CN107286966A - A kind of solid garbage as resource Application way and system - Google Patents
A kind of solid garbage as resource Application way and system Download PDFInfo
- Publication number
- CN107286966A CN107286966A CN201710553142.4A CN201710553142A CN107286966A CN 107286966 A CN107286966 A CN 107286966A CN 201710553142 A CN201710553142 A CN 201710553142A CN 107286966 A CN107286966 A CN 107286966A
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- gas
- destructive distillation
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- 239000007787 solid Substances 0.000 title claims abstract description 54
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 48
- 238000005336 cracking Methods 0.000 claims abstract description 69
- 238000000197 pyrolysis Methods 0.000 claims abstract description 56
- 239000000428 dust Substances 0.000 claims abstract description 46
- 238000000926 separation method Methods 0.000 claims abstract description 38
- 239000003610 charcoal Substances 0.000 claims abstract description 34
- 239000000203 mixture Substances 0.000 claims abstract description 24
- 238000009833 condensation Methods 0.000 claims abstract description 16
- 230000005494 condensation Effects 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000002485 combustion reaction Methods 0.000 claims abstract description 6
- 238000010248 power generation Methods 0.000 claims abstract description 4
- 239000000470 constituent Substances 0.000 claims abstract description 3
- 238000003860 storage Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 239000003513 alkali Substances 0.000 claims description 38
- 238000010521 absorption reaction Methods 0.000 claims description 32
- 238000007599 discharging Methods 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000000498 cooling water Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims 1
- 230000023556 desulfurization Effects 0.000 claims 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 152
- 239000000126 substance Substances 0.000 abstract description 6
- 239000000567 combustion gas Substances 0.000 abstract description 4
- 238000003763 carbonization Methods 0.000 abstract description 2
- 238000000354 decomposition reaction Methods 0.000 abstract description 2
- 230000009965 odorless effect Effects 0.000 abstract 1
- 239000011269 tar Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 239000002918 waste heat Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- BDOYPFKKGPWJBQ-UHFFFAOYSA-N [N].S=O Chemical compound [N].S=O BDOYPFKKGPWJBQ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 240000007509 Phytolacca dioica Species 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- 238000005507 spraying Methods 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/102—Removal of contaminants of acid contaminants
- C10L3/103—Sulfur containing contaminants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/105—Removal of contaminants of nitrogen
Abstract
The invention discloses a kind of solid garbage as resource Application way and system, by solid refuse by feed arrangement preheating and drying after, feeding destructive distillation device carry out destructive distillation, respectively collect destructive distillation after solid constituent and gas mixture；The gas mixture that the first step is collected again carries out dedusting by cyclone dust collector；Then the gas mixture after dedusting is subjected to condensation separation by Oil-gas Separation condensing unit, tar and cracking gas is collected respectively；The cracking gas of collection is finally subjected to storage or progress combustion power generation after desulphurization denitration processing by desulfuring and denitrifying apparatus.The operation of the present invention is uniformly controlled by PLC logic circuits, it is ensured that the total stability of running.The solid garbage as resource of the present invention can be by solid refuse carbonization decomposition into charcoal, tar, combustion gas equal energy source material using system, odorless in system operation, the harmful substances such as bioxin are not discharged, it is system heat supply, stable, energy-conserving and environment-protective using pyrolysis product.
Description
Technical field
The invention belongs to field of garbage disposal, and in particular to a kind of solid garbage as resource Application way and system.
Background technology
Solid refuse pollution is the problem of facing one of current all cities is increasingly severeer, particularly plastics
The popularization scope of product gradually increases, and the solid refuse pollution in city is had begun to suburb or rural area transfer.It is solid at present
The processing method of body rubbish mainly has three kinds of landfill, burning and recycling.Wherein, landfill have minimum short-term economic into
This, but garbage loading embeading land occupation resource, and with the differentiation of the natural environments such as rainfall, rubbish is easily produced after garbage loading embeading
Penetrating fluid, in turn results in the underground water pollution of large area, and this method has been eliminated substantially at present；Compared to landfill, waste incineration
Land resource pollution is not resulted in not only, while the energy discharged after burning can also be utilized, but due to containing mostly in solid refuse
Have and the constitutionally stable atmosphere pollution such as bioxin is easily produced in poly- chlorohydrocarbon and aromatic hydrocarbon, burning process, easily cause tight
The atmosphere pollution of weight, and by the rubbish institute calorific value of different batches is not quite similar, it is impossible to obtain relatively stable from incinerator
Energy supply, be also easily caused that efficiency of energy utilization is low, the insoluble problem such as equipment depreciation speed is accelerated.
