CN107894000A - A kind of thermal desorption system of domestic garbage incineration flyash - Google Patents
A kind of thermal desorption system of domestic garbage incineration flyash Download PDFInfo
- Publication number
- CN107894000A CN107894000A CN201711375695.1A CN201711375695A CN107894000A CN 107894000 A CN107894000 A CN 107894000A CN 201711375695 A CN201711375695 A CN 201711375695A CN 107894000 A CN107894000 A CN 107894000A
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- Prior art keywords
- centrifuge
- domestic garbage
- outlet
- garbage incineration
- phase outlet
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- 238000003795 desorption Methods 0.000 title claims abstract description 51
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 25
- 239000010881 fly ash Substances 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000007790 solid phase Substances 0.000 claims abstract description 17
- 238000005406 washing Methods 0.000 claims abstract description 12
- 239000007791 liquid phase Substances 0.000 claims abstract description 11
- 239000007792 gaseous phase Substances 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 38
- 230000008676 import Effects 0.000 claims description 8
- 238000005338 heat storage Methods 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims 1
- 230000008020 evaporation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 239000004568 cement Substances 0.000 abstract description 7
- 238000004056 waste incineration Methods 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 239000002994 raw material Substances 0.000 description 7
- 235000002639 sodium chloride Nutrition 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 4
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 241000370738 Chlorion Species 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 235000011164 potassium chloride Nutrition 0.000 description 2
- 239000001103 potassium chloride Substances 0.000 description 2
- -1 salt compounds Chemical class 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
- F23G7/066—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator
- F23G7/068—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator using regenerative heat recovery means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/30—Solid combustion residues, e.g. bottom or flyash
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention discloses a kind of thermal desorption system of domestic garbage incineration flyash, including water washing tank, desorption device, MVR vapo(u)rization systems and heat accumulating type incinerator, the discharge outlet of the water washing tank is connected with the first centrifuge, the solid-phase outlet connection desorption device of first centrifuge, the gaseous phase outlet of the desorption device connect the heat accumulating type incinerator by vavuum pump；The liquid-phase outlet of first centrifuge connects the second centrifuge, the solid-phase outlet connection desorption device of second centrifuge, the liquid-phase outlet connection MVR vapo(u)rization systems of second centrifuge, the liquid-phase outlet connection water washing tank of the MVR vapo(u)rization systems.The handling process of the present invention, the process processing that can be directly applied to after waste incineration, avoid having to the limitation that could implement by cement kiln first, and the scope that it can be applied is wider, realize domestic garbage incineration flyash whole recycling, innoxious.
Description
Technical field
The present invention relates to garbage flying ash process field, more particularly to a kind of thermal desorption system of domestic garbage incineration flyash.
Background technology
At present, environmental pollution is the most important problem faced in modern production, life, nowadays to the rubbish in life
Processing is broadly divided into landfill and burned, and easily middle pollutant goes underground during landfill, contaminated soil, therefore more extensive
By waste incineration, need to keep higher temperature first, in combustion process, and existing thermal source mainly uses natural gas, energy
Consumption is higher, and a large amount of flying dust solid particles are produced after waste incineration, and the processing of solid particle is also particularly critical.
Contain a variety of chemical substances in incineration of refuse flyash, if directly by fly ash emission, chemicals present in flying dust
Matter easily brings secondary pollution, such as heavy metal pollution, chloride ion contamination , bioxin etc. to environment, and studies and find, in flying dust not
But there is heavy metal, also in the presence of substantial amounts of salt compounds, in present industrial production, salt compounds are also important industry
Raw material, it is therefore desirable to the raw material of industry can be extracted simultaneously and remove the processing system of harmful substance.
Existing refuse disposal system be it is unified collect, by burner combustion, after by cement kiln secondary clacining
After discharge, still, its caused problem is：
1. municipal refuse quantum of output is very big, unified collect to specified incineration plant can be realized, still, not all
Incineration plant near can have the setting in cement plant, and the calcining of cement kiln is committed step in this system, forms circulation and forges
Burning process, in a city may all no cement plant coordinate calcination system, therefore, only can be suitably used for specific area；
2. substantial amounts of chlorion in the flying dust after waste incineration be present, will shadow if flying dust is directly used in into production cement
The quality of Xiangshui County's mud, and the chlorion in flying dust is predominantly in the form of sodium chloride and potassium chloride, sodium chloride and potassium chloride are all
It is the raw material of industry, direct emission point not only pollutes environment, also results in the wasting of resources.
