CN202011856U - Straw gasification pyrolyzing furnace - Google Patents
Straw gasification pyrolyzing furnace Download PDFInfo
- Publication number
- CN202011856U CN202011856U CN2011201119471U CN201120111947U CN202011856U CN 202011856 U CN202011856 U CN 202011856U CN 2011201119471 U CN2011201119471 U CN 2011201119471U CN 201120111947 U CN201120111947 U CN 201120111947U CN 202011856 U CN202011856 U CN 202011856U
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- Prior art keywords
- furnace wall
- pyrolysis oven
- jet pipe
- burner hearth
- destructive distillation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Incineration Of Waste (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
A straw gasification pyrolyzing furnace comprises a side furnace wall, a retort and at least two air intake units, wherein the retort is arranged in the side furnace wall; a cover plate and a hearth are respectively arranged at two ends of the retort; a bottom furnace wall and a foundation are arranged below the hearth in sequence; the foundation is connected with the side furnace wall; the other end of the side furnace wall sequentially passes through a square exhaust tube and a fire-proof mud layer and then is connected with the cover plate with each other; an upper furnace door and a lower furnace door are respectively arranged in the middle of the hearth and the middle of the bottom furnace wall; a steel plate housing is arranged between the square exhaust tube and the foundation; the steel plate housing is connected with the side furnace wall through an aluminum silicate fiber layer and a second refractory concrete layer; the air intake units are uniformly arranged along the same circumference; the included angle of an air intake pipe between a spray pipe in each air intake unit and the side surface of the hearth is an acute angle; an air intake valve is arranged between the spray pipe and a spray nozzle joint; and a temperature sensor is arranged on the air intake valve. The utility model has the advantages that the heating uniformity of the retort is better, and the adjustability is stronger.
Description
Technical field
The utility model relates to a kind of pyrolysis oven, relates in particular to a kind of gasifying stalk pyrolysis oven, specifically is applicable to the destructive distillation Fu in the pyrolysis oven is realized even formula and adjustable heating.
Background technology
At present, because agricultural crop straw can produce a large amount of inflammable gas and biomass charcoal after the destructive distillation pyrolysis, thereby the gasifying stalk pyrolysis oven has obtained widespread use in industrial and agricultural production and life, as being the retort heating, again the flue gas that produces during the stalk pyrolysis in the retort is guided to replenishing as the drying materials thermal source in the drying plant by the mode of pyrolysis oven by combustion gases.Generally speaking, the outside steel plate that adopts of the body of heater of pyrolysis oven is made, and liner then adopts flame-proof thermal insulation material to make.
The Chinese patent Granted publication number is CN2931476Y, Granted publication day is that the utility model patent on August 8th, 2007 discloses a kind of biomass high temperature pyrolysis stove, comprise the furnace wall that is built into by refractory materials, the top of furnace wall is provided with chimney, the bottom of furnace wall is provided with combustion chamber and ashcan, top, combustion chamber is provided with airtight pyrolytic reaction still, one side of pyrolytic reaction still is provided with the material inlet that leads to the outside, furnace wall, the top of pyrolytic reaction still is provided with the combustion gas escape pipe, leave the smoke evacuation gap between pyrolytic reaction still in the biomass high temperature pyrolysis stove and the furnace wall, centre in the pyrolytic reaction still is provided with at the bottom of still and extends to the smoke pipe that still pushes up, the lower opening of this smoke pipe is communicated with the smoke evacuation gap, and the upper shed of smoke pipe is communicated with chimney.Though this utility model both can satisfy the demand of vast farmers to the high-quality life fuel, also can solve the problem that rural area " dump is many; rick is many " influences look of a village village looks, but its homogeneity to destructive distillation Fu heating is relatively poor, promptly allow to by at the bottom of the still, the smoke pipe that is provided with between the still top increases the homogeneity that destructive distillation Fu endogenous substance is heated, but it is limited also to increase degree, be difficult to realize the abundant destructive distillation pyrolysis of destructive distillation Fu endogenous substance, in addition, this utility model is Once you begin operated, its heating to destructive distillation Fu is then carried out in full automatic mode, be difficult to destructive distillation Fu be carried out instant heat regulation according to the pyrolysis situation of biomass among the destructive distillation Fu, adjustability a little less than, easily waste energy.
Summary of the invention
The purpose of this utility model is to overcome defective that homogeneity is relatively poor, adjustability is more weak and the problem to destructive distillation Fu heating that exists in the prior art, and a kind of gasifying stalk pyrolysis oven that homogeneity is better, adjustability is stronger of heating is provided.