The recycling of solid refuse generally comprises following several ways.First, pass through the source produced in solid refuse
Head carries out strict classification, similar to rubbish progress to recycle, and second, rubbish is manually or mechanically screened, and to screening
Rubbish afterwards carries out a series of cracking reactions such as destructive distillation, converts it into energy substance and reduces the discharge of pollutant or even disappear
Except most pollutants.In view of the current present situation of China, plastic products species is complicated and similarity degree is high each other, difficult
To realize strict classification, therefore it is the mode most easily realized at present that cracking processing is carried out to solid refuse.Solid refuse is in vacuum
Middle reinforcement thermal cracking, will not produce the air pollutants such as bioxin, and can obtain cracking charcoal, tar and combustible gas.But it is existing
Solid refuse cracker disclosed in stage has no effective net mostly only for suppressing the generation of bioxin to pyrolysis product
Change and recycle processing unit.
For the carbonization decomposition of solid refuse, patent 201410751672.6 discloses a kind of method for handling organic waste
And device, this method effectively maintains the advantage of rubbish destructive distillation, saves the energy to a certain extent, but its waste heat recovery work
Skill is tediously long, may increase the almost institute for obtaining garbage cracking in potential faults, and the design of the device in running
There is energy substance to be used to system operation, also can not be to carrying out energy output outside system when refuse thermal value is higher.
The content of the invention
Present invention solves the technical problem that being：For existing solid garbage as resource using the drawbacks described above existed, carry
For a kind of new solid garbage as resource Application way and system, solid refuse can be cracked into charcoal, tar and combustible gas,
And purification process has been carried out to the resource substance in cracking process, dust, sulfide and the nitrogen oxides produced to cracking is carried out
Harmless treatment.
The present invention adopts the following technical scheme that realization：
A kind of solid garbage as resource Application way, comprises the following steps：
The first step, destructive distillation will be carried out after solid refuse preheating and drying, solid constituent and oil gas after destructive distillation are collected respectively mixed
Compound；
Second step, the gas mixture for collecting the first step carry out dedusting；
3rd step, the gas mixture after dedusting is subjected to condensation separation, tar and cracking gas are collected respectively；
4th step, will collection cracking gas carry out desulphurization denitration processing after storage or carry out combustion power generation.
System is utilized present invention additionally comprises a kind of solid garbage as resource of the use above method, including passes sequentially through pipeline
Destructive distillation device 2, cyclone dust collector 3, Oil-gas Separation condensing unit 4, desulfuring and denitrifying apparatus 5 and the cracking gas burning profit of series connection
Use system；
The destructive distillation device 2 is the horizontal gas retort of built-in conveying worm 23, and the gas retort is provided with charging aperture 25
And cracking charcoal discharging opening 24 and gas outlet 27, the charging aperture 25 and cracking charcoal discharging opening 24 are located at conveying worm respectively
23 two ends, the gas outlet 27, which is distributed inside the top for being arranged on gas retort, the gas retort, is provided with heating unit and survey
Warm unit；
The cyclone dust collector 3 is connected by pipeline with gas outlet 27；
The Oil-gas Separation condensing unit 4 uses condensing tower, is connected by pipeline with cyclone dust collector 3, the condensation
Condenser pipe 41 is distributed with the gas channel of tower, the bottom of the condensing tower is connected with tar collecting tank 44；
The desulfuring and denitrifying apparatus 5 uses alkali liquor absorption tower, is connected by pipeline with Oil-gas Separation condensing unit 4, described
The spray system of alkali lye delivery pipe 55, the bottom connection of the alkali liquor absorption tower are communicated with the gas channel of alkali liquor absorption tower
Waste liquid delivery pipe 56；
The gas outlet 54 of the desulfuring and denitrifying apparatus 5 is connected to cracking gas burning by pipeline and utilizes system.
Further, the charging aperture 25 of the destructive distillation device 2 is connected with feed arrangement 1, and the feed arrangement 1 is pre- using band
The screw conveying feeding machine of heated drying unit, the preheating and drying unit is the recirculated water for being arranged on screw conveying feeding machine periphery
The hot water that circulation is passed through in pipe 14, the circulating water pipe 14 is heated to the material of helical feed, the screw conveying feeding
The top of machine is provided with stomata 12 and the vapor collecting pipe 11 connected with stomata 12；The outlet of the screw conveying feeding machine with
Unidirectional inlet valve 13 is set between the charging aperture 25 of destructive distillation device 2, and the cracking charcoal discharging opening 24 is closed using fluid-tight to be set.
Further, the axostylus axostyle two ends of the conveying worm of the destructive distillation device 2 and the rotating dress of gas retort are provided with place
Cooling water water pipe 21, the water side of the cooling water water pipe 21 and the circulating water pipe 14 of feed arrangement are connected.
