CN209584102U - Biomass and coal copyrolysis reactor - Google Patents

Abstract

The utility model discloses a kind of biomass and coal copyrolysis reactor, it include: reactor body, reactor body includes the first biomass pyrolytic cylinder set gradually from top to bottom, pyrolysis of coal cylinder and the second biomass pyrolytic cylinder, the side wall of first biomass pyrolytic cylinder is equipped at least one first biomass feeding mouth, the side wall of pyrolysis of coal cylinder is equipped at least one coal material inlet, the side wall of second biomass pyrolytic cylinder is equipped at least one second biomass feeding mouth and bottom is equipped with product exit, multiple heat accumulation type radiant tubes of uniform intervals setting are respectively equipped in first biomass pyrolytic cylinder and pyrolysis of coal cylinder, the cross-sectional area of first biomass pyrolytic cylinder and the second biomass pyrolytic cylinder is respectively smaller than the cross-sectional area of pyrolysis of coal cylinder, the outer wall of second biomass pyrolytic cylinder is equipped with thermal insulating material materials and parts.Biomass according to the present utility model and coal copyrolysis reactor, biomass and the structure of coal copyrolysis reactor are relatively easy.

Description

Biomass and coal copyrolysis reactor

Technical field

The utility model relates to chemical industry, energy technology field, more particularly, to a kind of biomass and coal copyrolysis reactor.

Background technique

Coal is one of proved reserves conventional resource the most abundant in the world.As maximum coal production in the world and Country of consumption, the energy resource structure feature in China are rich coal, oil-poor, few gas.It is the urgent of national product that the clean and effective of coal, which utilizes, Demand.

Meanwhile China's biomass resource is also very rich, is often only agricultural crop straw, fuel wood, animal wastes and life rubbish The yield of the four biolobic material raw material such as rubbish is equivalent to 7.8 hundred million toe (abbreviation of Ton Oil Equivalent, ton oil equivalent), 50% than China's total energy consumption in 2000 is more.Biomass as the renewable energy that uniquely can be stored and transport it One, it is huge in global yield, it is widely distributed, it is smaller by territory restriction, it can regenerate.With countries in the world to energy conservation, The attention of the problems such as environmental protection and Global climate change, so that strategic position of the renewable energy in energy development is more prominent Out, biomass is converted into high-grade gas and liquid fuel has caused the great attention of countries in the world.

Relative to coal burning, gasification, liquefaction process, fast pyrogenation converts coal into solid-state, liquid and gaseous product, is It realizes the important method of coal clean utilization, and converts biomass into a kind of important channel of liquid fuel and gas.Coal is A kind of poor hydrogen substance, pyrolysis yield is low, and therefore, the mode that added hydrogen is typically employed to during to pyrolysis of coal improves coal Conversion ratio, but the production cost of general additional pure hydrogen is higher, finds a kind of cheap hydrogen source and has become a hot topic of research.Biology Matter is as a kind of hydrogen-rich materials, and not only pyrolysis temperature is lower than pyrolysis of coal temperature, is pyrolyzed prior to coal, and rich hydrogen producing, can Using the hydrogen source as pyrolysis of coal, bio oil high income, but oxygen content are high.In order to both overcome individually pyrolysis insufficient, by coal with Biomass copyrolysis gasification, the two pyrolytic gasification process can be effectively combined, advantage gives full play to, reduce at produce at This, improves target product yield.

Currently, domestic and international existing pyrolytic process mostly uses porcelain ball and thermal decomposition product semicoke conduct from the point of view of heating method Coal gas after solid thermal carriers or product char Gasification is as heating methods such as gas heat carriers.This heating method is related to The processes such as heating, the separation of heat carrier cause system process long, and system failure rate is higher.The solid thermals such as semicoke, porcelain ball carry Body has seriously affected the processing capacity of pyrolysis furnace apparatus, and there is also larger security risks for the preheating of the gas heat carriers such as coal gas.

From the point of view of type of reactor angle, majority using thermobalance, fixed bed, fluidized bed, air flow bed etc. to biomass with Coal copyrolysis is studied.According to the difference of type of reactor, it is broadly divided into slow pyrolysis and fast pyrogenation two types, but Result of study is fresh to show there is synergistic effect between the two less, and main cause is that the temperature range of biomass and pyrolysis of coal does not almost have There are overlapping, 100 DEG C of difference or more.For the slow pyrolysis reaction carried out on thermobalance and fixed bed, when coal starts heat Xie Shi, completely, the hydrogen having more than needed in biomass cannot be used effectively for pyrolysis of coal biomass for pyrolysis substantially, cause to be difficult to assist Same-action；And for the fast pyrogenation for being carried out on fluidized bed or air flow bed, both the fast rate of heat addition can reduce pyrolysis The temperature difference, but due to the two density contrast and airflow function, the hydrogen-rich in biomass is also not easy to be transferred in pyrolysis of coal oil gas, and collaboration is made With also unobvious.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model One purpose is to propose a kind of biomass and coal copyrolysis reactor, and the synergistic effect of biomass and pyrolysis of coal is more preferable.

According to the biomass of the utility model embodiment and coal copyrolysis reactor, comprising: reactor body, the reaction Device ontology includes the first biomass pyrolytic cylinder, pyrolysis of coal cylinder and the second biomass pyrolytic cylinder set gradually from top to bottom The side wall of body, the first biomass pyrolytic cylinder is equipped at least one first biomass feeding mouth, the pyrolysis of coal cylinder Side wall be equipped at least one coal material inlet, it is second raw that the side wall of the second biomass pyrolytic cylinder is equipped at least one Substance material inlet and bottom are equipped with product exit, are respectively equipped in the first biomass pyrolytic cylinder and the pyrolysis of coal cylinder Multiple heat accumulation type radiant tubes of uniform intervals setting, the first biomass pyrolytic cylinder and the second biomass pyrolytic cylinder Cross-sectional area be respectively smaller than the cross-sectional area of the pyrolysis of coal cylinder, the outer wall of the second biomass pyrolytic cylinder is equipped with Thermal insulating material materials and parts.