For realizing above purpose, technical solution of the present utility model is: a kind of gasifying stalk pyrolysis oven, comprise the wing furnace wall, furnace wall, the end and destructive distillation Fu, the inside of described wing furnace wall is provided with destructive distillation Fu, the top of destructive distillation Fu is provided with cover plate, the bottom of destructive distillation Fu is provided with burner hearth, the bottom of burner hearth is connected with furnace wall, the end, the bottom of furnace wall, the end is connected with ground, the top of ground is connected with the bottom of wing furnace wall, the top of wing furnace wall is connected with the exhausting square tube, be provided with fire-resistant mud layer between the opposite side of exhausting square tube and the cover plate, the middle part of burner hearth is provided with upper furnace door, and the middle part of furnace wall, the end is provided with lower furnace door, be provided with outer cover of steel plate between exhausting square tube and the ground, be provided with the aluminum silicate fiber layer between outer cover of steel plate and the wing furnace wall;
Described gasifying stalk pyrolysis oven also comprises the air inlet unit, this air inlet unit comprises nozzle connection and jet pipe, one end of jet pipe is connected with nozzle connection, the other end communicates with burner hearth behind outer cover of steel plate, aluminum silicate fiber layer, wing furnace wall successively, and the inlet pipe angle that forms between the side of jet pipe and burner hearth is an acute angle; The unitary quantity of described air inlet is at least two, and evenly is provided with along same circumference.
The unitary quantity of described air inlet is three; The size of the inlet pipe angle that forms between the side of described jet pipe and burner hearth is 30 °.
Be provided with intake valve between described jet pipe and the nozzle connection, and intake valve is provided with temperature sensor.
Be provided with No. one the refractory concrete floor between described jet pipe and the wing furnace wall.
The inner tubal wall of described exhausting square tube is provided with internal projection, and the quantity of internal projection is four, and evenly is provided with along same circumference; Being set with cross section on the outer tube wall of described exhausting square tube is the orthogonal gusset, and the two ends of gusset are connected with fire-resistant mud layer, wing furnace wall respectively.
The inside of described fire-resistant mud layer is provided with the reinforcing bar body that is connected with cover plate.
Be provided with the fire grate net between described upper furnace door and the lower furnace door.
Be provided with No. two the refractory concrete floor between described wing furnace wall and the aluminum silicate fiber floor.
Compared with prior art, the beneficial effects of the utility model are:
1, owing to comprise the air inlet unit in a kind of gasifying stalk pyrolysis oven of the utility model, jet pipe in this air inlet unit is successively through outer cover of steel plate, the aluminum silicate fiber layer, communicate with burner hearth behind the wing furnace wall, the inlet pipe angle that forms between the side of jet pipe and burner hearth is an acute angle, simultaneously, the unitary quantity of air inlet is at least two, and evenly be provided with along same circumference, this design can guarantee that the heated air that sprays rotates rising after entering burner hearth from nozzle, and when the gaseous combustion hot stage, be rotating state, improved homogeneity greatly to destructive distillation Fu heating, help the abundant destructive distillation pyrolysis of destructive distillation Fu endogenous substance, especially working as the unitary quantity of air inlet is three, when the size of inlet pipe angle was 30 °, its rotatory was better, heated more even.Therefore the utility model is better to the homogeneity of destructive distillation Fu heating.
2, owing between jet pipe and nozzle connection, be provided with intake valve in a kind of gasifying stalk pyrolysis oven of the utility model, and intake valve is provided with temperature sensor, the gear of intake valve is corresponding with the temperature that temperature sensor records, during use, the temperature that records according to temperature sensor is selected the gear that is fit to, adjust air input in the jet pipe by intake valve according to the gear of selecting again, thereby adjust degree of heat to destructive distillation Fu, and then adjust the temperature that is subjected to of stalk in the destructive distillation Fu, to guarantee under the situation of saving the energy, to realize the abundant pyrolysis of stalk.Therefore the utility model is stronger to the adjustability of destructive distillation Fu heating.
3, owing to be provided with refractory concrete floor between jet pipe and the wing furnace wall, between wing furnace wall and aluminum silicate fiber floor, be provided with No. two the refractory concrete floor in a kind of gasifying stalk pyrolysis oven of the utility model, this design can be guaranteed when destructive distillation Fu is heated, its inside has better seal, thereby the heat that is produced in the time of can making full use of the air inlet body burning of air inlet unit institute, can realize the abundant destructive distillation pyrolysis of stalk in the destructive distillation Fu, not waste energy again.Therefore energy utilization rate of the present utility model is higher.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 be among Fig. 1 A – A to sectional view.
Fig. 3 is the cross sectional representation of exhausting square tube among Fig. 1.
Fig. 4 is the cross sectional representation of gusset among Fig. 1.
