A kind of pyrolysis plant flue gas heat recovery system
Technical field
The utility model relates to Sludge in Oilfields pyrolysis processing fields more particularly to a kind of pyrolysis plant flue gas heat to return
Receipts system.
Background technique
" greasy filth pyrolysis processing technique " is a kind of effective ways of disposal of oily sludge, and principle is in greasy filth pyrolysis processing
Indirect heating manner is used in device, and indirect heating is carried out to greasy filth, the ingredients such as oil therein, water are vaporized, heat phase separation row
Entering separator after the vapor condensation removed, the oil of separation and recovery can be used as fuel oil utilization, and the water after separation can be recycled,
The purified processing of the on-condensible gas that separation generates hot mutually can be used as fuel combustion, the technique be suitable for desiccation greasy filth (aqueous 30% with
Under) and oily waste processing, its main feature is that industrial continuous, suction type, fixed gas recycling be used as fuel, oily waste
Processing thoroughly, belongs to oily waste and administers new technology, new process, new equipment, but in order to enable greasy filth pyrolysis installation section
Learn, rationally, efficient operation, reduce production run cost, increase economic benefit, therefore develop more than a kind of oil-sludge treatment device flue gas
The power-economizing method that recuperation of heat utilizes can be only achieved object above.
Summary of the invention
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of pyrolysis plant cigarette proposed
Gas heat recovery system.
To achieve the goals above, the utility model adopts the technical scheme that a kind of pyrolysis plant flue gas heat is returned
Receipts system, including pyrolysis reactor, combustion mechanism and hot air apparatus are provided on the left of the pyrolysis reactor, and the pyrolysis is anti-
It answers and is provided with waste-heat recoverer on the right side of device, the waste-heat recoverer is internally provided with heat absorption bobbin carriage and heat release bobbin carriage, described
Backheat blower is fixedly installed at the top of pyrolysis reactor.
It is as above-mentioned technical proposal to further describe:
The heat absorption bobbin carriage is located at the lower section of heat release bobbin carriage, and during the centre of heat absorption bobbin carriage and heat release bobbin carriage is fixedly installed with
Between heat conduction baffle.
It is as above-mentioned technical proposal to further describe:
Fixed mounting plate is fixedly installed on the side wall of the waste-heat recoverer, the upper surface of the fixed mounting plate is fixed
Exhaust fan is installed, the import of the exhaust fan is fixedly installed with intake stack, and the outlet of the exhaust fan is fixedly installed with out
Air piping, and wind pipe extends to the inside of waste-heat recoverer far from one end of exhaust fan.
It is as above-mentioned technical proposal to further describe:
Solid waste recycling bins are fixedly installed on the right side wall of the pyrolysis reactor, the solid waste recycling bins
Flue is fixedly installed on side wall, the one end of the flue far from solid waste recycling bins is connected with waste-heat recoverer.
It is as above-mentioned technical proposal to further describe:
The import of the backheat blower is fixedly installed with the second heat supply pipeline, and the second heat supply pipeline is far from backheat blower
One end is connected with waste-heat recoverer, and the outlet of the backheat blower is fixedly installed with the first heat supply pipeline, and the first defeated heat pipe
The one end of road far from backheat blower is connected with hot air apparatus.
It is as above-mentioned technical proposal to further describe:
The combustion mechanism is located at the left side of hot air apparatus, and passes through connecting pipe phase between combustion mechanism and hot air apparatus
It connects.
The utility model has the following beneficial effects:
Compared with prior art, the pyrolysis plant flue gas heat recovery system, by oily sludge high temperature pyrolysis device outside
Smoke discharging heat recovery process equipment, for pyrolysis installation provide hot-air carry out it is combustion-supporting, realize energy-efficient purpose, drop
Low production run cost, increases economic benefit, which is different from conventional flue gas heat recovery process equipment,
Conventional flue gas heat recovery process equipment is mainly for fire coal, fuel oil, combustion gas flue gas waste heat recovery, and this is using novel
The flue gas heat recovery generated for fixed gas (oil gas) burning that the pyrolysis of desiccation greasy filth generates.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of pyrolysis plant flue gas heat recovery system overall structure diagram;
Fig. 2 be the utility model proposes a kind of pyrolysis plant flue gas heat recovery system waste-heat recoverer cross-sectional view.
