vapour, for preatreating reactors (1) provides the supercharging device (10) of pressure, the ammonia evaporating pot (2) be communicated with described preatreating reactors (1) bottom and water evaporating pot (3), with the ammonia tourie (4) that described ammonia evaporating pot (2) is communicated with, with the remaining ammonia tourie (6) that described ammonia tourie (4) is communicated with, with the water tourie (5) that described water evaporating pot (3) is communicated with, comprise pre-treatment tank thermal oil storage tank (11) in addition, evaporating pot thermal oil storage tank (12) and tourie thermal oil storage tank (13), described ammoniacal liquor storage tank (8) is communicated with preatreating reactors (1) through high-pressure metering pump (8.1), described water storage tank (9) is communicated with preatreating reactors (1) through vapour generator (9.2), described preatreating reactors (1), ammonia evaporating pot (2), water evaporating pot (3), ammonia tourie (4) and water tourie (5) tank body outside are also provided with conduction oil interlayer (1.8 respectively, 2.7, 3.5, 4.4, 5.4), described pre-treatment tank thermal oil storage tank (11) is communicated with the conduction oil interlayer (1.8) of in-line pump (11.3) with preatreating reactors (1) through pipeline, described evaporating pot thermal oil storage tank (12) follows ammonia evaporating pot (2) respectively through pump (12.3), the conduction oil interlayer (2.7 of water evaporating pot (3), 3.5) be communicated with, described tourie thermal oil storage tank (13) follows the conduction oil interlayer (4.4 of ammonia tourie (4) and water tourie (5) respectively through pump, 5.4) be communicated with.
2. the reactive system being applied to water, ammonia process coupling preprocessing biomass according to claim 1, it is characterized in that, the conduction oil interlayer of described preatreating reactors (1), ammonia evaporating pot (2), water evaporating pot (3) is also provided with thermal insulation layer (1.7 outward, 2.5,3.6).
3. be according to claim 1 and 2ly applied to water, the reactive system of ammonia process coupling preprocessing biomass, it is characterized in that, described preatreating reactors (1) main body is cylindrical structure, top is spheroidal end socket, bottom is cone structure, agitator (1.9) is provided with in cylindrical axis middle and lower part, described preatreating reactors (1) top is provided with safety valve (1.3), gas-liquid entrance (1.5), the motor (1.1) that charging opening (1.6) is connected with agitator (1.9), described preatreating reactors (1) cone base is provided with solids exit mouth (1.12) and leakage fluid dram (1.13).
4. the reactive system being applied to water, ammonia process coupling preprocessing biomass according to claim 3, it is characterized in that, described preatreating reactors (1) is also provided with and makes agitator (1.9) and preatreating reactors (1) keep the dynamic sealing device sealed; The leakage fluid dram (1.13) of described preatreating reactors (1) bottom is also provided with filtration unit; The spheroidal end socket at described top is connected with main tank body screw respectively with the cone structure of bottom; Described preatreating reactors (1) side is also provided with the thermal oil entrance (1.10) and thermal oil outlet (1.11) that are communicated with conduction oil interlayer (1.8), described thermal oil entrance (1.10) is communicated with the bottom of pipeline with pre-treatment tank thermal oil storage tank (11) through in-line pump (11.3), described thermal oil outlet (1.11) is communicated with the top of pipeline with pre-treatment tank thermal oil storage tank (11) through valve, forms a circulation passage.
5. the reactive system being applied to water, ammonia process coupling preprocessing biomass according to claim 1 and 2, it is characterized in that, described ammonia evaporating pot (2) main body is cylindrical structure, top and bottom are spheroidal end socket, agitator (2.6) is provided with, the motor (2.1) that described ammonia evaporating pot (2) top is provided with air outlet (2.4), connects with agitator (2.6) in cylindrical axial location; The side of described ammonia evaporating pot (2) be provided with that the leakage fluid dram (1.13) that is provided with described preatreating reactors (1) cone base is communicated with containing ammoniacal liquor entrance (2.12), described ammonia evaporating pot (2) bottom spheroidal end socket is provided with leakage fluid dram (2.13); Described ammonia evaporating pot (2) top is connected with can body screw respectively with the spheroidal end socket of bottom.
6. the reactive system being applied to water, ammonia process coupling preprocessing biomass according to claim 5, it is characterized in that, the leakage fluid dram (2.13) of described ammonia evaporating pot (2) is also provided with filtration unit; Described ammonia evaporating pot (2) side is also provided with the thermal oil entrance (2.8) and thermal oil outlet (2.14) that are communicated with conduction oil interlayer (2.7), the thermal oil entrance (2.8) of described ammonia evaporating pot (2) is communicated with the bottom of pipeline with evaporating pot thermal oil storage tank (12) through in-line pump (12.3), thermal oil outlet (2.14) of described ammonia evaporating pot (2) is communicated with the top of pipeline with evaporating pot thermal oil storage tank (12) through valve, forms a circulation passage.
