CN109282484A - A kind of high temperature and pressure hydro-thermal detoxification continuous operation device and method of microwave heating - Google Patents
A kind of high temperature and pressure hydro-thermal detoxification continuous operation device and method of microwave heating Download PDFInfo
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- CN109282484A CN109282484A CN201811038907.1A CN201811038907A CN109282484A CN 109282484 A CN109282484 A CN 109282484A CN 201811038907 A CN201811038907 A CN 201811038907A CN 109282484 A CN109282484 A CN 109282484A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000001784 detoxification Methods 0.000 title claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
- 230000006698 induction Effects 0.000 claims description 81
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 68
- 238000001816 cooling Methods 0.000 claims description 14
- 230000004888 barrier function Effects 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 14
- 239000010881 fly ash Substances 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 230000011218 segmentation Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 239000010813 municipal solid waste Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 238000004056 waste incineration Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920000914 Metallic fiber Polymers 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/185—Water-storage heaters using electric energy supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Processing Of Solid Wastes (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Constitution Of High-Frequency Heating (AREA)
Abstract
The invention discloses a kind of high temperature and pressure hydro-thermal detoxification continuous operation device and methods of microwave heating.The present invention connects microwave reaction tank by connector to achieve the purpose that continuous sample introduction, independent sealable microwave reaction tank realize the safe operation of high-temperature high-voltage reaction.Heating, temperature control time are controlled by controlling the transmission speed of material, and adapter cavity separates microwave heating and temperature control process, realizes that the segmentation of reaction temperature accurately controls and the continuous and steady operation of microwave.By two microwave absorbing chambers and the metal mesh on microwave reaction tank surface, achieve the purpose that step by step decay microwave, prevent leakage.By inductor to microwave generator start-up and shut-down control, the automatic start-stop of system is realized.The present invention utilizes the principle of microwave body heating, realize incineration of refuse flyash (hereinafter referred to as " flying dust ") high-efficiency and continuous detoxification degradation disposition, and disposition product has very high commercial application potentiality, enlargement, industrial applications suitable for flying dust continuous microwave hydro-thermal.
Description
Technical field
The present invention relates to a kind of high temperature and pressure hydro-thermal detoxification continuous operation device and methods of microwave heating, belong to microwave and add
Hot application technology and flying dust disposal technology field.
Background technique
With growing continuously and fast for China's economy, China's domestic waste year yield rapid development.This means that
Landfill will be replaced by burning, and become the dominant technology of China's urban garbage disposal.With the quick hair of consumer waste incineration
Exhibition, incineration of refuse flyash yield is also increasing, and the flying dust yield in China in 2016 is more than 5,000,000 tons, and a few years from now on will also
Rapid growth will likely break through 7,000,000 tons by 2018.The flying dust pollution problem of Municipal Solid Waste Incineration Plant, essence can
To sum up are as follows: flying dust yield is huge, heavy metal and dioxin Toxic is rich in flying dust, flying dust harmless disposal technology is not
The cost of disposal of maturation, flying dust is high, and environmental pollution consequence caused by the unreasonable disposition of flying dust is serious.Therefore, appropriate, efficient,
The disposition of the progress fly ash from burning city domestic garbage of low cost, it has also become the universal and urgent demand of industry, and restrict rubbish
One of the major issue of rubbish burning industry development.
Although China's consumer waste incineration achieves fast-developing and rapid progress, the innoxious place of incineration of refuse flyash
Set and but make slow progress, become in consumer waste incineration overall process contamination control and risk management link the weakest, flying dust without
The problems such as sequence stacking, non-standardized treatment and utilization, is serious.The flying dust disposal technology in China still more falls behind, main disposition
Technical method is cement solidification method and chemical agent stabilization method.The former is most traditional flyash treatment method, simple technique
Equipment and operation and low cost of disposal are its maximum advantages, but there are heavy metals immobilization less effective, two can not be removed
The disadvantages of disliking English, especially finally landfill volume will increase 1.5-2.0 times；And the latter is then since burning city domestic garbage flies
The complexity of grey component and Heavy Metals is difficult to find a kind of blanket chemical stabilizer, and medicament solidification is to two
The stabilization for disliking English is smaller, and is very likely to cause secondary pollution, these are all to restrict chemical stabilization scale application
Main cause.And hydro-thermal method has good performance in terms of the removing of fixed heavy metal and dioxin, hydrothermal product
With very big recycling application potential, and microwave-hydrothermal method can also substantially reduce winged other than the advantage with hydro-thermal method
The cost of disposal of ash.
