CN203700271U - Self-flowing high-power device for continuously preparing biomass gas through carbonization - Google Patents
Self-flowing high-power device for continuously preparing biomass gas through carbonization Download PDFInfo
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- CN203700271U CN203700271U CN201420037143.5U CN201420037143U CN203700271U CN 203700271 U CN203700271 U CN 203700271U CN 201420037143 U CN201420037143 U CN 201420037143U CN 203700271 U CN203700271 U CN 203700271U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/145—Feedstock the feedstock being materials of biological origin
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Abstract
The utility model discloses a self-flowing high-power device for continuously preparing biomass gas through carbonization. The self-flowing high-power device comprises a feeding device, a carbonization cracking device, a gas guide-out device, a coke extinguishing and removing device and a gas purification device, wherein the feeding device is arranged at the upper part of the carbonization cracking device; the discharge opening of the feeding device is communicated with the feeding opening of the carbonization cracking device; the gas guide-out device and the coke extinguishing and removing device are arranged at the lower part of the carbonization cracking device and are communicated with the carbonization chamber of the carbonization cracking device; the gas purification device is communicated with the gas guide-out device. The self-flowing high-power device adopts the specific process comprising the following steps: step 1, operation of the carbonization cracking device; step 2, coke collection; step 3, gas purification and collection. The self-flowing high-power device has the benefits that continuous, stable and massive production is realized; the function of autocatalytic cracking is achieved; the process is shortened, the cost is reduced and benefits are improved.
Description
Technical field
The utility model relates to a kind of device of producing biological fuel gas, and particularly the device of biological fuel gas is produced in the destructive distillation of a kind of self-fluidized type high power CW.
Background technology
At present, along with fossil energy day is becoming tight, utilize the new forms of energy production technique of biomass resource petroleum replacing liquefied gas and Sweet natural gas and device also to continue to bring out.But in actual moving process, not yet realize serialization, large-scale production; fuel gases calorific value is low; tar content is high; output can't meet compared with large town resident's needs; more restrict the development of generating and related industries; therefore need a kind of technique and device more reasonably to utilize biomass material to produce biological fuel gas, improve to greatest extent equipment capacity and quality product, realize and substitute and reduce discharging function.
Summary of the invention
Main purpose of the present utility model is that biomass material can not automatic moving in process of production in order to solve device that biomass destructive distillation cracking produces combustion gas, and causes the fluffy material phenomenon of the indoor appearance of destructive distillation, can not realize the problem that serialization is produced;
Second object of the present utility model is that in solution biomass destructive distillation cracking device, destructive distillation chamber volume is little, and the time that causes biomass to stop in gas retort is short, does not reach carbonization decomposition effect, the problem that can not accomplish scale production;
The 3rd object of the present utility model is in biomass destructive distillation cracking device, design gas charcoal flow direction in the same way, make gas, charcoal in the contact process of cracking section, red-hot charcoal has played katalysis, the inflammable gas that is short chain by the gas phase coke tar cracking in combustion gas, has realized without just energy pyrolysis fuel oil of extra catalyst;
The 4th object of the present utility model is to adopt the biomass of powder raw material to produce combustion gas in order to solve, cause the thermo-efficiency in gas retort low, cause the scission reaction of tar and charcoal not thorough, the carbon dust of the output secondary processing of still needing, exists the problem that power consumption is high, cost is high, operation is long.
The utility model in order to achieve the above object, address the above problem and the device of biological fuel gas is produced in a kind of self-fluidized type high power CW destructive distillation of providing.
The device that biological fuel gas is produced in self-fluidized type high power CW described in the utility model destructive distillation by feeding device, carbonization decomposition device, combustion gas take-up gear, cease burnt carbon removal device and gas cleaning device forms, wherein feeding device is located at carbonization decomposition device top, the discharge port of feeding device is communicated with the opening for feed of carbonization decomposition device, combustion gas take-up gear and the burnt carbon removal device of breath are located at the bottom of carbonization decomposition device and are connected with the destructive distillation chamber of carbonization decomposition device, and gas cleaning device is connected with combustion gas take-up gear.
