CN204251556U - Multi-level tubular carbide furnace - Google Patents
Multi-level tubular carbide furnace Download PDFInfo
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- CN204251556U CN204251556U CN201420692177.8U CN201420692177U CN204251556U CN 204251556 U CN204251556 U CN 204251556U CN 201420692177 U CN201420692177 U CN 201420692177U CN 204251556 U CN204251556 U CN 204251556U
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Abstract
The utility model discloses a kind of multi-level tubular carbide furnace, comprise and be located at hopper on furnace shell and discharge nozzle, and be located at the carbonized tube of the multiple arrangements in shell and tube in furnace shell, each carbonized tube correspondence is connected with one for managing the feed mechanism of interior mass transport, feed mechanism comprises buncher and conveying member, the transportation section of conveying member is positioned at carbonized tube, and multiple conveying member is relay mode convey materials and makes material form snakelike operating path after multiple carbonized tube; Described carbonized tube is provided with splitting gas escape pipe, and carbonized tube outside is formed with flue gas chuck, and multiple flue gas chuck is communicated with formation flue gas pipeline successively, and the two ends of this flue gas pipeline are connected to flue gas and enter pipe and flue gas return tube.The beneficial effects of the utility model are, compact construction, heat leakage area are little, and thermo-efficiency is high, and splitting gas, tar, carbon etc. that carbonization produces can directly utilize, and the feature of environmental protection is good.
Description
Technical field
The utility model relates to waste treatment facility, particularly a kind of multi-level tubular carbide furnace.
Background technology
Domestic refuse refers to the waste produced in people's daily life process, its of a great variety, complicated component.Based on the theory of sustainable development, the comprehensive treating process of domestic refuse is also carried out in line with the principle of " minimizing, innoxious and resource utilization ".Its process predominating path comprises first by refuse classification, the plastics that can directly recycle sub-elected, metal, glass is recycled; Adopt fashion of extrusion that percolate and solid impurity are carried out solid-liquid separation, percolate is produced biogas by anaerobism mode and is used as fuel; Further minimizing is carried out to organic detritus and harmless treatment is problem demanding prompt solution.Carbonizing treatment mode of the prior art be by the furnace high-temperature condition of carbide furnace to the carbon containings such as rubbish, wood chip, rice husk, Pericarppium arachidis hypogaeae, straw, bark etc. organic materials carry out destructive distillation, anaerobic carbonization treating processes.Based on this principle, also occurred at present for sludge treatment carbide furnace.Existing carbide furnace comprises carbonized tube, feed mechanism and burner hearth, its carbonized tube and burner hearth are located in same furnace shell and form the direct-fired integrative-structure of carbonized tube, have that floor space is large and heat leakage area large, carbonized tube is not easy coke cleaning charcoal, the deficiency that the easy thermal distortion of carbonized tube damages.For this reason, need to improve.
Summary of the invention
The purpose of this utility model is exactly for the deficiencies in the prior art, provides a kind of multi-level tubular carbide furnace, the external-heat indirect heating that the carbonized tube of this carbide furnace adopts multistage shell and tube to arrange, and its compact construction, heat leakage area are little, and heat waste efficiency is high.
For achieving the above object, the utility model adopts following technical scheme.
A kind of multi-level tubular carbide furnace, comprise and be located at hopper on furnace shell and discharge nozzle, and be located at the carbonized tube of the multiple arrangements in shell and tube in furnace shell, each carbonized tube correspondence is connected with one for managing the feed mechanism of interior mass transport, feed mechanism comprises buncher and conveying member, the transportation section of conveying member is positioned at carbonized tube, and multiple conveying member is relay mode convey materials and makes material form snakelike operating path after multiple carbonized tube; Described carbonized tube is provided with splitting gas escape pipe, and carbonized tube outside is formed with flue gas chuck, and multiple flue gas chuck is communicated with formation flue gas pipeline successively, and the two ends of this flue gas pipeline are connected to flue gas and enter pipe and flue gas return tube.
