CN110093189A - More return-stroke biomass solid gas crack purification furnace - Google Patents
More return-stroke biomass solid gas crack purification furnace Download PDFInfo
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- CN110093189A CN110093189A CN201910395408.6A CN201910395408A CN110093189A CN 110093189 A CN110093189 A CN 110093189A CN 201910395408 A CN201910395408 A CN 201910395408A CN 110093189 A CN110093189 A CN 110093189A
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- backhauls
- revolving body
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- revolving
- gas
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/58—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels combined with pre-distillation of the fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
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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
- Y02P20/10—Process efficiency
-
- 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
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to a kind of biomass solid combustion gas Preparation equipments.More return-stroke biomass solid gas crack purification furnace, including furnace body, screw-feeder, lower hopper, preceding carrying roller, the driven gear of annular, rear carrying roller, cyclone cylinder, the rotary body of more backhauls, main motor, Waste Heat Recovery pipe, combustor；The rear portion of the rotary body of more backhauls is shelved on rear carrying roller；The front outer wall of the rotary body of more backhauls is fixed with the driven gear of annular, is equipped with driving gear on the output shaft of main motor, driving gear is meshed with driven gear；The discharge port of lower hopper is connected with the feeding inlet of screw-feeder, and the discharge port of screw-feeder is located in the feed inlet of the first revolving body of the rotary body of more backhauls；The combustion chamber of hot fume room and combustor, hot fume room are located at the outside of the rotary body of more backhauls；The rotary body of more backhauls includes 2-3 revolving body.The pyrolysis furnace has the characteristics that the length that heat energy utilization is abundant, can effectively reduce revolving body.
Description
Technical field
The present invention relates to a kind of biomass solid combustion gas Preparation equipments, and in particular to a kind of more return-stroke biomass solid gas
Crack purification furnace.
Background technique
Biomass fuel can solve crop straw burning pollution air, and alternative fossil energy.Currently, biomass fuel is raw
It produces and mainly uses two kinds of methods.The first is physical method: cannot change components of biomass, now mostly briquetting (particle)；It lacks
Point is: caloic is extremely difficult to Industrial Boiler requirement, and as the consequence for burning pollution air down on the farm, also easy coking
Damage boiler.It is process for producing into biomass gas or liquid fuel, but wants dedicated transport pipeline or special transport vehicle for second,
Fuel could be shipped for user, even if combustion gas is shipped for user, but many clients do not have security against fire use condition again, make
With at high cost, while the relatively low cost performance of biomass thermal transfer efficiency is low, and exploitativeness is poor.
There is a kind of single return-stroke biomass solid gas cracking purification furnace (or biomass solid combustion gas carbonization system) at present,
There are following deficiencies: the heat energy utilization that combustion chamber generates is insufficient.
Summary of the invention
The purpose of the present invention is to provide a kind of more return-stroke biomass solid gas to crack purification furnace, which purifies stove
Have heat energy utilization sufficiently, can effectively reduce the characteristics of length of revolving body.
To achieve the above object, the technical solution used in the present invention: more return-stroke biomass solid gas crack purification furnace,
It is characterized by comprising furnace body, screw-feeder 22, lower hopper 24, preceding carrying roller 26, annular driven gear 27, rear carrying roller 28,
Cyclone cylinder 30, the rotary body of more backhauls, main motor 41, Waste Heat Recovery pipe, combustor 6；The front left side, the right of furnace body are set respectively
There is preceding carrying roller 26, the rear portion left side, the right of furnace body are respectively equipped with rear carrying roller 28, and the front of the rotary body of more backhauls is shelved on forestock
On roller 26, the rear portion of the rotary body of more backhauls is shelved on rear carrying roller 28；The front outer wall of the rotary body of more backhauls is fixed with ring
The driven gear 27 of shape, main motor 41 are mounted on furnace body, and driving gear, driving gear are equipped on the output shaft of main motor 41
It is meshed with driven gear 27；Screw-feeder 22, lower hopper 24 are respectively and fixedly installed on furnace body, and lower hopper 24 is located at spiral
The discharge port of the front upper of feeder 2, lower hopper 24 is connected with the feeding inlet of screw-feeder 2, and screw-feeder 2 goes out
Material mouth is located in the feed inlet of the first revolving body 34 of the rotary body of more backhauls；8 phase of combustion chamber of hot fume room 50 and combustor 6
Connection, hot fume room 50 are mounted on furnace body, and hot fume room 50 is located at the outside of the rotary body of more backhauls；It is set on hot fume room 50
There is waste hot gas to export 36, waste hot gas outlet 36 is connected with Waste Heat Recovery pipe；
The rotary body of more backhauls includes 2-3 revolving body, and the second revolving body 32 is located at outside the first revolving body 34, the second revolution
Body 32 is fixedly connected with the first revolving body 34, and first passage 35 is equipped in the first revolving body 34, and the is equipped in the second revolving body 32
Two channels 38, the front end of first passage 35 are feed inlet, and the rear end of first passage 35 is closed end, the rear end of the first revolving body 34
Portion is equipped with the first blanking port 37, and first passage 35 is connected by the first blanking port 37 with second channel 38, the second revolving body 32
Front end is equipped with the second blanking port；It is equipped with the first stock guide 33 in first revolving body 34, the first stock guide 33 tilts backwards, and second
The second stock guide 39 is equipped in revolving body 32, the second stock guide 39 turns forward；
When using 2 revolving bodies, the furnace body of the lower section of the second blanking port is equipped with discharge port 40, the furnace at the second blanking port
Body is equipped with annular groove, and discharge port 4 is located in annular groove；
When using 3 revolving bodies, third revolving body 46 is located at outside the second revolving body 32, third revolving body 46 and the second revolution
Body 32 is fixedly connected, and third channel 47 is equipped in third revolving body 46, and the second blanking port 45 is located in third channel 47, and second is logical
Road 38 is connected by the second blanking port 45 with third channel 47, and third stock guide 48, third guide are equipped in third revolving body 46
Plate 48 tilts backwards；The rear end of third revolving body 46 is equipped with third blanking port 49, sets on the furnace body of the lower section of third blanking port 49
There is discharge port 40, the furnace body at third blanking port is equipped with annular groove, and discharge port 4 is located in annular groove；
The furnace body of 40 top of discharge port is equipped with cyclone cylinder 30.
