CN206204223U - A kind of interrupted pyrolysis oven of efficient tunnel type - Google Patents

Abstract

The utility model discloses a kind of efficient interrupted pyrolysis oven of tunnel type, including tunnel type furnace body, body of heater is divided into baking zone, pyrolysis zone, cooling zone, netted stove frame is provided with body of heater；Baking zone and the intersection of pyrolysis zone, and the intersection of pyrolysis zone and cooling zone are provided with the hermatic door that pyrolysis zone can be completely cut off into closed cavity completely；Combuster is connected on the body of heater of pyrolysis zone, pyrolysis zone body of heater is provided with exhaust opening, inboard wall of furnace body and body of heater inner cavity top are placed with many fire tubes in pyrolysis zone, each entrance and combustion chamber of fire tube, the outlet of each fire tube are connected with exhaust opening.The utility model is laid out fire tube in stove, it is to avoid pyrolysis gas enter in stove and influence the work of combustor, ensure that the operating pressure of combustor is normal, it is ensured that furnace temperature can be lifted on demand.And the tedious steps of folding movable guiding rail are eliminated, and manpower is saved, operate simpler.Push rod with cooling facility guarantees top tight sealing door without failure, it is ensured that sealing.

Description

A kind of interrupted pyrolysis oven of efficient tunnel type

Technical field

The utility model belongs to biomass fuel thermal decomposition equipment, specifically related to a kind of interrupted pyrolysis oven of efficient tunnel type.

Background technology

I takes charge of the first generation interrupted pyrolysis oven of tunnel type biomass of exploitation（Number of patent application 201610131973.8）, heating Mode is internal heating type, i.e., 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, with being continuously increased for pyrolysis gas, furnace pressure increases therewith, and combustor can not Normal work, furnace temperature does not rise, and influences yield.

2. pyrolysis gas are more containing nitrogen, and calorific value is low, and value is low.

3. the movable guiding rail of design is during practical operation, complex operation step, waste of manpower and time.

4. hydraulic mandril is unable to high temperature resistant, and in the stove of continuous high temperature, its effect failure, 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, security and convenience are poor.

6. the kiln car of heat-insulation layer is carried, amount of stored heat is big, heating needs to consume the substantial amounts of energy, and cooling is same to consume the energy, And the heat time is taken, and cool time is taken, reduce yield.

Utility model content

Regarding to the issue above, the utility model aims to provide one kind and ensure that in-furnace temperature, easy to operate, good airproof performance The interrupted pyrolysis oven of efficient tunnel type.

The technical scheme of the utility model solve problem is：A kind of interrupted pyrolysis oven of efficient tunnel type, including car tunnel furnace Body, body of heater is divided into baking zone, pyrolysis zone, cooling zone, and the removable netted stove frame for loading material to be heated is provided with body of heater；

The body of heater of the baking zone is provided with hot-wind inlet and moisture outlet, and the porch of baking zone is provided with baking zone Door, baking zone is provided with the netted stove of driving and frames shift dynamic drive mechanism outdoors；

The body of heater both sides of the cooling zone are provided with cooling gas import and cooling gas outlet, and the exit of cooling zone is provided with Cooling zone door；

The baking zone and the intersection of pyrolysis zone, and the intersection of pyrolysis zone and cooling zone be provided with can be by pyrolysis zone Completely cut off into the hermatic door of closed cavity completely；

Combuster is connected on the pyrolysis zone body of heater, pyrolysis zone body of heater is provided with exhaust opening, in pyrolysis zone inboard wall of furnace body and Body of heater inner cavity top is placed with many fire tubes, each entrance and combustion chamber of fire tube, each outlet of fire tube and row Mouth is connected.

In such scheme, high-temperature flue gas are not contacted directly with material to be heated, but are passed through fire tube, by fire tube to treating Heating material provides heat.Pyrolysis gas into the work that combustor is influenceed in stove are so avoided, combustor is ensure that Operating pressure it is normal, it is ensured that furnace temperature can be lifted on demand.