Carbonization decomposition device is made up of ordered series of numbers, the destructive distillation chamber of every row carbonization decomposition device is hollow, and connect up and down, on the destructive distillation chamber sidewall of carbonization decomposition device, be arranged with quirk, top offers smoke outlet, quirk is communicated with smoke outlet, and quirk provides thermal source by burner, offers safety vent valve on the top cover of carbonization decomposition device.
Carbonization decomposition device be externally connected to several regenerator, regenerator is communicated with quirk, the import of regenerator is connected with burner, the setting of regenerator is spaced apart 2-3 rice.
The material of carbonization decomposition device is corundum material.
Feeding device is by baffle-type transfer roller, opened type feed bin, upper sealing valve, sealing feed bin, lower sealing valve and spiral quantitative material feeder composition, wherein baffle plate type transfer roller is driven by frequency control motor, baffle plate type transfer roller bottom is connected with underground material storage container, top is connected with opened type feed bin, the discharge port of opened type feed bin is connected with the opening for feed of sealing feed bin by upper sealing valve, the discharge port of sealing feed bin is connected with the opening for feed of spiral quantitative material feeder by lower sealing valve, upper sealing valve and lower sealing valve are driven by frequency control motor, alternately open and close, guarantee the stopping property of sealing feed bin, spiral quantitative material feeder is the screw rod feeder being driven by frequency control motor, need to determine travelling speed according to destructive distillation output.
In combustion gas take-up gear, be provided with annular combustion gas pneumatic trough, inside is provided with several slanted channels and is connected with the destructive distillation chamber of carbonization decomposition device, make the combustion gas producing in destructive distillation chamber import combustion gas pneumatic trough by slanted channel, combustion gas take-up gear is provided with gas outlet, and the width of slanted channel is 40 millimeters.
Ceasing burnt carbon removal device forms by ceasing burnt chamber, upper sealing valve, carbon-type seal storehouse and lower sealing valve, the import that wherein ceases top, burnt chamber is communicated with the outlet of carbonization decomposition device bottom, connectivity part is provided with the quantitative outlet roller of coke, the quantitative outlet roller of coke is driven by motor, the quantitative outlet roller of coke is synchronizeed and is rotated with the spiral quantitative material feeder in feeding device, the outlet that ceases bottom, burnt chamber is connected by upper sealing valve with the import on top, carbon-type seal storehouse, the outlet of bottom, carbon-type seal storehouse is connected with lower sealing valve, and the defocused coke of breath is discharged by lower sealing valve in batches.
Gas cleaning device is made up of combustion gas collector groove and combustion gas primary filter, wherein the inlet mouth of combustion gas collector groove is communicated with combustion gas take-up gear, the outlet of combustion gas collector groove bottom is communicated with the inlet mouth of combustion gas primary filter by switching valve, in combustion gas primary filter, be provided with combustion gas filter core, combustion gas filter core is drawer type, so that change, filtrate in combustion gas filter core is biomass machining object, so just can guarantee that filter material and filtrate melt down destructive distillation again, stop the generation of polluting, on the sidewall of combustion gas primary filter combustion gas filter core bottom, offer air outlet, the bottom of combustion gas primary filter is connected with hydrops cone, the lower end of hydrops cone offers leakage fluid dram.