Gas-material separator 31 is equipped in the cyclone cylinder 30；The gas-material separator 31 includes front apron, rear baffle, front
Plate, rear baffle number be respectively 1-4, front apron, rear baffle are separately fixed on cyclone cylinder inner wall, front apron, rear baffle
Intersect arrangement.
The rotary body of more backhauls is 3 revolving bodies, the entrance of the third blanking port 49 and the material blanking tube 44 of spiral
It is connected, 44 spiral winding of material blanking tube of spiral is on the outer wall of third revolving body 46, the material blanking tube 44 and third revolving body of spiral
46 are fixedly connected；The furnace body of the lower section of the material blanking tube 44 of spiral is equipped with discharge port 40.
The screw-feeder 22 includes cylinder 51, screw feed rod, helical blade, charging motor 23, the rear end of cylinder
For discharge end, the nock of cylinder is equipped with feeding inlet, and screw feed rod is equipped with helical blade, screw feed rod and helical-blade
Piece is located in cylinder, and charging motor 23 is located at the front side of cylinder, before the axis of charging motor 23 is by shaft coupling and screw feed rod
End is connected；The rear end of cylinder is inserted into the feed inlet of the first revolving body 34 of the rotary body of more backhauls；Cylinder, charging motor 23
It is fixedly mounted on furnace body.
The more return-stroke biomass solid gas cracking purification furnace further includes heat exchanger 11, cold water pipe 10, hot-water line 12,
Waste Heat Recovery pipe is made of the first Waste Heat Recovery pipe 9 and the second Waste Heat Recovery pipe 13, one end of the first Waste Heat Recovery pipe 9 and waste heat
Gas outlet 36 is connected, and the other end of the first Waste Heat Recovery pipe 9 is connected with the first medium entrance of heat exchanger 11, the second waste heat
One end of recovery tube 13 is connected with the outlet of the first medium of heat exchanger 11, the other end and drying oven of the second Waste Heat Recovery pipe 13
14 hot gas inlet is connected；Cold water pipe 10 is connected with the second medium entrance of heat exchanger 11, hot-water line 12 and heat exchanger
11 second medium outlet is connected.
The more return-stroke biomass solid gas cracking purification furnace further include can burning smoke recovery tube 2, cyclone dust collectors 3, can
Burning smoke air-introduced machine 4, flammable smoke pipe 5；Can one end of burning smoke recovery tube 2 be connected with the cyclone cylinder 30 on furnace body, can burning smoke recycling
The other end of pipe 2 is connected with the entrance of cyclone dust collectors 3, and the outlet of cyclone dust collectors 3 is by flammable smoke pipe 5 and combustor 6
Burner 7 is connected, and flammable smoke pipe 5 is equipped with can burning smoke air-introduced machine 4.
The beneficial effects of the present invention are:
1, using 2-3 revolving body (more return pass), biomass material preheating in first passage, the life of outer layer channel
Raw material of substance (second channel, third channel) is cracked into biomass solid combustion gas, and the thermal energy that burner generates has obtained abundant benefit
With having the characteristics that low energy consumption.First passage (i.e. internal channel) walks raw material, to raw material preheating, can effectively reduce the length of revolving body
Degree.
2, using mono- heat exchanger of Waste Heat Recovery Guan Shangshe, heat exchange is carried out after cold water entrance, hot water is generated, for work
People's bathing etc. is used；Waste heat can be made full use of to generate hot water.
3, gas-material separator is set in cyclone cylinder (or cracking gas collecting hood), Conveyance can be carried out.Expect (solid particle
Object) it not can enter combustion chamber, the solid particulate matter needed is collected into product, improves product yield.Cracking gas (or it is flammable
Flue gas) it mixes into combustion chamber with the hot fume that combustor generates and burns again, the hot fume of generation enters hot fume room to original
Material provides heat source.
4, it using the material blanking tube of spiral, has resistance when outside air enters, in air revolving body difficult to get access, improves
Safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the more return-stroke biomass solid gas cracking purification systems of the present invention.
Fig. 2 is the structure of more return-stroke biomass solid gas cracking purification furnace of the embodiment of the present invention 1 (when 2 revolving bodies)
Schematic diagram.
Fig. 3 is the cross-sectional view in Fig. 2 along line A-A.
Fig. 4 is the cross-sectional view in Fig. 3 along line B-B.
Fig. 5 is the stereoscopic schematic diagram of more return-stroke biomass solid gas cracking purification furnace of the embodiment of the present invention 1.
