CN106398731A - High-efficiency tunnel-type intermittent pyrolysis furnace - Google Patents
High-efficiency tunnel-type intermittent pyrolysis furnace Download PDFInfo
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- CN106398731A CN106398731A CN201611052716.1A CN201611052716A CN106398731A CN 106398731 A CN106398731 A CN 106398731A CN 201611052716 A CN201611052716 A CN 201611052716A CN 106398731 A CN106398731 A CN 106398731A
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 125
- 238000001816 cooling Methods 0.000 claims abstract description 63
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000001035 drying Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 230000007246 mechanism Effects 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000000112 cooling gas Substances 0.000 claims description 13
- 239000003546 flue gas Substances 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000011449 brick Substances 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 239000000110 cooling liquid Substances 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 5
- 229910052895 riebeckite Inorganic materials 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims 1
- 238000003032 molecular docking Methods 0.000 claims 1
- 239000000779 smoke Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 14
- 239000002028 Biomass Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000003610 charcoal Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000011017 operating method Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- -1 house refuse Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B45/00—Other details
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
- C10B47/02—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion with stationary charge
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
- C10B47/28—Other processes
- C10B47/32—Other processes in ovens with mechanical conveying means
- C10B47/46—Other processes in ovens with mechanical conveying means with trucks, containers, or trays
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a high-efficiency tunnel-type intermittent pyrolysis furnace. The high-efficiency tunnel-type intermittent pyrolysis furnace comprises a tunnel-type furnace body, wherein the furnace body is divided into a drying area, a pyrolysis area and a cooling area; a reticular furnace frame is arranged in the furnace body; sealing doors which can fully isolate the pyrolysis area into a closed chamber are arranged at a boundary between the drying area and the pyrolysis area and a boundary between the pyrolysis area and the cooling area; a burning chamber is connected onto the furnace body in the pyrolysis area, a smoke outlet is formed in the furnace body in the pyrolysis area, a plurality of fire tubes are arranged on the inner wall of the furnace body in the pyrolysis area and the top of the inner chamber of the furnace body, an inlet of each fire tube is communicated with the burning chamber and an outlet of each fire tube is communicated with the smoke outlet. Since the fire tubes are arranged in the furnace, pyrolysis gas is prevented from entering the furnace and influencing the working of a burner, the working pressure of the burner can be guaranteed to be normal and the furnace temperature can be guaranteed to increase and decrease according to the needs. Moreover, cumbersome steps of opening and closing movable guide rails are omitted, the manpower is saved and the operation is simpler. An ejector rod with cooling guarantees that the sealing doors can be tightly pressed without causing failure and thereby the sealing performance is guaranteed.
Description
Technical field
The invention belongs to biomass fuel thermal decomposition equipment, the interrupted pyrolysis oven of specifically related to a kind of efficient tunnel type.
Background technology
I takes charge of the interrupted pyrolysis oven of first generation tunnel type biomass of exploitation（Number of patent application 201610131973.8）, heating
Mode is internal heating type, and that is, flue gas is directly contacted with biomass.Although pyrolysis efficiency high, low cost of manufacture, actually used
During also there is following defect：
1. the job insecurity of combustor, being continuously increased with pyrolysis gas, furnace pressure increases therewith, and combustor can not be normal
Work, furnace temperature does not rise, and affects yield.
2. pyrolysis gas are many containing nitrogen, and calorific value is low, and value is low.
3. design movable guiding rail during practical operation, complex operation step, waste of manpower and time.
4. hydraulic mandril can not be high temperature resistant, and in the stove of continuous high temperature, its effect was lost efficacy, and sealing cannot be guaranteed.
5. pulling netted stove dynamic mode of frameing shift using steel loop needs manually to operate in high temperature environments, and hook steel loop
Complex steps, safety and convenience are poor.
6. carry the kiln car of heat-insulation layer, amount of stored heat is big, heating needs to consume the substantial amounts of energy, cooling is same to consume the energy,
And take heat time heating time, take cool time, reduce yield.
Content of the invention
For the problems referred to above, the present invention is intended to provide a kind of ensure that in-furnace temperature, easy and simple to handle, good airproof performance height
The effect interrupted pyrolysis oven of tunnel type.
The technical scheme of solve problem of the present invention is：A kind of interrupted pyrolysis oven of efficient tunnel type, including tunnel type furnace body, stove
Body is divided into baking zone, pyrolysis zone, cooling zone, is provided with the removable netted stove frame for loading material to be heated in body of heater；
The body of heater of described baking zone is provided with hot-wind inlet and dampness outlet, and the porch of baking zone is provided with baking zone door, dries
Dry area is provided with the netted stove of driving outdoors and frames shift dynamic drive mechanism；
The body of heater both sides of described cooling zone are provided with cooling gas import and cooling gas outlet, and the exit of cooling zone is provided with cooling
Qu Men；
Described baking zone and the intersection of pyrolysis zone, and the intersection of pyrolysis zone and cooling zone be provided with can be complete by pyrolysis zone
Completely cut off into the hermatic door of closed cavity；
Combuster is connected, pyrolysis zone body of heater is provided with exhaust opening, in pyrolysis zone inboard wall of furnace body and body of heater on the body of heater of described pyrolysis zone
Inner cavity top is placed with many fire tubes, the entrance of each fire tube and combustion chamber, the outlet of each fire tube and exhaust opening
Connection.