Microwave current hydro-thermal disposition incineration of refuse flyash is still within the experimental study stage, the general form for using reactor tank
Batch reaction is carried out, and microwave heats up, maintains, cooling stage all carries out in the same reaction chamber.Under this form, sternly
The disposal efficiency of flying dust is affected again, additionally needs intermittent replacement material, cumbersome, human cost greatly increases.Cause
This actively develops the technique research and development of microwave hydrothermal serialization operation and device fabrication, the disposition to China's future incineration of refuse flyash
Pattern will generate vital influence.
Summary of the invention
For the industrial application of the hydro-thermal detoxicity method of realization microwave heating, the present invention provides a kind of high temperature and pressure of microwave heating
Hydro-thermal detoxification continuous operation device and method.
The high temperature and pressure hydro-thermal detoxification continuous operation device of microwave heating of the invention includes sample introduction storehouse (1), sample introduction track
(2), microwave heating chamber (7), microwave temperature control chamber (10), pressure release cooling chamber (12), collecting bin (13), microwave absorbing chamber (15),
Hydro-thermal reaction tank (17), sample introduction conveyer belt (20) and sample conveyer belt (21) out；Wherein there are two microwave absorbing chambers (15), respectively
For the first microwave absorbing chamber and the second microwave absorbing chamber；Sample introduction storehouse (1) outlet is equipped with sample introduction track (2), under sample introduction track (2)
Side is sample introduction conveyer belt (20)；Sample introduction conveyer belt (20) sequentially passes through the first microwave absorbing chamber, microwave heating chamber (7), microwave control
Warm chamber (10) and the second microwave absorbing chamber；Microwave absorbing chamber (15) is equipped with induction door (4), induction door (4) and microwave absorbing chamber
(15) infrared inductor (14) connection being arranged in；Microwave heats up chamber (7) between microwave temperature control chamber (10) by barrier rib (19)
It is connected；Pressure release cools down, and chamber (12) are interior to be equipped with sample conveyer belt (21)；Sample introduction conveyer belt (20) pass through the second microwave absorbing chamber after and
Sample conveyer belt (21) is connected out；Pressure release cooling chamber (12) is connected with collecting bin (13)；The setting of hydro-thermal reaction tank (17) single side surface
Metal mesh coating (18) are equipped at distance；Hydro-thermal reaction tank (17) by sample introduction conveyer belt (20) and out sample conveyer belt (21) into
Row transmission.
Preferably, the outer surface of the metal mesh coating (18) covering hydro-thermal reaction tank (17) half；Metal mesh covers
Cap rock (18) is 3cm at a distance from hydro-thermal reaction tank (17) surface；Metal mesh coating (18) is used for shield microwaves, prevents micro-
Wave leakage, and absorption of the medium to microwave in reactor tank is not influenced.
Preferably, the first infrared temperature regulating device (5), the first microwave generator are provided in microwave heating chamber (7)
(6)；The second infrared temperature regulating device (8), the second microwave generator (9) and operation panel are provided on microwave temperature control chamber (10)
(8)。
Preferably, the inlet side of first microwave absorbing chamber is equipped with the first induction door (4a), and outlet side is equipped with second
Induction door (4b)；The inlet side of second microwave absorbing chamber is equipped with third induction door (4c), and outlet side is equipped with the 4th induction door
(4d)；An infrared inductor is respectively provided at each induction door, infrared inductor is connected with corresponding induction door.More preferably
, the 5th infrared inductor (14n) is equipped at barrier rib, when the corresponding infrared inductor of the second induction door (4b)
When (14b) and the 5th infrared inductor (14n) are not sensed by hydro-thermal reaction tank simultaneously, the first microwave generator (6) is closed, instead
Then open；When the corresponding infrared inductor (14c) of third induction door (4c) is not felt simultaneously with the 5th infrared inductor (14n)
When should arrive hydro-thermal reaction tank, the second microwave generator (9) is closed, on the contrary then open.
Preferably, the inlet side of first microwave absorbing chamber is equipped with the first induction door (4a), the second microwave absorbing chamber
Outlet side be equipped with the 4th induction door (4d)；Be respectively provided with an infrared inductor at each induction door, infrared inductor with it is corresponding
Induction door be connected；
The outlet side of first microwave absorbing chamber and the inlet side of the second microwave absorbing chamber are equipped with detection hydro-thermal reaction
Tank and the sensor that start and stop are carried out according to testing result control microwave generator.
