CN212450656U - Movable miniaturized biomass continuous steam activating machine - Google Patents
Movable miniaturized biomass continuous steam activating machine Download PDFInfo
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- CN212450656U CN212450656U CN202021655884.1U CN202021655884U CN212450656U CN 212450656 U CN212450656 U CN 212450656U CN 202021655884 U CN202021655884 U CN 202021655884U CN 212450656 U CN212450656 U CN 212450656U
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Abstract
The utility model discloses a movable miniaturized biomass continuous steam activation method and an activation machine, which adopts an activation reaction tube and an activation propulsion screw rod to complete the movement of a carbon base in an activation combustion chamber; the temperature in the activation combustion chamber is controlled, so that the carbon base can complete steam high-temperature activation reaction in a short distance, finished activated carbon is obtained, and the miniaturization of carbon base activation is realized. The activation machine comprises a frame (1), an activation combustion chamber (2) is arranged on the frame (1), an activation reaction pipe (5) is arranged in the activation combustion chamber (2), and an activation propulsion screw (6) is arranged in the activation reaction pipe (5); and the activation reaction tube (5) is sequentially provided with a heating zone and a steam high-temperature activation zone along the material propelling direction. The utility model has the characteristics of can effectively reduction in production cost, promote product quality, reduce the energy consumption and improve the feature of environmental protection.
Description
Technical Field
The utility model relates to a charcoal base activation equipment, especially a continuous steam activation machine of portable miniaturized biomass.
Background
The biomass material is mainly agricultural and forestry waste such as straw, sawdust, bagasse, rice chaff and the like, directly burns biomass, belongs to high-pollution fuel, is only used in a rural large stove, and is not allowed to be used in cities; the current application of biomass materials mainly relates to the aspects of novel clean fuels, biomass activated carbon and the like. The method is characterized in that the biomass raw material is prepared into the activated carbon, and the method mainly comprises two procedures of preparing the biomass raw material into a carbon base and activating the carbon base to obtain the activated carbon. However, the prior process and equipment for manufacturing the biomass activated carbon are still the main, and because the activation furnace equipment for activating the carbon base occupies a large area and needs to be matched with a large-scale conveying line, a steam boiler and the like, the equipment and the land investment are large, and once the biomass activated carbon is installed, the position change is very troublesome; however, the existing carbon-based and activation processes are performed separately, the transportation cost of the carbon-based is high, and multiple factors are superposed, so that the production cost of the final activated carbon is high. In addition, in the steam activation process, the amount of carbon base to be activated is large, so that the difficulty of full contact between steam and the carbon base is increased, and the phenomenon of uneven activation occurs. Moreover, the high-temperature steam used in the activation process needs to be obtained by additionally using an energy heating boiler, and the energy consumption is huge. Meanwhile, a large amount of polluted waste gas is discharged in the combustion process, and the environment is easily affected. Therefore, the prior art has the problems of large equipment volume, high production cost, unstable quality, high energy consumption and easy pollution to the environment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable miniaturized biomass continuous steam activation machine. The utility model has the characteristics of can realize that equipment is miniaturized, effective reduction in production cost, improve product quality, reduce the energy consumption and improve the feature of environmental protection.
The technical scheme of the utility model: a movable miniaturized biomass continuous steam activating machine comprises a frame, wherein an activation combustion chamber is arranged on the frame, an activation reaction pipe is arranged in the activation combustion chamber, and an activation pushing screw rod is arranged in the activation reaction pipe; and the activation reaction tube is sequentially provided with a heating area and a steam high-temperature activation area along the material propelling direction.
In the movable miniaturized biomass continuous steam activating machine, an air inlet is arranged in the activating combustion chamber and is connected with a combustible gas conveying pipe corresponding to the heating area and the steam high-temperature activating area respectively; and a combustible gas flow controller is also arranged between the gas inlet and the combustible gas conveying pipe.