According to the biomass of the utility model embodiment and coal copyrolysis reactor, it is sequentially communicated from top to bottom by setting The first biomass pyrolytic cylinder, pyrolysis of coal cylinder and the second biomass pyrolytic cylinder, and make the first biomass pyrolytic cylinder and The cross-sectional area of second biomass pyrolytic cylinder is respectively less than the cross-sectional area of pyrolysis of coal cylinder, life in the first biomass pyrolytic cylinder The hydrogen-rich that substance generates can enter under the effect of gravity in pyrolysis of coal cylinder, to provide required hydrogen-rich ring for pyrolysis of coal Border is effectively transferred to the hydrogen-rich in biomass in coal, and biomass and coal synergistic effect are obvious, improves the heat of coal Solve conversion ratio；The product obtained after pyrolysis of coal can flow downward under the effect of gravity and be that the second biomass pyrolytic cylinder is intracorporal Biomass pyrolytic provides heat, so that the second pyrolysis intracorporal biomass of cylinder can be smoothly pyrolyzed.It is not necessarily to as a result, to reactor sheet It is passed through lift gas in vivo, simplifies the structure of biomass Yu coal copyrolysis reactor.

Moreover, by the way that thermal insulating material materials and parts are arranged on the outer wall of the second biomass pyrolytic cylinder, so as to utilize coal heat Needed for the high-temperature oil gas and semicoke sensible heat that solution cylinder pyrolysis generates provide for the second intracorporal biomass pyrolytic of biomass pyrolytic cylinder Heat reduce energy consumption it is not necessary that pyrolysis heat source is provided separately to the second biomass pyrolytic cylinder, reduce costs, and pass through The heat absorption of second biomass pyrolytic cylinder endogenous substance pyrolysis can reduce the temperature of coal such as low-order coal pyrolysis oil gas, can be with Reduce secondary response, sufficiently so as to improve pyrolysis of coal tar yield.In addition, by setting the first biomass pyrolytic cylinder and Second biomass pyrolytic cylinder, improves the treating capacity of biomass pyrolytic.

In addition, by being respectively arranged the multiple of uniform intervals setting in the first biomass pyrolytic cylinder and pyrolysis of coal cylinder Heat accumulation type radiant tube, with it is traditional using porcelain ball and thermal decomposition product semicoke as solid thermal carriers or product char Gasification after Coal gas compared as heating methods such as gas heat carriers, eliminate heat carrier and mechanical rotation device, process flow is simple, is Temperature control of uniting is accurate, temperature adjustment is convenient, and heating, separation process without gas and solid thermal carriers reduce the failure rate of system.

Some embodiments according to the present utility model, the thermal insulating material materials and parts are coated on the second biomass pyrolytic cylinder Entire periphery wall on.

Some embodiments according to the present utility model, between the first biomass pyrolytic cylinder and the pyrolysis of coal cylinder It is connected with the first flared section that cross-sectional area from top to bottom is gradually increased, the pyrolysis of coal cylinder and second biomass pyrolytic The second flared section that cross-sectional area from top to bottom is gradually reduced is connected between cylinder.

The both ends of some embodiments according to the present utility model, each heat accumulation type radiant tube are respectively equipped with burner.

Some embodiments according to the present utility model, the temperature difference on each heat accumulation type radiant tube are not higher than 40 DEG C.

Some embodiments according to the present utility model, the intracorporal heat accumulation type radiant tube of the first biomass pyrolytic cylinder Temperature be 350 DEG C~550 DEG C, the temperature of the intracorporal heat accumulation type radiant tube of pyrolysis of coal cylinder is 650 DEG C~950 DEG C.

Some embodiments according to the present utility model, multiple heat accumulation type radiant tubes are between horizontal and vertical upper grade respectively Away from horizontal arrangement in the reactor body.

Some embodiments according to the present utility model, the first biomass pyrolytic cylinder and second biomass pyrolytic The diameter of cylinder is respectively the 20%~50% of the diameter of the pyrolysis of coal cylinder.

Some embodiments according to the present utility model, the first biomass pyrolytic cylinder and second biomass pyrolytic The height of cylinder is respectively the 30%~80% of the height of the pyrolysis of coal cylinder.

Some embodiments according to the present utility model, from the first biomass feeding mouth and second biomass feeding The feed flow rates ratio of the biomass and the coal entered from the coal material inlet that mouth enters is respectively between 1:6~1:1.

Some embodiments according to the present utility model, the first biomass feeding mouth and the first biomass pyrolytic cylinder The 1/12~1/6 of the first biomass pyrolytic cylinder height is accounted for the distance between at the top of body；The coal material inlet and the coal The 1/12~1/6 of the pyrolysis of coal cylinder height is accounted for the distance between at the top of pyrolysis cylinder；The second biomass feeding mouth with The 1/12~1/6 of the second biomass pyrolytic cylinder height is accounted for the distance between at the top of the second biomass pyrolytic cylinder.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the schematic diagram of the biomass and coal copyrolysis reactor according to the utility model embodiment.

Appended drawing reference:

100: biomass and coal copyrolysis reactor；

1: the first biomass pyrolytic cylinder；11: the first biomass feeding mouths；

2: pyrolysis of coal cylinder；21: coal material inlet；22: the first flared sections；23: the second flared sections；

3: the second biomass pyrolytic cylinders；31: the second biomass feeding mouths；32: product exit；

33: thermal insulating material materials and parts；4: heat accumulation type radiant tube.