In such scheme, high-temperature flue gas are not directly contacted with material to be heated, but are passed through fire tube, by fire tube to treating
Heating material provides heat.So avoiding in pyrolysis gas entrance stove affects the work of combustor, ensure that combustor
Operating pressure normal it is ensured that furnace temperature can lift on demand.
Further, described pyrolysis zone body of heater include hollow shell, along outer casing inner wall laying insulating brick, described fire tube with
Insulating brick is fixedly connected；
On described outer shell outer wall, interval is fixed with multiple blower fans, and the blade of described blower fan passes through shell and insulating brick and stretches into close
Outside fire tube.
In such scheme, design blower fan is used for stirring the heat that fire tube comes out, and forces pyrolysis gas to be changed with fire tube
Heat, improves pyrolysis efficiency.
Further, described pyrolysis zone body of heater both sides inwall is respectively separated and is provided with spoiler, and the spoiler of opposite sides
Arranged in a crossed manner so that high-temperature flue gas encounter spoiler obstruction formed dog leg path flowing.
It is in that broken line advances that the design of spoiler can guide high-temperature flue gas, and pyrolysis gas temperature is gradually lowered.So have successively
Fully being contacted with material to be heated of sequence, is reacted fully, energy consumption is lower, and thermal loss is little.
Further, described body of heater inner bottom part is covered with guide rail, and netted stove frame is arranged on guide rail, and netted stove frame bottom is provided with
At least four pairs wheels, wheel support is on guide rail；
Described baking zone and the intersection of pyrolysis zone, and the guide rail disconnection of the intersection of pyrolysis zone and cooling zone, it disconnects
Width is more than the thickness of hermatic door；
The distance between two adjacent wheels of described netted stove frame are more than the width that guide rail disconnects.
In such scheme, the purpose that guide rail is disconnected is able to accommodating hermatic door so as to smooth sealing puts in place.In net
Shape stove frame bottom designs the part that multipair wheel is to ensure that netted stove frame can smoothly disconnect across guide rail, and is unlikely to turn over
Fall.And, this be designed to, so that netted stove is frameed shift dynamic rapid, save manpower, simple to operate.
Further,
Also include being arranged in pyrolysis zone and be used for dragging the dragging mechanism that netted stove frame moves horizontally, this dragging mechanism is included in stove
The second hoist being located at the pulling vehicle below guide rail in vivo and being located at the achievable rotating outside body of heater, second hoist
It is connected with pulling vehicle by pulling rope；
Described dragging roof is hinged with baffle plate, is connected with spring, on front side of baffle plate between this baffle plate trailing flank and pulling vehicle car body
Face is connected with the first dragging rope, and described first dragging rope is bypassed pulley assembly and is connected with second hoist；Described baffle plate is erect
Height after getting up is more than the height of netted stove frame axletree place plane；
Described pulling vehicle rear end is connected with the second dragging rope, and described second dragging rope is bypassed pulley assembly and connected with second hoist
Connect；
Have the flashback tank filling water on ground, described first pulls rope and second pulls rope and be located at and be partly embedded into ground outside body of heater
Down and through flashback tank, outside the first dragging rope and the second dragging buried ran of rope, it is set with sleeve pipe；
Sleeve pipe between body of heater and flashback tank, one end extends to is docked with body of heater, in other end insertion flashback tank；Positioned at
Sleeve pipe between two hoist engines and flashback tank, in one end insertion flashback tank, the other end is connected with second hoist；
Described dragging mechanism is provided with two sets, a set of be arranged at cooling zone, another set of be arranged at baking zone, and be located at dragging of baking zone
Drag mechanism and the dragging mechanism specular setting positioned at cooling zone.
Design pulls mechanism and can easily drag netted stove frame, and its work process is, under normal condition, baffle plate receives bullet
The pulling force of spring is in state of falling, and when needing to promote netted stove frame to advance, starts second hoist and rotates forward, and first pulls rope pulls
Baffle plate is in vertical state and drags pulling vehicle forward movement, and in moving process, baffle plate can withstand the axletree of netted stove frame, and drives
Netted stove frame moves together.
When pulling vehicle needs to retreat, start second hoist reversion, baffle plate fell, after the second dragging rope pulls pulling vehicle
Move back.
It is in a set of purpose pulling mechanism of baking zone setting, when needing to close hermatic door, if netted stove frame
It is located just at intersection, blocks putting down of hermatic door, can be utilized dragging mechanism so that netted stove frame is retreated, vacate the sky of hermatic door
Between.