The technique of biological fuel gas is produced in self-fluidized type high power CW described in the utility model destructive distillation, and concrete technology is as described below:
The operation of the first step, carbonization decomposition device:
First carbonization decomposition device is heated, open burner, heating curve and heating-up time according to design heat carbonization decomposition device, and carry out temperature equilibrium by heating curve, every intensification 50 is spent balance 20 minutes, be warmed up to 700 degree, time needs 6 hours, when carbonization decomposition device temperature of lower reaches 300 while spending, start to feed in raw material, the biomass fuel of compression moulding is put into underground material storage container, by baffle-type transfer roller, fuel is delivered to the opened type feed bin on feeding device top, reinforced initial stage feed rate is per minute 80-100 kilogram, temperature reaches after 700 degree, feed rate is carried to per minute 120-150 kilogram, alternately open and close upper sealing valve and the lower sealing valve on feeding device according to the input speed timing of design, in the time that upper sealing valve is opened, fuel falls into sealing feed bin from opened type feed bin automatically by deadweight, close upper sealing valve, open lower sealing valve, raw material enters spiral quantitative material feeder automatically, fuel is at the uniform velocity pushed in the destructive distillation chamber of carbonization decomposition device according to the input speed of setting by spiral quantitative material feeder, after the fuel in sealing feed bin is cleared, lower sealing valve is closed automatically, then open upper sealing valve, repeat above step, fuel is continuously inputted in the destructive distillation chamber of carbonization decomposition device under airtight state,
The collection of second step, coke:
Red-hot charcoal after destructive distillation outputs to the burnt chamber of breath through the quantitative outlet roller of coke of the burnt carbon removal device of breath, and the rotating speed of the quantitative outlet roller of coke, in the time that gas retort 850-900 spends, is set as 4 revs/min; When 900-950 spends, be set as 6 revs/min, cooled coke, intermittently derives by the upper sealing valve, lower sealing valve and the carbon-type seal storehouse that cease in burnt carbon removal device;
Purification and the collection of the 3rd step, combustion gas:
The combustion gas producing in carbonization decomposition device enters gas cleaning device through combustion gas take-up gear, combustion gas by the combustion gas filter element filtering of combustion gas primary filter in gas cleaning device after, dust impurity in combustion gas is by filtering, steam in combustion gas and the tar particles of suspension are condensed into the liquid cone of the hydrops by gas cleaning device bottom to be got rid of, the combustion gas after filtration through primary cooler cool to 35 be discharged into by air outlet while spending specify in gas-holder stand-by.
Principle of work of the present utility model:
The heating of carbonization decomposition device is heat-processed from the bottom up, so temperature of lower is high, upper temp is low, and when temperature of lower reaches 900 while spending, upper temp is 350 degree, under this furnace state, fuel destructive distillation curve in carbonization decomposition device destructive distillation chamber is " V " font, and more down the degree of fuel destructive distillation is darker, arrives the bottom of carbonization decomposition device, fuel, from surrounding destructive distillation to center, completes the retort process of biomass.In this process, the dry distillation rate of biomass and the temperature of indirect heating have direct relation, and temperature is higher, and the speed of destructive distillation is faster.Calculate by the carbonization decomposition devices of 12 meters high, 4.8 tons of carbonization decomposition device volumes, if pyrolysis temperature is controlled between 850-900 degree, whole stove fuel Removes All carbonization decomposition device needs one hour outward, average per minute fuel moves down 200 millimeters, need consumption of calorie 1,440,000 kcal, per minute produces combustion gas 24-28 cubic meter; If temperature is brought up between 900-950 degree, the fuel in carbonization decomposition device Removes All stove needs 40 minutes outward, and average per minute material moves down 300 millimeters, needs consumption of calorie substantially constant, and per minute produces combustion gas 30-36 cubic meter.
In whole retort process, be also accompanied by cracking process.In biomass fuel slowly moves down in carbonization decomposition device, the fugitive constituent of biomass is also separated out gradually with the rising of temperature, the fugitive constituent that departs from biomass is poured into gas outlet from top to bottom through the space between biomass solid, in the process flowing downward, fugitive constituent is through the red-hot pyrocarbon district of 900 degree, make to be mixed in gaseous state tar and red-hot charcoal generation catalyzed reaction in fugitive constituent, what be short molecular chain coke tar cracking can not coagulate inflammable gas, realizes the cracking of tar.