Specific embodiment

Below with reference to Fig. 1 description according to the biomass and coal copyrolysis reactor 100 of the utility model embodiment.Wherein, Coal can be low-order coal, and flame is longer and have the lower a kind of coal of cigarette, degree of coalification when low-order coal is burning.Below the application Description in, be illustrated by taking low-order coal as an example.Certainly, it will be understood by those skilled in the art that coal can also be other types Coal, for example, high-order coal etc..

As shown in Figure 1, according to the biomass of the utility model embodiment and coal copyrolysis reactor 100, including reactor Ontology.

Specifically, reactor body includes the first biomass pyrolytic cylinder 1, the pyrolysis of coal cylinder set gradually from top to bottom Body 2 and the second biomass pyrolytic cylinder 3.For example, in the example of fig. 1, the first biomass pyrolytic cylinder 1,2 and of pyrolysis of coal cylinder Second biomass pyrolytic cylinder 3 coaxially arranged and can extend along the vertical direction, the first biomass pyrolytic cylinder 1, pyrolysis of coal Cylinder 2 is connected to inside each other with the second biomass pyrolytic cylinder 3 and is sequentially arranged from up to down, and pyrolysis of coal cylinder 2 is located at the Between one biomass pyrolytic cylinder 1 and the second biomass pyrolytic cylinder 3.Pass through setting 1 He of the first biomass pyrolytic cylinder as a result, The two are used for the cylinder of biomass pyrolytic to second biomass pyrolytic cylinder 3, improve biomass pyrolytic treating capacity.It is practical at this In novel description, " fisrt feature ", " second feature " may include one or more of the features.

The side wall of first biomass pyrolytic cylinder 1 is equipped at least one first biomass feeding mouth 11, the second biomass The side wall for being pyrolyzed cylinder 3 is equipped at least one second biomass feeding mouth 31.Biomass such as agricultural crop straw, moves fuel wood Object excrement and house refuse etc. can have respectively entered by the first biomass feeding mouth 11 and the second biomass feeding mouth 31 In one biomass pyrolytic cylinder 1 and the second biomass pyrolytic cylinder 3.The side wall of pyrolysis of coal cylinder 2 is equipped at least one coal and gives Material mouth 21.Coal such as low-order coal etc. can be entered in pyrolysis of coal cylinder 2 by coal material inlet 21.Second biomass pyrolytic cylinder 3 bottom is equipped with product exit 32, and the product obtained after pyrolysis is discharged by product exit 32.

Multiple heat accumulating type spokes of uniform intervals setting are respectively equipped in first biomass pyrolytic cylinder 1 and pyrolysis of coal cylinder 2 Penetrate pipe 4.The meaning of " plurality " is two or more in the description of the present invention,.Heat accumulation type radiant tube 4 is biomass Heat source is provided with the pyrolytic reaction in coal copyrolysis reactor 100.It, can be by first when the work of multiple heat accumulation type radiant tubes 4 Biomass pyrolytic cylinder 1 and biomass in pyrolysis of coal cylinder 2 and coal are pyrolyzed respectively.Moreover, by the first biomass Evenly-spaced multiple heat accumulation type radiant tubes 4 are respectively arranged in pyrolysis cylinder 1 and pyrolysis of coal cylinder 2, can be individually for reacting Coal and biomass in device ontology provide heat source, are heated evenly biomass and coal, so that the product quality arrived is equal It is even, while ensure that the yield of thermal decomposition product, moreover, because without heat carrier and mechanical rotation device, process flow is simple, is Temperature control of uniting is accurate, temperature adjustment is convenient, and heating, separation process without gas and solid thermal carriers reduce the failure rate of system.

The cross-sectional area of first biomass pyrolytic cylinder 1 and the second biomass pyrolytic cylinder 3 is respectively smaller than pyrolysis of coal cylinder 2 Cross-sectional area.That is, the cross-sectional area of the first biomass pyrolytic cylinder 1 is less than the cross-sectional area of pyrolysis of coal cylinder 2, and The cross-sectional area of second biomass pyrolytic cylinder 3 is less than the cross-sectional area of pyrolysis of coal cylinder 2.The first life is made by setting as a result, The cross-sectional area of material pyrolysis cylinder 1 is less than the cross-sectional area of pyrolysis of coal cylinder 2, and biomass can be effectively ensured and reach with pyrolysis of coal To synergistic effect, specifically, for example, the cross-sectional area due to the first biomass pyrolytic cylinder 1 is less than the transversal of pyrolysis of coal cylinder 2 Area, in this way, the hydrogen generated in biomass pyrolysis process can be first in relatively small first biomass pyrolytic cylinder, 1 cohesion in space Collection, thus formed be rich in hydrogen gas, and then when these rich in hydrogen gases when entering the top of pyrolysis of coal cylinder 2 still It is maintained at the state rich in hydrogen.By the way that the cross for making the cross-sectional area of the second biomass pyrolytic cylinder 3 be less than pyrolysis of coal cylinder 2 is arranged The heat of sectional area, the product after the interior pyrolysis of pyrolysis of coal cylinder 2 can flow downward and be gathered in the second biomass pyrolytic cylinder 3 It is interior, so that the biomass in the second biomass pyrolytic cylinder 3 is smoothly pyrolyzed.

The outer wall of second biomass pyrolytic cylinder 3 is equipped with thermal insulating material materials and parts 33.As a result, by the second biomass pyrolytic Thermal insulation material part 33 is set outside cylinder 3, and the high-temperature oil gas and semicoke sensible heat generated by pyrolysis of coal in pyrolysis of coal cylinder 2 is second raw Biomass pyrolytic in material pyrolysis cylinder 3 provides required heat, without being individually in the second biomass pyrolytic cylinder 3 Biomass provide pyrolysis heat source, reduce energy consumption, realize energy conservation.For another angle, pass through the second biomass thermal The heat absorption for solving the pyrolysis of 3 endogenous substance of cylinder reduces the temperature of the pyrolysis oil gas such as coal such as low-order coal, can sufficiently reduce secondary Reaction, improves pyrolysis of coal tar yield.