Preferably, the microwave absorbing chamber (15) wall surface is equipped with microwave absorbing layer (3).
Preferably, the hydro-thermal reaction tank (17) can have multiple, and hydro-thermal reaction tank passes through connector between (17)
(16) it is connected.
Preferably, the material of the hydro-thermal reaction tank (17) is polytetrafluoroethylene (PTFE).
The invention also discloses a kind of high temperature and pressure hydro-thermal detoxification continuous operation methods of microwave heating, and its step are as follows:
Hydro-thermal reaction tank (17) equipped with flying dust, solvent, according to rate set by sample introduction conveyer belt (20) from sample introduction storehouse
(1) enter the first microwave absorbing chamber along route defined by sample introduction track (2)；By connector between hydro-thermal reaction tank (17)
(16) it connects, thus play the role of continuous sample introduction, it is corresponding red when hydro-thermal reaction tank (17) reach induction door (4) nearby
Outer inductor (14) issues signal control induction door (4) and opens, and hydro-thermal reaction tank (17) sequentially enters the first microwave absorbing chamber
(15), microwave heating chamber (7), microwave temperature control chamber (10) and the second microwave absorbing chamber；The unlatching of second induction door (4b), together
When control microwave generator (6) open；Wherein, any one opening in the second induction door (4b) or third induction door (4c)
When, the first microwave generator (6) and the second microwave generator (9) are switched on, only when the second induction door (4b) or third induction door
When (4c) is simultaneously closed off, the first microwave generator (6) and the second microwave generator (9) stop working；
Reaction time of the hydro-thermal reaction tank (17) in microwave heating chamber (7) and microwave temperature control chamber (10) is by sample introduction conveyer belt
(20) rate control；When hydro-thermal reaction tank (17) is moved to microwave temperature control chamber (10) near exit, the third sense of outlet side
(4c) is answered the door by third infrared inductor (14c) control unlatching；When hydro-thermal reaction tank (17) continuously moves to the second microwave absorption
When chamber exit, the 4th induction door (4d) of outlet side is controlled by the 4th infrared inductor (14d) is opened, hydro-thermal reaction tank
(17) by going out sample conveyer belt (21) into pressure release cooling chamber (12)；
Residence time in pressure release cooling chamber (12) is adjusted by the rate control for going out sample conveyer belt (21), into collecting bin
Hydro-thermal reaction tank (17) can be unloaded by safe opening；When hydro-thermal reaction tank (17) passes sequentially through the first microwave absorbing chamber, microwave
It heats up chamber (7), after microwave temperature control chamber (10), the second microwave absorbing chamber and cooling pressure leak process, into collecting bin (13)；
When induction door (4) is not sensed by hydro-thermal reaction tank (17) everywhere, it is automatically closed；When the second induction door (4b) and
After third induction door (4c) is turned off, the first microwave generator (6) and the second microwave generator (9) are closed；Microwave heating chamber
(7) be arranged with the running parameter in microwave temperature control chamber (10) by operation panel (11) are unified, the first infrared temperature regulating device (5) and
Second infrared temperature regulating device (8) is for hydro-thermal reaction tank (17) in real-time monitoring microwave heating chamber (7) and microwave temperature control chamber (10)
Signal is fed back to corresponding first microwave generator (6) when monitoring that temperature is up to the temperature of setting by interior temperature
Or second microwave generator (9), carry out microwave power fine tuning.
This system separates microwave heating, microwave temperature control, pressure release temperature-fall period, not only increases the efficiency of flying dust disposition,
And realize serialization disposition.
Compared with prior art, the present invention has the following advantages:
(1) compared with electrically heated hydro-thermal disposal technology, the present invention, as heat form, has heating speed using microwave
Fastly, the advantages that being heated evenly, be efficient.
(2) it being compared with duct type sample introduction form, the present invention uses the form of reactor tank, and reactant is uniformly heated,
It is safely operated and is guaranteed under the hydrothermal condition of high temperature and pressure.
(3) compared with the disposition of the hydro-thermal of reaction kettle form, the present invention uses the concatenated form of reactor tank, and realizing stabilization can
The continuous operation disposition of control.
(4) this system individually controls microwave heating with temperature control, substantially increases the temperature control accuracy to reactor tank,
Disposal efficiency is improved simultaneously.