Red-hot charcoal after destructive distillation outputs to the burnt chamber of breath through the quantitative outlet roller of coke on breath burnt carbon removal device top.The rotating speed of the quantitative outlet roller of coke, in the time that gas retort 850-900 spends, is set as 4 revs/min; When 900-950 spends, be set as 6 revs/min.Red-hot coke is under the burnt indoor steam ambient of breath, coke extinguishes gradually on the one hand, the red-hot coke of another reverse side and steam reaction generate the inflammable gass such as carbon monoxide and methane, this part inflammable gas is upwards pooled to gas outlet and enters in gas cleaning device, thereby has increased the output of inflammable gas.Cooled coke, intermittently derives by the upper sealing valve, lower sealing valve and the carbon-type seal storehouse that cease in burnt carbon removal device.
The combustion gas producing in carbonization decomposition device enters gas cleaning device through combustion gas take-up gear, combustion gas by the combustion gas filter element filtering of combustion gas primary filter in gas cleaning device after, dust impurity in combustion gas is by filtering, steam in combustion gas and the tar particles of suspension are condensed into the liquid cone of the hydrops by gas cleaning device bottom and get rid of, the fuel gas temperature being filtered be reduced to 35 while spending by gas outlet be discharged into specify in gas-holder stand-by, the biological fuel gas forming, calorific value is at 4000-4500kcal/M
3.
The beneficial effects of the utility model:
1, carbonization decomposition device in process of production biomass fuel through compact formed can be mobile by deadweight, translational speed, by the quantitative outlet roller control of coke, has guaranteed that fuel flow is smooth and easy, realizes stable serialization and produces;
2, carbonization decomposition device vertically arranges, and determine height according to production scale, thoroughly solve volume little problem in destructive distillation chamber in biomass destructive distillation cracking device, relatively increase the residence time of biomass in carbonization decomposition device, can fully reach the effect of carbonization decomposition, can accomplish scale production;
3, the utility model design gas charcoal flow direction in the same way, makes gas, charcoal in the contact process of cracking section, and red-hot charcoal has played katalysis, and the inflammable gas that is short chain by the gas phase coke tar cracking in combustion gas has been realized the function of autocatalysis cracking;
4, the utility model adopts patch fuel, improve the thermal conductivity of carbonization decomposition device fuel, thereby improve the thermo-efficiency of carbonization decomposition device, shorten the destructive distillation time on the one hand, saved the energy, the coke of output directly can be used as product sale on the other hand, has shortened operation, lower cost, improved benefit.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram that device each several part described in the utility model arranges.
Fig. 2 is the side-looking structural representation that device each several part described in the utility model arranges.
Fig. 3 is the thin bilge construction front view of device described in the utility model.
Fig. 4 is the thin bilge construction side-view of device described in the utility model.
Gas cleaning device structural representation in Fig. 5 device described in the utility model.
Fig. 6 is device integrally combined schematic diagram described in the utility model.
1, feeding device 2, carbonization decomposition device 3, combustion gas take-up gear 4, cease burnt carbon removal device
5, gas cleaning device 6, quirk 7, smoke outlet 8, safety vent valve 9, regenerator
11, baffle-type transfer roller 12, opened type feed bin 13, upper sealing valve 14, sealing feed bin
15, lower sealing valve 16, spiral quantitative material feeder 41, cease burnt chamber 42, upper sealing valve
43, carbon-type seal storehouse 44, lower sealing valve 45, the quantitative outlet roller 51 of coke, combustion gas collector groove
52, combustion gas primary filter 53, switching valve 54, combustion gas filter core 55, air outlet
56, hydrops cone 57, leakage fluid dram.