In the above movable miniaturized biomass continuous steam activation machine, the activation reaction tube is provided with a volatile component exhaust hole and a steam nozzle which respectively correspond to the heating zone and the steam high-temperature activation zone.
In the movable small biomass continuous steam activating machine, the feed end of the activating combustion chamber is provided with a carbon-based feed bin, and the discharge end of the activating combustion chamber is provided with a steam release bin; the activation reaction tube penetrates through the carbon-based feeding bin, the activation combustion chamber and the steam release bin.
The movable miniaturized biomass continuous steam activating machine further comprises a box body, and the rack and the activation combustion chamber are positioned in the box body; the steam boiler connected with the activation combustion chamber is arranged outside the compartment body.
In the movable miniaturized biomass continuous steam activating machine, the steam boiler is connected with a tail gas discharge system, the tail gas discharge system is connected with the steam release bin through a steam waste gas pipe, and the tail gas discharge system is also provided with a waste heat discharge controller and a waste heat discharge pipe which are connected with the activating combustion chamber.
In the continuous steam activation machine of aforesaid portable miniaturized biomass, still be equipped with finished product ejection of compact transfer device in the steam release storehouse, finished product ejection of compact transfer device below is equipped with conveyor.
In the movable miniaturized biomass continuous steam activating machine, the carbon-based feeding bin is provided with a feeding device.
Compared with the prior art, the utility model can realize the continuous and uninterrupted production of the active carbon by matching the propelling screw rod (propelling the material to move in the rotating process, so that each surface of the material can absorb sufficient heat energy) with the reaction tube (heating the material in all directions without heating dead angles), so that the carbon base can absorb heat energy in all directions and in multiple dimensions, thereby realizing the purpose of rapid heating in a shorter distance, realizing the completion of steam high-temperature activation reaction in a short distance of the carbon base, further realizing the miniaturization of the activation equipment, greatly reducing the floor area of the equipment, when in use, only needing to convey the movable carriage body to a biomass raw material centralized place to be matched with the carbon base production equipment, and has simple structure, small overall volume, low equipment cost and convenient and flexible overall installation operation, the activated plant does not need to be built, and the carbon base does not need to be transported for a long distance, so that the equipment cost, the raw material transportation cost and the use cost can be greatly reduced.
The utility model discloses by the activation combustion chamber, charcoal base feeding storehouse, the steam release storehouse, the activation reaction pipe, activation propulsion screw rod and activation propulsion motor constitute, structure and overall arrangement through each part of reasonable optimization, install activation combustion chamber and supporting equipment at portable railway carriage or compartment internally, when needing to use, only need to ask the portable railway carriage or compartment body to transport to biomass raw materials and concentrate ground, use with the cooperation of charcoal base production facility, alright realize continuous incessant production active carbon operation, moreover, holistic installation operation is also very convenient nimble, need not to build the activation factory building, also need not to carry out long-distance transport by a wide margin with the charcoal base, thereby can reduce equipment cost, raw and other materials cost of transportation and use cost.
Simultaneously, the combustible volatile matter and the outside gas of activation combustion chamber make full use of charcoal base release when the activation produce heat, burn in the activation combustion chamber, for the activation combustion chamber heats, the waste heat in the activation combustion chamber still provides heat energy for the boiler and produces steam, the energy that whole process can effective reasonable utilization biomass material self produced improves the utilization ratio of self energy, reduces the consumption of external energy, and then can reduce the whole energy consumption of equipment.
Moreover, the utility model reasonably optimizes the temperature in the activation combustion chamber (up to 800-; the utility model fully ensures the contact between the steam and the high-temperature carbon base by controlling the steam quantity sprayed by the steam nozzle and the propelling speed of the activating propelling screw in the activating process, so that the carbon base is activated uniformly and can save heat energy, the activating quality is ensured, and the steam consumption is reduced; and the utility model discloses still utilize the high temperature (800-.
To sum up, the utility model has the characteristics of can realize that equipment is miniaturized, effective reduction in production cost, improve product quality, reduce the energy consumption and improve the feature of environmental protection.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a structural view of the integrated machine of embodiment 3.
