CN208234844U

CN208234844U - A kind of heat carrier heater for biomass pyrolysis liquefaction

Info

Publication number: CN208234844U
Application number: CN201820310762.5U
Authority: CN
Inventors: 张晓敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-03-07
Filing date: 2018-03-07
Publication date: 2018-12-14
Anticipated expiration: 2028-03-07

Abstract

The utility model discloses a kind of heat carrier heaters for biomass pyrolysis liquefaction, the bottom of the perpendicular bed of burning is connected with the rear upper end for the horizontal bed that burns, the burn front end of horizontal bed is separately installed with oil burner and gas burner, perpendicular bed top burn equipped with surge bunker, the outlet at bottom of surge bunker pipeline tilted is connected with the side of smoke separator, the bottom of smoke separator is connected with the import of the first conveyer, the outlet of first conveyer is connected with the upper portion side wall of pyrolysis chamber, the bottom of pyrolysis chamber in the middle part of inclined pipeline and lower carrier room by being connected, the bottom of lower carrier room is connected by inclined pipeline with the lower sides of powdered carbon separator, the bottom of powdered carbon separator is connected with the import of second conveyor, the outlet of second conveyor is connected with the lower sides for the perpendicular bed that burns, the utility model Have the advantages that low energy consumption, stability is good, the economic benefit of enterprise can be effectively improved.

Description

A kind of heat carrier heater for biomass pyrolysis liquefaction

Technical field

The utility model belongs to biomass pyrolysis liquefaction technical field, and in particular to a kind of for biomass pyrolysis liquefaction Heat carrier heater.

Background technique

Today's society produces great demand to the energy, causes with the expansion of population and the quickening of process of industrialization The large scale mining of fossil energy utilizes, and leads to the increasingly weakening of fossil energy, degenerates, while it is dirty to also create serious environment Dye makes one to threaten the benign development of economic society by great destruction with naturally harmonious balance.Therefore, current This fossil energy is petered out, environmental pressure increasingly aggravates, oil demand rises steadily and world energy sources fight is more drilled In the case where stronger, renewable energy is being sought and developed to world community all one after another.The development and utilization of biomass energy is can be again One of the hot spot in raw energy research field, it refers to the energy using biomass as carrier, is that green plants will too by chlorophyll Sun can be converted into chemical energy and be stored in the form of energy inside biomass.Biomass can be given birth to by the process of fast pyrogenation Produce the biological oil product for being used for substitute fossil fuels, while by-product charcoal product and high heating value biological fuel gas.Bio oil is as only A kind of one renewable, clean substitution liquid fuel, by oil refinery technique production and transport alternative fuel, its exploitation and Using the problem of polluting environment because of straw burning is not only avoided, to Optimization of Energy Structure, energy-saving and emission-reduction, energy security is ensured Important in inhibiting.

Biomass pyrolysis liquefaction is to be degraded to liquid after biomass is heated in the case where complete anoxic or limited oxygen supply The process of product and a part of gaseous product and solid product；Agricultural wastes biolobic material resource is with stalk, rice husk, sugarcane Based on slag etc., fast pyrolysis technology is to produce bio oil as the main purpose.The technical process constant-pressure and high-temperature, enclosed oxygen isolation, It is carried out under conditions of the high rate of heat addition, heating process mostly uses greatly Ceramic Balls as heat carrier, collects biology by chilling technique Oil product is generated with byproducts such as gas, charcoal particles in production process.The direct fuel purposes of bio oil is that boiler is used or sent out Motor fuel；Also it can be used as chemicals raw material for extracting the chemical products with high added-value such as furfural, acetone, phenol；It is through rising Grade modifying process can also become transport fuel, the substitute as fossil fuel oil.

And the heating method of Ceramic Balls mostly uses greatly fixed-bed structure in the prior art, causes the speed difference of heating, simultaneously The prior art mostly uses greatly external heat source (such as electric power, diesel oil, natural gas) to heat heat carrier, to cause the energy Waste.

Utility model content

The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of for biomass pyrolysis liquefaction Heat carrier heater and its technique.

A kind of heat carrier heater for biomass pyrolysis liquefaction of technical solutions of the utility model, including burning are horizontal Bed, burn perpendicular bed, pyrolysis chamber, lower carrier room, powdered carbon separator, the bottom of the perpendicular bed that burns and the rear upper end for the horizontal bed that burns It is connected, the front end of the horizontal bed of burning is separately installed with oil burner and gas burner, and perpendicular bed top of burning is equipped with slow Storehouse is rushed, the outlet at bottom of surge bunker pipeline tilted is connected with the side of smoke separator, the smoke separator Bottom be connected with the import of the first conveyer, the outlet of first conveyer is connected with the upper portion side wall of pyrolysis chamber, The bottom of the pyrolysis chamber in the middle part of inclined pipeline and lower carrier room by being connected, and the bottom of the lower carrier room is by inclining Oblique pipeline is connected with the lower sides of powdered carbon separator, the bottom of the powdered carbon separator and the import phase of second conveyor Connection, the outlet of the second conveyor are connected with the lower sides for the perpendicular bed that burns.