Adopt the utility model of preceding solution, by introducing external heat source and adopting the mode of flue gas chuck to heat carbonized tube, material is in anoxic or oxygen deprivation state by the reaction process of heating pyrolyze in carbonized tube.During treating refuse residue, avoid the generation of dioxin, the cracking of rubbish residue generates various inflammable gas, organic liquid and tar and coke product can make full use of, and its feature of environmental protection is good; Do not need in furnace shell to arrange burner hearth, multiple carbonized tube is shell and tube arrangement, and material is the setting of snakelike operating path, and make its compact construction, volume is little, and heat leakage area is little, and thermo-efficiency is high; Simultaneously, multiple carbonized tube is by respective independently transfer mechanism adjustment material travelling speed, to control its pyrolysis carbonization temperature by the adjustment residence time of material in pipe, to be suitable for the product demand of different types of material carbonization requirement and carbonization, cracking, thus obtain preferably carbonization effect; Multiple carbonized tube forms multistage carbonation unit, and carbonation unit at different levels is equipped with splitting gas escape pipe, obtains diversified cracking product under different carbonization temperature to facilitate.
When the carbide furnace of this programme is used for rubbish residue carbonizing treatment, first the percolate in rubbish residue extruded rear and carry out suitable drying, recycle this carbide furnace and carry out carbonizing treatment, the pyrolysis gas produced in treating processes and flue gas can carry out heat energy recycling in system; Refuse pyrolysis inflammable gas out through gas washing purification after, the hearth combustion of burner of strile-bacing, the heat-source Cycles as refuse pyrolysis utilizes; The usual high-temperature flue gas below 400 DEG C that flue gas return tube is discharged again can as the thermal source of garbage drying, and system thermal can obtain it and make full use of, and can realize the environmental requirement of less energy-consumption.Final product after refuse treatment is combustible gas, carbon and tar, and combustible gas is clean energy, and except online burning, unnecessary can generate electricity together with biogas; Carbon can be made into fuel stick, soil improvement agent, carbon back fertilizer; Tar can refine and use into biofuel or as burning.Therefore, utilize the treating refuse of this carbide furnace, the resource utilization degree of its refuse treatment is high, little to environmental influence, and it is environmentally friendly new technology of garbage disposal.
Wherein, the flow of flue gas direction in flue gas chuck can be following current, adverse current, cross-stream relative to the flow direction of material in carbonized tube.Flow of flue gas direction preferably in flue gas chuck is contrary with the flow direction of material in carbonized tube.To make the material of flowing by entering out the process being formed and heat up gradually, thus forming the complete carbonization process from being preheating to temperature and raising gradually, making the grading effect of multiple carbonation unit more obvious.
Conveying member is preferably screw conveying structure, includes axle spiral and shaftless screw structure.Preferably adopt and have axle spiral, to arrange the anti-section of pushing away in helical feed section front, be formed with polished rod section between helical feed section and the anti-section of pushing away, the material outlet position of this polished rod section and conveying screw rod place carbonized tube adapts.Be pushed out in the carbonized tube of place to make material and enter next stage carbonation unit or get rid of carbide furnace, the setting of the anti-section of pushing away can effectively avoid material in carbonized tube to the extruding of front bearing support stuffing box, to improve the work-ing life of bearing support stuffing box sealing, thus improve carbide furnace reliability of operation and work-ing life.
Preferably, described multiple carbonized tube is arranged in order from top to bottom, and the axis of carbonized tube is all laid by horizontal direction.To make full use of the space of short transverse, reduce carbide furnace floor space, and the propelling movement Load Balanced of each spiral conveying mechanism, be beneficial to and improve Whole Equipment work-ing life.
Preferred further, the splitting gas escape pipe of described multiple carbonized tube is positioned at the same side of furnace shell.So that multiple splitting gas escape pipe is confluxed by a collecting pipe return burner, be beneficial to and save collecting pipe materials consumption.