The labels in the figures are: 1-frame, 2-activation combustion chamber, 3-charcoal-based feeding bin, 4-steam releasing bin, 5-activation reaction tube, 6-activation propulsion screw, 7-activation propulsion motor, 8-volatile exhaust hole, 9-steam nozzle, 10-steam boiler, 11-exhaust emission system, 12-steam exhaust tube, 13-waste heat discharge tube, 14-waste heat discharge controller, 15-finished product discharging and transferring device, 16-conveying device, 17-feeding device and 18-air inlet.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Example 1. A movable miniaturized biomass continuous steam activation method adopts an activation reaction tube and an activation propelling screw to complete the movement of a carbon base in an activation combustion chamber; the temperature in the activation combustion chamber is controlled, so that the carbon base can complete steam high-temperature activation reaction in a short distance, finished activated carbon is obtained, and the miniaturization of carbon base activation is realized.
The temperature in the activation combustion chamber is 800-1500 ℃.
Arranging a heating section and a steam high-temperature activation section on the activation reaction tube along the carbon-based propulsion direction, and heating the corresponding section of the activation reaction tube by using an activation combustion chamber; under the propelling action of the activating propelling screw, the carbon base sequentially passes through a heating section and a steam high-temperature activating section in the activating reaction tube, and is activated under the action of steam to obtain the finished product of the activated carbon.
The temperature of the heating section is 800-1200 ℃, and the temperature of the steam high-temperature activation section is 1100-1500 ℃.
The activation combustion chamber utilizes the volatile components released by the carbon base during the high-temperature activation of steam and external combustible gas to burn and generate heat; the combustion heat generation quantity of the sections corresponding to the heating section and the steam high-temperature activation section in the activation combustion chamber is adjusted by controlling the air input quantity of the external combustible gas, so that the temperature control of the heating section and the steam high-temperature activation section on the activation reaction tube is realized.
The steam in the high-temperature steam activation zone comes from a steam boiler, and the heat source of the steam boiler is provided by the heat energy generated by combustion in the activation combustion chamber.
A movable miniaturized biomass continuous steam activation machine is composed as shown in figure 1 and figure 2,
the device comprises a frame 1, wherein an activation combustion chamber 2 is arranged on the frame 1, an activation reaction pipe 5 is arranged in the activation combustion chamber 2, and an activation propulsion screw 6 is arranged in the activation reaction pipe 5; and the activation reaction tube 5 is sequentially provided with a heating zone and a steam high-temperature activation zone along the material propelling direction.
The two ends of the activation propulsion screw are provided with activation propulsion motors 7.
An air inlet 18 is arranged in the activation combustion chamber 2, and the air inlet 18 is connected with a combustible gas conveying pipe corresponding to the heating area and the steam high-temperature activation area respectively; and a combustible gas flow controller is also arranged between the gas inlet and the combustible gas conveying pipe.
And the activation reaction pipe 5 is provided with a volatile component exhaust hole 8 and a steam nozzle 9 which respectively correspond to the heating area and the steam high-temperature activation area.
A carbon-based feeding bin 3 is arranged at the feeding end of the activation combustion chamber 2, and a steam release bin 4 is arranged at the discharging end of the activation combustion chamber 2; the activation reaction pipe 5 penetrates through the carbon-based feeding bin 3, the activation combustion chamber 2 and the steam release bin 4.
The device also comprises a compartment body, wherein the frame 1 and the activated combustion chamber 2 are positioned in the compartment body; the steam boiler 10 connected with the activation combustion chamber 2 is arranged outside the chamber body.
The steam boiler 10 is connected with a tail gas discharge system 11, the tail gas discharge system 11 is connected with the steam release bin 4 through a steam waste gas pipe 12, and the tail gas discharge system 11 is also provided with a waste heat discharge controller 13 and a waste heat discharge pipe 14 which are connected with the activation combustion chamber 2.