It is as follows according to the biomass of the utility model embodiment and the pyrolytic process of coal copyrolysis reactor 100:

Biomass is each led into the first biomass by the first biomass feeding mouth 11 and the second biomass feeding mouth 31 It is pyrolyzed in cylinder 1 and the second biomass pyrolytic cylinder 3, coal such as low-order coal is passed through pyrolysis of coal cylinder 2 by coal material inlet 21. Biomass in first biomass pyrolytic cylinder 1 will flow downward under self gravitation effect, and by the first biomass pyrolytic cylinder Heat accumulation type radiant tube 4 in body 1 heats, and pyrolytic reaction occurs, and generates oil gas.The oil gas is downwardly into the top of pyrolysis of coal cylinder 2 Portion, and mixed with the coal such as low-order coal entered by coal material inlet 21, required hydrogen-rich ring is provided for coal such as low order pyrolysis of coal Border.The coal such as low-order coal at 2 top of pyrolysis of coal cylinder is flowed downward in the environment of hydrogen-rich by gravity, and by pyrolysis of coal cylinder Heat accumulation type radiant tube 4 in body 2 heats, and pyrolytic reaction occurs, and generates gaseous state, liquid product and solid semicoke.The gaseous state, liquid State product and solid semicoke enter the top of the second biomass pyrolytic cylinder 3 from the bottom of pyrolysis of coal cylinder 2, and with from the The biomass of two biomass feeding mouths 31 mixes, and provides heat for the biomass pyrolytic in the second biomass pyrolytic cylinder 3.Second Biomass in biomass pyrolytic cylinder 3 occurs under the action of the thermal insulating material materials and parts 33 of 3 outer wall of the second biomass pyrolytic cylinder Pyrolytic reaction.Meanwhile the heat-absorbing action being pyrolyzed by 3 endogenous substance of the second biomass pyrolytic cylinder, it is for example low coal can be reduced The temperature of rank pyrolysis of coal oil gas, sufficiently reduction secondary response, improve pyrolysis of coal tar yield.Finally, thermal decomposition product is from second The product exit 32 of 3 bottom of biomass pyrolytic cylinder removes, into subsequent product dedusting, condensation, separation and refining system.

According to the biomass of the utility model embodiment and coal copyrolysis reactor 100, by being arranged from top to bottom successively The first biomass pyrolytic cylinder 1, pyrolysis of coal cylinder 2 and the second biomass pyrolytic cylinder 3 of connection, and make the first biomass pyrolytic The cross-sectional area of cylinder 1 and the second biomass pyrolytic cylinder 3 is respectively less than the cross-sectional area of pyrolysis of coal cylinder 2, the first biomass thermal The hydrogen-rich that solution 1 endogenous substance of cylinder generates can enter under the effect of gravity in pyrolysis of coal cylinder 2, to be coal such as low order Pyrolysis of coal provides required environment rich, and the hydrogen-rich in biomass is effectively transferred in coal, biomass and coal association Same-action is obvious, improves the converting rate of coal；The product obtained after pyrolysis of coal can flow downward under the effect of gravity simultaneously Heat is provided for the biomass pyrolytic in the second biomass pyrolytic cylinder 3, thus the biomass in the second biomass pyrolytic cylinder 3 It can smoothly be pyrolyzed.

As a result, without being passed through lift gas into reactor body, biomass and coal copyrolysis reactor 100 are simplified Structure.Moreover, by the top that the first biomass pyrolytic cylinder 1 is arranged in the second biomass pyrolytic cylinder 3, so that pyrolysis of coal It is pyrolyzed completely, simultaneously under the biomass pyrolytic atmosphere in the first biomass pyrolytic cylinder 1 of coal rapidly above it in cylinder 2 Hydrogen-rich in biomass is effectively transferred in coal, certain to the generation of pyrolysis of coal oil gas adds hydrogen saturation, improves coal heat Solve conversion ratio.

Moreover, by the way that thermal insulating material materials and parts 33 are arranged on the outer wall of the second biomass pyrolytic cylinder 3, so as to utilize coal The high-temperature oil gas and semicoke sensible heat that the pyrolysis pyrolysis of cylinder 2 generates provide for the biomass pyrolytic in the second biomass pyrolytic cylinder 3 Required heat reduces energy consumption, reduces costs it is not necessary that pyrolysis heat source is provided separately to the second biomass pyrolytic cylinder 3, and The heat absorption being pyrolyzed by 3 endogenous substance of the second biomass pyrolytic cylinder can reduce the temperature of coal such as low-order coal pyrolysis oil gas, Secondary response can be reduced, sufficiently so as to improve pyrolysis of coal tar yield.In addition, passing through the first biomass pyrolytic cylinder of setting Body 1 and the second biomass pyrolytic cylinder 3, improve the treating capacity of biomass pyrolytic.

In addition, by being respectively arranged the more of uniform intervals setting in the first biomass pyrolytic cylinder 1 and pyrolysis of coal cylinder 2 A heat accumulation type radiant tube 4 uses porcelain ball and thermal decomposition product semicoke as solid thermal carriers or product char Gasification with traditional Coal gas afterwards is compared as heating methods such as gas heat carriers, eliminates heat carrier and mechanical rotation device, process flow is simple, System temperature control is accurate, temperature adjustment is convenient, and heating, separation process without gas and solid thermal carriers reduce the failure rate of system.

Some embodiments according to the present utility model, thermal insulating material materials and parts 33 are coated on the whole of the second biomass pyrolytic cylinder 3 On a periphery wall, as shown in Figure 1.The high-temperature oil gas and semicoke that the pyrolysis such as coal such as low-order coal generate in pyrolysis of coal cylinder 2 as a result, Sensible heat is unlikely to temperature and drops too fast entering in the second biomass pyrolytic cylinder 3, allows the biomass in it smooth Pyrolysis, the pyrolysis rate of 3 endogenous substance of the second biomass pyrolytic cylinder are higher.