Fig. 6 is the principle sketch of the embodiment of the present invention 1.
Fig. 7 is the structure of more return-stroke biomass solid gas cracking purification furnace of the embodiment of the present invention 2 (when 3 revolving bodies)
Schematic diagram.
Fig. 8 is the cross-sectional view in Fig. 7 along line C-C.
Fig. 9 is the cross-sectional view in Fig. 8 along line D-D.
Figure 10 is the material blanking tube knot of the spiral in more return-stroke biomass solid gas cracking purification furnace of the embodiment of the present invention 1
Structure schematic diagram.
In figure: the more return-stroke biomass solid gas of 1- crack purification furnaces, 2- can burning smoke recovery tube, 3- cyclone dust collectors, 4-
Can burning smoke air-introduced machine, 5- is flammable smoke pipe, 6- combustor, 7- burner, the combustion chamber 8-, 9- the first Waste Heat Recovery pipe, 10- cold water
Pipe, 11- heat exchanger, 12- hot-water line, 13- the second Waste Heat Recovery pipe, 14- drying oven, the first conveyer of 15-, 16- transitional storehouse,
17- cyclone dust collectors, 18- pipeline, 19- air-introduced machine, 20- spray column, 21- biomass material feeding inlet, 22- screw-feeder,
23- charging motor, 24- lower hopper, 25- water-cooling spiral machine, carrying roller before 26-, the driven gear of 27- annular, carrying roller after 28-, 29-
Repairing frame, 30- cyclone cylinder, 31- gas-material separator, the second revolving body of 32-, the first stock guide of 33-, the first revolving body of 34-, 35-
First passage, the outlet of 36- waste hot gas, the first blanking port of 37-, 38- second channel, the second stock guide of 39-, 40- discharge port, 41-
Main motor, 42- close general mood and move inlet valve, 43- shield, the material blanking tube of 44- spiral, the second blanking port of 45-, the revolution of 46- third
Body, 47- third channel, 48- third stock guide, 49- third blanking port, 50- hot fume room, 51- cylinder.
Specific embodiment
In order to be best understood from the present invention, the present invention is described further below with reference to embodiment, the content of present invention covers
But it is not limited to following embodiment.
Embodiment 1
As shown in figures 1 to 6, more return-stroke biomass solid gas crack purification furnace, including furnace body, screw-feeder 22, blanking
Bucket 24, preceding carrying roller 26, the driven gear 27 of annular, rear carrying roller 28, cyclone cylinder 30, the rotary body of more backhauls, main motor 41, waste heat
Recovery tube, combustor 6 (in Fig. 3, before the right is, the left side is rear)；The front left side, the right of furnace body (or grate) are respectively equipped with
Preceding carrying roller 26 (for holding up the rotary body of more backhauls), the rear portion left side, the right of furnace body are respectively equipped with rear carrying roller 28, and (being used for will
The rotary body of more backhauls is held up), before the front of the rotary body of more backhauls is shelved on carrying roller 26, the rear portion of the rotary body of more backhauls
It is shelved on rear carrying roller 28 that (rotary body of i.e. more backhauls can rotate, above the front left side of the rotary body of more backhauls, the right
Equipped with pinch roller, the rear portion left side, the right top of the rotary body of more backhauls are equipped with pinch roller, and pinch roller is mounted on furnace body)；More backhauls
The front outer wall of rotary body be fixed with the driven gear 27 of annular, main motor 41 is mounted on furnace body, the output of main motor 41
Driving gear is installed, driving gear is meshed with driven gear 27, and (main motor rotation drives the rotary body rotation of more backhauls on axis
Turn)；Screw-feeder 22, lower hopper 24 are respectively and fixedly installed on furnace body, and lower hopper 24 is located on the front of screw-feeder 2
Side, the discharge port of lower hopper 24 is connected with the feeding inlet of screw-feeder 2, and (lower hopper 24, which is equipped with, closes the dynamic inlet valve of general mood
42), the discharge port of screw-feeder 2 is located at (screw-feeder 2 in the feed inlet of the first revolving body 34 of the rotary body of more backhauls
It is not contacted with the first revolving body 34)；Hot fume room 50 be connected with the combustion chamber 8 of combustor 6 combustor 6 generate hot fume
Into combustion chamber 8, then with cracking gas (by can the cracking gas brought of burning smoke recovery tube 2, flammable smoke pipe 5 or combustible fumes)
Mixing is burnt again, and the hot fume of generation enters hot fume room 50 and provides heat source (heating to material) to raw material, is then led to
Cross Waste Heat Recovery pipe (discharge of the first Waste Heat Recovery pipe 9)；Since cracking gas is utilized, the burning of combustor 6 is reduced；Start work
It is most of to provide heat source (entering combustion chambers burn) using cracking gas after making a period of time }, hot fume room 50 is mounted on furnace body
On, hot fume room 50 is located at the outside of the rotary body of more backhauls, and (hot fume room 50 is not contacted with the rotary body of more backhauls, i.e., hot cigarette
Gas chamber 50 is not rotated with the rotary body of more backhauls)；Hot fume room 50 is equipped with waste hot gas outlet 36, waste hot gas outlet 36 and waste heat
Recovery tube is connected；
The rotary body of more backhauls include 2-3 revolving body (a rotating body of more backhauls be equipped with 2-3 channel, i.e., more times
Journey), the second revolving body 32 is located at the first revolving body 34 outer (the second revolving body 32 wraps up the first revolving body 34), the second revolving body 32
It is fixedly connected with the first revolving body 34, first passage 35 is equipped in the first revolving body 34, it is logical to be equipped with second in the second revolving body 32
Road 38 (second channel 38 is located at 35 outside of first passage), the front end of first passage 35 is feed inlet, the rear end of first passage 35