Further, the heating unit of the destructive distillation device 2 is the resistance heating wire 22 being axially distributed along conveying worm
Or one or both of the intermediate frequency heater being distributed around gas retort is combined, the temperature measuring unit is is evenly distributed on gas retort
Internal thermocouple 26.
Further, the destructive distillation device 2 is provided with air chamber 28, and all gas outlets of destructive distillation device are respectively positioned on air chamber 28
Interior, the air chamber 28 passes through the pipeline communication that sets air exhauster 29 be connected cyclone dust collector.
Further, the cyclone dust collector 3 is the cyclone dust collectors of two-stage series connection, the cyclone dust collectors outer cladding
Vacuum heat-insulating layer 32 is provided with, deduster 33 is drenched in bottom provided with the water for removing collection dust, and the water drenches the water source of deduster 33
It is connected with the outlet of condenser pipe 41 of Oil-gas Separation condensing unit 4.
Further, the Oil-gas Separation condensing unit 4 is included in the condensing tower of thtee-stage shiplock, the condensing tower by separate slot
Plate 45 is divided into a U-shaped gas channel, and the top of the separate slot plate 45 and the upper top cover of upper top cover dividing plate 47 and condensing tower are sealed
Connection, the upper top cover dividing plate 47 is obliquely installed close to condensing tower air inlet side, the bottom of the separate slot plate 45 and condensing tower
Gap is left between bottom；The condenser pipe 41 is fixedly installed in condensing tower down through condenser pipe fixed plate 42, wherein cold
Solidifying water inlet is set close to separate slot plate 45, and condensation-water drain is set away from separate slot plate 45.
Further, the desulfuring and denitrifying apparatus 5 is the alkali liquor absorption tower of two-stage series connection, three built in the alkali liquor absorption tower
The spray system of layer vertical direction, wherein the lower section of shower nozzle 52 of two layers of spray system of lower section is provided with the umbrella top 53 of taper.
In a kind of solid garbage as resource of the present invention is using system, in addition to PLC control modules, the PLC controls
Module and destructive distillation device 2, cyclone dust collector 3, Oil-gas Separation condensing unit 4, desulfuring and denitrifying apparatus 5 and cracking gas burning profit
Connected with the control unit of system by signal.
A kind of solid garbage as resource of the present invention is taken out very using in the process of running first with air exhauster to gas retort
Sky, and temperature in gas retort burner hearth is risen to 700-900 DEG C by resistance heating wire, then start to feed journey by feed arrangement
Solid refuse gradually cracks in gas retort and is gradually transported the rubbish of cracking to cracking charcoal by conveying worm after sequence, charging
Discharging opening, remaining cracking charcoal is delivered to outside gas retort by conveying worm of the end with liquid seal device, can be kept in gas retort
Vacuum and prevent crack charcoal burning.
Cracking gas is imported air chamber by the present apparatus above pyrolysis furnace by multiple gas outlets, can be prevented effectively from cracking gas product
Air pressure rises sharply in gas retort caused by tired.
The cyclone dust collectors of vacuum heat-insulating layer are increased by outer wall and use the condensed water after heating to drench deduster for water
Supply water, can avoid gaseous state tar in the cyclone dust removal stage because temperature drop causes condensation, drenching deduster using water collects cracking ash
Dirt, not only improves the enrichment of dust, it is to avoid dust is lost in, and the leakage of cracking gas can be prevented again.
Oil-gas Separation condensing unit makes its cold because of multi-stage condensing tower and close to the unique design that central condensation pipe is first intake
Solidifying effect is good, because of the presence of separate slot plate, and gas is imported after condensing tower can be common during entering bottom of towe and returning to tower top respectively
Realization is condensed twice, the tar in gaseous component can be kept completely separate and is collected in tar holding vessel.
The absorption tower of desulfuring and denitrifying apparatus is provided with three layers of spray equipment, and alkali lye is contacted with airflow counter-collision, and top spray
The alkali lye of device flow to absorption tower bottom and is discharged, and ensure that the absorption maximum area of air-flow and alkali lye, upper strata spray system
Alkali lye can be used again in lower floor's high density sulfides, the air-flow of nitrogen oxides, alkali lye utilization ratio is high.
In summary, a kind of solid garbage as resource that the present invention is used only needs extraneous supply using system in initial start stage
Electricity, resulting cracking gas and cracking charcoal are energy substance after startup, available for the heating for generating electricity and supplying gas retort.Ben Fafa
Bright described solid refuse utilization system does not produce bioxin in rubbish retort process, and for the dust after destructive distillation and
Sulfide, nitrogen oxides devise the cleaning system fully absorbed, and having carried out purifying to cracking charcoal, tar and cracking gas utilizes,
Beneficial effect with energy-conserving and environment-protective.
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Brief description of the drawings
Fig. 1 utilizes the overall schematic of system for a kind of solid garbage as resource in embodiment.