Among the figure: wing furnace wall 1, furnace wall, the end 2, lower furnace door 21, destructive distillation Fu 3, cover plate 4, reinforcing bar body 41, burner hearth 5, upper furnace door 51, exhausting square tube 6, internal projection 61, gusset 62, fire-resistant mud layer 7, aluminum silicate fiber layer 8, air inlet unit 9, nozzle connection 91, jet pipe 92, inlet pipe angle 93, intake valve 94, temperature sensor 95, outer cover of steel plate 10,11, numbers refractory concrete floor 12 of ground, 13, No. two refractory concrete floor 14 of fire grate net.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is described in further detail.
Referring to figure 1 – Fig. 4, a kind of gasifying stalk pyrolysis oven, comprise wing furnace wall 1, furnace wall, the end 2 and destructive distillation Fu 3, the inside of described wing furnace wall 1 is provided with destructive distillation Fu 3, the top of destructive distillation Fu 3 is provided with cover plate 4, the bottom of destructive distillation Fu 3 is provided with burner hearth 5, the bottom of burner hearth 5 is connected with furnace wall, the end 2, the bottom of furnace wall, the end 2 is connected with ground 11, the top of ground 11 is connected with the bottom of wing furnace wall 1, the top of wing furnace wall 1 is connected with exhausting square tube 6, be provided with fire-resistant mud layer 7 between the opposite side of exhausting square tube 6 and the cover plate 4, the middle part of burner hearth 5 is provided with upper furnace door 51, and the middle part of furnace wall, the end 2 is provided with lower furnace door 21, be provided with outer cover of steel plate 10 between exhausting square tube 6 and the ground 11, be provided with aluminum silicate fiber layer 8 between outer cover of steel plate 10 and the wing furnace wall 1;
Described gasifying stalk pyrolysis oven also comprises air inlet unit 9, this air inlet unit 9 comprises nozzle connection 91 and jet pipe 92, one end of jet pipe 92 is connected with nozzle connection 91, the other end communicates with burner hearth 5 behind outer cover of steel plate 10, aluminum silicate fiber layer 8, wing furnace wall 1 successively, and the inlet pipe angle 93 that forms between the side of jet pipe 92 and burner hearth 5 is acute angle; The quantity of described air inlet unit 9 is at least two, and evenly is provided with along same circumference.
The quantity of described air inlet unit 9 is three; The size of the inlet pipe angle 93 that forms between the side of described jet pipe 92 and burner hearth 5 is 30 °.
Be provided with intake valve 94 between described jet pipe 92 and the nozzle connection 91, and intake valve 94 is provided with temperature sensor 95.
Be provided with No. one refractory concrete floor 12 between described jet pipe 92 and the wing furnace wall 1.
The inner tubal wall of described exhausting square tube 6 is provided with internal projection 61, and the quantity of internal projection 61 is four, and evenly is provided with along same circumference; Being set with cross section on the outer tube wall of described exhausting square tube 6 is orthogonal gusset 62, and the two ends of gusset 62 are connected with fire-resistant mud layer 7, wing furnace wall 1 respectively.
The inside of described fire-resistant mud layer 7 is provided with the reinforcing bar body 41 that is connected with cover plate 4.
Be provided with fire grate net 13 between described upper furnace door 51 and the lower furnace door 21.
Be provided with No. two refractory concrete floor 14 between described wing furnace wall 1 and the aluminum silicate fiber floor 8.
During use, communicate with source of the gas by the nozzle connection in the air inlet unit 9 91 earlier, then gas is sent in the burner hearth 5 by jet pipe 92, because the quantity of jet pipe 92 is three, and evenly be provided with (generally speaking along same circumference, three jet pipes 92 can satisfy process requirements, and the economic benefit value does not cause waste for optimum) and the size of inlet pipe angle 93 be 30 ° (they being that the angle that jet pipe 92 and its enter between the insertion point tangent line of burner hearth 5 is 30 °), thereby gas rotates rising after 92 li ejaculations of jet pipe, when gaseous combustion has been rotating state during at hot stage, improved homogeneity greatly to destructive distillation Fu 3 heating, nozzle with respect to card edge type is heated more even, the nozzle of card edge type just heats fixed point after all, be prone to the too high situation of local temperature, can not guarantee homogeneity destructive distillation Fu 3 heating.
In the carrying out of heating, can also adjust air input according to the temperature that temperature sensor 95 records, promptly the temperature that records according to temperature sensor 95 is selected suitable gear, adjust air input in the jet pipe 92 by intake valve 94 according to the gear of selecting again, thereby adjust degree of heat to destructive distillation Fu 3, and then adjust the temperature that is subjected to of stalks in the destructive distillation Fu 3, to guarantee under the situation of saving the energy, to realize the abundant pyrolysis of stalk.Generally speaking, intake valve 94 is set at five grades altogether, its corresponding air input is ascending, configure temperature and warm-up time according to the gear correspondence then, when the temperature that records at certain phase temperature transmitter 95 is lower than design temperature, just strengthen air input, on the contrary then anti-, so just can guarantee complete assembly the carrying out smoothly of technology of heating, adjustability is stronger.