Further, the pyrolysis zone body of heater include hollow shell, along outer casing inner wall lay insulating brick, the fire tube with Insulating brick is fixedly connected；

Interval is fixed with multiple blower fans on the outer shell outer wall, and the blade of the blower fan passes through shell and insulating brick and stretches into Near fire tube outside.

In such scheme, design blower fan is used to stir the heat that fire tube comes out, and forces pyrolysis gas to be changed with fire tube Heat, improves pyrolysis efficiency.

Further, the pyrolysis zone body of heater both sides inwall is respectively separated and is provided with spoiler, and opposite sides spoiler It is arranged in a crossed manner so that the obstruction that high-temperature flue gas encounter spoiler forms dog leg path flowing.

The design of spoiler can guide high-temperature flue gas to advance in broken line, and pyrolysis gas temperature is gradually reduced.So have successively The abundant of sequence is contacted with material to be heated, and reaction is abundant, and energy consumption is lower, and thermal loss is small.

Further, the 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；

The baking zone and the intersection of pyrolysis zone, and the guide rail of the intersection of pyrolysis zone and cooling zone disconnect, and it breaks Thickness of the width opened more than hermatic door；

The distance between two adjacent wheels of the netted stove frame are more than the width that guide rail disconnects.

In such scheme, the purpose that guide rail disconnects is able to accommodating hermatic door, it is smoothly sealed in place.In net It is to ensure that netted stove frame smoothly across the part of guide rail disconnection, and can be unlikely to turn over that shape stove frame bottom designs multipair wheel .And, it is this to be designed to so that netted stove is frameed shift dynamic rapid, save manpower, it is simple to operate.

Further,

Also including being arranged in pyrolysis zone is used to drag the dragging mechanism that netted stove frame is moved horizontally, and the dragging mechanism includes The second hoist of the pulling vehicle below guide rail and the achievable rotating outside body of heater, volume Two are located in body of heater Raise machine and be connected with pulling vehicle by pulling rope；

The pulling vehicle top is hinged with baffle plate, and spring, baffle plate are connected between the baffle plate trailing flank and pulling vehicle car body Leading flank is connected with the first dragging rope, and the first dragging rope bypasses pulley assembly and is connected with second hoist；The baffle plate Height of the height more than plane where netted stove frame axletree after erecting；

The pulling vehicle rear end is connected with the second dragging rope, the second dragging rope bypass pulley assembly and with the second elevator Machine is connected；

The flashback tank for filling water is had on ground, described first pulls the part of rope and the second dragging rope outside body of heater buries Enter underground and through flashback tank, sleeve pipe is set with outside the first dragging rope and the second dragging buried ran of rope；

Sleeve pipe between body of heater and flashback tank, one end extends to docks with body of heater, in other end insertion flashback tank；Position Sleeve pipe between second hoist and flashback tank, in one end insertion flashback tank, the other end is connected with second hoist；

The dragging mechanism is provided with two sets, a set of to be arranged at cooling zone, another set of to be arranged at baking zone, and positioned at baking zone Pull mechanism and set with the dragging mechanism specular for being located at cooling zone.

Design pulls mechanism and can easily drag netted stove frame, and its course of work is, under normal condition, baffle plate receives bullet The pulling force of spring, when needing to promote netted stove frame to advance, starts second hoist and rotates forward in state of falling, 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 drive Netted stove frame is moved together.

When pulling vehicle needs to retreat, start second hoist reversion, baffle plate fell, after the second dragging rope pulls pulling vehicle Move back.

Setting a set of purpose for pulling mechanism in baking zone is, when needing to close hermatic door, if netted stove frame Intersection is located just at, putting down for hermatic door is blocked, netted stove frame is retreated using mechanism is pulled, vacate the sky of hermatic door Between.