Still be equipped with finished product ejection of compact transfer device 15 in the steam release storehouse 4, finished product ejection of compact transfer device 15 below is equipped with conveyor 16.
And a feeding device 17 is arranged on the carbon-based feeding bin 3.
And the activation combustion chamber is used for combusting the combustible gas and the volatile component mixed gas.
The activation combustion chamber is internally provided with ignition equipment and two groups of combustible gas conveying pipes which respectively correspond to the heating section and the steam high-temperature activation section of the activation reaction pipe, and the purpose of adjusting the heating temperature is achieved by controlling the gas flow of the combustible gas conveying pipes.
Steam is sprayed into the high-temperature steam activation area through a steam nozzle, and the spraying frequency of the steam nozzle is in direct proportion to the propelling speed of the activation propelling screw.
The activation combustion chamber is also internally provided with a plurality of temperature sensors, and the controller adjusts and controls the opening of the partition plate according to the data of the temperature sensors so as to control the flow of the combustible gas in the activation combustion chamber.
The carriage body can be a standard 50-foot container, the frame, the activation combustion chamber and the auxiliary components are arranged in the movable carriage body, the movable carriage body is consigned to a biomass raw material concentration place, the movable carriage body is placed in an appointed place, and the production of the active carbon can be realized through simple assembly (feeding, discharging and exhaust pipelines).
The side wall of the activation combustion chamber is a heat-insulating layer filled with heat-insulating materials. The whole device is made of 304 stainless steel, the carbonization reaction tube in the carbonization chamber and the activation reaction tube in the activation combustion chamber are made of high-temperature resistant special stainless steel, a vertical steam boiler is arranged at the top of the activation combustion chamber, and a heat source is provided by the waste heat of the activation combustion chamber.
The carbon base enters a carbon base feeding bin and moves along an activation reaction pipe under the propelling action of an activation propelling screw in an activation combustion chamber, the carbon base firstly passes through the heating action of a heating section and then enters a steam high-temperature activation section, steam is sprayed into the activation reaction pipe through a steam nozzle, so that high-temperature carbon base instantaneously releases volatile matters to open pores to complete activation, the volatile matters are discharged into the activation combustion chamber through volatile matter release holes to participate in combustion (gases such as pyroligneous liquor, tar and nitric oxide contained in the volatile matters are combusted at high temperature in the activation combustion chamber at 1300 ℃, and the residual heat energy is discharged into a tail gas system through an adjustable partition plate (a residual heat discharge controller). The activated carbon is pushed to the steam release sealed bin by the activation pushing screw, and a large amount of water vapor is discharged into a tail gas exhaust system by a steam waste gas pipe at the top of the steam release sealed bin. The active carbon is conveyed to a sealed conveyor belt (conveying device) by a packing auger (finished product discharging and transferring device) and then is conveyed to a storage tank for cooling and then is packaged.
Example 2, activation of carbon base from wood chip biomass production: the activating machine in the embodiment 1 is adopted, and an activation reaction tube and an activation propelling screw are utilized to complete the movement of the carbon base in the activation combustion chamber; the temperature in the activation combustion chamber is controlled, so that the carbon base can complete steam high-temperature activation reaction in a short distance, finished activated carbon is obtained, and the miniaturization of carbon base activation is realized.
The temperature in the activation combustion chamber is 800-1500 ℃.
Arranging a heating section and a steam high-temperature activation section on the activation reaction tube along the carbon-based propulsion direction, and heating the corresponding section of the activation reaction tube by using an activation combustion chamber; under the propelling action of the activating propelling screw, the carbon base sequentially passes through a heating section and a steam high-temperature activating section in the activating reaction tube, and is activated under the action of steam to obtain the finished product of the activated carbon.
The temperature of the heating section was 1097.7 ℃ and the temperature of the steam high temperature activation section was 1300.9 ℃.