Fig. 2 be embodiment in feed arrangement structural representation.
Fig. 3 be embodiment in destructive distillation device structural representation.
Fig. 4 be embodiment in cyclone dust collector structural representation.
Fig. 5 be embodiment in Oil-gas Separation condensing unit structural representation.
Fig. 6 be embodiment in desulfuring and denitrifying apparatus structural representation.
Label in figure：
1- feed arrangements, 11- vapor collecting pipes, 12- stomatas, the unidirectional inlet valves of 13-, 14- circulating water pipes；
2- destructive distillation devices, 21- cooling water water pipes, 22- resistance heating wires, 23- conveying worms, 24- cracking charcoal discharging openings,
25- charging apertures, 26- thermocouples, 27- gas outlets, 28- air chambers, 29- air exhausters；
3- cyclone dust collectors, 31- gas accesses, 32- vacuum heat-insulating layers, 33- water drenches deduster；
4- Oil-gas Separation condensing units, 41- condenser pipes, 42- condenser pipe fixed plates, 43- condensing water inlets, 44- tar is received
Collect tank, 45- separate slot plates, 46- upper top covers, 47- upper top cover dividing plates；
5- desulfuring and denitrifying apparatus, 51- air inlets, 52- shower nozzles, 53- umbrellas top, 54- gas outlets, 55- alkali lye delivery pipes, 56-
Waste liquid delivery pipe；
6- pipelines；
7- buffer gas tanks.
Embodiment
Embodiment
Referring to Fig. 1-6, it is illustrated that in a kind of solid garbage as resource utilize preferred scheme of the system for the present invention, specific bag
Include feed arrangement 1, destructive distillation device 2, cyclone dust collector 3, Oil-gas Separation condensing unit 4, desulfuring and denitrifying apparatus 5 and buffering gas
Cabinet 7, wherein feed arrangement 1 are used for waste heat and dried and to the conveying solid substance rubbish of destructive distillation device 2, destructive distillation device 2, cyclone dust collector
3rd, Oil-gas Separation condensing unit 4, desulfuring and denitrifying apparatus 5 pass sequentially through placed in series, and the solid-state cracking of destructive distillation generation is collected respectively
Charcoal, tar and cracking gas, wherein cracking gas are by being delivered to buffer gas tank 7 after desulfuring and denitrifying apparatus 5, then are delivered to cracking gas combustion
Burning utilizes system, and such as jet dynamic control carries out combustion power generation.
Specifically as shown in Fig. 2 the feed arrangement 1 of the present embodiment, which passes through screw conveying feeding machine, completes charging, helical feed
Charger inner peripheral wall is provided with circulating water pipe 14, and as the preheating and drying unit to delivered inside material, inside is passed through circulation
The hot water conduct of circulation, the present embodiment preferably going out circulating water pipe 14 and the conveying worm cooling water pipe in destructive distillation device 2
The mouth of a river is connected, and carries out waste heat drying process to the rubbish in fill process using the cooling residual heat of destructive distillation device, realizes destructive distillation
UTILIZATION OF VESIDUAL HEAT IN, reduce equipment energy consumption.
Stomata 12 is provided with above screw conveying feeding machine, stomata 12 is connected with vapor collecting pipe 11, for solid rubbish
The collection of vapor when rubbish is dried.Charging aperture below the outlet of conveying worm end with destructive distillation device is provided with unidirectional charging
Valve 13, unidirectional inlet valve 13 is remained off using spring assembly, and valve is beaten under material gravity effect when there is material on valve top
Open, the vacuum of the gas retort for the destructive distillation device being attached thereto can be kept.
It is specific as shown in figure 3, destructive distillation device 2 is the horizontal gas retort of built-in conveying worm 23, gas retort be provided with into
Material mouth 25 is docked with feed arrangement 1, is additionally provided with gas retort collects the He of cracking charcoal discharging opening 24 that solid cracks charcoal respectively in addition
The gas outlet 27 for the gas mixture gaseous component that cracking is produced is collected, charging aperture 25 and cracking charcoal discharging opening 24 are located at respectively
The two ends of conveying worm 23,5-8 gas outlet 27 is distributed the top for being arranged on gas retort, and is filled with follow-up cyclone dust removal
Put 3 to connect by pipeline, air chamber 28 be provided with destructive distillation device 2, all gas outlets of destructive distillation device are respectively positioned in air chamber 28,
The gas mixture that cracking is produced is entered in air chamber by gas outlet 27, and air chamber 28 is by setting air exhauster 29 with being connected rotation
The pipeline communication of wind dust arrester, realizes that the unified of gas mixture collects conveying, can be prevented effectively from the localized clusters of cracking gas.