Further, the hermatic door include be fixedly connected with body of heater and with the carrying casing of body of heater inner space；

Fire door is installed, the side on fire door near pyrolysis zone is fixed with sealing frame in cabinets cavity, the sealing frame is plate Material surrounds the box-structure to be formed, and the side near pyrolysis zone is opened wide completely；Casing near pyrolysis zone side inwall on it is close The corresponding position of envelope frame is provided with seal groove, and high-temperature fibre pad is provided with seal groove, and it is close that sealing frame can be inserted into formation in seal groove Seal structure；

Spring is provided between the cabinet wall and fire door of pyrolysis zone side, be provided with can away from the fire door side of pyrolysis zone The push rod for moving back and forth, push rod is extended to outside casing；Contact site between push rod and casing is filled with asbestos cord；

Also include the furnacing door lifting mechanism for lifting fire door 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 that sealing frame coordinates with seal groove is the air-tightness for ensureing pyrolysis zone.Spring and top The cooperation of linkage can cause that fire door is moved axially along body of heater, be held out against fire door by push rod when closing fire door, and spring is pressed Contracting, push rod is unclamped when opening fire door, and spring flicks fire door by elastic force.The effect of asbestos cord is to prevent gas leakage.

Further, cooling water set is provided near the side of pyrolysis zone on the casing, water jacket is provided with water jacket water inlet Mouth and water jacket delivery port；

The fire door is hollow chamber structure, and fire door top is provided with water inlet pipe and outlet pipe, and water inlet pipe is hollow to fire door is inserted Chamber bottom, casing top is provided with admitting pipe joint and titting water outlet, and water inlet pipe and admitting pipe joint, outlet pipe and outlet pipe connect Pass through soft pipe connection between head respectively；

The position of the chamber inner close fitting fire door of the sealing frame is provided with high-temperature resistant fiber layer；

The furnacing door lifting mechanism includes first hoist, is fixed on the first water tank of casing side, and first hoist is led to The steel wire rope crossed through box body wall is connected with fire door top, is socketed with pipeline at steel wire rope and the perforation of box body wall, the pipeline one End is fixed with box body wall and is connected with cabinets cavity, and the other end is submerged in the first water tank, and steel wire rope is passed through from pipeline.

In such scheme, design water jacket is to cool down pyrolysis zone with baking zone, the intersection of 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 the air-tightness of the casing that guarantee is connected with body of heater, Prevent outside air from entering body of heater by casing.

Further, the push rod includes hydraulic stem and is fixed on the cooling rod of hydraulic stem front end, the cooling rod bag The circulation loop that include the body of rod, opens up in the body of rod, the cooling liquid inlet for being arranged on the body of rod and being connected with circulation loop and cooling Liquid is exported.

Because hydraulic stem is typically unable to high temperature resistant, cooling rod is set in its front end and ensure that hydraulic stem normal work is not lost Effect, so as to ensure the sealing of hermatic door.

Preferably, the combustion chamber is located at that one end near cooling zone on the body of heater of pyrolysis zone, and the exhaust opening is located at Near that one end of baking zone.

Preferably, the tunnel type furnace body cross section is rectangle or circle.

The pyrolysis oven course of work of the present utility model is：

（a）Open baking zone door, cooling zone door and two hermatic doors；By it is multiple abut successively be filled with it is to be heated The removable netted stove frame of material is pushed in body of heater from baking zone door, after removable netted stove frame is booked pyrolysis zone successively, is closed Close two hermatic doors of pyrolysis zone.

Close hermatic door operating procedure be：

Open first hoist slowly to put down fire door, fire door is pushed away towards the direction of pyrolysis zone with push rod, spring is compressed, In sealing frame insertion seal groove.

（b）The removable netted stove frame for being again pushed into being filled with material to be heated is booked baking zone, and baking zone is closed afterwards Door, hot blast is passed through baking zone and material to be heated is dried from hot-wind inlet, and moisture is discharged from moisture outlet.