Further, described hermatic door includes being fixedly connected with body of heater and the carrying casing with body of heater inner space；
Fire door is installed in cabinets cavity, on fire door, the side near pyrolysis zone is fixed with sealing frame, this sealing frame is closed for sheet material
Enclose the box-structure of formation, completely unlimited near the side of pyrolysis zone；Casing on the inwall of pyrolysis zone side with sealing frame
Corresponding position is provided with seal groove, is provided with high-temperature fibre pad in seal groove, and sealing frame can be inserted into and forms sealing knot in seal groove
Structure；
It is provided with spring between the cabinet wall and fire door of pyrolysis zone side, the fire door side away from pyrolysis zone is provided with reciprocally
The push rod of movement, push rod extends to outside casing；Contact site between push rod and casing is filled with asbestos cord；
Also include the furnacing door lifting mechanism that fire door is lifted up and down.
In such scheme, casing is the support carrier that each structural member is installed.The effect of fire door is by pyrolysis zone and baking
Dry area, cooling zone is completely isolated comes, and the structure of sealing frame and seal groove cooperation is to ensure that the air-tightness of pyrolysis zone.Spring and top
Fire door, so that fire door moves axially along body of heater, is held out against when closing fire door, spring is pressed by the cooperation of linkage by push rod
Contracting, opens and unclamps push rod during fire door, fire door is flicked by elastic force by spring.The effect of asbestos cord is to prevent gas leakage.
Further, on described casing, the side near pyrolysis zone is provided with cooling water set, and water jacket is provided with water jacket water inlet
Mouth and water jacket outlet；
Described fire door is hollow chamber structure, and fire door top is provided with water inlet pipe and outlet pipe, under water inlet pipe to insertion fire door hollow cavity
Portion, casing top is provided with admitting pipe joint and titting water outlet, water inlet pipe and admitting pipe joint, outlet pipe and titting water outlet it
Between respectively pass through soft pipe connection；
The position that the intracavity of described sealing frame is close to fire door is provided with high-temperature resistant fiber layer；
Described furnacing door lifting mechanism includes first hoist, is fixed on the first water tank of casing side, and first hoist is passed through to wear
The steel wire rope crossing box body wall is connected with fire door top, is socketed with pipeline at the perforation of steel wire rope and box body wall, this pipeline one end with
Box body wall is fixed and is connected with cabinets cavity, and the other end submerges in the first water tank, and steel wire rope passes through in pipeline.
In such scheme, design water jacket is the intersection in order to cool down pyrolysis zone and baking zone, cooling zone；Hollow cavity fire door
Recirculated water be designed to cool down fire door；The effect of high-temperature resistant fiber layer is heat-insulated, and the heat of fire door is passed in isolation pyrolysis zone.
Design pipeline and the first water tank can form water seal it is therefore intended that ensureing the air-tightness of casing connecting with body of heater,
Prevent outside air from entering body of heater by casing.
Further, the cooling rod that described push rod includes hydraulic stem and is fixed on hydraulic stem front end, described cooling rod bag
Include the body of rod, the closed circuit opening up in the body of rod, the cooling liquid inlet being arranged on the body of rod and connecting with closed circuit and cooling
Liquid exports.
Because hydraulic stem typically can not be high temperature resistant, in its front end, setting cooling rod ensure that hydraulic stem normal work is not lost
Effect, thus ensure the sealing of hermatic door.
Preferably, described combustor is located at that one end on the body of heater of pyrolysis zone near cooling zone, and described exhaust opening is located at
That one end near baking zone.
Preferably, described tunnel type furnace body cross section is rectangle or circle.
The pyrolysis oven work process of the present invention is：
（a）Open baking zone door, cooling zone door and two hermatic doors；By multiple successively against be filled with material to be heated
Removable netted stove frame push in body of heater at baking zone door, may move after netted stove frame is booked pyrolysis zone successively, close heat
Two hermatic doors of Xie Qu.
Close hermatic door operating procedure be：
Open first hoist slowly to put down fire door, with push rod, fire door is pushed away towards the direction of pyrolysis zone, spring is compressed, sealing
In frame insertion seal groove.
（b）The removable netted stove frame being again pushed into being filled with material to be heated is booked baking zone, closes baking zone afterwards
Door, hot blast is passed through baking zone from hot-wind inlet and material to be heated is dried, and dampness is discharged from dampness outlet.
（c）Close cooling zone door.
（d）For different materials to be heated（Biomass, house refuse, mineral and metal etc.）, as the case may be
Adjust the indoor temperature of burning so as to maintain design temperature (300 DEG C～1200 DEG C can be maintained as the case may be）, combustor
Interior high-temperature flue gas are entered fire tube and are stirred by blower fan, force pyrolysis gas and fire tube to carry out heat exchange.It is then subjected to spoiler
Guiding, advance in broken line, until discharging from exhaust opening, so orderly successively fully contact with material to be heated, make to be added
Hot material, in the abundant pyrolytic reaction in pyrolysis zone, stops conveying high-temperature flue gas after reaching the stipulated time.