Rear end for closed end, the first revolving body 34 is equipped with the first blanking port 37, and first passage 35 is by the first blanking port 37 and second
Channel 38 is connected (front and back end of second channel is closed end), and the front end of the second revolving body 32 is equipped with the second blanking port
(the second blanking port is located in second channel)；It is equipped with the first stock guide 33 in first revolving body 34, the first stock guide 33 retreats
Tiltedly (the first stock guide push material move backward), be equipped with the second stock guide 39 in the second revolving body 32, the second stock guide 39 to
Top rake (the second stock guide 39 pushes material to move forward)；When using 2 revolving bodies, on the furnace body of the lower section of the second blanking port
Equipped with discharge port 40, the furnace body at the second blanking port is equipped with annular groove (annular groove is for accommodating material), and discharge port 4 is located at ring
(material of the second revolving body 32 falls through into annular groove by the second blanking port, by 40 row of discharge port in annular groove in shape slot
It walks)；
When using 3 revolving bodies, third revolving body 46 is located at the outer (package of third revolving body 46 second time of the second revolving body 32
Swivel 32, third channel 47 is located at outside second channel 38), third revolving body 46 is fixedly connected with the second revolving body 32, and third is returned
It is equipped with third channel 47 (front and back end of third channel is closed end) in swivel 46, the second blanking port 45 is located at third channel 47
Interior, second channel 38 is connected by the second blanking port 45 with third channel 47, and third stock guide 48 is equipped in third revolving body 46,
Third stock guide 48 tilts backwards (third stock guide pushes material to move backward)；The rear end of third revolving body 46 is fallen equipped with third
Material mouth 49, the furnace body of the lower section of third blanking port 49 are equipped with discharge port 40, and the furnace body at third blanking port is equipped with annular groove
(annular groove for accommodate material), discharge port 4 be located in annular groove (material of third revolving body 46 is fallen by third blanking port,
Drained by discharge port 40)；
The furnace body of the top of discharge port 40 be equipped with cyclone cylinder 30 (or cracking gas collecting hood, gas that discharge port is run out,
Water, granule materials are collected by cyclone cylinder, are then carried out gas, material separation, then can be carried out gas and water separation again, then add a liquid gas
Seperator).
Gas-material separator 31 is equipped in the cyclone cylinder；The gas-material separator 31 includes front apron, rear baffle, front
Plate, rear baffle number be respectively 1-4, front apron, rear baffle are separately fixed on cyclone cylinder inner wall, front apron, rear baffle
The arrangement that intersects (serpentine channel is formed in cyclone cylinder).
As shown in Figure 10, the rotary body of more backhauls is that (blanking of spiral is only suitable for using 3 revolving bodies 3 revolving bodies
When), the third blanking port 49 is connected with the entrance of the material blanking tube 44 of spiral, and 44 spiral winding of material blanking tube of spiral is returned in third
On the outer wall of swivel 46, the material blanking tube 44 of spiral is fixedly connected with third revolving body 46；The furnace of the lower section of the material blanking tube 44 of spiral
Body is equipped with discharge port 40.Discharge port 40 is connected with the entrance of water-cooling spiral machine (material conveying machine, conveying device) 25.
The feeding inlet of water-cooling spiral machine and grinding machine is connected, and (feeding inlet of conveying device is located at 40 lower section of discharge port, or is connected
It is logical；The discharge port of conveying device is located above the feeding inlet of grinding machine, or is connected)；The discharge port of grinding machine and the second dust pelletizing system
Feeding inlet be connected and (be connected).Second dust pelletizing system includes whirlwind vacuum cleaner (or rotoclone collector), pulse cloth
Bag dust collector (or pulse packet dust removal machine)；The feeding inlet of whirlwind vacuum cleaner is connected with the discharge port of grinding machine and (is connected), whirlwind
The discharge port of vacuum cleaner is connected with the feeding inlet of pulsed jet cloth filter and (is connected), and the discharge port of pulsed jet cloth filter is by grinding
Material conveyer (or grinding machine outfeed belt conveyor) and finished room, which are connected, (is arranged charging baling press, to biomass outside finished room
Solid gas product is packaged；Charging baling press may be alternatively provided at the discharge outlet of pulsed jet cloth filter), bag pulse dedusting
The dust export of device is connected with dust collecting system.
The screw-feeder 22 includes cylinder (body) 51, screw feed rod, helical blade, charging motor 23, cylinder
Rear end be discharge end (axis that the front end of cylinder is equipped with charging motor passes through hole), the nock of cylinder is equipped with feeding inlet, spiral shell
It revolves follower arm and is equipped with helical blade, screw feed rod and helical blade are located in cylinder, before charging motor 23 is located at cylinder
Side, the axis of charging motor 23 is connected by shaft coupling with the front end of screw feed rod, and (charging motor rotation drives screw feed rod
Rotation, helical blade push raw material to promote into the first passage of a rotating body of more backhauls)；More backhauls are inserted into the rear end of cylinder
Rotary body the first revolving body 34 feed inlet in (have gap between the rear end of cylinder and the rotary body of more backhauls, do not influence
The rotary body of more backhauls rotates)；Cylinder, charging motor 23 are fixedly mounted on furnace body that (charging motor 23 can also be fixedly mounted on
On cylinder).