The activation combustion chamber utilizes the volatile components released by the carbon base during the high-temperature activation of steam and external combustible gas to burn and generate heat; the combustion heat generation quantity of the sections corresponding to the heating section and the steam high-temperature activation section in the activation combustion chamber is adjusted by controlling the air input quantity of the external combustible gas, so that the temperature control of the heating section and the steam high-temperature activation section on the activation reaction tube is realized.
The steam in the high-temperature steam activation zone comes from a steam boiler, and the heat source of the steam boiler is provided by the heat energy generated by combustion in the activation combustion chamber.
A movable method for continuous thermal cracking, carbonization and activation of miniaturized biomass adopts a reaction tube and a propelling screw to respectively finish the movement of biomass materials in a carbonization chamber and a carbon base in an activation combustion chamber; the temperature in the carbonization chamber and the temperature in the activation combustion chamber are respectively controlled, so that the biomass material can complete continuous and uninterrupted thermal cracking carbonization reaction and steam high-temperature activation reaction in a short distance, finished activated carbon is obtained, and the integration and miniaturization of carbonization and activation of the biomass material are realized.
The specific process of the thermal cracking carbonization reaction in the carbonization chamber is as follows: a carbonization chamber is used for heating the carbonization reaction tube, and a plurality of working sections with the temperature in step distribution are arranged on the carbonization reaction tube along the advancing direction of the biomass material; the biomass material sequentially passes through each working section in the carbonization reaction tube under the propelling action of the carbonization propelling screw, and then thermal cracking carbonization reaction is completed to obtain the carbon base.
The plurality of working sections include a preheating zone, a first zone for preliminary cracking, a second zone for preliminary cracking, a first zone for complete cracking, a second zone for complete cracking, and a carbonization zone.
The temperature of the preheating zone is 270.2 ℃, the temperature of the primary cracking zone I is 460.6 ℃, the temperature of the primary cracking zone II is 631.8 ℃, the temperature of the complete cracking zone I is 705.6 ℃, the temperature of the complete cracking zone II is 730.8 ℃ and the temperature of the carbonization zone is 708.5 ℃.
The carbonization chamber utilizes combustible pyrolysis gas released by the biomass material in the thermal cracking carbonization reaction to burn and generate heat, so as to realize heating of the carbonization reaction tube; meanwhile, the control of the combustion heat production of combustible pyrolysis gas is realized by controlling the oxygen feeding amount of the carbonization chamber in different working sections of the carbonization reaction tube, thereby completing the temperature regulation of different working sections of the carbonization reaction tube.
The specific process of the steam high-temperature activation reaction in the activation combustion chamber comprises the following steps: an activation combustion chamber is used for heating the activation reaction tube, and a heating section and a steam high-temperature activation section are arranged on the activation reaction tube along the carbon base advancing direction; under the propelling action of the activating propelling screw, the carbon base sequentially passes through a heating section and a steam high-temperature activating section in the activating reaction tube, and is activated under the action of steam to obtain the finished product of the activated carbon.
The temperature in the activation combustion chamber is 800-1500 ℃.
The temperature of the heating section was 1097.7 ℃ and the temperature of the steam high temperature activation section was 1300.9 ℃.
Combustible pyrolysis gas released by thermal cracking and carbonization reaction in the carbonization chamber and volatile components generated by high-temperature activation of steam in the activation combustion chamber are combusted to generate heat in the activation combustion chamber, so that the activation reaction tube is heated.
The combustion heat generation quantity at the corresponding positions of the heating section and the steam high-temperature activation section in the activation combustion chamber is adjusted by controlling the air input quantity of the combustible pyrolysis gas, so that the temperature control of the heating section and the steam high-temperature activation section on the activation reaction tube is realized.
The steam in the high-temperature steam activation zone comes from a steam boiler, and the heat source of the steam boiler is provided by the heat energy generated by combustion in the activation combustion chamber.
Steam is sprayed into the high-temperature steam activation area through a steam nozzle, and the spraying frequency of the steam nozzle is in direct proportion to the propelling speed of the activation propelling screw.