（e）Open two hermatic doors of pyrolysis zone, start drive mechanism, by the material to be heated of drying in baking zone
Push pyrolysis zone, simultaneously, the netted stove frame of the equal number being pyrolyzed is taken advantage of a situation and ejected pyrolysis zone, hence into cold
But area.
The process opening hermatic door is step（a）The middle inverse process closing hermatic door.
（f）Start second hoist, drag netted stove frame using pulling vehicle, by the netted stove frame in cooling zone to cooling zone
Way out moves a segment distance（This distance can freely be put down by hermatic door and be defined）, close two sealed doors.
（g）The removable netted stove frame being again pushed into being filled with material to be heated is booked baking zone, closes baking zone afterwards
Door.Simultaneously, it is passed through cooling gas medium from cooling gas import（Can use carbon dioxide below 600 DEG C, higher than 600 DEG C
Available nitrogen）, the gas after cooling exports from cooling gas discharges.In this course, also having of simultaneously carrying out continues from combustion
The fire tube burning room toward pyrolysis zone is passed through high-temperature flue gas and carries out pyrolytic reaction.
（h）After the completion of cooling, open cooling zone door, the netted stove frame in cooling zone is dragged to outer by startup second hoist
Face.Treat that pyrolysis zone reaction completes, repeat step（e）~（h）The operation carrying out drying, be pyrolyzed, cool down can constantly be circulated.
The remarkable result of the present invention is：
1. layout fire tube in stove, high-temperature flue gas are not directly contacted with material to be heated, but are passed through fire tube, by fire tube to
Material to be heated provides heat.So avoiding in pyrolysis gas entrance stove affects the work of combustor, ensure that burning
The operating pressure of machine is normally it is ensured that furnace temperature can lift on demand.
2. design blower fan is used for stirring the heat that fire tube comes out, and forces pyrolysis gas and fire tube heat exchange, improves pyrolysis effect
Rate.
3. cancel movable guiding rail, netted stove frame is improved it is ensured that netted stove frame can be smoothly across guide rail disconnection
Part, and be unlikely to overturn.Netted stove is frameed shift dynamic rapid, eliminates the tedious steps of folding movable guiding rail, save manpower,
Operation is simpler.
4. the push rod with cooling facility guarantees top tight sealing door and did not lost efficacy it is ensured that sealing.
5. the ash of the charcoal obtaining is few, is heated using fire tube mode, and whole pyrolysis zone is in the environment of an anaerobic, no longer
Oxygen combustion material to be heated is had to produce ash.
6. clean pyrolysis gas burning will not produce carbon deposit, and long-term holding fire tube is clean.
7. pull the use of mechanism, the mode of the steel loop hook before improving is it is not necessary to workman enters in high temperature environments
Row operation, safe, operating procedure is simple and convenient.
Brief description
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is pyrolysis oven front view of the present invention.
Fig. 2 is pyrolysis oven top view of the present invention.
Fig. 3 is B-B view in Fig. 2.
Fig. 4 is A-A view in Fig. 2.
Fig. 5 is C-C view in Fig. 2.
Fig. 6 is seal door structure front view.
Fig. 7 is push rod structure schematic diagram.
Fig. 8 is push rod partial enlarged drawing.
Fig. 9 is guide rail top view.
Figure 10 is to pull mechanism's enlarged drawing.
In figure：1- baking zone, 2- pyrolysis zone, 3- cooling zone, 4- body of heater, 5- netted stove frame, 6- hermatic door, 7- guide rail, 10-
Second hoist, 11- hot-wind inlet, 12- dampness outlet, 13- baking zone door, 14- piston cylinder, 15- fire tube, 16- blower fan,
21- spoiler, 22- combustor, 23- exhaust opening, 27- pulling vehicle, 28- baffle plate, 29- spring, 30- first pulls rope, and 31- is cold
But gas feed, 32- cooling gas export, 33- cooling zone door, 36- flashback tank, 37- sleeve pipe, 41- insulating brick, 42- shell,
51- pulley assembly, 52- second pulls rope, 61- casing, 62- fire door, 63- sealing frame, 64- seal groove, 65- high-temperature fibre
Pad, 66- spring, 67- push rod, 68- asbestos cord, 69- water jacket, 70- high-temperature resistant fiber layer, 71- first hoist, 72- first water
Case, 73- steel wire rope, 74- pipeline, 81- axletree, 83- wheel, 621- water inlet pipe, 622- admitting pipe joint, 623- flexible pipe,
671- hydraulic stem, 672- cooling rod, the 673- body of rod, 674- closed circuit, 675- cooling liquid inlet, 676- cooling liquid outlet,
691- water jacket water inlet, 692- water jacket outlet.
Specific embodiment
As shown in Fig. 1～10, a kind of interrupted pyrolysis oven of efficient tunnel type, including tunnel type furnace body 4, body of heater 4 is divided into drying
Area 1, pyrolysis zone 2, cooling zone 3.Described body of heater 4 cross section is rectangle or circle.