（c）Close cooling zone door.

（d）For different materials to be heated（Biomass, house refuse, mineral matter and metal etc.）, as the case may be Temperature in regulation combustion chamber, makes its maintenance design temperature (can maintain 300 DEG C~1200 DEG C as the case may be）, combustion chamber Interior high-temperature flue gas are entered fire tube and are stirred by blower fan, force pyrolysis gas to carry out heat exchange with fire tube.It is then subjected to spoiler Guiding, advance in broken line, until from exhaust opening discharge, so successively it is orderly it is abundant contacted with material to be heated, make to be added Hot material stops conveying high-temperature flue gas in the abundant pyrolytic reaction in pyrolysis zone after reaching the stipulated time.

（e）Two hermatic doors of pyrolysis zone are opened, drive mechanism is started, by the material to be heated of drying in baking zone Push-in pyrolysis zone, simultaneously, the netted stove frame of the equal number being pyrolyzed is taken advantage of a situation and is ejected pyrolysis zone, hence into cold But area.

The process for opening hermatic door is step（a）The middle inverse process for closing hermatic door.

（f）Start second hoist, netted stove frame is dragged using pulling vehicle, by the netted stove frame in cooling zone to cooling zone Way out moves a segment distance（The distance can freely be put down by hermatic door and is defined）, close two sealed doors.

（g）The removable netted stove frame for being again pushed into being filled with material to be heated is booked baking zone, and baking zone is closed afterwards Door.Simultaneously, it is passed through cooling gas medium from cooling gas import（Carbon dioxide can be used below 600 DEG C, higher than 600 DEG C Nitrogen can be used）, the gas after cooling is exported from cooling gas discharges.In this course, while also having for carrying out continues from combustion Burning room is passed through high-temperature flue gas toward the fire tube of pyrolysis zone carries out pyrolytic reaction.

（h）After the completion of cooling, cooling zone door is opened, be dragged to for the netted stove frame in cooling zone outer by startup second hoist Face.Treat that pyrolysis zone reaction is completed, repeat step（e）~（h）The operation being dried, be pyrolyzed, cooled down can constantly be circulated.

Remarkable result of the present utility model is：

1. fire tube is laid out in stove, and high-temperature flue gas are not contacted directly with material to be heated, but are passed through fire tube, by fire Pipe provides heat to material to be heated.Pyrolysis gas into the work that combustor is influenceed in stove are so avoided, be ensure that The operating pressure of combustor is normal, it is ensured that furnace temperature can be lifted on demand.

2. design blower fan is used to stir the heat that fire tube comes out, and forces pyrolysis gas to be exchanged heat with fire tube, improves pyrolysis effect Rate.

3. cancel movable guiding rail, netted stove frame is improved, it is ensured that what netted stove frame smoothly can disconnect across guide rail Part, and be unlikely to overturn.So that netted stove is frameed shift moves rapid, the tedious steps of folding movable guiding rail are eliminated, save manpower, Operation is simpler.

4. the push rod with cooling facility guarantees top tight sealing door without failure, it is ensured that sealing.

5. the ash content of the charcoal for obtaining is few, is heated using fire tube mode, and whole pyrolysis zone is in an environment for anaerobic, no longer There is oxygen combustion material to be heated to produce ash content.

6. clean pyrolysis gas burning will not produce carbon deposit, long-term to keep fire tube clean.

7. the use of mechanism is pulled, the mode that the steel loop before improving is hooked, it is not necessary to which workman enters in high temperature environments Row operation, safe, operating procedure is simple and convenient.

Brief description of the drawings

The utility model is described in further detail below in conjunction with the accompanying drawings.

Fig. 1 is the utility model pyrolysis oven front view.

Fig. 2 is the utility model pyrolysis oven top view.

Fig. 3 is B-B views in Fig. 2.