In order to keep vacuum when destructive distillation is carried out inside gas retort, pass through between the charging aperture and feed arrangement of gas retort
Unidirectional inlet valve 13 is sealed, and the connection air chamber 28 of gas outlet 27 sets air exhauster 29, and air exhauster 29 can be by before gas retort operation
Vacuumized in stove, the gas mixture that discharge cracking in time is produced in running, cracking charcoal discharging opening 24 is used to export cracking
Cracking charcoal afterwards, in order to avoid extraneous air enters gas retort from cracking charcoal discharging opening 24, the present embodiment will crack charcoal discharging opening
24 carry out fluid-tight, will crack charcoal discharging opening and be arranged on below the liquid level of collection vessel, are set in the bottom of cracking charcoal discharging opening
Cracking charcoal, can be expelled to and emerge by desanding spiral from discharging opening.
Heating unit and temperature measuring unit are provided with inside gas retort；Mode of heating on gas retort is varied, this reality
Heating unit that example uses is applied for along the conveying worm axially resistance heating wire 22 of distribution or the intermediate frequency being distributed around gas retort
One or both of heater is combined, and operating temperature is 650-900 DEG C, temperature measuring unit is then distributed in destructive distillation for homogenous segmentations
The 3-4 thermocouple 26 of furnace interior, carries out comprehensive temperature monitoring to each position of gas retort inside respectively.
Conveying worm 23 is placed in gas retort, and the rotation of its screw spindle two ends is assemblied on the furnace wall at gas retort two ends,
In order to avoid the high temperature inside gas retort makes rotary mounting structure deform, the present embodiment is also in the spiral transferring of destructive distillation device 2
Send the axostylus axostyle two ends of machine and the rotating dress of gas retort to be provided with cooling water water pipe 21 with place, led to by the water inlet pipe of cooling water water pipe 21
Enter cooling water, while the circulating water pipe 14 of the outlet pipe of cooling water water pipe 21 and feed arrangement is connected, utilize what is absorbed at this
Gas retort waste heat carries out preheating and drying to the rubbish of feed arrangement delivered inside.
Gas mixture gaseous component after destructive distillation is exported after gas retort from gas outlet 27 and air chamber 28 from air exhauster 29,
Cyclone dust collector 3 is entered by pipeline 6, specifically as shown in figure 4, cyclone dust collector 3 is the cyclone dust collectors of two-stage series connection,
Cyclone dust collectors outer cladding is provided with vacuum heat-insulating layer 32, it is to avoid the temperature drop of gas mixture gaseous component is too fast, bottom
Deduster 33 is drenched provided with the water for removing collection dust, water drenches the water source of deduster 33 and the condenser pipe of Oil-gas Separation condensing unit 4
41 outlet connections, by the hot water after condensing heat-exchange to being incubated inside deduster at whirlwind, it is to avoid cause because temperature is reduced
Tar in gas mixture is condensed in advance.Cyclone dust collectors are existing conventional cleaner, and the present embodiment is not herein to whirlwind
Concrete structure inside deduster is repeated.
The gaseous component of gas mixture is completed after dedusting by pipeline 6 into Oil-gas Separation condensing unit 4, specific as schemed
Shown in 5, Oil-gas Separation condensing unit 4 carries out condensation separation using condensing tower to the tar in gas mixture, the present embodiment
Oil-gas Separation condensing unit 4 includes the condensing tower of thtee-stage shiplock, and every grade of condensing tower internal structure is identical.Specifically, condensing tower
Top is sealed by upper top cover 46, and bottom is docked with tar collecting tank 44, by two parallel condenser pipes up and down inside condensing tower
The tar that fixed plate 42 is fixedly installed in the condenser pipe 41 of snakelike distribution, the gaseous component of gas mixture passes through condensing tube condensation
Fallen into liquid phase in the tar collecting tank 44 of bottom.
In the present embodiment, a U-shaped gas channel is divided into by separate slot plate 45 in condensing tower, the top of separate slot plate 45 with it is upper
The upper top cover of top cover dividing plate 47 and condensing tower is tightly connected, and upper top cover dividing plate 47 tilts 20-30 ° close to condensing tower air inlet side
Set, effectively air inlet can be introduced into condensing tower, and be conducive to outlet to be enriched with to top, bottom and the condensing tower bottom of separate slot plate 45
Gap is left between portion, the air inlet of condensing tower and gas outlet are respectively positioned at the both sides top of separate slot plate 45, into condensing tower
The gas mixture gaseous component in portion enters after condensing tower, and the bottom of condensing tower, downward process are oriented to by upper top cover dividing plate 47
In contacted with condenser pipe generation first time chilled contact, gas mixture gaseous component pass through separate slot plate 45 with condensation tower bottom
Gap after rise at the top of condensing tower, occur second of chilled contact with condenser pipe, effectively increase in gas mixture
Tar condensing efficiency.