Preferred further, described carbonized tube is provided with four, and four carbonized tubes form preheating unit, one-level carbonation unit, secondary carbonation unit and tertiary carbon unit from top to bottom successively; Described flue gas enters pipe and is connected with the flue gas chuck on described secondary carbonation unit, flue gas chuck on secondary carbonation unit is connected with the flue gas chuck on tertiary carbon unit, one-level carbonation unit and preheating unit, and the flue gas chuck on preheating unit is connected with described flue gas return tube.To import thermal source gradually to the region heat transfer that area of dissipation is large in the middle part of stove, can heat be made full use of, reduce thermosteresis, improve thermo-efficiency.In the present arrangement, the preheating unit of stove can be set to one or two as preheat function district to expand the scope of application of carbide furnace to the carbonizing treatment of rubbish residue according to the water ratio difference of material.
Preferred further, described one-level carbonation unit is connected by exposing pipe connecting with the flue gas chuck of two on tertiary carbon unit.To make full use of the space outerpace of stove, reduce the heat leakage area of stove entirety, improve thermo-efficiency.
The beneficial effects of the utility model are, compact construction, heat leakage area are little, and thermo-efficiency is high, and splitting gas, tar, carbon etc. that carbonization produces can directly utilize, and the feature of environmental protection is good.
Accompanying drawing explanation
Fig. 1 is external portion structural representation of the present utility model.
Fig. 2 is the right view of Fig. 1 in the utility model.
Fig. 3 is part-structure schematic diagram of the present utility model.
Fig. 4 is the structural representation of carbonized tube in the utility model.
Fig. 5 is the left view of Fig. 4 in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described, but therefore the utility model is not limited among described scope of embodiments.
See Fig. 1, Fig. 2, Fig. 3, a kind of multi-level tubular carbide furnace, comprise and be located at hopper 1 on furnace shell and discharge nozzle 2, and be located in furnace shell four from top to bottom, and carbonized tube 9, four carbonized tubes 9 that the shell and tube that axis horizontal is laid arranges form preheating unit, one-level carbonation unit, secondary carbonation unit and tertiary carbon unit from top to bottom successively, four carbonized tube 9 correspondences are connected with one for managing the screw feed mechanism of interior mass transport, screw feed mechanism comprises buncher 3, step-down gear and conveying screw rod 4, conveying screw rod 4 is installed on furnace shell by the high-temperature bearing assemblies 11 of two end band stuffing boxes, step-down gear is connected with conveying screw rod 4 by chain drive mode, the helical feed section 41 of conveying screw rod 4 is positioned at carbonized tube 9, and multiple conveying screw rod 4 is relay mode convey materials and makes material form snakelike operating path after multiple carbonized tube 9, wherein, helical feed section 41 front of conveying screw rod 4 is provided with counter the push away section 42 contrary with its hand of spiral, is formed with polished rod section between helical feed section 41 and the anti-section of pushing away 42, and the material outlet position of this polished rod section and conveying screw rod 4 place carbonized tube 9 adapts, the material outlet end of described carbonized tube 9 is provided with splitting gas escape pipe 5, four splitting gas escape pipes 5 are positioned at the same side of furnace shell, the tube wall peripheral distribution of carbonized tube 9 has multiple fin 91, carbonized tube 9 is formed with the flue gas chuck 6 being coated on fin 91 outside, flue gas traffic direction in flue gas chuck 6 is contrary with the flow direction of material in carbonized tube 9, flue gas chuck 6 on secondary carbonation unit and tertiary carbon unit, one-level carbonation unit and the flue gas chuck 6 on preheating unit are communicated with formation flue gas pipeline successively, the entrance end of the flue gas chuck 6 on secondary carbonation unit is connected with flue gas and enters pipe 7, the exit end of the flue gas chuck 6 on preheating unit is connected with flue gas return tube 8, flue gas enters the same side that pipe 7 and flue gas return tube 8 are positioned at furnace shell, wherein, one-level carbonation unit is connected by exposing pipe connecting 10 with the flue gas chuck 6 of two on tertiary carbon unit.
Embodiment of the present utility model is drawings described although combine above, but those of ordinary skill in the art also can recognize in the scope to claims and makes various change or amendment, these modifications and variations are interpreted as within scope of the present utility model and intention.