Fig. 4 is A-A views in Fig. 2.

Fig. 5 is C-C views 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 dragging mechanism enlarged drawing.

In figure：1- baking zones, 2- pyrolysis zones, 3- cooling zones, 4- bodies of heater, the netted stove frames of 5-, 6- hermatic doors, 7- guide rails, 10- Second hoist, 11- hot-wind inlets, 12- moisture outlets, 13- baking zones door, 14- piston cylinders, 15- fire tubes, 16- blower fans, 21- spoilers, 22- combustion chambers, 23- exhaust openings, 27- pulling vehicles, 28- baffle plates, 29- springs, 30- first pulls rope, and 31- is cold But gas feed, the outlet of 32- cooling gas, 33- cooling zones door, 36- flashback tanks, 37- sleeve pipes, 41- insulating bricks, 42- shells, 51- pulley assemblies, 52- second pulls rope, 61- casings, 62- fire doors, 63- sealing frames, 64- seal grooves, 65- high-temperature fibres Pad, 66- springs, 67- push rods, 68- asbestos cords, 69- water jackets, 70- high-temperature resistant fiber layers, 71- first hoist, the water of 72- first Case, 73- steel wire ropes, 74- pipelines, 81- axletrees, 83- wheels, 621- water inlet pipes, 622- admitting pipe joints, 623- flexible pipes, 671- hydraulic stems, 672- cooling rods, the 673- bodies of rod, 674- circulation loops, 675- cooling liquid inlets, 676- cooling liquid outlets, 691- water jacket water inlets, 692- water jacket delivery ports.

Specific embodiment

As shown in Fig. 1~10, a kind of efficient interrupted pyrolysis oven of tunnel type, including tunnel type furnace body 4,4 points of body of heater is drying Area 1, pyrolysis zone 2, cooling zone 3.The cross section of the body of heater 4 is rectangle or circle.

The inner bottom part of the body of heater 4 is covered with guide rail 7, and guide rail 7 is provided with the netted stove frame 5 for loading material to be heated, The netted bottom of stove frame 5 is provided with least four pairs wheels 83, and wheel 83 is supported on guide rail 7.

The 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 disconnect, Thickness of the width that it disconnects more than hermatic door.

The distance between two adjacent wheels 83 of the netted stove frame 5 are more than the width that guide rail 7 disconnects.

The body of heater of the baking zone 1 is provided with hot-wind inlet 11 and moisture outlet 12, and the porch of baking zone 1 is provided with baking Dry area's door 13, baking zone door 13 is externally provided with the drive mechanism for driving the netted movement of stove frame 5, and the drive mechanism is preferably piston cylinder 14。

The body of heater of the 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.

The 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 the pyrolysis zone 2, the body of heater of pyrolysis zone 2 is provided with exhaust opening 23.The combustion chamber 22 Near that one end of cooling zone 3 on the body of heater of pyrolysis zone 2, the exhaust opening 23 is located near that one end of baking zone 1.

In pyrolysis zone, the inwall of 2 body of heater 4 and the inner cavity top of body of heater 4 are placed with many fire tubes 15, each entrance of fire tube 15 Connected with combustion chamber 22, each outlet of fire tube 15 is connected with exhaust opening 23.

The body of heater of the pyrolysis zone 2 include hollow shell 42, along the inwall of shell 42 lay insulating brick 41, the fire tube 15 with Insulating brick 41 is fixedly connected.Interval is fixed with multiple blower fans 16 on the outer wall of the shell 42, and the blade of the blower fan 16 is outside Shell 42 and insulating brick 41 are simultaneously stretched near the outside of fire tube 15.

The body of heater both sides inwall of the pyrolysis zone 2 is respectively separated and is provided with spoiler 21, and the spoiler 21 of opposite sides intersects Set 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 is moved horizontally in pyrolysis zone 2, dragging mechanism bag Include the second hoist of the pulling vehicle 27 in body of heater 4 below guide rail 7 and the achievable rotating outside body of heater 4 10, second hoist 10 is connected by pulling rope with pulling vehicle 27.