Embodiment
Refer to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6:
The device that biological fuel gas is produced in self-fluidized type high power CW described in the utility model destructive distillation by feeding device 1, carbonization decomposition device 2, combustion gas take-up gear 3, cease burnt carbon removal device 4 and gas cleaning device 5 forms, wherein feeding device 1 is located at carbonization decomposition device 2 tops, the discharge port of feeding device 1 is communicated with the opening for feed of carbonization decomposition device 2, combustion gas take-up gear 3 and the burnt carbon removal device 4 of breath are located at the bottom of carbonization decomposition device 1 and are connected with the destructive distillation chamber of carbonization decomposition device 1, and gas cleaning device 5 is connected with combustion gas take-up gear 3.
Carbonization decomposition device 2 is made up of ordered series of numbers, the destructive distillation chamber of every row carbonization decomposition device 2 is hollow, and connect up and down, on the destructive distillation chamber sidewall of carbonization decomposition device 2, be arranged with quirk 6, top offers smoke outlet 7, quirk 6 is communicated with smoke outlet 7, and quirk 6 provides thermal source by burner, offers safety vent valve 8 on the top cover of carbonization decomposition device 2.
Carbonization decomposition device 2 be externally connected to several regenerator 9, regenerator 9 is communicated with quirk 6, the import of regenerator 9 is connected with burner, the setting of regenerator 9 is spaced apart 2-3 rice.
The material of carbonization decomposition device 2 is corundum material.
Feeding device 1 is by baffle-type transfer roller 11, opened type feed bin 12, upper sealing valve 13, sealing feed bin 14, lower sealing valve 15 and spiral quantitative material feeder 16 form, wherein baffle plate type transfer roller 11 is driven by frequency control motor, baffle plate type transfer roller 11 bottoms are connected with underground material storage container, baffle plate type transfer roller 11 tops are connected with opened type feed bin 12, the discharge port of opened type feed bin 12 is connected with the opening for feed of sealing feed bin 14 by upper sealing valve 13, the discharge port of sealing feed bin 14 is connected with the opening for feed of spiral quantitative material feeder 16 by lower sealing valve 15, upper sealing valve 13 and lower sealing valve 15 are driven by frequency control motor, alternately open and close, guarantee the stopping property of sealing feed bin 14, spiral quantitative material feeder 16 is the screw rod feeders that driven by frequency control motor, need to determine travelling speed according to destructive distillation output.
In combustion gas take-up gear 3, be provided with annular combustion gas pneumatic trough, inside is provided with several slanted channels and is connected with the destructive distillation chamber of carbonization decomposition device 2, make the combustion gas producing in carbonization decomposition device 2 import combustion gas pneumatic trough by slanted channel, combustion gas take-up gear 3 is provided with gas outlet, and the width of slanted channel is 40 millimeters.
Cease burnt carbon removal device 4 by the burnt chamber 41 of breath, upper sealing valve 42, carbon-type seal storehouse 43 and lower sealing valve 44 form, the import that wherein ceases 41 tops, burnt chamber is communicated with the outlet of carbonization decomposition device 2 bottoms, connectivity part is provided with the quantitative outlet roller 45 of coke, the quantitative outlet roller 45 of coke is driven by motor, the quantitative outlet roller 45 of coke is synchronizeed rotation with the spiral quantitative material feeder 16 in feeding device 1, the outlet that ceases 41 bottoms, burnt chamber is connected by upper sealing valve 42 with the import on 43 tops, carbon-type seal storehouse, the outlet of 43 bottoms, carbon-type seal storehouse is connected with lower sealing valve 44, the defocused coke of breath is discharged by lower sealing valve 44 in batches.
Gas cleaning device 5 is made up of combustion gas collector groove 51 and combustion gas primary filter 52, wherein the inlet mouth of combustion gas collector groove 51 is communicated with combustion gas take-up gear 3, the outlet of combustion gas collector groove 51 bottoms is communicated with the inlet mouth of combustion gas primary filter 52 by switching valve 53, in combustion gas primary filter 52, be provided with combustion gas filter core 54, combustion gas filter core 54 is drawer type, so that change, filtrate in combustion gas filter core 54 is biomass combustiblematerials, so just can guarantee that filtrate and the impurity filtering out melt down rekindles, stop the generation of polluting, on the sidewall of combustion gas primary filter 52 bottoms, offer air outlet 55, the bottom of combustion gas primary filter 52 is connected with hydrops cone 56, the lower end of hydrops cone 56 offers leakage fluid dram 57.