Marginal data:
1, pyrolysis reactor;2, combustion mechanism;3, hot air apparatus;4, waste-heat recoverer;5, absorb heat bobbin carriage;6, heat outting pipe
Case;7, intermediate thermal conductivity partition;8, backheat blower;9, fixed mounting plate;10, exhaust fan;11, intake stack;12, wind pipe;
13, solid waste recycling bins;14, flue;15, the first heat supply pipeline;16, the second heat supply pipeline;17, connecting pipe.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention;Term " first ", " the
Two ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance, in addition, unless otherwise specific
Regulation and restriction, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to
It is detachably connected, or is integrally connected;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, can also lead to
It crosses intermediary to be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be with
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Referring to Fig.1-2, a kind of pyrolysis plant flue gas heat recovery system provided by the utility model: including pyrolysis reactor
1, the left side of pyrolysis reactor 1 is provided with combustion mechanism 2 and hot air apparatus 3, and the recycling that has surplus heat is arranged in the right side of pyrolysis reactor 1
Device 4, waste-heat recoverer 4 are internally provided with heat absorption bobbin carriage 5 and heat release bobbin carriage 6, and the top of pyrolysis reactor 1 is fixedly installed with back
Air-heater 8, waste-heat recoverer 4 are the cores of the process equipment, by flue 14, heat absorption bobbin carriage 5, intermediate thermal conductivity partition 7, are put
Heat pipe case 6, air duct composition, bobbin carriage main component heat pipe use full finned tube, are conducive to fully absorb flue gas heat,
It is also convenient for maintenance replacement, waste-heat recoverer 4 is mainly used for high-temperature flue gas heat recovery, and exchanges heat with cold air, makes its acquisition
Certain heat, for greasy filth pyrolysis installation provide preheated air carry out it is combustion-supporting, energy-efficient purpose is reached with this.
Heat absorption bobbin carriage 5 is located at the lower section of heat release bobbin carriage 6, and during the centre of absorb heat bobbin carriage 5 and heat release bobbin carriage 6 is fixedly installed with
Between heat conduction baffle 7, be fixedly installed with fixed mounting plate 9 on the side wall of waste-heat recoverer 4, the upper surface of fixed mounting plate 9 is fixed
Exhaust fan 10 is installed, the import of exhaust fan 10 is fixedly installed with intake stack 11, and the outlet of exhaust fan 10 is fixedly installed with out
Air piping 12, and wind pipe 12 extends to the inside of waste-heat recoverer 4 far from one end of exhaust fan 10, pyrolysis reactor 1
It is fixedly installed with solid waste recycling bins 13 on right side wall, flue 14 is fixedly installed on the side wall of solid waste recycling bins 13,
The one end of flue 14 far from solid waste recycling bins 13 is connected with waste-heat recoverer 4, and the import of backheat blower 8 is fixedly installed with
Second heat supply pipeline 16, and the one end of the second heat supply pipeline 16 far from backheat blower 8 is connected with waste-heat recoverer 4, backheat wind
The outlet of machine 8 is fixedly installed with the first heat supply pipeline 15, and the one end of the first heat supply pipeline 15 far from backheat blower 8 and hot wind fill
It sets 3 to be connected, combustion mechanism 2 is located at the left side of hot air apparatus 3, and passes through connecting pipe between combustion mechanism 2 and hot air apparatus 3
17 are connected.
Working principle: in use, the outlet high-temperature flue gas inside waste-heat recoverer 4 is delivered to waste heat by flue 14
Recover 4, high-temperature flue gas enter waste-heat recoverer 4 and wash away heat absorption 5 heat pipe of bobbin carriage, and heat pipe absorbs the heat of high-temperature flue gas, heat pipe
The heat of absorption is conducted to the heat pipe of heat release bobbin carriage 6, flue-gas temperature is controlled at 850~1000 DEG C;Cold air from top to bottom into
Enter air duct and wash away 6 heat pipe of heat release bobbin carriage, the 6 heat pipe heat release of heat release bobbin carriage, cold air endothermic temperature increases, and hot-air is by backheat
Blower 8 is delivered to hot-air transportation system, and hot-air enters the matched hot air apparatus of combustion mechanism 2 by hot-air transportation system
3, for greasy filth pyrolysis installation provide preheated air carry out it is combustion-supporting, energy-efficient purpose is reached with this.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.