Preferably, the top of the powdered carbon separator is connected by pipeline with the import of the first cyclone separator, described The outlet of first cyclone separator is connected by pipeline with the import of circulating fan, and the outlet of the circulating fan passes through pipeline It is connected with the side wall of powdered carbon separator.

Preferably, the top of the lower carrier room is connected by pipeline with the import of the second cyclone separator, and described The outlet of two cyclone separators is connected by pipeline with the import of oil condenser, the outlet of the oil condenser by pipeline with The import of combustion gas surge tank is connected, and the outlet of the combustion gas surge tank is connected by pipeline with the import of combustion gas blower, institute The outlet for stating combustion gas blower is connected by pipeline with the fuel gas inlet of gas burner.

Preferably, the upper portion side wall of the pyrolysis chamber is equipped with raw materials mouth.

A kind of heat carrier heating process for biomass pyrolysis liquefaction, by being stored in perpendicular bed heating process to heat carrier Room storage, then heat exchange is carried out to reactor；Storage room storage is separated off powdered carbon again under heat carrier after the heat exchange, again Perpendicular bed heating process；Wherein the rate of heat addition controls 103-104 DEG C/s, and temperature controls 550 DEG C or so of reaction temperature, is no more than The gas residence time of 2s and the rapid condensation of biomass and collection, gas yield with temperature and gas residence time extension And increase, conversely, lower temperature and the lower rate of heat addition can make material be easier to be carbonized again, solid biomass charcoal yield increases Add.

Compared with prior art, the utility model has the beneficial effects that

The use of the new type heats heat carrier as heat source by the not condensable biological flue gas of low temperature after pyrolysis, nothing Other energy need to be additionally supplemented, have the advantages that low energy consumption；For the utility model while obtaining high-quality biological oil, coproduction is raw Object charcoal, charcoal can be used to produce the charcoals product such as active carbon and machine-made carbon, to greatly improve the economic benefit of enterprise；Heat carrier Powdered carbon has been efficiently separated before into the perpendicular bed that burns, to avoid perpendicular bed slagging of burning, has greatly improved the steady of equipment operation It is qualitative.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of the heat carrier heater for biomass pyrolysis liquefaction of the utility model.

In figure, 1, surge bunker, 2, smoke separator, the 3, first conveyer, 4, raw materials mouth, 5, pyrolysis chamber, 6, downloading Body room, the 7, first cyclone separator, 8, powdered carbon separator, 9, circulating fan, 10, second conveyor, 11, oil burner, 12, Burn horizontal bed, 13, gas burner, 14, combustion gas blower, 15, the perpendicular bed of burning, the 16, second cyclone separator, 17, oil condenser, 18, combustion gas surge tank.

Specific embodiment

For convenient for those skilled in the art understand that technical solutions of the utility model, practical new to this now in conjunction with Figure of description Type technical solution is described further.

As shown in Figure 1, a kind of heat carrier heater for biomass pyrolysis liquefaction, including the horizontal bed 12 of burning, burning Perpendicular bed 15, pyrolysis chamber 5, lower carrier room 6, powdered carbon separator 8, described burn are erected on the bottom of bed 15 and the rear portion for the horizontal bed 12 that burns End is connected, and the front end of the horizontal bed 12 of burning is separately installed with oil burner 11 and gas burner 13, and burn perpendicular bed 15 Top is equipped with surge bunker 1, and the outlet at bottom pipeline tilted of the surge bunker 1 is connected with the side of smoke separator 2, institute The bottom for stating smoke separator 2 is connected with the import of the first conveyer 3, the outlet of first conveyer 3 and pyrolysis chamber 5 Upper portion side wall be connected, the bottom of the pyrolysis chamber 5 is connected by inclined pipeline with the middle part of lower carrier room 6, described The bottom of lower carrier room 6 is connected by inclined pipeline with the lower sides of powdered carbon separator 8, the powdered carbon separator 8 Bottom is connected with the import of second conveyor 10, the lower sides phase of the outlet of the second conveyor 10 and the perpendicular bed 15 that burns Connection, the top of the powdered carbon separator 8 are connected by pipeline with the import of the first cyclone separator 7, first whirlwind The outlet of separator 7 is connected by pipeline with the import of circulating fan 9, and the outlet of the circulating fan 9 passes through pipeline and charcoal The side wall of powder separator 8 is connected, and the top of the lower carrier room 6 is connected by pipeline with the import of the second cyclone separator 16 It connects, the outlet of second cyclone separator 16 is connected by pipeline with the import of oil condenser 17, the oil condenser 17 Outlet be connected by pipeline with the import of combustion gas surge tank 18, the outlet of the combustion gas surge tank 18 passes through pipeline and combustion gas The import of blower 14 is connected, and the outlet of the combustion gas blower 14 is connected by pipeline with the fuel gas inlet of gas burner 13 It connects, the upper portion side wall of the pyrolysis chamber 5 is equipped with raw materials mouth 4；