The technique of biological fuel gas is produced in self-fluidized type high power CW described in the utility model destructive distillation, and concrete technology is as described below:
The operation of the first step, carbonization decomposition device 2:
First carbonization decomposition device 2 is heated, open burner, heating curve and heating-up time according to design heat carbonization decomposition device 2, and carry out temperature equilibrium by heating curve, every intensification 50 is spent balance 20 minutes, be warmed up to 700 degree, time needs 6 hours, when carbonization decomposition device 2 temperature of lower reach 300 while spending, start to feed in raw material, the biomass fuel of compression moulding is put into underground material storage container, by baffle-type transfer roller 11, fuel is delivered to the opened type feed bin 12 on feeding device 1 top, intensification initial stage feed rate is per minute 80-100 kilogram, temperature reaches after 700 degree, feed rate is carried to per minute 120-150 kilogram, alternately open and close upper sealing valve 13 and the lower sealing valve 15 on feeding device 1 according to the input speed timing of design, in the time that upper sealing valve 13 is opened, fuel falls into sealing feed bin 14 automatically from opened type feed bin 12, close upper sealing valve 13, open lower sealing valve 15, raw material enters spiral quantitative material feeder 16 automatically, fuel is at the uniform velocity pushed in the destructive distillation chamber of carbonization decomposition device 2 according to the input speed of setting by spiral quantitative material feeder 16, after the fuel in sealing feed bin 14 is cleared, upper sealing valve 13 and lower sealing valve 15 are closed automatically, then open upper sealing valve 13, repeat above step, fuel is continuously inputted in the destructive distillation chamber of carbonization decomposition device 2 under airtight state,
The collection of second step, coke:
Red-hot charcoal after destructive distillation outputs to the burnt chamber 41 of breath through the quantitative outlet roller 45 of coke of the burnt carbon removal device 4 of breath, and the rotating speed of the quantitative outlet roller 45 of coke, in the time that gas retort 850-900 spends, is set as 4 revs/min; When 900-950 spends, be set as 6 revs/min, cooled coke, intermittently derives by the upper sealing valve 42, lower sealing valve 44 and the carbon-type seal storehouse 43 that cease in burnt carbon removal device 4;
Purification and the collection of the 3rd step, combustion gas:
The combustion gas producing in carbonization decomposition device 2 enters gas cleaning device 5 through combustion gas take-up gear 3, after combustion gas is filtered by the combustion gas filter core 54 of combustion gas primary filter 52 in gas cleaning device 5, dust impurity in combustion gas is by filtering, steam in combustion gas and the tar particles of suspension are condensed into the liquid cone of the hydrops by gas cleaning device 5 bottoms 56 to be got rid of, the combustion gas after being filtered through primary cooler cool to 35 be discharged into by air outlet 55 while spending specify in gas-holder stand-by.
Principle of work of the present utility model:
The heating of carbonization decomposition device 2 is heat-processed from the bottom up, so temperature of lower is high, upper temp is low, and when temperature of lower reaches 900 while spending, upper temp is 350 degree, under this furnace state, fuel destructive distillation curve in carbonization decomposition device 2 destructive distillation chambers is " V " font, and more down the degree of fuel destructive distillation is darker, arrives the bottom of carbonization decomposition device 2, fuel, from surrounding destructive distillation to center, completes the retort process of biomass.In this process, the dry distillation rate of biomass and the temperature of indirect heating have direct relation, and temperature is higher, and the speed of destructive distillation is faster.Calculate by the carbonization decomposition devices of 12 meters high, 4.8 tons of carbonization decomposition device 2 volumes, if pyrolysis temperature is controlled between 850-900 degree, whole stove fuel Removes All the outer needs of carbonization decomposition device 2 one hour, average per minute fuel moves down 200 millimeters, need consumption of calorie 1,440,000 kcal, per minute produces combustion gas 24-28 cubic meter; If temperature is brought up between 900-950 degree, the fuel in carbonization decomposition device 2 Removes All stove needs 40 minutes outward, and average per minute material moves down 300 millimeters, needs consumption of calorie substantially constant, and per minute produces combustion gas 30-36 cubic meter.