The top of the pulling vehicle 27 is hinged with baffle plate 28, and bullet is connected between the trailing flank of baffle plate 28 and the car body of pulling vehicle 27 Spring 29, the leading flank of baffle plate 28 is connected with the first dragging rope 30, and described first pulls rope 30 bypasses pulley assembly 51 and and volume Two Machine 10 is raised to connect.The baffle plate 28 erect after height more than the netted place plane of 5 axletree of stove frame 81 height.

The rear end of the pulling vehicle 27 is connected with the second dragging rope 52, described second pull rope 52 bypass pulley assembly 51 and with Second hoist 10 is connected.

The flashback tank 36 for filling water is had on ground, described first pulls the dragging rope 52 of rope 30 and second is located at outside body of heater 4 Be partly embedded into underground and through flashback tank 36, first pulls rope 30 and second pulls and is set with outside 52 buried rans of rope Sleeve pipe 37.

Sleeve pipe 37 between body of heater 4 and flashback tank 36, one end extends to docks with body of heater 4, other end insertion 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 is connected.

The dragging mechanism is provided with two sets, a set of to be arranged at cooling zone 3, another set of to be arranged at baking zone 1, and positioned at drying The mechanism that pulls in area 1 is set with the dragging mechanism specular positioned at cooling zone 3.

The hermatic door 6 include be fixedly connected with body of heater 4 and with the carrying casing 61 of body of heater inner space.

Fire door 62 is installed, the side on fire door 62 near pyrolysis zone 2 is fixed with sealing frame 63, and this is close in the inner chamber of casing 61 The envelope box-structure to be formed for sheet material surrounds of frame 63, the side near pyrolysis zone 2 is opened wide completely.Casing 61 is near pyrolysis zone 2 one It is provided with the corresponding position of sealing frame 63 on the inwall of side in seal groove 64, seal groove 64 and is provided with high-temperature fibre pad 65, is sealed Frame 63 can be inserted into and sealing structure is formed in seal groove 64；

Spring 66 is provided between the inwall of casing 61 and fire door 62 of the side of pyrolysis zone 2, away from the fire door 62 of pyrolysis zone 2 Side is provided with the push rod 67 being reciprocally moveable, and push rod 67 is extended to outside casing 61.

The push rod 67 includes hydraulic stem 671 and is fixed on the cooling rod 672 of the front end of hydraulic stem 671, the cooling rod The circulation loop 674 that 672 include the body of rod 673, opens up in the body of rod 673, it is arranged on the body of rod 673 and connects with circulation loop 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.

Side on the casing 61 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 delivery port 692；

The fire door 62 is hollow chamber structure, and the top of fire door 62 is provided with water inlet pipe 621 and outlet pipe, and water inlet pipe 621 is to inserting Enter the hollow cavity bottom of fire door 62, the top of casing 61 is provided with admitting pipe joint 622 and titting water outlet, water inlet pipe 621 and water inlet pipe Joint 622, connected by flexible pipe 623 respectively between outlet pipe and titting water outlet；

The position of the chamber inner close fitting fire door 62 of the sealing frame 63 is provided with high-temperature resistant fiber layer 70.

Also include the furnacing door lifting mechanism that fire door is lifted about 62.The furnacing door lifting mechanism includes first hoist 71st, the first water tank 72 of the side of casing 61 is fixed on, first hoist 71 is by the steel wire rope 73 through box body wall and fire door 62 Top is connected, and pipeline 74 is socketed with steel wire rope 73 and the perforation of box body wall, and the one end of pipeline 74 is fixed and and case with box body wall The inner space of body 61, the other end is submerged in the first water tank 72, and steel wire rope 73 is passed through from pipeline 74.