Further, referring to Fig.1, it is connected between the first biomass pyrolytic cylinder 1 and pyrolysis of coal cylinder 2 horizontal from top to bottom The first flared section 22 that sectional area is gradually increased, be connected between pyrolysis of coal cylinder 2 and the second biomass pyrolytic cylinder 3 to The second flared section 23 that down cross-sectional product is gradually reduced.As a result, by the first flared section 22 of setting, hydrogen-rich is entering pyrolysis of coal It is closer with the coal that is entered by coal material inlet 21 when the top of cylinder 2, to further improve the synergistic effect of biomass and coal. By the way that the second flared section 23 is arranged, the product after pyrolysis can more successfully flow down to the second biomass pyrolytic cylinder 3 It is interior, without the congregate in pyrolysis of coal cylinder 2.

The both ends of some embodiments according to the present utility model, each heat accumulation type radiant tube 4 are respectively equipped with burner.Specifically Ground is said, for example, heat accumulation type radiant tube 4 is respectively arranged with burner at its tube body both ends, the combustion in one end of heat accumulation type radiant tube 4 The flame that burner burning generates formation temperature gradient when spraying, i.e., gradually decrease from the outside temperature of burner.Similarly, it is storing The flame that the burner combustion of the other end of hot type radiant tube 4 generates also formation temperature gradient when spraying.When heat accumulating type radiates When the burner at 4 both ends of pipe alternately burns, two temperature gradient superpositions are formed by, so that entire heat accumulating type radiation 4 bulk temperature of pipe is evenly distributed, and then can make the reaction mass in the first biomass pyrolytic cylinder 1 and pyrolysis of coal cylinder 2 It is heated evenly.Certainly, the burner at 4 both ends of heat accumulation type radiant tube can also burn simultaneously, can equally entirely to store 4 bulk temperature of hot type radiant tube is evenly distributed.

Further, the temperature difference on each heat accumulation type radiant tube 4 is not higher than 40 DEG C.When each heat accumulation type radiant tube 4 on Maximum temperature and minimum temperature difference be less than or equal to 40 DEG C.As a result, if the temperature difference on each heat accumulation type radiant tube 4 is greater than 40 DEG C, the temperature difference on each heat accumulation type radiant tube 4 is relatively large at this time, so as to occur the first biomass pyrolytic cylinder 1 or In other words the even phenomenon of reaction mass uneven heating in pyrolysis of coal cylinder 2 is made on each heat accumulation type radiant tube 4 by setting Temperature difference be not higher than 40 DEG C, it is heated that reaction mass can be effectively ensured in the first biomass pyrolytic cylinder 1 and pyrolysis of coal cylinder 2 Uniformly.

Optionally, the temperature of the heat accumulation type radiant tube 4 in the first biomass pyrolytic cylinder 1 be 350 DEG C~550 DEG C (including Endpoint value), the temperature of the heat accumulation type radiant tube 4 in pyrolysis of coal cylinder 2 is 650 DEG C~950 DEG C (including endpoint value).As a result, may be used To guarantee that biomass and pyrolysis of coal reach synergistic effect.Specifically, sectional temperature-controlled method is used at this time, is distinguished in the same time Reach the optimum temperature of biomass and pyrolysis of coal, so that the hydrogen-rich in biomass is efficiently transferred in coal, so that pyrolysis of coal can be with It is pyrolyzed completely under biomass pyrolytic atmosphere, and then improves pyrolysis of coal conversion ratio and target product yield.

Some embodiments according to the present utility model, as shown in Figure 1, multiple heat accumulation type radiant tubes 4 are on horizontal and vertical Equidistant horizontal arrangement is in reactor body respectively.Thus, it is possible to be further ensured that the first biomass pyrolytic cylinder 1 and coal heat Biomass and coal in solution cylinder 2 are heated evenly.

Some embodiments according to the present utility model, the first biomass pyrolytic cylinder 1 and the second biomass pyrolytic cylinder 3 Diameter is respectively 20%~50% (including endpoint value) of the diameter of pyrolysis of coal cylinder 2.In other words, the first biomass pyrolytic cylinder The diameter of body 1 be pyrolysis of coal cylinder 2 diameter 20%~50% (including endpoint value), the second biomass pyrolytic cylinder 3 it is straight Diameter is 20%~50% (including endpoint value) of the diameter of pyrolysis of coal cylinder 2.The first biomass pyrolytic cylinder 1, second is raw at this time The cross-sectional shape of material pyrolysis cylinder 3 and pyrolysis of coal cylinder 2 is circle.Thus, it is possible to guarantee the first biomass well The pyrolysis of coal in biomass and pyrolysis of coal cylinder 2 in pyrolysis cylinder 1 and the second biomass pyrolytic cylinder 3 reaches synergistic effect.

Further, the height of the first biomass pyrolytic cylinder 1 and the second biomass pyrolytic cylinder 3 is respectively pyrolysis of coal cylinder 30%~80% (including endpoint value) of the height of body 2.The height of the first biomass pyrolytic cylinder 1 is pyrolysis of coal cylinder 2 at this time Height 30%~80% (including endpoint value), the height of the second biomass pyrolytic cylinder 3 is the height of pyrolysis of coal cylinder 2 30%~80% (including endpoint value).Thus, it is possible to biomass and the coal heat being further ensured that in the first biomass pyrolytic cylinder 1 Solution reaches good synergistic effect, and relatively large number of biomass can be pyrolyzed completely in the second biomass pyrolytic cylinder 3.