In whole retort process, be also accompanied by cracking process.Biomass fuel carbonization decomposition device 2 is interior slowly move down in, the fugitive constituent of biomass is also separated out gradually with the rising of temperature, the fugitive constituent that departs from biomass is poured into gas outlet from top to bottom through the space between biomass solid, in the process flowing downward, fugitive constituent is through the red-hot pyrocarbon district of 900 degree, make to be mixed in gaseous state tar and red-hot charcoal generation catalyzed reaction in fugitive constituent, what be short molecular chain coke tar cracking can not coagulate inflammable gas, realizes the cracking of tar.
Red-hot charcoal after destructive distillation outputs to the burnt chamber of breath through the quantitative outlet roller 45 of coke on breath burnt carbon removal device 4 tops.The rotating speed of the quantitative outlet roller 45 of coke, in the time that gas retort 850-900 spends, is set as 4 revs/min; When 900-950 spends, be set as 6 revs/min.Red-hot coke is under the interior steam ambient in the burnt chamber 41 of breath, coke extinguishes gradually on the one hand, the red-hot coke of another reverse side and steam reaction generate the inflammable gass such as carbon monoxide and methane, this part inflammable gas is upwards pooled to gas outlet and enters in gas cleaning device 5, thereby has increased the output of inflammable gas.Cooled coke, intermittently derives by the upper sealing valve 42, lower sealing valve 44 and the carbon-type seal storehouse 43 that cease in burnt carbon removal device 4.
The combustion gas producing in carbonization decomposition device 2 enters gas cleaning device 5 through combustion gas take-up gear 3, after combustion gas is filtered by the combustion gas filter core 54 of combustion gas primary filter 52 in gas cleaning device 5, dust impurity in combustion gas is by filtering, steam in combustion gas and the tar particles of suspension are condensed into the liquid cone of the hydrops by gas cleaning device 5 bottoms 56 and get rid of, the fuel gas temperature being filtered be reduced to 35 while spending by air outlet 55 be discharged into specify in gas-holder stand-by, the biological fuel gas forming, calorific value is at 4000-4500kcal/M
3.
Claims (7)
1. the device of biological fuel gas is produced in self-fluidized type high power CW destructive distillation, by feeding device, carbonization decomposition device, combustion gas take-up gear, cease burnt carbon removal device and gas cleaning device composition, wherein feeding device is located at carbonization decomposition device top, the discharge port of feeding device is communicated with the opening for feed of carbonization decomposition device, combustion gas take-up gear and the burnt carbon removal device of breath are located at the bottom of carbonization decomposition device and are connected with the destructive distillation chamber of carbonization decomposition device, gas cleaning device is connected with combustion gas take-up gear, it is characterized in that: described carbonization decomposition device is made up of ordered series of numbers, the destructive distillation chamber of every row carbonization decomposition device is hollow, and connect up and down, on the destructive distillation chamber sidewall of carbonization decomposition device, be arranged with quirk, top offers smoke outlet, quirk is communicated with smoke outlet, quirk provides thermal source by burner, on the top cover of carbonization decomposition device, offer safety vent valve.