Described body of heater 4 inner bottom part is covered with guide rail 7, and guide rail 7 is provided with the netted stove frame 5 for loading material to be heated,
Netted stove frame 5 bottom is provided with least four pairs wheels 83, and wheel 83 is bearing on guide rail 7.
Described baking zone 1 and the intersection of pyrolysis zone 2, and the guide rail 7 of the intersection of pyrolysis zone 2 and cooling zone 3 disconnects,
The width that it disconnects is more than the thickness of hermatic door.
The distance between two adjacent wheels 83 of described netted stove frame 5 are more than the width that guide rail 7 disconnects.
The body of heater of described baking zone 1 is provided with hot-wind inlet 11 and dampness outlet 12, and the porch of baking zone 1 is provided with baking
Dry area door 13, baking zone door 13 is externally provided with the drive mechanism driving the movement of netted stove frame 5, and described drive mechanism is preferably piston cylinder
14.
The body of heater of described cooling zone 3 is respectively provided on two sides with cooling gas import 31 and cooling gas outlet 32, cooling zone 3
Exit is provided with cooling zone door 33.
Described baking zone 1 and the intersection of pyrolysis zone 2, and the intersection of pyrolysis zone 2 and cooling zone 3 be provided with can be by heat
Solution area 2 completely cuts off into the hermatic door 6 of closed cavity completely.
Combuster 22 is connected on the body of heater of described pyrolysis zone 2, pyrolysis zone 2 body of heater is provided with exhaust opening 23.Described combustor 22
Near that one end of cooling zone 3 on the body of heater of pyrolysis zone 2, described exhaust opening 23 is located at that one end near baking zone 1.
It is placed with many fire tubes 15, the entrance of each fire tube 15 in pyrolysis zone 2 body of heater 4 inwall and body of heater 4 inner cavity top
Connect with combustor 22, the outlet of each fire tube 15 is connected with exhaust opening 23.
Described pyrolysis zone 2 body of heater includes hollow shell 42, the insulating brick 41 along the laying of shell 42 inwall, described fire tube 15 with
Insulating brick 41 is fixedly connected.On described shell 42 outer wall, interval is fixed with multiple blower fans 16, and the blade of described blower fan 16 passes through outward
Shell 42 and insulating brick 41 simultaneously stretch into outside fire tube 15.
Described pyrolysis zone 2 body of heater both sides inwall is respectively separated and is provided with spoiler 21, and the spoiler 21 of opposite sides intersects
Setting is so that the obstruction that high-temperature flue gas encounter spoiler 21 forms dog leg path flowing.
Also include being arranged at for dragging the dragging mechanism that netted stove frame 5 moves horizontally in pyrolysis zone 2, this dragging mechanism wraps
Include the pulling vehicle 27 being located in body of heater 4 below guide rail 7 and the second hoist of the achievable rotating being located at outside body of heater 4
10, second hoist 10 is passed through dragging rope and is connected with pulling vehicle 27.
Described pulling vehicle 27 top is hinged with baffle plate 28, is connected with bullet between this baffle plate 28 trailing flank and pulling vehicle 27 car body
Spring 29, baffle plate 28 leading flank is connected with the first dragging rope 30, and described first pulls rope 30 bypasses pulley assembly 51 and volume Two
Raise machine 10 to connect.Described baffle plate 28 erect after height be more than netted stove frame 5 axletree 81 place plane height.
Described pulling vehicle 27 rear end is connected with the second dragging rope 52, described second pull rope 52 bypass pulley assembly 51 and with
Second hoist 10 connects.
Have the flashback tank 36 filling water on ground, described first pulls rope 30 and second pulls rope 52 outside body of heater 4
Be partly embedded into underground and pass through flashback tank 36, first pull rope 30 and second pull rope 52 buried rans outside be set with
Sleeve pipe 37.
Sleeve pipe 37 between body of heater 4 and flashback tank 36, one end extends to is docked with body of heater 4, and the other end inserts water seal
In case 36.Sleeve pipe 37 between second hoist 10 and flashback tank 36, in one end insertion flashback tank 36, the other end and second
Hoist engine 10 connects.
Described dragging mechanism is provided with two sets, a set of be arranged at cooling zone 3, another set of be arranged at baking zone 1, and be located at and dry
Area 1 pulls mechanism and the dragging mechanism specular setting positioned at cooling zone 3.
Described hermatic door 6 includes being fixedly connected with body of heater 4 and the carrying casing 61 with body of heater inner space.
Fire door 62 is installed in casing 61 inner chamber, on fire door 62, the side near pyrolysis zone 2 is fixed with sealing frame 63, and this is close
Envelope frame 63 surrounds the box-structure of formation for sheet material, completely unlimited near the side of pyrolysis zone 2.Casing 61 is near pyrolysis zone 2 one
On the inwall of side, position corresponding with sealing frame 63 is provided with seal groove 64, is provided with high-temperature fibre pad 65 in seal groove 64, sealing
Frame 63 can be inserted into and forms sealing structure in seal groove 64；
It is provided with spring 66 between casing 61 inwall and fire door 62 of pyrolysis zone 2 side, away from fire door 62 side of pyrolysis zone 2
It is provided with the push rod 67 being reciprocally moveable, push rod 67 extends to outside casing 61.