The more return-stroke biomass solid gas cracking purification furnace further includes heat exchanger 11, cold water pipe 10, hot-water line 12,
Waste Heat Recovery pipe is made of the first Waste Heat Recovery pipe 9 and the second Waste Heat Recovery pipe 13, one end of the first Waste Heat Recovery pipe 9 and waste heat
Gas outlet 36 is connected, and the other end of the first Waste Heat Recovery pipe 9 is connected with the first medium entrance of heat exchanger 11, the second waste heat
One end of recovery tube 13 is connected with the outlet of the first medium of heat exchanger 11, the other end and drying oven of the second Waste Heat Recovery pipe 13
14 hot gas inlet is connected and (provides the gas with certain temperature to drying oven, save the energy)；Cold water pipe 10 and heat exchange
The second medium entrance of device 11 is connected, and hot-water line 12 is connected (when cold water is into laggard with the outlet of the second medium of heat exchanger 11
Row heat exchange generates hot water, uses for worker's bathing etc.).
The more return-stroke biomass solid gas cracking purification furnace further include can burning smoke recovery tube 2, cyclone dust collectors 3, can
Burning smoke air-introduced machine 4, flammable smoke pipe 5；Can one end of burning smoke recovery tube 2 be connected with the cyclone cylinder 30 on furnace body, can burning smoke recycling
The other end of pipe 2 is connected with the entrance of cyclone dust collectors 3, and the outlet of cyclone dust collectors 3 is by flammable smoke pipe 5 and combustor 6
Burner 7 is connected, and flammable smoke pipe 5 is equipped with can burning smoke air-introduced machine 4.More return-stroke biomass solid gas cracking purification furnaces 1 produce
After raw combustible fumes enters 3 dedusting of cyclone dust collectors, by can burning smoke air-introduced machine 4 be pumped into combustor 6 burner 7, for burning
It burns room 8.
The furnace body is equipped with repairing frame 29, shield 43.
As shown in Figure 1, more return-stroke biomass solid gas crack purification system, including more return-stroke biomass solid gas are split
Solve purification furnace (temperature can be 200-800 DEG C) 1, first dust pelletizing system, drying oven 14, the first conveyer 15, transitional storehouse 16, second
Conveyer；Lower hopper (feeding inlet) 24, the discharge port that the furnace body of more return-stroke biomass solid gas cracking purification furnaces 1 is equipped with
40；Drying oven 14 is equipped with biomass material feeding inlet 21, and the discharge port of drying oven 14 is by the first conveyer 15 and transitional storehouse 16
Feeding inlet be connected that (biomass material after drying is sent into transitional storehouse by the first conveyer, and transitional storehouse is arranged, it is ensured that is sent into
The biomass material continuous feeding of more return-stroke biomass solid gas cracking purification furnaces), the discharge port of transitional storehouse 16 is defeated by second
The lower hopper 24 for sending machine and more return-stroke biomass solid gas to crack purification furnace 1 is connected that (biomass material in transitional storehouse is by the
Two conveyers are sent into the lower hopper 24 of more return-stroke biomass solid gas cracking purification furnaces 1)；The gas outlet of drying oven 14 and the
The entrance of one dust pelletizing system is connected.
More return-stroke biomass solid gas cracking purification system further includes crusher, crusher outfeed belt conveyor
(when some biomass materials need broken, using crusher, crusher outfeed belt conveyor)；The discharge port of crusher is by crusher
The biomass material feeding inlet 21 of outfeed belt conveyor and drying oven 14 is connected, and (feeding inlet of crusher outfeed belt conveyor is located at broken
Below the discharge port of machine, or it is connected；The discharge port of crusher outfeed belt conveyor is located at the biomass material feeding inlet of drying oven
21 top, or be connected).
Described more return-stroke biomass solid gas cracking purification system also packet mixing arrangement, the discharge port of transitional storehouse 16 by
The feeding inlet of second conveyor and mixing arrangement be connected (feeding inlet of second conveyor is located at below the discharge port of transitional storehouse 16,
Or it is connected；The discharge port of second conveyor is located at below the feeding inlet of mixing arrangement, or is connected), the discharging of mixing arrangement
Mouth is connected by third conveyer with the lower hopper 24 of more return-stroke biomass solid gas cracking purification furnace 1；Mixing arrangement is equipped with
Mouth is added in additive.The mixing arrangement can be to set an agitating device (existing conventional techniques can be used) in cylinder.
First dust pelletizing system includes cyclone dust collectors 17, pipeline 18, air-introduced machine 19, spray column 20, cyclone dust collectors 17
Entrance is connected with the gas outlet of drying oven 14, and the outlet of cyclone dust collectors 17 is connected by pipeline 18 with the air intake of spray column 20
It is logical (spray column is equipped with discharge outlet, it is pure after gas discharge), pipeline 18 is equipped with air-introduced machine (exhaust fan) 19.
First conveyer, second conveyor, third conveyer (or conveying device), can be used screw conveyor, belt
Conveyer.
The biomass material is that one of rice husk, peanut shell, coconut husk, palm shell, stalk, sawdust etc. or a variety of press are appointed
The mixture for proportion of anticipating.