2. the device of biological fuel gas is produced in a kind of self-fluidized type high power CW according to claim 1 destructive distillation, it is characterized in that: described carbonization decomposition device be externally connected to several regenerator, regenerator is communicated with quirk, the import of regenerator is connected with burner, and the setting of regenerator is spaced apart 2-3 rice.
3. the device of biological fuel gas is produced in a kind of self-fluidized type high power CW according to claim 1 destructive distillation, it is characterized in that: the material of described carbonization decomposition device is corundum material.
4. the device of biological fuel gas is produced in a kind of self-fluidized type high power CW according to claim 1 destructive distillation, it is characterized in that: described feeding device is by baffle-type transfer roller, opened type feed bin, upper sealing valve, sealing feed bin, lower sealing valve and spiral quantitative material feeder composition, wherein baffle conveyer belt is driven by frequency control motor, baffle conveyer belt bottom is connected with underground material storage container, baffle conveyer belt top is connected with opened type feed bin, the discharge port of opened type feed bin is connected with the opening for feed of sealing feed bin by upper sealing valve, the discharge port of sealing feed bin is connected with the opening for feed of spiral quantitative material feeder by lower sealing valve, upper sealing valve and lower sealing valve are driven by frequency control motor, alternately open and close, spiral quantitative material feeder is the screw rod feeder being driven by frequency control motor.
5. the device of biological fuel gas is produced in a kind of self-fluidized type high power CW according to claim 1 destructive distillation, it is characterized in that: in described combustion gas take-up gear, be provided with annular combustion gas pneumatic trough, inside is provided with several slanted channels and is connected with the destructive distillation chamber of carbonization decomposition device, make the combustion gas producing in carbonization decomposition device import combustion gas pneumatic trough by slanted channel, combustion gas take-up gear is provided with gas outlet, and the width of slanted channel is 40 millimeters.
6. the device of biological fuel gas is produced in a kind of self-fluidized type high power CW according to claim 1 destructive distillation, it is characterized in that: the burnt carbon removal device of described breath is by ceasing burnt chamber, upper sealing valve, carbon-type seal storehouse and lower sealing valve composition, the import that wherein ceases top, burnt chamber is communicated with the outlet of carbonization decomposition device bottom, connectivity part is provided with the quantitative outlet roller of coke, the quantitative outlet roller of coke is driven by motor, the quantitative outlet roller of coke is synchronizeed and is rotated with the spiral quantitative material feeder in feeding device, the outlet that ceases bottom, burnt chamber is connected by upper sealing valve with the import on top, carbon-type seal storehouse, the outlet of bottom, carbon-type seal storehouse is connected with lower sealing valve, the defocused coke of breath is discharged by lower sealing valve in batches.
7. the device of biological fuel gas is produced in a kind of self-fluidized type high power CW according to claim 1 destructive distillation, it is characterized in that: described gas cleaning device is made up of combustion gas collector groove and combustion gas primary filter, wherein the inlet mouth of combustion gas collector groove is communicated with combustion gas take-up gear, the outlet of combustion gas collector groove bottom is communicated with the inlet mouth of combustion gas primary filter by switching valve, in combustion gas primary filter, be provided with combustion gas filter core, combustion gas filter core is drawer type, filtrate in combustion gas filter core is biomass machining object, on the sidewall of combustion gas primary filter combustion gas filter core bottom, offer air outlet, the bottom of combustion gas primary filter is provided with hydrops cone, the lower end of hydrops cone offers leakage fluid dram.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103725298A (en) * | 2014-01-21 | 2014-04-16 | 王士元 | Device and process for preparing biomass fuel gas through self-fluidizing large-power continuous destructive distillation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103725298A (en) * | 2014-01-21 | 2014-04-16 | 王士元 | Device and process for preparing biomass fuel gas through self-fluidizing large-power continuous destructive distillation |
| CN103725298B (en) * | 2014-01-21 | 2015-09-09 | 王士元 | Device and the technique of biological fuel gas are produced in the destructive distillation of a kind of self-fluidized type high power CW |
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