Wherein condensing water inlet is set close to separate slot plate 45, and condensation-water drain is set away from separate slot plate 45.Condensed water is self cooling
Solidifying water inlet 43 enters after condenser pipe 41, first passes through from the condenser pipe near condensing tower separate slot plate 45, finally from air inlet side
Discharge, is conducive to the condensation of tar to concentrate near separate slot plate 45, and secondary to gaseous component progress in a condensing tower
Condensation, improves condensation efficiency.
The water that water after being exchanged heat in condenser pipe 41 sends into cyclone dust collector bottom from delivery port drenches deduster 33, is carrying out
While its dust collected of dedusting is rinsed, the heat that can be produced using condensing heat-exchange is incubated to cyclone dust collectors.
Complete the cracking gas after Oil-gas Separation and the progress purified treatment of desulfuring and denitrifying apparatus 5 is entered by pipeline 6, it is specific as schemed
Shown in 6, desulfuring and denitrifying apparatus 5 is absorbed using alkali liquor absorption tower to the nitrogen oxysulfide in cracking gas.The present embodiment it is de-
Sulphur denitrification apparatus 5 includes the alkali liquor absorption tower of two-stage series connection, and two-stage alkali liquor absorption tower internal structure is identical, and air inlet 51 is located at alkali
The bottom on liquid absorption tower, gas outlet 54 is located at the top of alkali liquor absorption tower, and the air inlet 51 of one-level alkali liquor absorption tower passes through pipeline
It is connected with Oil-gas Separation condensing unit, the gas outlet of one-level alkali liquor absorption tower passes through pipeline with the air inlet of two grades of alkali liquor absorption towers
6 series connection, the cracking gas after the gas outlet output purification of two grades of alkali liquor absorption towers.In three layers of vertical direction built in alkali liquor absorption tower
Spray system, every layer of spray system includes the shower nozzle 52 of connection alkali lye delivery pipe 55, and the downward atomized spray alkali lye of shower nozzle 52 is right
Nitrogen oxysulfide in upward cracking gas is absorbed, the bottom connection waste liquid delivery pipe 56 of alkali liquor absorption tower.Under wherein
The lower section of shower nozzle 52 of two layers of spray system of side is provided with the umbrella top 53 of taper, the alkali lye impingement umbra top 53 that top shower nozzle 52 sprays to
Surrounding is disperseed, and can increase the contact area of alkali lye and combustion gas, improves the absorption efficiency of alkali lye, the alkali lye after ejection is in Action of Gravity Field
Under fall into absorption tower bottom, absorption tower is discharged by waste liquid delivery pipe 56.
What the gas outlets 54 of two grades of alkali liquor absorption towers was exported is the clean cracking gas after purification, can directly be stored or
Carry out burning utilization.The gas outlet 54 of two grades of alkali liquor absorption towers of the desulfuring and denitrifying apparatus 5 of the present embodiment connects slow by pipeline
Qi of chong channel ascending adversely cabinet 7, is delivered to cracking gas burning by cracking gas and utilizes system, such as jet dynamic control.Splitting after being purified through desulphurization denitration
Buffered gas holder 7 of venting one's spleen imports jet dynamic control, to ensure the stability of gas supply, in buffer gas tank 7 and fuel gas generation
Installed between unit in electric flow control valve door, generating set steam box and air pressure sensor is installed.
The solid garbage as resource of the present embodiment also includes PLC control modules using system, and PLC control modules are filled with destructive distillation
Put the control of 2, cyclone dust collector 3, Oil-gas Separation condensing unit 4, desulfuring and denitrifying apparatus 5 and cracking gas burning using system
Unit is connected by signal, and above-mentioned control unit includes the start-up and shut-down control unit of each device, the computer heating control list of destructive distillation device
Member, thermometric control unit, between destructive distillation device and feed arrangement and between cyclone dust collector and Oil-gas Separation condensing unit
Water circulation control unit, the fast speed control unit of spray of desulfuring and denitrifying apparatus and cracking gas burning using system air pressure
Control unit etc..It is existing conventional Programmable control technology on PLC control modules, those skilled in the art can be according to difference
Operating mode carry out the design of logic control program, the present embodiment will not be described here.
Comprised the following steps using the above-mentioned solid garbage as resource of the present embodiment using the method for system：
The first step, by solid refuse in feed arrangement 1 after preheating and drying, feeding destructive distillation device 2 carries out destructive distillation, receives respectively
Collect solid cracking charcoal and gas mixture after destructive distillation；
Second step, the gas mixture for collecting the first step carry out dedusting in cyclone dust collector 3；
3rd step, the gas mixture after dedusting is subjected to condensation separation in Oil-gas Separation condensing unit 4, collected respectively
Tar and cracking gas；
4th step, the cracking gas of collection carried out in desulfuring and denitrifying apparatus 5 to store or fired after desulphurization denitration processing
Burn and generate electricity.