The cooling rod 672 that described push rod 67 includes hydraulic stem 671 and is fixed on hydraulic stem 671 front end, described cooling rod
672 are included the body of rod 673, the closed circuit 674 opening up in the body of rod 673, are arranged on the body of rod 673 and are connected with closed circuit 674
Logical cooling liquid inlet 675 and cooling liquid outlet 676.
Contact site between push rod 67 and casing 61 is filled with asbestos cord 68.
On described casing 61, the side near pyrolysis zone 2 is provided with cooling water set 69, and water jacket 69 is provided with water jacket water inlet
691 and water jacket outlet 692；
Described fire door 62 is hollow chamber structure, and fire door 62 top is provided with water inlet pipe 621 and outlet pipe, and water inlet pipe 621 is to insertion stove
Door 62 hollow cavity bottoms, casing 61 top is provided with admitting pipe joint 622 and titting water outlet, water inlet pipe 621 and admitting pipe joint
622nd, connected by flexible pipe 623 respectively between outlet pipe and titting water outlet；
The position that the intracavity of described sealing frame 63 is close to fire door 62 is provided with high-temperature resistant fiber layer 70.
Also include the furnacing door lifting mechanism that fire door is lifted about 62.Described furnacing door lifting mechanism includes first hoist
71st, it is fixed on the first water tank 72 of casing 61 side, first hoist 71 is by through the steel wire rope 73 of box body wall and fire door 62
Top connects, and is socketed with pipeline 74 at steel wire rope 73 and the perforation of box body wall, and this pipeline 74 one end is fixed with box body wall and and case
Body 61 inner space, the other end submerges in the first water tank 72, and steel wire rope 73 passes through in pipeline 74.
When this pyrolysis oven is the state of cooling, a kind of method being produced with charcoal（The patent No.：
ZL201210547343.0）The Linesless charcoal bar stock material producing is sent in the pyrolysis oven of the present invention for raw material and is produced.This blank
It is to carry out the Linesless charcoal after low temperature pyrogenation with biomass, after pulverizing, add binding agent, the high density Linesless charcoal rod of extrusion molding.
In a kind of pyrolysis furnace structure of concrete form, design 16 netted stove frames 5 altogether, wherein, pyrolysis zone 20 two,
Cooling zone 3 two, baking zone 1 two.
This pyrolysis oven work process is：
（a）Open baking zone door 13, cooling zone door 33 and two hermatic doors 6.By 12 successively against be filled with biology
The removable netted stove frame 5 of matter pushes in body of heater 4 at baking zone door 13, after netted stove frame 5 is booked pyrolysis zone 2 successively, closes
Two hermatic doors 6 of pyrolysis zone 2.
Close hermatic door 6 operating procedure be：
Open first hoist 71 slowly to put down fire door 62, with push rod 67, fire door 62 is pushed away towards the direction of pyrolysis zone 2, spring 66
Compressed, in sealing frame 63 insertion seal groove 64.
（b）It is again pushed into two removable netted stove frames being filled with biomass and is booked baking zone 1, close baking zone afterwards
Door 13, hot blast is passed through baking zone 1 from hot-wind inlet 11, and biomass are dried, and dampness is discharged from dampness outlet 12.
（c）Close cooling zone door 33.
（d）For different biomass, adjust the temperature in combustor 22 as the case may be so as to maintain design temperature
(400 DEG C～1200 DEG C can be maintained as the case may be）, high-temperature flue gas in combustor 22 enter fire tube 15 and by blower fan
16 stirrings, force pyrolysis gas and fire tube to carry out heat exchange.It is then subjected to the guiding of spoiler 21, advance in broken line, until from row
Mouth 23 is discharged, so orderly successively fully contact with biomass, make biomass in the abundant pyrolytic reaction in pyrolysis zone, reach rule
Stop conveying high-temperature flue gas after fixing time.
（e）Open two hermatic doors 6 of pyrolysis zone 2, start piston cylinder 14, by two nets of drying in baking zone 1
Shape stove frame 5 pushes pyrolysis zone 2, and simultaneously, two netted stove frames 5 being pyrolyzed are taken advantage of a situation and ejected pyrolysis zone 2, thus entering
Enter cooling zone 3.
The process opening hermatic door is step（a）The middle inverse process closing hermatic door.
（f）Start second hoist 10, using pulling vehicle drag netted stove frame 5, by the netted stove frame 5 in cooling zone 3 to
Cooling zone Way out moves a segment distance（This distance can freely be put down by hermatic door and be defined）, close two sealed doors 6.