The content of the invention
With reference to the deficiencies in the prior art, the invention provides a kind of thermal desorption system of domestic garbage incineration flyash, and it is solved
The raw material of industry that certainly system in combination is cumbersome in existing system, treatment effeciency is low, beneficial, which is difficult to reclaim, and application is small asks
Topic.
The purpose of the present invention is achieved through the following technical solutions：
A kind of thermal desorption system of domestic garbage incineration flyash, including water washing tank, desorption device, MVR vapo(u)rization systems and storage
Hot type incinerator, the discharge outlet of the water washing tank are connected with the first centrifuge, the solid-phase outlet connection of first centrifuge
Desorption device, the gaseous phase outlet of the desorption device connect the heat accumulating type incinerator by vavuum pump；
The liquid-phase outlet of first centrifuge connects the second centrifuge, and the solid-phase outlet connection of second centrifuge is de-
Adnexa, the liquid-phase outlet connection MVR vapo(u)rization systems of second centrifuge, the liquid-phase outlet connection water of the MVR vapo(u)rization systems
Cleaning of evaporator.
Further, the desorption device includes frame, and the frame is provided with the tank body set up by hollow shaft, the tank
Body includes the cavity by being formed including inner bag and shell, and the symmetrical side of the tank body is provided with opening, the sky of the side of the tank body
The heat source import being connected with cavity is provided with mandrel and refluxing opening, the hollow shaft of the opposite side of the tank body are driven by motor,
And the exhaust tube connected with tank interior is provided with hollow shaft.
Further, the end that the exhaust tube is arranged in tank body is provided with vacuum filter.
Further, the end that the exhaust tube is placed in outside tank body is provided with adapter and pressure vacuum gauge.
Further, the system is additionally provided with drier, and the solid phase of charging aperture the first centrifuge of connection of the drier goes out
Mouthful, the import of the discharging opening connection desorption device of the drier, the air inlet of the drier connects the heat accumulating type incinerator
Exhaust outlet.
Further, the solid-phase outlet of second centrifuge connects the charging aperture of the drier.
Further, the system also includes hopper, and the hopper is arranged at the solid-phase outlet of the desorption device.
Further, the heat accumulating type incinerator includes body of heater, and the top of the body of heater is provided with burner, the body of heater
Bottom side is provided with demarcation strip, and the bottom of the body of heater is provided with exhaust gas inlet and gas outlet, and the exhaust gas inlet is set respectively with gas outlet
Put and be provided with heat storage in the both sides of demarcation strip, the bottom side side wall of the body of heater.
Further, the heat accumulating type incinerator connection circulator, the circulator are provided with blow vent and exhaust outlet, institute
State circulator and connect the exhaust gas inlet and gas outlet respectively, connected inside the circulator and circulation is provided with the exhaust gas inlet
Blower fan.
Further, the exhaust outlet of the circulator is connected with air-introduced machine, and the air outlet of the air-introduced machine is also connected with discharging
End and circulator, loop is formed with circulator.
The beneficial effects of the invention are as follows：
The present invention handling process, directly can be applied to waste incineration after process processing, avoid having to first according to
The limitation that could implement by cement kiln, the scope that it can be applied are wider；The system before place to go harmful substance of burning i.e.
The raw material of industry can be reclaimed one step ahead, obtain the raw material of industry of recoverable, reduce system cost；The knot of the system simultaneously
Structure is succinct, and the energy resource consumption for reducing intermediate link excessively and bringing, separation and the cooperation of combustion apparatus improve operating efficiency, realized
It is domestic garbage incineration flyash whole recycling, innoxious.
Brief description of the drawings
Fig. 1 is the system architecture block diagram of the thermal desorption system of domestic garbage incineration flyash provided in an embodiment of the present invention；
Fig. 2 be domestic garbage incineration flyash provided in an embodiment of the present invention thermal desorption system in desorption device structural representation
Figure；
Fig. 3 be domestic garbage incineration flyash provided in an embodiment of the present invention thermal desorption system in heat accumulating type incinerator knot
Structure schematic diagram.
In figure：1st, water washing tank；2nd, drier；3rd, desorption device；301st, frame；302nd, hollow shaft；303rd, tank body；304th, chamber
Body；305th, it is open；306th, heat source import；307th, refluxing opening；308th, motor；309th, exhaust tube；3010th, vacuum filter；3011、
Adapter；3012nd, pressure vacuum gauge；4th, MVR vapo(u)rization systems；5th, heat accumulating type incinerator；501st, body of heater；502nd, burner；503、
Demarcation strip；504th, exhaust gas inlet；505th, gas outlet；506th, heat storage；6th, the first centrifuge；7th, the second centrifuge；8th, hopper；
9th, circulator；10th, circulating fan；11st, air-introduced machine.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be configured to arrange and design with a variety of.Therefore, the reality of the invention to providing in the accompanying drawings below
The detailed description for applying example is not intended to limit the scope of claimed invention, is merely representative of the selected embodiment of the present invention,
Rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under the premise of dynamic, belongs to the scope of protection of the invention.