When this pyrolysis oven is the state of cooling, in a kind of method that charcoal is produced（The patent No.： ZL201210547343.0）The charcoal bar stock material of production is to be produced during raw material sends into pyrolysis oven of the present utility model.It is this Blank is the charcoal after carrying out low temperature pyrogenation with biomass, and adhesive, the high density charcoal rod of extrusion forming are added after crushing.

In a kind of pyrolysis furnace structure of concrete form, 16 netted stove frames 5 are designed altogether, wherein, pyrolysis zone 20 two, Cooling zone 3 two, baking zone 1 two.

The pyrolysis oven course of work is：

（a）Open baking zone door 13, cooling zone door 33 and two hermatic doors 6.By 12 abut successively be filled with The removable netted stove frame 5 of biomass is pushed in body of heater 4 from baking zone door 13, after netted stove frame 5 is booked pyrolysis zone 2 successively, Close 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, fire door 62 is pushed away towards the direction of pyrolysis zone 2 with push rod 67, bullet Spring 66 is compressed, in the insertion seal groove 64 of sealing frame 63.

（b）It is again pushed into two removable netted stove frames for being filled with biomass and is booked baking zone 1, baking zone is closed afterwards Door 13, hot blast is passed through baking zone 1 from hot-wind inlet 11, and biomass are dried, and moisture is discharged from moisture outlet 12.

（c）Close cooling zone door 33.

（d）For different biomass, the temperature in combustion chamber 22 is adjusted as the case may be, it is maintained design temperature (400 DEG C~1200 DEG C can be maintained as the case may be）, the high-temperature flue gas in combustion chamber 22 are into fire tube 15 and by blower fan 16 stirrings, force pyrolysis gas to carry out heat exchange with fire tube.The guiding of spoiler 21 is then subjected to, is advanced in broken line, until from row Mouth 23 is discharged, so successively it is orderly it is abundant contacted with biomass, make biomass in the abundant pyrolytic reaction in pyrolysis zone, reach rule Stop conveying high-temperature flue gas after fixing time.

（e）Two hermatic doors 6 of pyrolysis zone 2 are opened, piston cylinder 14 is started, by two nets of the interior drying of 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 eject pyrolysis zone 2, so as to enter Enter cooling zone 3.

The process for opening hermatic door is step（a）The middle inverse process for closing hermatic door.

（f）Start second hoist 10, netted stove frame 5 dragged using pulling vehicle, by the netted stove frame 5 in cooling zone 3 to Cooling zone Way out moves a segment distance（The distance can freely be put down by hermatic door and is defined）, close two sealed doors 6.

（g）Two netted stove frames 5 for being again pushed into being filled with biomass are booked baking zone 1, and baking zone door 13 is closed afterwards. Simultaneously, it is passed through cooling gas medium from cooling gas import 31（Carbon dioxide can be used below 600 DEG C, can higher than 600 DEG C Use nitrogen）, gas after cooling discharges from cooling gas outlet 32.In this course, while also having for carrying out continues from combustion Burning room 22 is passed through high-temperature flue gas toward the fire tube 15 of pyrolysis zone 2 carries out pyrolytic reaction.

（h）After the completion of cooling, cooling zone door 33 is opened, start second hoist 10 by two netted stoves in cooling zone 3 Frame 5 is dragged to outside.Treat that the reaction of pyrolysis zone 2 is completed, repeat step（e）~（h）Constantly circulation can be dried, be pyrolyzed, be cooled down Operation.