Detailed description of the invention
Fig. 1 is the hydro-thermal detoxification continuous operation schematic device of microwave heating；
In figure: sample introduction storehouse 1, sample introduction track 2, microwave absorbing layer 3, the first induction door 4a, the second induction door 4b, third sense
Answer the door 4c, the 4th induction door 4d, the first infrared temperature regulating device 5, the second infrared temperature regulating device 8, the first microwave generator 6, second
Microwave generator 9, microwave heating chamber 7, microwave temperature control chamber 10, operation panel 11, pressure release cooling chamber 12, collecting bin 13, first are red
Outer inductor 14a, the second infrared inductor 14b, third infrared inductor 14c, the 4th infrared inductor 14d, the 5th infrared sense
Answer device 14n, microwave absorbing chamber 15, connector 16, hydro-thermal reaction tank 17, metal mesh coating 18, barrier rib 19, sample introduction transmission
Band 20 goes out sample conveyer belt 21.
Specific embodiment
As shown in Figure 1, the hydro-thermal detoxification continuous operation device of microwave heating includes sample introduction storehouse 1, sample introduction track 2, microwave suction
Receive layer 3, induction door 4 (is from left to right respectively the first induction door 4a, the second induction door 4b, third induction door 4c, the 4th induction
Door 4d), it is the first infrared temperature regulating device 5, the second infrared temperature regulating device 8, the first microwave generator 6, the second microwave generator 9, micro-
Wave heats up chamber 7, microwave temperature control chamber 10, operation panel 11, pressure release cooling chamber 12, collecting bin 13, infrared inductor (14) (with sense
Answer the door it is corresponding be respectively the first infrared inductor 14a, the second infrared inductor 14b, third infrared inductor 14c, it is the 4th infrared
Inductor 14d, microwave absorbing chamber 15, connector 16, hydro-thermal reaction tank 17, metal mesh coating 18, barrier rib 19, sample introduction pass
Send band 20 and out sample conveyer belt 21.
Wherein there are two microwave absorbing chambers (15), respectively the first microwave absorbing chamber and the second microwave absorbing chamber；Sample introduction storehouse
(1) outlet is equipped with sample introduction track (2), is on the downside of sample introduction track (2) sample introduction conveyer belt (20)；Sample introduction conveyer belt (20) is sequentially worn
Cross the first microwave absorbing chamber, microwave heating chamber (7), microwave temperature control chamber (10) and the second microwave absorbing chamber；Microwave absorbing chamber
(15) induction door (4) are equipped with, induction door (4) is connect with the infrared inductor (14) being arranged in microwave absorbing chamber (15)；Microwave liter
It is connected between warm chamber (7) and microwave temperature control chamber (10) by barrier rib (19)；Pressure release cools down, and chamber (12) are interior to be equipped with sample conveyer belt
(21)；Sample introduction conveyer belt (20) is connected after passing through the second microwave absorbing chamber with sample conveyer belt (21) out；Pressure release cool down chamber (12) with
Collecting bin (13) is connected；Metal mesh coating (18) are equipped at hydro-thermal reaction tank (17) single side surface set distance；Hydro-thermal reaction
By sample introduction conveyer belt (20) and out, sample conveyer belt (21) is transmitted tank (17).
Microwave hydrothermal disposes flying dust continuous operation method: equipped with certain proportion flying dust/water (or sodium hydroxide solution, hydrogen-oxygen
Change potassium solution, phosphate solution, the alkaline reagents such as carbonate solution) corrosion-resistant, the high-temperature and high-presure resistent hydro-thermal reaction of mixture
Tank enters microwave absorbing chamber along route defined by sample introduction track from sample introduction storehouse according to rate set by sample introduction conveyer belt.