The device comprises a carriage body, wherein a rack is arranged in the carriage body, a carbonization chamber and an activation chamber (namely an activation machine part in the application) which are communicated with each other are arranged on the rack, a carbon-based transfer device is arranged at the discharge end of the carbonization chamber, and the carbon-based transfer device corresponds to the feed end of the activation chamber; the carbonization chamber is internally provided with a screw propulsion type carbonization reactor, and the activation combustion chamber is internally provided with a screw propulsion type activation reactor.
The carbonization chamber and the activation chamber are transversely arranged in a shape like a Chinese character 'hui' with an upper layer and a lower layer.
The activation chamber comprises an activation combustion chamber, the screw propulsion type activation reactor comprises an activation reaction pipe positioned in the activation combustion chamber, and an activation propulsion screw is arranged in the activation reaction pipe; and the activation reaction tube is sequentially provided with a heating area and a steam high-temperature activation area along the material propelling direction.
And the activation reaction tube is provided with a volatile component exhaust hole and a steam nozzle which respectively correspond to the heating area and the steam high-temperature activation area.
The feed end of the activation combustion chamber is provided with a carbon-based feed bin, and the discharge end of the activation combustion chamber is provided with a steam release bin; the activation reaction tube penetrates through the carbon-based feeding bin, the activation combustion chamber and the steam release bin.
And a steam boiler connected with the activation combustion chamber is arranged outside the compartment body.
The steam boiler is connected with a tail gas discharge system, the tail gas discharge system is connected with the steam release bin through a steam waste gas pipe, and the tail gas discharge system is also provided with a waste heat discharge controller and a waste heat discharge pipe which are connected with the activation combustion chamber.
Still be equipped with finished product ejection of compact transfer device in the steam release storehouse, finished product ejection of compact transfer device below is equipped with conveyor.
The communicating part between the carbonization chamber and the activation combustion chamber is provided with a combustible pyrolysis gas circulation controller. And a combustible gas conveying pipe corresponding to the heating area and the steam high-temperature activation area is arranged in the activation combustion chamber, and the combustible gas conveying pipe is matched with the combustible gas flow controller.
A heat energy controller is arranged between the steam boiler and the activation combustion chamber.
30% of combustible pyrolysis gas released by the thermal cracking and carbonization reaction in the carbonization chamber is combusted in the carbonization chamber, and the rest combustible pyrolysis gas enters the activation combustion chamber to be mixed with volatile components for combustion.
The specific process of activating the reaction in the combustion chamber is as follows: heating the carbon base in an activation reaction tube and then entering a steam high-temperature activation area; in the steam high-temperature activation area, the carbon base instantaneously releases volatile under the action of steam and opens the pores to complete activation, and the volatile is discharged into the activation combustion chamber through the volatile release pores to participate in combustion.
The active carbon comes out from the activation combustion chamber and then enters the steam release chamber, the waste steam is discharged through the steam waste gas pipe, and the finished active carbon is discharged through the finished product conveying device.
The combustible pyrolysis gas circulation controller, the heat energy controller and the waste heat discharge controller can adopt control partition plates.
The combustion of combustible gas is carried out in the carbonization combustion chamber and the activation combustion chamber.
The carbonization chamber comprises a carbonization combustion chamber, the screw-propelled carbonization reactor comprises a carbonization reaction tube which is transversely arranged in the carbonization combustion chamber, a carbonization propulsion screw is arranged in the carbonization reaction tube, and thermal cracking propulsion motors are arranged at two ends of the carbonization propulsion screw; the feeding end of the carbonization reaction tube is provided with a biomass feeding bin, and the end part of the carbonization propulsion screw is positioned in the biomass feeding bin; and a combustible pyrolysis gas exhaust pipe is also arranged on the carbonization reaction pipe.
Ignition equipment is arranged in the carbonization combustion chamber, a plurality of groups of oxygen inlet pipes are arranged above the working sections of the corresponding carbonization reaction pipes, and the combustion degree of the area is controlled by controlling the air input of oxygen in the oxygen inlet pipes, so that the aim of controlling temperature regulation is fulfilled.