Claims (10)

1. a kind of interrupted pyrolysis oven 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）；

The baking zone（1）Body of heater be provided with hot-wind inlet（11）With moisture 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）Mobile drive mechanism；

The cooling zone（3）Body of heater both sides be provided with cooling gas import（31）Exported with cooling gas（32）, cooling zone（3）'s Exit is provided with cooling zone door（33）；

The 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）；

The 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 combustion chamber（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：The pyrolysis zone（2）Body of heater bag Include hollow shell（42）, along shell（42）The insulating brick of inwall laying（41）, the fire tube（15）With insulating brick（41）It is fixed to connect Connect；

The shell（42）Interval is fixed with multiple blower fans on outer wall（16）, the 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：The pyrolysis zone（2）Body of heater two Side inwall is respectively separated and is provided with spoiler（21）, and opposite sides spoiler（21）It is 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：The 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 supported on guide rail（7）On；

The baking zone（1）And pyrolysis zone（2）Intersection, and pyrolysis zone（2）And cooling zone（3）Intersection guide rail （7）Disconnect, thickness of the width that it disconnects more than hermatic door；

The netted stove frame（5）Two adjacent wheels（83）The distance between be more than guide rail（7）The width of disconnection.

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）It is interior for dragging netted stove frame（5）The dragging mechanism for moving horizontally, the dragging mechanism is included in body of heater（4）It is interior positioned at guide rail （7）The pulling vehicle of lower section（27）And positioned at body of heater（4）The second hoist of outer achievable rotating（10）, the second elevator Machine（10）By pulling rope and pulling vehicle（27）Connection；

The pulling vehicle（27）Top is hinged with baffle plate（28）, the baffle plate（28）Trailing flank and pulling vehicle（27）Connected 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）Connection；The baffle plate（28）Height after erecting is more than netted stove frame（5）Axletree （81）The height of place plane；

The 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）Connection；

The flashback tank for filling water is had on ground（36）, described first pulls rope（30）Rope is pulled with second（52）Positioned at body of heater （4）It is outer to be partly embedded into underground and through flashback tank（36）, first pulls rope（30）Rope is pulled with second（52）It is buried Sleeve pipe is set with 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, other end insertion Flashback tank（36）In；Positioned at second hoist（10）With flashback tank（36）Between sleeve pipe（37）, one end insertion flashback tank（36） In, the other end and second hoist（10）Connection；

The dragging mechanism is provided with two sets, a set of to be arranged at cooling zone（3）, it is another set of to be arranged at baking zone（1）, and positioned at drying Area（1）Dragging mechanism be located at cooling zone（3）Dragging mechanism specular set.

6. the interrupted pyrolysis oven of efficient tunnel type according to claim 1, it is characterised in that：The hermatic door（6）Including with Body of heater（4）Be fixedly connected and with the carrying casing of body of heater inner space（61）；

Casing（61）Fire door is installed in inner chamber（62）, fire door（62）It is upper to be close to pyrolysis zone（2）Side be fixed with sealing frame （63）, the sealing frame（63）For sheet material surrounds the box-structure to be formed, near pyrolysis zone（2）Side completely open wide；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）Can be inserted into 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）It is 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 for being lifted up and down.

7. the interrupted pyrolysis oven of efficient tunnel type according to claim 6, it is characterised in that：The casing（61）It is upper to be close to 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 delivery port （692）；

The fire door（62）It is 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）, between outlet pipe and titting water outlet respectively pass through flexible pipe（623）Connection；

The sealing frame（63）Chamber inner close fitting fire door（62）Position be provided with high-temperature resistant fiber layer（70）；

The 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 for box body wall Pipeline is socketed with hole（74）, the pipeline（74）One end is fixed and and casing with box body wall（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：The push rod（67）Including hydraulic pressure Bar（671）And it is fixed on hydraulic stem（671）The cooling rod of front end（672）, the cooling rod（672）Including the body of rod（673）, The body of rod（673）The circulation loop for inside opening up（674）, be arranged at the body of rod（673）Upper and and circulation loop（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：The combustion chamber（22）Positioned at heat Xie Qu（2）Body of heater near cooling zone（3）That one end, the exhaust opening（23）Positioned 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：The tunnel type furnace body（4）It is horizontal Rectangular cross-section or circle.