A set of medium scale solid garbage as resource utilizes system, including feed auger to convey charger, gas retort, split
Solve charcoal conveying worm, one cyclonic deduster, second cyclone dust extractor, one-level Oil-gas Separation condenser, two grades of Oil-gas Separations
Condenser, three-level Oil-gas Separation condenser, first grade desulfurizing denitration absorption tower, two-grade desulfurizing denitration absorption tower, buffer gas tank and combustion
Gas generating set
Wherein gas retort total length is 6m, and the air chamber of 4m length is welded at top, and air chamber bottom provided with 8 gas outlets with
Gas retort is communicated, and center is provided with conveying worm, spiral shell to gas outlet in 0.5m, diameter 0.1m. gas retorts between any two
It is 0.18m to revolve conveyer pitch, and helical blade overall length is 4.68m, and helical axis overall length is 5.8m, and cracking charcoal discharging opening is arranged at spiral shell
Conveyer end is revolved, long 0.5m, wide 0.46m, cracking charcoal conveying worm are connected with cracking charcoal discharging opening, crack charcoal helical feed
Casing layer sets cooling device, and conveying worm end sets liquid seal device, prevents from cracking charcoal spontaneous combustion.
It is 4.05m that cyclone dust collectors, Oil-gas Separation condenser and desulphurization denitration, which absorb tower height degree, it is characterized in that, whirlwind
Deduster taper bin length is 2.03m, and it is 0.54m that the water of bottom, which drenches dust arrester thickness, its water drench dust arrester with water come
Come from the condensed water of I and II Oil-gas Separation condenser.
Oil-gas Separation condensing tower internal diameter is 1.38m, the condensate pipe of built-in 76 back to the horizontal direction, two pipeline fixed plates it
Between distance be 3.0m, condensation tower bottom install tar collecting tank.
Desulphurization denitration absorption tower internal diameter 1.60m, each spraying layer is the alkali lye after 1.30m, spray with umbrella top/bottom part distance
Export is concentrated by the waste liquid delivery pipe for absorbing tower bottom.
A set of solid garbage as resource according to designed by above parameter is utilized in system, controls destructive distillation furnace temperature 680-
780 DEG C, 30 tons of rubbish of day processing, startup power 180kw, cracking gas is used for jet dynamic control and generated electricity entirely, with what is relatively stablized
After gas supply, combustion gas generates electricity with cracking charcoal burning can be enough the stable operation of supply system, and solid refuse of the present invention is provided
Sourceization is using system Construction into after a large amount of processing equipments, and the cost of garbage disposal per ton will be reduced further, energy recovery effect
Rate also will be further increased.
Embodiment above describes the general principle and principal character and advantages of the present invention of the present invention, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The concrete operating principle of invention, without departing from the spirit and scope of the present invention, the present invention also have various change and changed
Enter, these changes and improvements all fall within the protetion scope of the claimed invention, the claimed scope of the invention is by appended right
Claim and its equivalent thereof.
Claims (10)
1. a kind of solid garbage as resource Application way, it is characterised in that comprise the following steps：
The first step, destructive distillation will be carried out after solid refuse preheating and drying, solid constituent and gas mixture after destructive distillation are collected respectively；
Second step, the gas mixture for collecting the first step carry out dedusting；
3rd step, the gas mixture after dedusting is subjected to condensation separation, tar and cracking gas are collected respectively；
4th step, will collection cracking gas carry out desulphurization denitration processing after storage or carry out combustion power generation.
2. a kind of solid garbage as resource utilizes system, it is characterised in that：Destructive distillation device including passing sequentially through placed in series
(2), cyclone dust collector (3), Oil-gas Separation condensing unit (4), desulfuring and denitrifying apparatus (5) and cracking gas burning utilize system
System；
The destructive distillation device (2) is the horizontal gas retort of built-in conveying worm (23), and the gas retort is provided with charging aperture
(25) and cracking charcoal discharging opening (24) and gas outlet (27), the charging aperture (25) and crack charcoal discharging opening (24) and distinguish position
Two ends in conveying worm (23), gas outlet (27) distribution is arranged on inside the top of gas retort, the gas retort
Provided with heating unit and temperature measuring unit；
The cyclone dust collector (3) is connected by pipeline with gas outlet (27)；
The Oil-gas Separation condensing unit (4) uses condensing tower, is connected by pipeline with cyclone dust collector (3), the condensation
Condenser pipe (41) is distributed with the gas channel of tower, the bottom of the condensing tower is connected with tar collecting tank (44)；
The desulfuring and denitrifying apparatus (5) uses alkali liquor absorption tower, is connected by pipeline with Oil-gas Separation condensing unit (4), described
The spray system of alkali lye delivery pipe (55) is communicated with the gas channel of alkali liquor absorption tower, the bottom of the alkali liquor absorption tower connects
Connect waste liquid delivery pipe (56)；
The gas outlet (54) of the desulfuring and denitrifying apparatus (5) is connected to cracking gas burning by pipeline and utilizes system.