The additive is one of ferric trichloride, alum stone, mica, dolomite etc. or a variety of mixing by any proportion
Close object.
Biomass material charing cracking is the process being gradually heated up in the environment of an anaerobism, according to biomass material
Difference, heating time and overtemperature are all different.Exhaust-gas treatment is that more return-stroke biomass solid gas are cracked purification furnace
Then the hot gas of interior generation, which recycles to use to drying oven, is discharged into atmosphere after cyclone dust removal, spray column filtering cooling are up to standard.Spray
Tower cooler recirculated water access degradation pond is drenched, cooling-tower circulating water temperature is kept rationally to clean no slag.
The present invention obtained biomass solid combustion gas transport stores convenient and safe, and it is pollution-free that burning is not easy coking discharge,
Keep industrialized production steady in a long-term, operates normally.
1, by way of cracking and the use of additive, effectively eliminate in biomass largely has the present invention
Evil composition (such as: the harmful substances such as wood vinegar, sulfur dioxide), this is the effect that physics mode production fuel is unable to reach,
So the present invention is real clean energy resource.
2, produced by the invention is biomass solid combustion gas, maximum feature be air+biomass solid combustion gas (powder, 60
- 200 mesh of mesh, most preferably 80-150 mesh), become fuel gas { 1m3Biomass solid combustion gas (powder) is according to fuel value needs
60-120m3Gas (air), becomes fuel gas }.Biomass solid combustion gas is powder (without air) when transporting, and safety is steady
It is fixed.It is powder (particle) in transportational process in combustion process as gas, transport storage is very safe.It will be biological when use
Matter solid gas (powder) forms high heating value clean fuel with the efficient mixing ignition of gas in biomass burner.
3, biomass solid combustion gas without oxious component (such as: wood vinegar, etc. harmful substances), contain micro tar, and
A large amount of weak base molecules (such as receive, magnesium, calcium etc.) is rejected, burning is made to be not easy coking in this way；Keep industrialized production steady in a long-term, normally
Operation.
4, the system has the characteristics that low energy consumption, low emission.
Use: produced by the invention is biomass solid combustion gas, maximum feature be air+biomass solid combustion gas (powder,
- 200 mesh of 60 mesh, most preferably 80-150 mesh), become fuel gas { 1m3Biomass solid combustion gas (powder) 60-120m3Gas is (empty
Gas), become fuel gas }.Biomass solid combustion gas is powder (without air), safety when transporting.In combustion process with burning
Natural gas is the same, is powder (particle) in transportational process, and transport storage is very safe.By biomass solid combustion gas (powder when use
End) combine with gas.
Biomass solid combustion gas is not pyroligneous-contained, contains micro tar, and rejects a large amount of weak base molecules and (such as receive, magnesium, calcium
Deng), so that burning is not easy coking in this way；Keep industrialized production steady in a long-term, operates normally.
The calorific value of biomass solid combustion gas promotes 1000kcal or so, and (calorific value of biomass solid combustion gas is 4000-
5800ka, existing is 3300-4200ka), volatile matter is retained in 40% or more.Biomass solid combustion gas is as industrial cleaning
Fuel can use in the various combustion furnace such as boiler, smelting furnace, smelting furnace, drying oven, change instead of diesel oil, natural gas, coal dust etc.
Stone fuel becomes low power consuming, low emission, clean energy resource easy to use.
As shown in Figure 1, a kind of preparation process of more return-stroke biomass cracking carbonization shaped fuels, includes the following steps:
1) prepare more return-stroke biomass solid gas and crack purification system；As described above；
2) it dries: the biomass material that partial size is 5mm-15mm is dried that (biomass material can be used brokenly in drying oven
Broken crusher machine to partial size is 5mm-15mm), the moisture content mass content of the granular material after drying is 10-20%；Drying oven goes out
Gas (by its gas outlet) enters the first dust pelletizing system dedusting and { enters dedusting in cyclone dust collectors, be then pumped into and sprayed by air-introduced machine
It is discharged after spraying in tower }；The waste heat that the heat source of drying oven is generated from more return-stroke biomass solid gas cracking purification furnace 1
(waste hot gas of more return-stroke biomass solid gas cracking purification furnaces 1 exports the gas access phase by Waste Heat Recovery pipe and drying oven
Connection provides the gas with certain temperature to drying oven, saves the energy)；
3) mix: the granular material after drying is conveyed into transitional storehouse 16 by the first conveyer 15, then by second conveyor
It is conveyed into mixing arrangement, mouth is added from the additive on mixing arrangement, additive is added, the additional amount of additive is after drying
Granular material quality 5-10%；Mixing arrangement by after drying granular material and additive be uniformly mixed, obtain mixture
Material；Mixed material is conveyed into the lower hopper of more return-stroke biomass solid gas cracking purification furnaces 1 by third conveyer；
4) more backhaul partial carbonizations: the rotary body of more backhauls of more return-stroke biomass solid gas cracking purification furnaces 1 uses 2
When revolving body, mixed material is sent by screw-feeder in the first passage of the rotary body of more backhauls and is preheated；Then lead to