As shown in figure 1, Fig. 1 shows the thermal desorption system of domestic garbage incineration flyash provided in an embodiment of the present invention, bag
Include water washing tank 1, desorption device 3, MVR vapo(u)rization systems 4 and heat accumulating type incinerator 5, the discharge outlet of water washing tank 1 be connected with first from
Scheming 6, the solid-phase outlet connection desorption device 3 of the first centrifuge 6, the gaseous phase outlet of desorption device 3 connect heat accumulating type by vavuum pump
Incinerator 5；
The liquid-phase outlet of first centrifuge 6 connects the second centrifuge 7, the solid-phase outlet connection desorption device of the second centrifuge 7
3, the liquid-phase outlet connection MVR vapo(u)rization systems 4 of the second centrifuge 7, the liquid-phase outlet connection water washing tank 1 of MVR vapo(u)rization systems 4.
Wherein, MVR vapo(u)rization systems 4 are existing evaporator system, and it is separated by multi-stage water wash, replacement extraction process,
Effectively the salts substances in flying dust can be extracted and separated completely, realize that salt is automatically extracted and classified, it is effective to improve
Divide salt efficiency, and the heavy metal ion in flying dust can be totally separated out, avoid the secondary pollution brought after discharge.
In the system, flying dust, which enters in water washing tank 1, to be mixed, and makes the recyclable raw material of industry soluble in water, by the first centrifugation
Machine 6 is separated, and liquid enters reclaimer, and solid material, which enters in desorption device 3, to be heated, the temperature of desorption device 3 be heated to 300 DEG C-
Between 500 DEG C, while desorption device 3 makes dry materials, and bioxin in material is set to gasify, bioxin passes through true after gasification
Empty pump is transferred in heat accumulating type incinerator 5, and hot environment is formed in heat accumulating type incinerator 5, and temperature is warm herein more than 800 DEG C
, bioxin is decomposed into carbon dioxide under degree environment, so as to realize the removal of pernicious gas.
As shown in Fig. 2 in the present embodiment, desorption device 3 includes frame 301, and frame 301, which is provided with, passes through the frame of hollow shaft 302
If tank body 303, tank body 303 includes being provided with opening by the cavity 304 that is formed including inner bag and shell, the symmetrical side of tank body 303
305, the heat source import 306 be connected with cavity 304 and refluxing opening 307, tank body are provided with the hollow shaft 302 of the side of tank body 303
The hollow shaft 302 of 303 opposite side is driven by motor 308, and is provided with hollow shaft 302 and is taken out with what the inside of tank body 303 connected
Tracheae 309.
After loading the flying dust solid after desalination in desorption device 3, close opening 305 and form sealing, detached using exhaust tube 309
Inner air forms vacuum, and steam or hot water are entered in cavity 304 along heat source import 306, and motor 308 is run, and drives tank
Body 303 is overturn, and steam or hot water heat to material, separate the harmful substance in material, and taken out by exhaust tube 309
From the liquid after being cooled down in cavity 304 is discharged along refluxing opening 307.
Preferably, the end that exhaust tube 309 is arranged in tank body 303 is provided with vacuum filter 3010, vacuum filter
3010 can avoid the solid particle in tank body 303 from together being detached with gas.
It is furthermore preferred that the end that exhaust tube 309 is placed in outside tank body 303 is provided with adapter 3011 and pressure vacuum gauge 3012
Pressure vacuum gauge 3012 can constantly detect the vacuum state in tank body 303, and adapter 3011 is used to connect heat accumulation type incineration
Stove 5.
Specifically, the system is additionally provided with drier 2, the charging aperture of drier 2 connects the solid-phase outlet of the first centrifuge 6,
The import of the discharging opening connection desorption device 3 of drier 2, the exhaust outlet of the air inlet connection heat accumulating type incinerator 5 of drier 2, does
Dry device 2 can be one step ahead by material desiccation, improve operating efficiency, at the same heat accumulating type incinerator will incinerate after caused hot gas again
It is back in drier 2, provides heat energy for drier 2, make heat recovery, lower resource consumption.