7. be according to claim 1 and 2ly applied to water, the reactive system of ammonia process coupling preprocessing biomass, it is characterized in that, described water evaporating pot (3) main body is cylindrical structure, top and bottom are spheroidal end socket, agitator (3.12) is provided with in cylindrical axial location, described water evaporating pot (3) top is provided with pressure tester (3.2), temperature measuring equipment (3.3), air outlet (3.4), with the motor (3.1) that the agitator (3.12) of described water evaporating pot (3) connects, the side of described water evaporating pot (3) is provided with the water pretreatment liquid entrance (3.13) be communicated with the leakage fluid dram (1.13) be provided with bottom described preatreating reactors (1), leakage fluid dram (3.7) is provided with bottom the spheroidal end socket of described water evaporating pot (3) bottom.
8. the reactive system being applied to water, ammonia process coupling preprocessing biomass according to claim 7, it is characterized in that, the leakage fluid dram (3.7) of described water evaporating pot (3) is also provided with filtration unit; The spheroidal end socket of described water evaporating pot (3) top and bottom connects with can body screw respectively; Described water evaporating pot (3) side is also provided with the thermal oil entrance (3.8) and thermal oil outlet (3.14) that are communicated with conduction oil interlayer (3.5), the thermal oil entrance (3.8) of described water evaporating pot (3) is communicated with the bottom of pipeline with evaporating pot thermal oil storage tank (12) through in-line pump (12.3), thermal oil outlet (3.14) of described water evaporating pot (3) is communicated with the top of pipeline with evaporating pot thermal oil storage tank (12) through valve, forms a circulation passage.
9. the reactive system being applied to water, ammonia process coupling preprocessing biomass according to claim 1 and 2, it is characterized in that, described ammonia tourie (4) top is provided with pressure tester (4.1), absorption liquid liquid adding hole (4.2), air outlet (4.11), ammonia absorption liquid (4.9) is equipped with in inside, and bottom is provided with leakage fluid dram (4.5); Described ammonia tourie (4) side is also provided with the thermal oil entrance (4.6) and thermal oil outlet (4.7) that are communicated with conduction oil interlayer (4.4), the thermal oil entrance (4.6) of described ammonia tourie (4) is communicated with the bottom of pipeline with tourie thermal oil storage tank (13) through in-line pump (13.3), thermal oil outlet (4.7) of described ammonia tourie (4) is communicated with the top of pipeline with tourie thermal oil storage tank (13) through valve, forms a circulation passage; Described remaining ammonia tourie (6) top is provided with pressure tester (6.1), blow-off valve (6.2), liquid adding hole (6.3) and temperature measuring equipment (6.4), absorption liquid (6.6) is equipped with in inside, bottom is provided with leakage fluid dram (6.5), and described leakage fluid dram (6.5) is provided with draw-off pump (6.7).
10. the reactive system being applied to water, ammonia process coupling preprocessing biomass according to claim 1 and 2, it is characterized in that, described water tourie (5), top is provided with pressure tester (5.1), absorption liquid liquid adding hole (5.2), organic solvent (5.9) is equipped with in inside, bottom is provided with leakage fluid dram (5.5), and described leakage fluid dram (5.5) is provided with draw-off pump (5.10); Described water tourie (5) side is also provided with the thermal oil entrance (5.6) and thermal oil outlet (5.7) that are communicated with conduction oil interlayer (5.4), the thermal oil entrance (5.6) of described water tourie (5) is communicated with the bottom of pipeline with tourie thermal oil storage tank (13) through in-line pump (13.3), thermal oil outlet (5.7) of described water tourie (5) is communicated with the top of pipeline with tourie thermal oil storage tank (13) through valve, forms a circulation passage.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2012080818A (en) * | 2010-10-12 | 2012-04-26 | Idemitsu Kosan Co Ltd | Method for subjecting solid biomass to saccharification pretreatment, apparatus thereof, and method for saccharification of solid biomass |
| CN102787149A (en) * | 2006-05-01 | 2012-11-21 | 密执安州大学 | Process for the treatment of lignocellulosic biomass |
| CN103221547A (en) * | 2010-11-09 | 2013-07-24 | 绿源乙醇公司 | Continuous process for the production of ethanol from lignocellulosic biomass |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102787149A (en) * | 2006-05-01 | 2012-11-21 | 密执安州大学 | Process for the treatment of lignocellulosic biomass |
| JP2012080818A (en) * | 2010-10-12 | 2012-04-26 | Idemitsu Kosan Co Ltd | Method for subjecting solid biomass to saccharification pretreatment, apparatus thereof, and method for saccharification of solid biomass |
| CN103261431A (en) * | 2010-10-12 | 2013-08-21 | 出光兴产株式会社 | Method and apparatus for pretreating solid biomass by saccharification, and method for saccharification of solid biomass |
| CN103221547A (en) * | 2010-11-09 | 2013-07-24 | 绿源乙醇公司 | Continuous process for the production of ethanol from lignocellulosic biomass |
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