It is connected between hydro-thermal reaction tank by connector, to play the role of continuous sample introduction, therefore is not influencing to connect hydro-thermal reaction tank
Under the premise of, the length of connector can minimize, to improve sample introduction efficiency and microwave energy utilization rate.When hydro-thermal reaction tank
(when reaching near induction door, infrared inductor issues signal control induction door and opens, and hydro-thermal reaction tank sequentially enters microwave suction
Receive chamber, microwave heating chamber, microwave temperature control chamber and another microwave absorbing chamber.The unlatching of second induction door (4b), controls simultaneously
Microwave generator is opened.Second induction door (4b), third induction door (4c) are the second sense to the start and stop logic of microwave generator
It answers the door (4b) or when third induction door (4c) is opened, microwave generator is opened, only when the second induction door induction door (4b) and the
When three induction doors (4c) simultaneously close off, microwave generator stops working.Hydro-thermal reaction tank is in microwave heating chamber and microwave temperature control chamber
In reaction time by sample introduction conveyer belt rate control.When hydro-thermal reaction tank is moved to microwave temperature control chamber near exit, out
Mouth side induction door (4c) is controlled unlatching by corresponding infrared inductor.When hydro-thermal reaction tank continuously moves to microwave absorbing chamber outlet
When place, outlet side induction door (4d) is controlled unlatching by correspondence infrared inductor, and hydro-thermal reaction tank is let out by going out the entrance of sample conveyer belt
Pressure drop temperature chamber.Pressure release cool down chamber) in residence time by go out sample conveyer belt rate control adjust, into the water of collecting bin
Thermal response tank can be unloaded by safe opening.When hydro-thermal reaction tank pass sequentially through microwave absorbing chamber, microwave heating chamber, adapter cavity,
After microwave temperature control chamber, microwave absorbing chamber and cooling pressure leak process, into collecting bin, and then entire high temperature and pressure hydro-thermal is completed
Treatment procedures.When induction door is not sensed by hydro-thermal reaction tank everywhere, it is automatically closed；When the second induction door induction door (4b) and
After third induction door (4c) is turned off, microwave generator is closed.Microwave generator is by switch series at general supply and induction door
Joint control system.Running parameter in microwave heating chamber and microwave temperature control chamber is arranged by operation panel is unified, including microwave operational function
Rate, temperature etc..Infrared temperature control is mainly used in real-time monitoring microwave heating chamber and microwave temperature control chamber temperature in hydro-thermal reaction tank,
When monitoring that temperature is up to the temperature of setting, signal is fed back into microwave generator, carries out microwave power fine tuning.
In the present invention, hydro-thermal reaction tank is the reactor tank of sealable cylinder, is made of high-temperature and high-presure resistent material, out
It is no more than the 2/3 of hydro-thermal reaction tank volume in security consideration content total volume.In its unilateral (face of entire reactor tank half
Product) the metal mesh coating of (recommending 3cm) at a certain distance from surface can be used for shield microwaves, microwave from leakage is prevented, and do not influence
Absorption of the medium to microwave in reactor tank.In order to preferably control microwave leakage amount, reactor tank outer diameter is utmostly approached
The width and height of microwave absorbing chamber.Four peripheral wall surfaces of microwave absorbing chamber have microwave absorbing layer (ferrite powder, carborundum powder, carbon
The microwave absorbing materials such as SiClx fiber, carbon fiber, metallic fiber), to be further reduced microwave from leakage amount.Induction door everywhere
By the material of microwave from leakage can be prevented to be made.Furthermore the length of microwave absorbing chamber is longer, the hydro-thermal reaction tank that can be accommodated simultaneously
Quantity is also more, and the metal mesh coating on reactor tank surface is also more, the multiple decaying to microwave may be implemented, to realize
Microwave safe operation.In addition, the second induction door induction door (4b) and third induction door (4c) and its corresponding infrared inductor
It can also be not provided with, be changed to the start and stop that corresponding position dress sensing apparatus directly controls microwave generator.Also or, in barrier rib
Nearby increase the 5th infrared inductor (14n is not pointed out in the diagram) and control microwave generator, start and stop logic is to work as
When second infrared inductor (14b) and the 5th infrared inductor (14n) are not sensed by hydro-thermal reaction tank simultaneously, the first microwave hair
Raw device (6) are closed, on the contrary then open；When third infrared inductor (14c) does not incude simultaneously with the 5th infrared inductor (14n)
When to hydro-thermal reaction tank, the second microwave generator (9) is closed, on the contrary then open；This control logic, it is possible to reduce device is opened
Microwave energy when beginning and is out of service wastes, and improves microwave utilization efficiency.