More specifically, the solid-phase outlet of the second centrifuge 7 connects the charging aperture of the drier 2, can be by the second centrifugation
The solid material for being further separated out coming of machine 7 is sent into desiccation in drier 2, ensures the perfect of material processing, to greatest extent
Reduce the loss of harmful substance.
Wherein, the system also includes hopper 8, and hopper 8 is arranged at the solid-phase outlet of the desorption device 3, and hopper 8 is used
Material after final process is discharged, will can be directly applied to after material collection construction material or other.
As shown in figure 3, in the present embodiment, heat accumulating type incinerator 5 includes body of heater 501, and the top of body of heater 501 is provided with burner
502, the bottom side of body of heater 501 is provided with demarcation strip 503, and the bottom of body of heater 501 is provided with exhaust gas inlet 504 and gas outlet 505, and waste gas enters
Mouth 504 is separately positioned on the both sides of demarcation strip 503 with gas outlet 505, and the bottom side side wall of body of heater 501 is provided with heat storage 506.
Wherein, the gas with harmful substance detached out of desorption device 3 enters inside body of heater 501 along exhaust gas inlet 504,
502 external fuel gas of burner and combustion-supporting gas, burner 502 is after the Novel interior ignition of body of heater 501, more waste gas incineration process,
Gas after incineration is flowed to the end of gas outlet 505, and at 501 bottom of body of heater, gas is transferred heat on heat storage 506, after
Gas is discharged, and heat storage 506 is made up of ceramic heat-storing material.
Specifically, heat accumulating type incinerator 5 connects circulator 9, circulator 9 is provided with blow vent and exhaust outlet, and circulator 9 divides
Not Lian Jie exhaust gas inlet 504 and gas outlet 505, the inside of circulator 9 connects and is provided with circulating fan 10 at the exhaust gas inlet 504.
It is incinerator first in use, making gas waste gas in the presence of circulating fan 10 that circulator 9, which is mainly used in accumulation of heat,
Circulation is formed, is constantly circulated by the waste gas for carrying heat, so that heat storage 506 stores enough heats for incinerating next time
Gas is used.
More specifically, the exhaust outlet of circulator 9 is connected with air-introduced machine 11, the air outlet of air-introduced machine 11 be also connected with discharge end with
Circulator 9, loop is formed with circulator 9, is equipped with stop valve on pipeline therein, air-introduced machine 11 can be by the gas after incineration
Detach and discharge, if discharge gas can't it is up to standard in the case of by opening and closing the stop valve of diverse location, make
Gas after incineration is recycled into heat accumulating type incinerator 5 again, under the collective effect of double circulation, it is ensured that exhaust-gas treatment
Integrity.
It is of the invention with it is existing in time compared with, its scope of application is wider, and operation is more convenient, while can efficiently remove rubbish
The harmful substance of flying ash and the extraction of industrial chemicals, reduce energy consumption while cost-effective.
Finally it should be noted that：Above-described embodiments are merely to illustrate the technical scheme, rather than to it
Limitation；Although the present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in previous embodiment, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or substitutions, the essence of appropriate technical solution is departed from various embodiments of the present invention technical side
The scope of case.
Claims (10)
- A kind of 1. thermal desorption system of domestic garbage incineration flyash, it is characterised in that：Including water washing tank, desorption device, MVR evaporations system System and heat accumulating type incinerator, the discharge outlet of the water washing tank are connected with the first centrifuge, the solid phase of first centrifuge Outlet connection desorption device, the gaseous phase outlet of the desorption device connect the heat accumulating type incinerator by vavuum pump；The liquid-phase outlet of first centrifuge connects the second centrifuge, the solid-phase outlet connection desorption of second centrifuge Device, the liquid-phase outlet connection MVR vapo(u)rization systems of second centrifuge, the condensation-water drain connection water of the MVR vapo(u)rization systems Cleaning of evaporator.
- 2. the thermal desorption system of domestic garbage incineration flyash as claimed in claim 1, it is characterised in that：The desorption device includes Frame, the frame are provided with the tank body set up by hollow shaft, and the tank body includes the chamber by being formed including inner bag and shell Body, the symmetrical side of the tank body are provided with opening, the heat source import being connected with cavity are provided with the hollow shaft of the side of the tank body With refluxing opening, the hollow shaft of the opposite side of the tank body is driven by motor, and is provided with what is connected with tank interior in hollow shaft Exhaust tube.
- 3. the thermal desorption system of domestic garbage incineration flyash as claimed in claim 2, it is characterised in that：The exhaust tube is set End in tank body is provided with vacuum filter.
- 4. the thermal desorption system of domestic garbage incineration flyash as claimed in claim 3, it is characterised in that：The exhaust tube is placed in End outside tank body is provided with adapter and pressure vacuum gauge.