Cross the first blanking port enter in the second channel on the outside of first passage carry out Pintsch process (Pintsch process temperature be 200-800 DEG C,
Combustor exit temperature is 1200 DEG C or so), hot gas heats mixed material, and the temperature of hot gas is 200-800 DEG C,
Heating time is that (runing time of the mixed material from feeding inlet to discharge port was 5-25 minutes, and mixed material is more in 5-25 minutes
Return-stroke biomass solid gas cracks partial carbonization in purification furnace), partial carbonization material is obtained, partial carbonization material enters spiral by discharge port
Material blanking tube 44 is drained, and the moisture content mass content of partial carbonization material is 0.5-3%；
When the rotary body of more backhauls uses 3 revolving bodies, mixed material is sent into the rotation of more backhauls by screw-feeder
It is preheated in the first passage of body；Entered in the second channel on the outside of first passage by the first blanking port again and preheated again,
Then entering progress Pintsch process in the third channel on the outside of second channel by the second blanking port, (Pintsch process temperature is 200-
800 DEG C, combustor exit temperature is 1200 DEG C or so), hot gas heats mixed material, and the temperature of hot gas is 200-
800 DEG C, heating time is that (runing time of the mixed material from feeding inlet to discharge port was 5-25 minutes, mixture in 5-25 minutes
Material partial carbonization in more return-stroke biomass solid gas cracking purification furnace), partial carbonization material is obtained, partial carbonization material is entered by discharge port
The material blanking tube 44 of spiral is drained, and the moisture content mass content of partial carbonization material is 0.5-3%；
Association simultaneously goes out the burning of combustion chamber 8 that biological cracking gas is recycled to combustor 6, and biomass material leans on the heat source of itself
Drying cracking；
5) gas and water and granule materials that the discharge port of more return-stroke biomass solid gas cracking purification furnaces 1 is run out are by revolving
Air duct 30 (or cracking gas collecting hood) is collected, and carries out gas, material separation by gas-material separator 31, granule materials are fallen through into out
Material mouth；Then gas and water are separated by liquid gas seperator, the gas of liquid gas seperator separation enters combustor by flammable smoke pipe 5
Burner 7 (biomass material itself it is heated after reach certain temperature and can overflow biomass cracking combustible gas, gas componant is
Cracking gas is entered combustion chambers burn by combustible gas after liquid gas seperator by cracking gas collecting hood by methane, hydrogen, oxygen, nitrogen etc.,
Cracking gas can be more and more with the tolerance of going deep into of cracking, in this way can according to chamber temperature promoted it is gradually that combustor is defeated
Power decreases up to shutdown out)；
The waste hot gas that the combustion chamber 8 of combustor 6 generates carries out heat exchange by heat exchanger, subsequently into the heat of drying oven
Gas entrance is connected and (provides the gas with certain temperature to drying oven, save the energy)；Cold water generates after entering heat exchanger
Hot water (carries out heat exchange after cold water entrance, generates hot water, use for worker's bathing etc.)；
Discharge port come out partial carbonization material by spiral material blanking tube 44 outlet flow out, by water-cooling spiral machine (material conveying machine,
Conveying device) 25 feeding grinding machine grindings, obtain the material (most preferably 80-150 mesh) that partial size is 60-200 mesh；60-200 purpose object
Then material is dusted by the second dust pelletizing system, obtain biomass solid combustion gas (being sent into finished room, charging is packaged).
Embodiment 2
As Figure 7-9, substantially the same manner as Example 1, the difference is that: use 3 revolving bodies, third revolving body 46
Outside the second revolving body 32 (third revolving body 46 wraps up the second revolving body 32, and third channel 47 is located at outside second channel 38),
Third channel 47 is equipped in third revolving body 46, the second blanking port 45 is located in third channel 47, and second channel 38 is fallen by second
Material mouth 45 is connected with third channel 47, and third stock guide 48 is equipped in third revolving body 46, and third stock guide 48 tilts backwards
(third stock guide pushes material to move backward)；The rear end of third revolving body 46 is equipped with third blanking port 49.
The third blanking port 49 is connected with the entrance of the material blanking tube 44 of spiral, and 44 spiral winding of material blanking tube of spiral is
On the outer wall of three revolving bodies 46, the material blanking tube 44 of spiral is fixedly connected with third revolving body 46；The lower section of the material blanking tube 44 of spiral
Furnace body be equipped with discharge port 40 (furnace body at discharge port 40 be equipped with annular groove, and annular groove is for accommodating material, discharge port 4
In annular groove；The material of third revolving body 46 is fallen by third blanking port, by 40 row of discharge port after the material blanking tube of spiral
It walks).Discharge port 40 is connected with the entrance of water-cooling spiral machine (material conveying machine, conveying device) 25.
When not using the material blanking tube 44 of spiral, the furnace body of the lower section of third blanking port 49 is equipped with discharge port 40.