The activation combustion chamber is internally provided with ignition equipment and two groups of combustible gas conveying pipes which respectively correspond to the heating section and the steam high-temperature activation section of the activation reaction pipe, and the purpose of adjusting the heating temperature is achieved by controlling the gas flow of the combustible gas conveying pipes.
The carbon-based transfer device and the finished product discharge transfer device are of a conveying auger structure.
And a carbon-based feeding auger is also arranged on the carbon-based feeding bin.
The steam nozzle is connected with a steam boiler through a pipeline.
The carbonization chamber and the activation combustion chamber are respectively provided with a plurality of temperature sensors, and the controller adjusts the opening of the control clapboard according to the data of the temperature sensors so as to control the flow of the pyrolysis gas in the carbonization chamber and the activation combustion chamber.
The movable carriage body can be a standard 50-foot container, the frame, the carbonization chamber, the activation combustion chamber and the like are arranged in the movable carriage body, consigned to a biomass raw material concentration place, the movable carriage body is placed in an appointed place, and continuous and uninterrupted production of the active carbon can be realized through simple assembly (feeding, discharging and exhaust pipelines).
The device is integrally arranged into an upper layer and a lower layer in a transverse reversed-square-shaped layout and comprises a carbonization chamber and an activation combustion chamber, wherein a transverse carbonization propulsion screw is arranged in the carbonization chamber of one layer for propulsion, a carbonization reaction pipe penetrates through a biomass feeding bin to a carbon discharging area, an outlet of the carbonization chamber is connected with the activation combustion chamber of the second layer by a packing auger (carbon-based transfer device) top end to a carbon-based feeding bin, an activation propulsion screw in a transverse reverse direction is arranged in the activation combustion chamber, and the activation reaction pipe penetrates through a bin to an active carbon discharge port. The biomass material in the carbonization chamber of one layer releases combustible pyrolysis gas after thermal cracking and burns, a large amount of combustible pyrolysis gas enters the activation combustion chamber of the upper layer to burn while providing the heat energy required by carbonization of the carbonization chamber, the activation combustion chamber is heated, simultaneously, the waste heat in the activation combustion chamber provides heat energy for the steam boiler to generate steam, the steam is sprayed into the activation reaction pipe through the steam nozzle, so that high-temperature carbon base instantaneously releases volatile components to open pores to complete activation, the volatile components are discharged into the activation combustion chamber through volatile component release holes to participate in combustion, and a plurality of waste heat energy is discharged into a tail gas system through an adjustable partition plate (a waste heat discharge controller). The activated carbon is pushed to the steam release sealed bin by the activation pushing screw, and a large amount of water vapor is discharged into a tail gas exhaust system by a steam waste gas pipe at the top of the steam release sealed bin. The carbonization and the activation are continuous, the temperature drop of the carbon base is small, the heat energy of secondary heating is greatly saved, the biomass material always enters the carbonization chamber and the activation combustion chamber in order, and the activated product is uniform and delicate. The materials do not stay in the carbonization and activation process, the controllable heat energy generated in the biomass thermal cracking process is reasonably distributed in links of carbonization, activation secondary heating, boiler steam and the like, and the steam quantity in an activation area is accurately controlled, so that the carbon base is uniformly activated and the heat energy can be saved; because the utility model discloses can utilize (800 supplyes 1300 degrees) through high temperature combustion in the activation combustion chamber with the pyrolysis gas such as contain pyroligneous, tar, nitrogen oxide to can reach the standard of ultralow emission.
The carbonization chamber and the activation combustion chamber are connected with an upper layer and a lower layer, and the temperature of the two areas is accurately controlled by the temperature sensor.
The active carbon is conveyed to a sealing conveyor belt (conveying device) by a packing auger and then is conveyed to a storage tank for cooling and then is packaged.