- 5. the thermal desorption system of domestic garbage incineration flyash as claimed in claim 1, it is characterised in that：The system is additionally provided with dry Dry device, the charging aperture of the drier connect the solid-phase outlet of the first centrifuge, the discharging opening connection desorption device of the drier Import, the air inlet of the drier connects the exhaust outlet of the heat accumulating type incinerator.
- 6. the thermal desorption system of domestic garbage incineration flyash as claimed in claim 5, it is characterised in that：Second centrifuge Solid-phase outlet connect the charging aperture of the drier.
- 7. the thermal desorption system of the domestic garbage incineration flyash as described in claim 1 or 5, it is characterised in that：The system is also wrapped Hopper is included, the hopper is arranged at the solid-phase outlet of the desorption device.
- 8. the thermal desorption system of domestic garbage incineration flyash as claimed in claim 1, it is characterised in that：The heat accumulation type incineration Stove includes body of heater, and the top of the body of heater is provided with burner, and the bottom side of the body of heater is provided with demarcation strip, and the bottom of the body of heater is set There are exhaust gas inlet and gas outlet, the exhaust gas inlet is separately positioned on the both sides of demarcation strip, the bottom side of the body of heater with gas outlet Side wall is provided with heat storage.
- 9. the thermal desorption system of domestic garbage incineration flyash as claimed in claim 8, it is characterised in that：The heat accumulation type incineration Stove connects circulator, and the circulator is provided with blow vent and exhaust outlet, the circulator connect respectively the exhaust gas inlet and Gas outlet, the circulator inside connects is provided with circulating fan at the exhaust gas inlet.
- 10. the thermal desorption system of domestic garbage incineration flyash as claimed in claim 9, it is characterised in that：The circulator Exhaust outlet is connected with air-introduced machine, and the air outlet of the air-introduced machine is also connected with discharge end and circulator, and loop is formed with circulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711375695.1A CN107894000A (en) | 2017-12-19 | 2017-12-19 | A kind of thermal desorption system of domestic garbage incineration flyash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711375695.1A CN107894000A (en) | 2017-12-19 | 2017-12-19 | A kind of thermal desorption system of domestic garbage incineration flyash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107894000A true CN107894000A (en) | 2018-04-10 |
Family
ID=61807941
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711375695.1A Pending CN107894000A (en) | 2017-12-19 | 2017-12-19 | A kind of thermal desorption system of domestic garbage incineration flyash |
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| CN (1) | CN107894000A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10227431A (en) * | 1997-02-18 | 1998-08-25 | Hitachi Zosen Corp | Refuse incinerator |
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| CN206604434U (en) * | 2017-03-22 | 2017-11-03 | 浦城正大生化有限公司 | A kind of double-cone mixer for installing arch breaking apparatus additional |
| CN207815346U (en) * | 2017-12-19 | 2018-09-04 | 北京中洁蓝环保科技有限公司 | A kind of thermal desorption system of domestic garbage incineration flyash |
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| JPH10227431A (en) * | 1997-02-18 | 1998-08-25 | Hitachi Zosen Corp | Refuse incinerator |
| KR19990083928A (en) * | 1999-09-01 | 1999-12-06 | 박영재 | The apparatus combined dry steam with refining gas for oil reverse multi plate column make use of refuse disposal system |
| CN101357290A (en) * | 2008-09-25 | 2009-02-04 | 浙江大学 | Method and system of controlling dioxin discharge in flue gas by duty-cycle operation of sulphur-containing inhibitor |
| CN101817650A (en) * | 2010-05-04 | 2010-09-01 | 北京市琉璃河水泥有限公司 | Method for treating incinerated fly ash of domestic garbage with cooperation of cement kiln |
| CN104248912A (en) * | 2013-06-28 | 2014-12-31 | 中国科学院大连化学物理研究所 | Low temperature thermal desorption catalytic degradation method of dioxins in garbage burning fly ash |
| CN105444189A (en) * | 2014-09-24 | 2016-03-30 | 杰智环境科技股份有限公司 | Volatile organic compound (VOC) incineration equipment and method capable of reducing tail gas concentration convex waves of heat accumulating type incinerator |
| CN105910115A (en) * | 2016-04-19 | 2016-08-31 | 中石化炼化工程（集团）股份有限公司 | Waste liquid incineration device |
| CN206604434U (en) * | 2017-03-22 | 2017-11-03 | 浦城正大生化有限公司 | A kind of double-cone mixer for installing arch breaking apparatus additional |
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