The working principle of the utility model is: when the utility model is used, biomass material is added from raw materials mouth 4 Into pyrolysis chamber 5, exchange heat in biomass pyrolytic room 5 and lower carrier room 6 with high-temperature heat carrier pyrolysis generation powdered carbon, bio oil and life Object combustion gas, biological flue gas, which carries bio oil and part powdered carbon and enters the second cyclone separator 16, isolates powdered carbon, biological flue gas and Bio oil enters in oil condenser 17 condensation and collection for realizing bio oil, and combustion gas is sent into the horizontal bed 12 that burns through combustion gas blower 14 Burning generates a large amount of high-temperature flue gas.Temperature reduces after high-temperature heat carrier and biomass material heat exchange, the heat carrier in lower carrier room 6 Enter powdered carbon separator 8 with powdered carbon, the flue gas that circulating fan 9 is sent into separates powdered carbon and heat carrier, the lesser charcoal of density Powder follows flue gas to enter in the first cyclone separator 7, and through second conveyor 10 to be sent into burning perpendicular for the big heat carrier sedimentation of density In bed 15, the horizontal burning of bed 12 of burning generates a large amount of high-temperature flue gas and heats to heat carrier, and heat carrier is sent into surge bunker 1, And then enter in smoke separator 2, then pyrolysis chamber 5 is sent by the first conveyer 3.

Technical solutions of the utility model are exemplarily described utility model above in conjunction with attached drawing, it is clear that this is practical Novel specific implementation is not subject to the restrictions described above, as long as using the method concept and technical solution progress of the utility model Various unsubstantialities improve, or it is not improved the conception and technical scheme of utility model are directly applied into other occasions, It both is within the protection scope of the present invention.

Claims

1. a kind of heat carrier heater for biomass pyrolysis liquefaction, including the horizontal bed (12) of burning, burn perpendicular bed (15), heat Solve room (5), lower carrier room (6), powdered carbon separator (8), it is characterised in that: described burn erects the bottom of bed (15) and the horizontal bed that burns (12) rear upper end is connected, and the front end of the horizontal bed (12) of burning is separately installed with oil burner (11) and fuel gas buring Device (13), perpendicular bed (15) top of burning are equipped with surge bunker (1), the outlet at bottom pipeline tilted and cigarette of the surge bunker (1) The side of gas separating device (2) is connected, and the bottom of the smoke separator (2) is connected with the import of the first conveyer (3), institute The outlet for stating the first conveyer (3) is connected with the upper portion side wall of pyrolysis chamber (5), and the bottom of the pyrolysis chamber (5) passes through inclination Pipeline and lower carrier room (6) in the middle part of be connected, the bottom of the lower carrier room (6) is separated by inclined pipeline with powdered carbon The lower sides of device (8) are connected, and the bottom of the powdered carbon separator (8) is connected with the import of second conveyor (10), institute The outlet for stating second conveyor (10) is connected with the lower sides for erecting bed (15) that burn.

2. a kind of heat carrier heater for biomass pyrolysis liquefaction according to claim 1, it is characterised in that: institute The top for stating powdered carbon separator (8) is connected by pipeline with the import of the first cyclone separator (7), first cyclonic separation The outlet of device (7) is connected by pipeline with the import of circulating fan (9), the outlet of the circulating fan (9) by pipeline with The side wall of powdered carbon separator (8) is connected.

3. a kind of heat carrier heater for biomass pyrolysis liquefaction according to claim 1, it is characterised in that: institute The top for stating lower carrier room (6) is connected by pipeline with the import of the second cyclone separator (16), second cyclonic separation The outlet of device (16) is connected by pipeline with the import of oil condenser (17), and the outlet of the oil condenser (17) passes through pipeline It is connected with the import of combustion gas surge tank (18), the outlet of the combustion gas surge tank (18) passes through pipeline and combustion gas blower (14) Import is connected, and the outlet of the combustion gas blower (14) is connected by pipeline with the fuel gas inlet of gas burner (13).

4. a kind of heat carrier heater for biomass pyrolysis liquefaction according to claim 1, it is characterised in that: institute The upper portion side wall for stating pyrolysis chamber (5) is equipped with raw materials mouth (4).