Therefore the utility model is not only better to the homogeneity of destructive distillation Fu heating, and adjustability is stronger.
Claims (8)
1. gasifying stalk pyrolysis oven, comprise wing furnace wall (1), furnace wall, the end (2) and destructive distillation Fu (3), the inside of described wing furnace wall (1) is provided with destructive distillation Fu (3), the top of destructive distillation Fu (3) is provided with cover plate (4), the bottom of destructive distillation Fu (3) is provided with burner hearth (5), the bottom of burner hearth (5) is connected with furnace wall, the end (2), the bottom of furnace wall, the end (2) is connected with ground (11), the top of ground (11) is connected with the bottom of wing furnace wall (1), the top of wing furnace wall (1) is connected with exhausting square tube (6), be provided with fire-resistant mud layer (7) between the opposite side of exhausting square tube (6) and the cover plate (4), the middle part of burner hearth (5) is provided with upper furnace door (51), the middle part of furnace wall, the end (2) is provided with lower furnace door (21), be provided with outer cover of steel plate (10) between exhausting square tube (6) and the ground (11), be provided with aluminum silicate fiber layer (8) between outer cover of steel plate (10) and the wing furnace wall (1), it is characterized in that:
Described gasifying stalk pyrolysis oven also comprises air inlet unit (9), this air inlet unit (9) comprises nozzle connection (91) and jet pipe (92), one end of jet pipe (92) is connected with nozzle connection (91), the other end communicates with burner hearth (5) behind outer cover of steel plate (10), aluminum silicate fiber layer (8), wing furnace wall (1) successively, and the inlet pipe angle (93) that forms between the side of jet pipe (92) and burner hearth (5) is an acute angle; The quantity of described air inlet unit (9) is at least two, and evenly is provided with along same circumference.
2. a kind of gasifying stalk pyrolysis oven according to claim 1 is characterized in that: the quantity of described air inlet unit (9) is three; The size of the inlet pipe angle (93) that forms between the side of described jet pipe (92) and burner hearth (5) is 30 °.
3. a kind of gasifying stalk pyrolysis oven according to claim 1 and 2 is characterized in that: be provided with intake valve (94) between described jet pipe (92) and the nozzle connection (91), and intake valve (94) is provided with temperature sensor (95).
4. a kind of gasifying stalk pyrolysis oven according to claim 3 is characterized in that: be provided with a refractory concrete floor (12) between described jet pipe (92) and the wing furnace wall (1).
5. a kind of gasifying stalk pyrolysis oven according to claim 1 is characterized in that: the inner tubal wall of described exhausting square tube (6) is provided with internal projection (61), and the quantity of internal projection (61) is four, and evenly is provided with along same circumference; Being set with cross section on the outer tube wall of described exhausting square tube (6) is orthogonal gusset (62), and the two ends of gusset (62) are connected with fire-resistant mud layer (7), wing furnace wall (1) respectively.
6. a kind of according to claim 1 or 5 gasifying stalk pyrolysis oven is characterized in that: the inside of described fire-resistant mud layer (7) is provided with the reinforcing bar body (41) that is connected with cover plate (4).
7. a kind of gasifying stalk pyrolysis oven according to claim 1 is characterized in that: be provided with fire grate net (13) between described upper furnace door (51) and the lower furnace door (21).
8. a kind of gasifying stalk pyrolysis oven according to claim 1 is characterized in that: be provided with No. two refractory concrete floor (14) between described wing furnace wall (1) and the aluminum silicate fiber floor (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201119471U CN202011856U (en) | 2011-04-16 | 2011-04-16 | Straw gasification pyrolyzing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201119471U CN202011856U (en) | 2011-04-16 | 2011-04-16 | Straw gasification pyrolyzing furnace |
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| Publication Number | Publication Date |
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| CN202011856U true CN202011856U (en) | 2011-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201119471U Expired - Fee Related CN202011856U (en) | 2011-04-16 | 2011-04-16 | Straw gasification pyrolyzing furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103060005A (en) * | 2011-10-21 | 2013-04-24 | 洛阳骏腾能源科技有限公司 | Agricultural waste pyrolyzing furnace |
-
2011
- 2011-04-16 CN CN2011201119471U patent/CN202011856U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103060005A (en) * | 2011-10-21 | 2013-04-24 | 洛阳骏腾能源科技有限公司 | Agricultural waste pyrolyzing furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20150416 |
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| EXPY | Termination of patent right or utility model |