3. a kind of solid garbage as resource according to claim 2 utilizes system, the charging aperture of the destructive distillation device (2)
(25) it is connected with feed arrangement (1), the feed arrangement (1) uses the screw conveying feeding machine with preheating and drying unit, described
Preheating and drying unit is to be passed through stream in the circulating water pipe (14) for being arranged on screw conveying feeding machine periphery, the circulating water pipe (14)
Logical hot water is heated to the material of helical feed, the top of the screw conveying feeding machine provided with stomata (12) and with gas
The vapor collecting pipe (11) of hole (12) connection；The outlet of the screw conveying feeding machine and the charging aperture of destructive distillation device (2)
(25) unidirectional inlet valve (13) is set between, and the cracking charcoal discharging opening (24) is closed using fluid-tight to be set.
4. a kind of solid garbage as resource according to claim 3 utilizes system, the helical feed of the destructive distillation device (2)
The axostylus axostyle two ends of machine and the rotating dress of gas retort are provided with cooling water water pipe (21), the water side of the cooling water water pipe (21) with place
It is connected with the circulating water pipe (14) of feed arrangement.
5. a kind of solid garbage as resource according to claim 2 utilizes system, the heating unit of the destructive distillation device (2)
For along conveying worm axially distribution resistance heating wire (22) or around gas retort be distributed intermediate frequency heater in one kind or
Two kinds of combinations, the temperature measuring unit is to be evenly distributed on the thermocouple (26) inside gas retort.
6. a kind of solid garbage as resource according to claim 2 utilizes system, the destructive distillation device (2) is provided with air chamber
(28), all gas outlets of destructive distillation device are respectively positioned in air chamber (28), the air chamber (28) by set air exhauster (29) with
Connect the pipeline communication of cyclone dust collector.
7. a kind of solid garbage as resource according to claim 2 utilizes system, the cyclone dust collector (3) is two-stage
The cyclone dust collectors of series connection, the cyclone dust collectors outer cladding is provided with vacuum heat-insulating layer (32), and bottom is grey provided with collection is removed
The water of dirt drenches deduster (33), and the water drenches the water source of deduster (33) and the condenser pipe (41) of Oil-gas Separation condensing unit (4)
Outlet connection.
8. a kind of solid garbage as resource according to claim 2 utilizes system, Oil-gas Separation condensing unit (4) bag
Include in the condensing tower of thtee-stage shiplock, the condensing tower and a U-shaped gas channel, the separate slot plate (45) are divided into by separate slot plate (45)
Top and the upper top cover of upper top cover dividing plate (47) and condensing tower be tightly connected, the upper top cover dividing plate (47) is entered close to condensing tower
Gas port side is obliquely installed, and gap is left between the bottom of the separate slot plate (45) and condensation tower bottom；
The condenser pipe (41) is fixedly installed in condensing tower down through condenser pipe fixed plate (42), and wherein condensing water inlet is leaned on
Nearly separate slot plate (45) is set, and condensation-water drain is set away from separate slot plate (45).
9. a kind of solid garbage as resource according to claim 2 utilizes system, the desulfuring and denitrifying apparatus (5) is two-stage
The alkali liquor absorption tower of series connection, the spray system of three layers of vertical direction built in the alkali liquor absorption tower, wherein two layers of spray of lower section
The umbrella top (53) of taper is provided with below the shower nozzle (52) of system.
10. a kind of solid garbage as resource according to any one of claim 4-9 utilizes system, in addition to PLC controls
Module, the PLC control modules take off with destructive distillation device (2), cyclone dust collector (3), Oil-gas Separation condensing unit (4), desulfurization
Nitre device (5) and cracking gas burning are connected using the control unit of system by signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710553142.4A CN107286966A (en) | 2017-07-07 | 2017-07-07 | A kind of solid garbage as resource Application way and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710553142.4A CN107286966A (en) | 2017-07-07 | 2017-07-07 | A kind of solid garbage as resource Application way and system |
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| CN113817485A (en) * | 2021-10-20 | 2021-12-21 | 济南恒誉环保科技股份有限公司 | Solid pyrolysis product heat energy conversion discharging device |
| CN115386400A (en) * | 2022-09-19 | 2022-11-25 | 光大环境科技（中国）有限公司 | System and method for preparing hydrogen from organic garbage |
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Application publication date: 20171024 |