（g）Two netted stove frames 5 being again pushed into being filled with biomass are booked baking zone 1, close baking zone door 13 afterwards.
Simultaneously, it is passed through cooling gas medium from cooling gas import 31（Can use carbon dioxide below 600 DEG C, can higher than 600 DEG C
Use nitrogen）, the gas after cooling is from cooling gas outlet 32 discharge.In this course, also having of simultaneously carrying out continues from combustion
The fire tube 15 burning room 22 toward pyrolysis zone 2 is passed through high-temperature flue gas and carries out pyrolytic reaction.
（h）After the completion of cooling, open cooling zone door 33, start second hoist 10 by two netted stoves in cooling zone 3
Frame 5 is dragged to outside.Treat that pyrolysis zone 2 reaction completes, repeat step（e）~（h）Can constantly circulate and carry out drying, be pyrolyzed, cool down
Operation.
Claims (10)
1. the interrupted pyrolysis oven of a kind of efficient tunnel type, including tunnel type furnace body（4）, body of heater（4）It is divided into baking zone（1）, pyrolysis zone
（2）, cooling zone（3）, body of heater（4）Inside it is provided with the removable netted stove frame for loading material to be heated（5）；
Described baking zone（1）Body of heater be provided with hot-wind inlet（11）With dampness outlet（12）, baking zone（1）Porch set
There is baking zone door（13）, baking zone door（13）It is externally provided with the netted stove frame of driving（5）The drive mechanism of movement；
Described cooling zone（3）Body of heater both sides be provided with cooling gas import（31）With cooling gas outlet（32）, cooling zone（3）'s
Exit is provided with cooling zone door（33）；
Described baking zone（1）And pyrolysis zone（2）Intersection, and pyrolysis zone（2）And cooling zone（3）Intersection be provided with can
By pyrolysis zone（2）Completely cut off into the hermatic door of closed cavity completely（6）；
Described pyrolysis zone（2）Combuster is connected on body of heater（22）, pyrolysis zone（2）Body of heater is provided with exhaust opening（23）, its feature exists
In：In pyrolysis zone（2）Body of heater（4）Inwall and body of heater（4）Inner cavity top is placed with many fire tubes（15）, each fire tube（15）'s
Entrance and combustor（22）Connection, each fire tube（15）Outlet and exhaust opening（23）Connection.
2. the interrupted pyrolysis oven of efficient tunnel type according to claim 1 it is characterised in that：Described pyrolysis zone（2）Body of heater bag
Include hollow shell（42）, along shell（42）The insulating brick of inwall laying（41）, described fire tube（15）With insulating brick（41）The company of fixation
Connect；
Described shell（42）On outer wall, interval is fixed with multiple blower fans（16）, described blower fan（16）Blade pass through shell（42）With
Insulating brick（41）And stretch near fire tube（15）Outside.
3. the interrupted pyrolysis oven of efficient tunnel type according to claim 1 it is characterised in that：Described pyrolysis zone（2）Body of heater two
Side inwall is respectively separated and is provided with spoiler（21）, and the spoiler of opposite sides（21）Arranged in a crossed manner so that high-temperature flue gas are encountered
Spoiler（21）Obstruction formed dog leg path flowing.
4. the interrupted pyrolysis oven of efficient tunnel type according to claim 1 it is characterised in that：Described body of heater（4）Inner bottom part spreads
There is guide rail（7）, netted stove frame（5）It is arranged on guide rail（7）On, netted stove frame（5）Bottom is provided with least four pairs wheels（83）, wheel
（83）It is bearing in guide rail（7）On；
Described baking zone（1）And pyrolysis zone（2）Intersection, and pyrolysis zone（2）And cooling zone（3）Intersection guide rail
（7）Disconnect, the width that it disconnects is more than the thickness of hermatic door；
Described netted stove frame（5）Two adjacent wheels（83）The distance between be more than guide rail（7）The width disconnecting.
5. the interrupted pyrolysis oven of efficient tunnel type according to claim 4 it is characterised in that：Also include being arranged at pyrolysis zone
（2）Interior for dragging netted stove frame（5）The dragging mechanism moving horizontally, this dragging mechanism is included in body of heater（4）Interior positioned at guide rail
（7）The pulling vehicle of lower section（27）, and be located at body of heater（4）The second hoist of outer achievable rotating（10）, the second elevator
Machine（10）Restricted and pulling vehicle by pulling（27）Connect；
Described pulling vehicle（27）Top is hinged with baffle plate（28）, this baffle plate（28）Trailing flank and pulling vehicle（27）Connect between car body
There is spring（29）, baffle plate（28）Leading flank is connected with the first dragging rope（30）, described first pulls rope（30）Bypass pulley assembly
（51）And and second hoist（10）Connect；Described baffle plate（28）Height after erecting is more than netted stove frame（5）Axletree
（81）The height of place plane；
Described pulling vehicle（27）Rear end is connected with the second dragging rope（52）, described second pulls rope（52）Bypass pulley assembly（51）
And and second hoist（10）Connect；
Have the flashback tank filling water on ground（36）, described first pulls rope（30）Pull rope with second（52）Positioned at body of heater
（4）Outer is partly embedded into underground and passes through flashback tank（36）, first pulls rope（30）Pull rope with second（52）Buried
It is set with sleeve pipe outside ran（37）；
Positioned at body of heater（4）With flashback tank（36）Between sleeve pipe（37）, one end extends to and body of heater（4）Docking, the other end inserts
Flashback tank（36）In；Positioned at second hoist（10）With flashback tank（36）Between sleeve pipe（37）, flashback tank is inserted in one end（36）
In, the other end and second hoist（10）Connect；
Described dragging mechanism is provided with two sets, a set of is arranged at cooling zone（3）, another set of it is arranged at baking zone（1）, and it is located at drying
Area（1）Dragging mechanism with positioned at cooling zone（3）The setting of dragging mechanism specular.