The side wall of the activation combustion chamber is a heat-insulating layer filled with heat-insulating materials. The whole device is made of 304 stainless steel, the carbonization reaction tube in the carbonization chamber and the activation reaction tube in the activation combustion chamber are made of high-temperature resistant special stainless steel, a vertical steam boiler is arranged at the top of the activation combustion chamber, and a heat source is provided by the waste heat of the activation combustion chamber.
The biomass raw material is sequentially subjected to four treatment processes of preheating, initial cracking, complete cracking and carbonization in the moving process in the carbonization reaction tube, the generated combustible cracking gas enters the carbonization chamber to be combusted, the adjustable temperature of 400 ℃ is generated, the heat energy required by the carbonization chamber accounts for about 30% of the total amount, about 70% of the combustible cracking gas enters the activation combustion chamber from the controllable partition plate, the combustible cracking gas is mixed with the volatile released by the carbon base to be combusted to generate the adjustable high temperature of 1000 ℃ and 1500 ℃ for providing heat energy for activation, one part of the heat energy enters the steam boiler to provide a heat source for the steam boiler, and the excess heat energy is discharged through the control partition plate.
And a water-cooling exchanger is arranged outside the tail gas emission system.
Claims (8)
1. The continuous steam activation of portable miniaturized biomass machine which characterized in that: the device comprises a frame (1), wherein an activation combustion chamber (2) is arranged on the frame (1), an activation reaction pipe (5) is arranged in the activation combustion chamber (2), and an activation propulsion screw (6) is arranged in the activation reaction pipe (5); and the activation reaction tube (5) is sequentially provided with a heating zone and a steam high-temperature activation zone along the material propelling direction.
2. The mobile miniaturized biomass continuous steam activation machine of claim 1, wherein: an air inlet (18) is arranged in the activation combustion chamber (2), and the air inlet (18) is connected with a combustible gas conveying pipe corresponding to the heating area and the steam high-temperature activation area respectively; and a combustible gas flow controller is also arranged between the gas inlet and the combustible gas conveying pipe.
3. The mobile miniaturized biomass continuous steam activation machine of claim 1, wherein: and the activation reaction tube (5) is provided with a volatile component exhaust hole (8) and a steam nozzle (9) which respectively correspond to the heating area and the steam high-temperature activation area.
4. The mobile miniaturized biomass continuous steam activation machine of claim 1, wherein: a carbon-based feeding bin (3) is arranged at the feeding end of the activation combustion chamber (2), and a steam release bin (4) is arranged at the discharging end of the activation combustion chamber (2); the activation reaction tube (5) penetrates through the carbon-based feeding bin (3), the activation combustion chamber (2) and the steam release bin (4).
5. The mobile miniaturized biomass continuous steam activation machine of claim 4, wherein: the device also comprises a compartment body, wherein the rack (1) and the activated combustion chamber (2) are positioned in the compartment body; a steam boiler (10) connected with the activation combustion chamber (2) is arranged outside the chamber body.
6. The mobile miniaturized biomass continuous steam activation machine of claim 5, wherein: the steam boiler (10) is connected with a tail gas discharge system (11), the tail gas discharge system (11) is connected with the steam release bin (4) through a steam waste gas pipe (12), and the tail gas discharge system (11) is also provided with a waste heat discharge controller (13) and a waste heat discharge pipe (14) which are connected with the activation combustion chamber (2).
7. The mobile miniaturized biomass continuous steam activation machine of claim 4, wherein: still be equipped with finished product ejection of compact transfer device (15) in steam release storehouse (4), finished product ejection of compact transfer device (15) below is equipped with conveyor (16).
8. The mobile miniaturized biomass continuous steam activation machine of claim 4, wherein: and a feeding device (17) is arranged on the carbon-based feeding bin (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202021655884.1U CN212450656U (en) | 2020-08-11 | 2020-08-11 | Movable miniaturized biomass continuous steam activating machine |
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| CN202021655884.1U CN212450656U (en) | 2020-08-11 | 2020-08-11 | Movable miniaturized biomass continuous steam activating machine |
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