Optionally, it is fed from the biomass that the first biomass feeding mouth 11 and the second biomass feeding mouth 31 enter with from coal The feed flow rates ratio for the coals that mouth 21 enters is respectively between 1:6~1:1 (including endpoint value).I.e. from the first biomass feeding mouth 11 The feed flow rates ratio of the biomass of entrance and the coal entered from coal material inlet 21 is between 1:6~1:1 (including endpoint value), from the Two biomass feeding mouths 31 enter biomass with from coal material inlet 21 enter coal feed flow rates ratio 1:6~1:1 (including Endpoint value) between.Thus, it is possible to be further ensured that biomass and pyrolysis of coal in the first biomass pyrolytic cylinder 1 reach fine Synergistic effect, and relatively large number of biomass can be pyrolyzed completely in the second biomass pyrolytic cylinder 3.

Some embodiments according to the present utility model, referring to Fig.1, the first biomass feeding mouth 11 are located at the first biomass thermal The top of cylinder 1 is solved, coal material inlet 21 is located at the top of pyrolysis of coal cylinder 2, and the second biomass feeding mouth 31 is located at the second biology The top of matter pyrolysis cylinder 3.As a result, by the way that the first biomass feeding mouth 11 is arranged in the upper of the first biomass pyrolytic cylinder 1 Portion after biomass is sufficiently pyrolyzed in the first biomass pyrolytic cylinder 1, flows down to coal heat under the effect of gravity It solves in cylinder 2, to ensure that the pyrolysis effect of biomass, while also providing good environment rich for pyrolysis of coal.Pass through Coal material inlet 21 is arranged in the top of pyrolysis of coal cylinder 2, the coal newly entered from coal material inlet 21 can be raw from first with top The oil gas that the biomass pyrolytic that material pyrolysis cylinder 1 enters generates is better mixed, required so as to provide for pyrolysis of coal Environment rich.By the way that the second biomass feeding mouth 31 to be arranged in the top of the second biomass pyrolytic cylinder 3, pyrolysis of coal cylinder 2 The high-temperature oil gas and semicoke sensible heat that interior pyrolysis of coal generates can connect with the biomass entered by the second biomass feeding mouth 31 rapidly Touching makes its pyrolysis, and pyrolysis effect is good, and good environment rich can be provided for pyrolysis of coal.

Still optionally further, the distance between the first biomass feeding mouth 11 and 1 top of the first biomass pyrolytic cylinder account for 1/12~1/6 (including endpoint value) of first biomass pyrolytic cylinder, 1 height；Coal material inlet 21 and 2 top of pyrolysis of coal cylinder Between distance account for 1/12~1/6 (including endpoint value) of 2 height of pyrolysis of coal cylinder；Second biomass feeding mouth 31 and the second biology The distance between 3 top of matter pyrolysis cylinder accounts for 1/12~1/6 (including endpoint value) of 3 height of the second biomass pyrolytic cylinder.By This, may further ensure that biomass and pyrolysis of coal reach good synergistic effect.

Two the first biomass feeding mouths, 11, two coal material inlets 21 and two the second biomass feedings are shown in Fig. 1 Mouthfuls 31 for illustration purposes, but those of ordinary skill can manage after having read following technical solution, obviously The program is applied to three or more the first biomass feeding mouth 11, coal material inlet 21 and second biomass feeding mouths by solution In 31 technical solution, this is also fallen within the protection scope of the utility model.

Specifically, for example, in the example of fig. 1, the two sides of the first biomass pyrolytic cylinder 1 are respectively arranged with one first Biomass feeding mouth 11, the two sides of pyrolysis of coal cylinder 2 are respectively arranged with a coal material inlet 21, the second biomass pyrolytic cylinder 3 Two sides be respectively arranged with a second biomass feeding mouth 31.Further, two the first biomass feeding mouths 11 can edge Diametrically, two coal material inlets 21 can be along pyrolysis of coal cylinder 2 diametrically for first biomass pyrolytic cylinder 1, and two Second biomass feeding mouth 31 can be along the second biomass pyrolytic cylinder 3 diametrically.

Optionally, the first biomass feeding mouth 11, coal material inlet 21 and the second biomass feeding mouth 31 are respectively that spiral is given Material mouth.Spiral can be respectively equipped at the first biomass feeding mouth 11, coal material inlet 21 and the second biomass feeding mouth 31 at this time Reaction mass is respectively screw and is delivered to corresponding material inlet (i.e. above-mentioned the first biomass feeding mouth 11, coal by feeder Material inlet 21 and the second biomass feeding mouth 31).But not limited to this.

It is as follows according to the biomass of the utility model embodiment and the operating process of coal copyrolysis reactor 100:

It is 100 DEG C~270 DEG C by the temperature after drying, preheating, granularity 80% is less than 10mm biomass below through first Biomass feeding mouth 11 and the second biomass feeding mouth 31 are respectively fed to the first biomass pyrolytic cylinder 1 and the second biomass pyrolytic Cylinder 3；It is 100 DEG C~270 DEG C by the temperature after drying, preheating, granularity 80% is less than 6mm coal below such as low-order coal through coal Material inlet 21 is sent into pyrolysis of coal cylinder 2.The intracorporal biomass of first segment biomass pyrolytic cylinder is by gravity along the first biomass Pyrolysis cylinder 1 flows downward, and is heated to 350~550 DEG C by the heat accumulation type radiant tube 4 in it in 2~8s, and it is anti-that pyrolysis occurs It answers, generates oil gas.The oil gas enters 2 top of pyrolysis of coal cylinder, and mixes with such as low-order coal of the coal from coal material inlet 21, is Low order pyrolysis of coal provides required environment rich.The low-order coal at 2 top of pyrolysis of coal cylinder is in the environment of hydrogen-rich, by gravity Effect, flows downward along pyrolysis of coal cylinder 2, is heated to 650~950 DEG C by the heat accumulation type radiant tube 4 in it in 3~12s, hair Raw pyrolytic reaction, generates gaseous state, liquid product and solid semicoke.These gaseous states, liquid product and solid semicoke are warm from coal It solves 2 bottom of cylinder and enters 3 top of the second biomass pyrolytic cylinder, and is mixed with the biomass from the second biomass feeding mouth 31 It closes, form biomass pyrolysis provides heat.Under the action of the thermal insulating material materials and parts 33 of 3 outer wall of the second biomass pyrolytic cylinder, biology Matter maintains 400~550 DEG C, and pyrolytic reaction occurs.Meanwhile the suction being pyrolyzed by 3 endogenous substance of the second biomass pyrolytic cylinder Heat effect reduces the temperature of low-order coal pyrolysis oil gas, substantially reduces secondary response, improve pyrolysis of coal tar yield.Most Eventually, thermal decomposition product is removed from the product exit 32 of 3 bottom of the second biomass pyrolytic cylinder, into subsequent product dedusting, condensation, is divided From and refining system.