Claims (3)
1. the solid gas of return-stroke biomass more than cracks purification furnace, it is characterised in that including furnace body, screw-feeder (22), lower hopper
(24), preceding carrying roller (26), the driven gear (27) of annular, rear carrying roller (28), cyclone cylinder (30), the rotary body of more backhauls, main electricity
Machine (41), Waste Heat Recovery pipe, combustor (6)；The front left side, the right of furnace body are respectively equipped with preceding carrying roller (26), the rear portion of furnace body
The left side, the right are respectively equipped with rear carrying roller (28), and the front of the rotary body of more backhauls is shelved on preceding carrying roller (26), the rotation of more backhauls
The rear portion of swivel is shelved on rear carrying roller (28)；The front outer wall of the rotary body of more backhauls is fixed with the driven gear of annular
(27), main motor (41) is mounted on furnace body, is equipped with driving gear on the output shaft of main motor (41), driving gear with it is driven
Gear (27) is meshed；Screw-feeder (22), lower hopper (24) are respectively and fixedly installed on furnace body, and lower hopper (24) is located at spiral shell
The discharge port of the front upper of precession glassware (2), lower hopper (24) is connected with the feeding inlet of screw-feeder (2), spiral into
The discharge port of glassware (2) is located in the feed inlet of the first revolving body (34) of the rotary body of more backhauls；Hot fume room (50) and combustion
The combustion chamber (8) of burning machine (6) is connected, and hot fume room (50) are mounted on furnace body, and hot fume room (50) are located at the rotation of more backhauls
The outside of swivel；Hot fume room (50) is equipped with waste hot gas outlet (36), and waste hot gas outlet (36) is connected with Waste Heat Recovery pipe；
The rotary body of more backhauls includes 2-3 revolving body, and the second revolving body (32) is located at the first revolving body (34) outside, the second revolution
Body (32) is fixedly connected with the first revolving body (34), is equipped with first passage (35) in the first revolving body (34), the second revolving body
(32) second channel (38) are equipped in, the front end of first passage (35) is feed inlet, and the rear end of first passage (35) is closed end,
The rear end of first revolving body (34) is equipped with the first blanking port (37), and first passage (35) is logical with second by the first blanking port (37)
Road (38) is connected, and the front end of the second revolving body (32) is equipped with the second blanking port；First is equipped in first revolving body (34) to lead
Flitch (33), the first stock guide (33) tilt backwards, and are equipped with the second stock guide (39) in the second revolving body (32), the second stock guide
(39) it turns forward；
When using 2 revolving bodies, the furnace body of the lower section of the second blanking port is equipped with discharge port (40), the furnace body at the second blanking port
It is equipped with annular groove, discharge port (4) is located in annular groove；
When using 3 revolving bodies, third revolving body (46) is located at the second revolving body (32) outside, third revolving body (46) with second time
Swivel (32) is fixedly connected, and is equipped with third channel (47) in third revolving body (46), and the second blanking port (45) is located at third channel
(47) in, second channel (38) is connected by the second blanking port (45) with third channel (47), is equipped in third revolving body (46)
Third stock guide (48), third stock guide (48) tilt backwards；The rear end of third revolving body (46) is equipped with third blanking port (49),
The furnace body of the lower section of third blanking port (49) is equipped with discharge port (40), and the furnace body at third blanking port is equipped with annular groove, out
Material mouth (4) is located in annular groove；
Furnace body above discharge port (40) is equipped with cyclone cylinder (30).
2. more return-stroke biomass solid gas according to claim 1 crack purification furnace, it is characterised in that: the spiral into
Glassware (22) includes cylinder (51), screw feed rod, helical blade, charging motor (23), and the rear end of cylinder is discharge end, cylinder
Nock be equipped with feeding inlet, screw feed rod is equipped with helical blade, and screw feed rod and helical blade be located in cylinder,
Charging motor (23) is located at the front side of cylinder, and the axis of charging motor (23) is connected by shaft coupling with the front end of screw feed rod；
The rear end of cylinder is inserted into the feed inlet of the first revolving body (34) of the rotary body of more backhauls；Cylinder, charging motor (23) are fixed
It is mounted on furnace body.
3. more return-stroke biomass solid gas according to claim 1 crack purification furnace, it is characterised in that: more backhauls
Biomass solid combustion gas cracking purification furnace further include can burning smoke recovery tube (2), cyclone dust collectors (3), can burning smoke air-introduced machine (4),
Flammable smoke pipe (5)；Can one end of burning smoke recovery tube (2) be connected with the cyclone cylinder (30) on furnace body, can burning smoke recovery tube (2)
The other end is connected with the entrance of cyclone dust collectors (3), and the outlet of cyclone dust collectors (3) is by flammable smoke pipe (5) and combustor (6)
Burner (7) be connected, flammable smoke pipe (5) be equipped with can burning smoke air-introduced machine (4).
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| CN201910395408.6A CN110093189A (en) | 2019-05-14 | 2019-05-14 | More return-stroke biomass solid gas crack purification furnace |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108148605A (en) * | 2016-12-02 | 2018-06-12 | 农业部规划设计研究院 | A kind of composition heating type biomass continuous step pyrolytic carbon gas coproduction system |
| CN109321263A (en) * | 2018-10-31 | 2019-02-12 | 阔阳（湖北）环保节能科技有限公司 | The preparation process of biomass solid combustion gas |
| CN209957719U (en) * | 2019-05-14 | 2020-01-17 | 阔阳（湖北）环保节能科技有限公司 | Multi-return-stroke biomass solid gas cracking and purifying furnace |
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2019
- 2019-05-14 CN CN201910395408.6A patent/CN110093189A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108148605A (en) * | 2016-12-02 | 2018-06-12 | 农业部规划设计研究院 | A kind of composition heating type biomass continuous step pyrolytic carbon gas coproduction system |
| CN109321263A (en) * | 2018-10-31 | 2019-02-12 | 阔阳（湖北）环保节能科技有限公司 | The preparation process of biomass solid combustion gas |
| CN209957719U (en) * | 2019-05-14 | 2020-01-17 | 阔阳（湖北）环保节能科技有限公司 | Multi-return-stroke biomass solid gas cracking and purifying furnace |
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