Claims (9)
1. a multi-level tubular carbide furnace, comprise and be located at hopper (1) on furnace shell and discharge nozzle (2), and be located at the carbonized tube (9) of the multiple arrangements in shell and tube in furnace shell, each carbonized tube (9) correspondence is connected with one for managing the feed mechanism of interior mass transport, feed mechanism comprises buncher (3) and conveying member (4), conveying member (4) is positioned at carbonized tube (9), and multiple conveying member (4) is in relay mode convey materials and make material form snakelike operating path after multiple carbonized tube (9); It is characterized in that, described carbonized tube (9) is provided with splitting gas escape pipe (5), carbonized tube (9) outside is formed with flue gas chuck (6), multiple flue gas chuck (6) is communicated with formation flue gas pipeline successively, and the two ends of this flue gas pipeline are connected to flue gas and enter pipe (7) and flue gas return tube (8).
2. multi-level tubular carbide furnace according to claim 1, it is characterized in that, described conveying member (4) is screw conveying structure.
3. multi-level tubular carbide furnace according to claim 2, it is characterized in that, helical feed section (41) front of described conveying member (4) is provided with the anti-section of pushing away (42), be formed with polished rod section between helical feed section (41) and the anti-section of pushing away (42), the material outlet position at this polished rod section and conveying member (4) place carbonized tube (9) adapts.
4. multi-level tubular carbide furnace according to claim 1, it is characterized in that, the flue gas traffic direction in described flue gas chuck (6) is contrary relative to the flow direction of material in carbonized tube (9).
5. multi-level tubular carbide furnace according to claim 1, it is characterized in that, the tube wall peripheral distribution of described carbonized tube (9) has multiple fin (91), and the plurality of fin is covered by described flue gas chuck (6).
6. according to the multi-level tubular carbide furnace in Claims 1 to 5 described in any one claim, it is characterized in that, described multiple carbonized tube (9) is arranged in order from top to bottom, and the axis of carbonized tube (9) is all laid by horizontal direction.
7. multi-level tubular carbide furnace according to claim 6, is characterized in that, the splitting gas escape pipe (5) of described multiple carbonized tube (9) is positioned at the same side of furnace shell.
8. multi-level tubular carbide furnace according to claim 6, it is characterized in that, described carbonized tube (9) is provided with four, and four carbonized tubes (9) form preheating unit, one-level carbonation unit, secondary carbonation unit and tertiary carbon unit from top to bottom successively; Described flue gas enters pipe (7) and is connected with the flue gas chuck (6) on described secondary carbonation unit, flue gas chuck (6) on secondary carbonation unit is connected with the flue gas chuck (6) on tertiary carbon unit, one-level carbonation unit and preheating unit, and the flue gas chuck (6) on preheating unit is connected with described flue gas return tube (8).
9. multi-level tubular carbide furnace according to claim 8, is characterized in that, described one-level carbonation unit is connected by exposing pipe connecting (10) with the flue gas chuck (6) of two on tertiary carbon unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420692177.8U CN204251556U (en) | 2014-11-18 | 2014-11-18 | Multi-level tubular carbide furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420692177.8U CN204251556U (en) | 2014-11-18 | 2014-11-18 | Multi-level tubular carbide furnace |
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| CN204251556U true CN204251556U (en) | 2015-04-08 |
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| CN201420692177.8U Active CN204251556U (en) | 2014-11-18 | 2014-11-18 | Multi-level tubular carbide furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098560A (en) * | 2017-06-19 | 2017-08-29 | 重庆航天机电设计院 | Sludge, greasy dirt are combined pyrolysis system |
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2014
- 2014-11-18 CN CN201420692177.8U patent/CN204251556U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098560A (en) * | 2017-06-19 | 2017-08-29 | 重庆航天机电设计院 | Sludge, greasy dirt are combined pyrolysis system |
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Address after: 400039 Yuzhou Road, Kowloon District, Chongqing, No. 60 Patentee after: Chongqing Aerospace Industry Co., Ltd. Address before: 400039 Yuzhou Road, No. 60, Chongqing high tech Zone Patentee before: Chongqing Aerospace Industry Co., Ltd. |