Some embodiments according to the present utility model, when reactor body operates under normal pressure (i.e. an atmospheric pressure), The cross-sectional shape of reactor body is rectangular or round.But not limited to this.It is understood that the pressure in reactor body When roughly the same with outside atmospheric pressure, the concrete shape of reactor body can be designed according to actual needs, with more preferable Ground meets practical application.

Certainly, the utility model is without being limited thereto, other embodiments according to the present utility model, when reactor body is in height When pressure operates under (being greater than an atmospheric pressure), the cross-sectional shape of reactor body is circle.At this time due to reactor body The pressure that interior pressure is greater than outside atmosphere can be protected effectively by the way that the cross-sectional shape of reactor body to be provided in round Demonstrate,proving reactor body has good pressure-resistant performance.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " axial direction ", " radial direction ", " circumferential direction " is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

It is below rice straw and coal such as Xinjiang lignite as raw material using biomass, through crushing, drying, preheating, rice straw Stalk is dried to moisture and is less than 8mm less than 8%, 80% granularity；Xinjiang lignite is dried to moisture and is less than less than 15%, 80% granularity It is illustrated for 4mm.

Rice straw feed flow rates are 5kg/s, and Xinjiang lignite feed flow rates are 15kg/s.Rice straw is added separately to First biomass feeding mouth 11 of one biomass pyrolytic cylinder 1 and the second biomass feeding mouth of the second biomass pyrolytic cylinder 3 31, Xinjiang lignite is increased to the coal material inlet 21 of pyrolysis of coal cylinder 2.First biomass pyrolytic cylinder 1 and the second biomass thermal Solution cylinder 3 and pyrolysis of coal cylinder 2 are cylindrical shape, and diameter is respectively 0.8m, 2.8m and 0.8m, and height is respectively 3m, 7.5m And 3m.First biomass feeding mouth 11 and the second biomass feeding mouth 31 are located at the first biomass pyrolytic cylinder 11 and second 0.2m below the top of biomass pyrolytic cylinder 3, coal material inlet 21 are located at the top of pyrolysis of coal cylinder 2 or less 0.7m.To reaction Device ontology heats up, and 4 temperature of heat accumulation type radiant tube in 3-4s, the first biomass pyrolytic cylinder 1 is increased to 450~500 ℃；4 temperature of heat accumulation type radiant tube in 5-6s or so, pyrolysis of coal cylinder 2 is increased to 800~850 DEG C or so.First biomass The rice straw at 1 top of pyrolysis cylinder flows downward along the first biomass pyrolytic cylinder 1 under the effect of gravity, and it is anti-that pyrolysis occurs It answers, generates hydrogen-rich gas.Oil gas containing hydrogen-rich gas quickly enters pyrolysis of coal cylinder 2, and with come from the top of pyrolysis of coal cylinder 2 The Xinjiang lignite of coal material inlet 21 mixes, and pyrolytic reaction occurs, and generates pyrolysis gas, tar, water and semicoke.These pyrolysis gas, Tar, water and semicoke are downwardly into the top of the second biomass pyrolytic cylinder 3 along pyrolysis of coal cylinder 2 simultaneously, and with come from second The rice straw of biomass feeding mouth 31 mixes, and provides heat for rice straw pyrolysis.In 3 outer wall of the second biomass pyrolytic cylinder Thermal insulating material materials and parts 33 under the action of, maintain 450~500 DEG C, occur rice straw pyrolytic reaction.Meanwhile passing through the second biology Matter is pyrolyzed the heat-absorbing action of rice straw pyrolysis in cylinder 3, reduces the temperature of Xinjiang brown pyrolysis of coal oil gas, substantially reduces two Secondary response improves Xinjiang brown pyrolysis of coal tar yield.Finally, production of the thermal decomposition product from 3 bottom of the second biomass pyrolytic cylinder Object outlet 32 removes, into subsequent product dedusting, condensation, separation and refining system.

Rice straw is carried out using above-mentioned biomass and coal copyrolysis reactor 100 and lignite copyrolysis in Xinjiang is studied, hair Existing tar yield pyrolysis yield more independent than the two is averagely higher by 40~50%, and conversion ratio is higher by 15~20%, illustrates using basis The biomass of the utility model, which exists with the biomass that coal copyrolysis reactor 100 is pyrolyzed with coal copyrolysis, significantly to be cooperateed with Effect.