6. the interrupted pyrolysis oven of efficient tunnel type according to claim 1 it is characterised in that：Described hermatic door（6）Including with
Body of heater（4）It is fixedly connected and the carrying casing with body of heater inner space（61）；
Casing（61）Fire door is installed in inner chamber（62）, fire door（62）Upper close pyrolysis zone（2）Side be fixed with sealing frame
（63）, this sealing frame（63）Surround the box-structure of formation for sheet material, near pyrolysis zone（2）Side completely unlimited；Casing
（61）Near pyrolysis zone（2）With sealing frame on the inwall of side（63）Corresponding position is provided with seal groove（64）, seal groove（64）
Inside it is provided with high-temperature fibre pad（65）, sealing frame（63）Pluggable seal groove（64）Interior formation sealing structure；
Near pyrolysis zone（2）The casing of side（61）Inwall and fire door（62）Between be provided with spring（66）, away from pyrolysis zone（2）'s
Fire door（62）Side is provided with the push rod being reciprocally moveable（67）, push rod（67）Extend to casing（61）Outside；Push rod（67）With case
Body（61）Between contact site be filled with asbestos cord（68）；
Also include fire door（62）The furnacing door lifting mechanism being lifted up and down.
7. the interrupted pyrolysis oven of efficient tunnel type according to claim 6 it is characterised in that：Described casing（61）Upper close heat
Xie Qu（2）Side be provided with cooling water set（69）, water jacket（69）It is provided with water jacket water inlet（691）With water jacket outlet
（692）；
Described fire door（62）For hollow chamber structure, fire door（62）Top is provided with water inlet pipe（621）And outlet pipe, water inlet pipe（621）
To insertion fire door（62）Hollow cavity bottom, casing（61）Top is provided with admitting pipe joint（622）And titting water outlet, water inlet pipe
（621）And admitting pipe joint（622）, pass through flexible pipe between outlet pipe and titting water outlet respectively（623）Connection；
Described sealing frame（63）Intracavity be close to fire door（62）Position be provided with high-temperature resistant fiber layer（70）；
Described furnacing door lifting mechanism includes first hoist（71）, be fixed on casing（61）First water tank of side（72）, first
Hoist engine（71）By the steel wire rope through box body wall（73）With fire door（62）Top connects, steel wire rope（73）With wearing of box body wall
It is socketed with pipeline at hole（74）, this pipeline（74）One end is fixed with box body wall and and casing（61）Inner space, the other end submerges
First water tank（72）In, steel wire rope（73）From pipeline（74）Inside pass through.
8. the interrupted pyrolysis oven of efficient tunnel type according to claim 6 it is characterised in that：Described push rod（67）Including hydraulic pressure
Bar（671）And it is fixed on hydraulic stem（671）The cooling rod of front end（672）, described cooling rod（672）Including the body of rod（673）,
The body of rod（673）The closed circuit inside opening up（674）, be arranged at the body of rod（673）Go up and and closed circuit（674）The coolant of connection
Import（675）And cooling liquid outlet（676）.
9. the interrupted pyrolysis oven of efficient tunnel type according to claim 1 it is characterised in that：Described combustor（22）It is located at heat
Xie Qu（2）Body of heater near cooling zone（3）That one end, described exhaust opening（23）It is located near baking zone（1）That one end.
10. the interrupted pyrolysis oven of efficient tunnel type according to claim 1 it is characterised in that：Described tunnel type furnace body（4）Horizontal
Rectangular cross-section or circle.
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| CN201611052716.1A CN106398731A (en) | 2016-11-25 | 2016-11-25 | High-efficiency tunnel-type intermittent pyrolysis furnace |
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| CN201611052716.1A CN106398731A (en) | 2016-11-25 | 2016-11-25 | High-efficiency tunnel-type intermittent pyrolysis furnace |
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Family
ID=58083086
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| CN115449388A (en) * | 2022-09-07 | 2022-12-09 | 上海乐茗环保科技有限公司 | Pressure gas continuous biomass cracking carbonization reaction furnace |
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