It is a kind of downlink multisection type biomass according to the biomass of the utility model embodiment and coal copyrolysis reactor 100 With coal such as low-order coal copyrolysis reactor, have the advantage that

1) three sections of down-flow fluidized bed using ECTs are set on same reactor body, and two sections of front and back is respectively the first biomass pyrolytic cylinder 1 With the second biomass pyrolytic cylinder 3, intermediate one section is pyrolysis of coal cylinder 2, and the feed position of biomass, coal, biomass is respectively set It sets (i.e. above-mentioned the first biomass feeding mouth 11, coal material inlet 21, the second biomass feeding mouth 31), and using sectional temperature-controlled Method respectively reaches the optimum temperature of the two pyrolysis in the same time；

2) the first biomass pyrolytic cylinder 1 is mounted on to the top of the second biomass pyrolytic cylinder 3, so that being located in the middle Coal in pyrolysis of coal cylinder 2 is pyrolyzed completely, together in the first biomass pyrolytic cylinder 1 rapidly under biomass pyrolytic atmosphere above it When the hydrogen-rich in biomass is effectively transferred in coal, certain plus hydrogen saturation is generated to pyrolysis of coal oil gas, is improved Pyrolysis of coal conversion ratio；

3) by the way that thermal insulating material materials and parts 33 are arranged on the outer tube wall of the second biomass pyrolytic cylinder 3, by interlude pyrolysis of coal Needed for the high-temperature oil gas and semicoke sensible heat that the pyrolysis of cylinder 2 generates provide for the biomass pyrolytic in the second biomass pyrolytic cylinder 3 Heat reduce energy consumption without being provided separately biological heat solution heat source, realize energy conservation；

4) heat absorption being pyrolyzed by the second biomass pyrolytic cylinder 3 reduces the temperature of coal such as low-order coal pyrolysis oil gas, Sufficiently reduce secondary response, improves pyrolysis of coal tar yield；

5) use more heat accumulation type radiant tubes 4, provide heat source for coal in reactor body and biomass, without heat carrier with Mechanical rotation device, process flow is simple, system temperature control is accurate, temperature adjustment is convenient, without gas and solid thermal carriers heating, point From process, the failure rate of system is reduced；

6) convection current, heat transfer and radiant heat transfer are combined, the thermal efficiency of system is improved；

7) compared with semicoke is as heat carrier, tar dustiness is reduced；

8) strong to coal adaptability, no matter non-caking coal, Iight sticky coal, strong caking coal etc. are suitable for；

9) biomass and the structure design of coal copyrolysis reactor 100 are simple and convenient to operate, large-scale production easy to accomplish.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (11)

1. a kind of biomass and coal copyrolysis reactor characterized by comprising

Reactor body, the reactor body include the first biomass pyrolytic cylinder set gradually from top to bottom, pyrolysis of coal The side wall of cylinder and the second biomass pyrolytic cylinder, the first biomass pyrolytic cylinder is equipped at least one first biomass The side wall of material inlet, the pyrolysis of coal cylinder is equipped at least one coal material inlet, the side of the second biomass pyrolytic cylinder Wall is equipped at least one second biomass feeding mouth and bottom is equipped with product exit, the first biomass pyrolytic cylinder and institute State be respectively equipped in pyrolysis of coal cylinder uniform intervals setting multiple heat accumulation type radiant tubes, the first biomass pyrolytic cylinder and The cross-sectional area of the second biomass pyrolytic cylinder is respectively smaller than the cross-sectional area of the pyrolysis of coal cylinder, second biology The outer wall that matter is pyrolyzed cylinder is equipped with thermal insulating material materials and parts.

2. biomass according to claim 1 and coal copyrolysis reactor, which is characterized in that the thermal insulating material materials and parts cladding On the entire periphery wall of the second biomass pyrolytic cylinder.

3. biomass according to claim 1 and coal copyrolysis reactor, which is characterized in that first biomass pyrolytic The first flared section that cross-sectional area from top to bottom is gradually increased, the pyrolysis of coal are connected between cylinder and the pyrolysis of coal cylinder The second flared section that cross-sectional area from top to bottom is gradually reduced is connected between cylinder and the second biomass pyrolytic cylinder.

4. biomass according to claim 1 and coal copyrolysis reactor, which is characterized in that each heat accumulating type radiation The both ends of pipe are respectively equipped with burner.

5. biomass according to claim 1 and coal copyrolysis reactor, which is characterized in that each heat accumulating type radiation Temperature difference on pipe is not higher than 40 DEG C.

6. biomass according to claim 1 and coal copyrolysis reactor, which is characterized in that first biomass pyrolytic The temperature of the intracorporal heat accumulation type radiant tube of cylinder is 350 DEG C~550 DEG C, the intracorporal heat accumulating type radiation of pyrolysis of coal cylinder The temperature of pipe is 650 DEG C~950 DEG C.

7. biomass according to claim 1 and coal copyrolysis reactor, which is characterized in that multiple heat accumulating type radiation Pipe is in the horizontal and vertical upper equidistant horizontal arrangement of difference in the reactor body.

8. biomass described in any one of -7 and coal copyrolysis reactor according to claim 1, which is characterized in that described first The diameter of biomass pyrolytic cylinder and the second biomass pyrolytic cylinder is respectively the 20% of the diameter of the pyrolysis of coal cylinder ~50%.

9. biomass according to claim 1 and coal copyrolysis reactor, which is characterized in that first biomass pyrolytic The height of cylinder and the second biomass pyrolytic cylinder is respectively the 30%~80% of the height of the pyrolysis of coal cylinder.

10. biomass according to claim 1 and coal copyrolysis reactor, which is characterized in that from first biomass The biomass that material inlet and the second biomass feeding mouth enter and the coal that enters from the coal material inlet into Stream rate ratio is respectively between 1:6~1:1.

11. biomass according to claim 1 and coal copyrolysis reactor, which is characterized in that first biomass is given The 1/12 of the first biomass pyrolytic cylinder height is accounted for the distance between at the top of material mouth and the first biomass pyrolytic cylinder ~1/6；

The 1/12~1/ of the pyrolysis of coal cylinder height is accounted for the distance between at the top of the coal material inlet and the pyrolysis of coal cylinder 6；

Second biology is accounted for the distance between at the top of the second biomass feeding mouth and the second biomass pyrolytic cylinder Matter is pyrolyzed the 1/12~1/6 of cylinder height.