In the present invention, the temperature-rise period and temperature control process of microwave hydrothermal have been divided in the presence of barrier rib well, but also
Microwave is more accurate to the control of temperature in microwave reaction tank.Microwave reaction tank is started to warm up from microwave heating chamber is entered, and is passed through
The adjusting of microwave power, so that reaching set temperature just when it reaches microwave heating chamber outlet.Theoretically enter microwave control
Medium temperature in the microwave reaction tank of warm chamber is all identical, therefore the thermally equivalent of each microwave reaction tank may be implemented,
The process control of microwave power is also more simple, to realize microwave Discrete control, one section from room temperature to set temperature
(for example, 25-200 DEG C), temperature maintains set temperature (200 DEG C) in one-stage control reactor tank.In addition, the height of barrier rib,
Width is consistent with microwave absorbing chamber, is closely sized to as far as possible with microwave reaction tank, barrier rib and microwave heating chamber and microwave temperature control
Two microwave cavities can be preferably isolated in the difference in height of chamber.And in barrier rib microwave reaction tank presence, can also decline step by step
Subtract microwave, thus by the influence between two microwave cavities.Under the premise of controlling microwave from leakage, microwave suction can be minimized
The length for receiving chamber and barrier rib, to improve disposal efficiency.This system divides microwave heating, microwave temperature control, pressure release temperature-fall period
From, not only increase flying dust disposition efficiency, and realize serialization disposition.
Therefore the high temperature and pressure hydro-thermal detoxification continuous operation device and method of microwave heating provided by the invention, realizes winged
The efficient disposition and serialization operation of ash.Obtained high-quality product simultaneously, has very high industrial utility value, real
A large amount of recycling of existing cost of disposal.The device runs easy to operate, stable and safe in operation, suitable for the big of flying dust continuous hydrothermal
Type, industrial applications meet the demand of the growing flying dust disposition in China.
Claims (10)
1. a kind of high temperature and pressure hydro-thermal detoxification continuous operation device of microwave heating, which is characterized in that including sample introduction storehouse (1), into
Sample track (2), microwave heating chamber (7), microwave temperature control chamber (10), pressure release cooling chamber (12), collecting bin (13), microwave absorbing chamber
(15), hydro-thermal reaction tank (17), sample introduction conveyer belt (20) and sample conveyer belt (21) out；Wherein there are two microwave absorbing chambers (15),
Respectively the first microwave absorbing chamber and the second microwave absorbing chamber；Sample introduction storehouse (1) outlet is equipped with sample introduction track (2), sample introduction track (2)
Downside is sample introduction conveyer belt (20)；Sample introduction conveyer belt (20) sequentially passes through the first microwave absorbing chamber, microwave heating chamber (7), microwave
Temperature control chamber (10) and the second microwave absorbing chamber；Microwave absorbing chamber (15) is equipped with induction door (4), induction door (4) and microwave absorption
Infrared inductor (14) connection being arranged in chamber (15)；Microwave heats up chamber (7) between microwave temperature control chamber (10) by barrier rib
(19) it is connected；Pressure release cools down, and chamber (12) are interior to be equipped with sample conveyer belt (21)；Sample introduction conveyer belt (20) passes through the second microwave absorbing chamber
It is connected afterwards with sample conveyer belt (21) out；Pressure release cooling chamber (12) is connected with collecting bin (13)；Hydro-thermal reaction tank (17) single side surface
Metal mesh coating (18) are equipped at set distance；Hydro-thermal reaction tank (17) is by sample introduction conveyer belt (20) and sample conveyer belt (21) out
It is transmitted.
2. a kind of high temperature and pressure hydro-thermal detoxification continuous operation device of microwave heating as described in claim 1, which is characterized in that
The outer surface of described metal mesh coating (18) covering hydro-thermal reaction tank (17) half；Metal mesh coating (18) and hydro-thermal are anti-
The distance for answering tank (17) surface is 3cm；Metal mesh coating (18) is used for shield microwaves, prevents microwave from leakage, and does not influence anti-
Answer absorption of the medium to microwave in tank.
3. a kind of high temperature and pressure hydro-thermal detoxification continuous operation device of microwave heating as described in claim 1, which is characterized in that
The first infrared temperature regulating device (5), the first microwave generator (6) are provided in microwave heating chamber (7)；Microwave temperature control chamber
(10) the second infrared temperature regulating device (8), the second microwave generator (9) and operation panel (8) are provided on.
4. a kind of high temperature and pressure hydro-thermal detoxification continuous operation device of microwave heating as described in claim 1, which is characterized in that
The inlet side of first microwave absorbing chamber is equipped with the first induction door (4a), and outlet side is equipped with the second induction door (4b)；
The inlet side of second microwave absorbing chamber is equipped with third induction door (4c), and outlet side is equipped with the 4th induction door (4d)；
An infrared inductor is respectively provided at each induction door, infrared inductor is connected with corresponding induction door.
5. a kind of high temperature and pressure hydro-thermal detoxification continuous operation device of microwave heating as described in claim 1, which is characterized in that
The inlet side of first microwave absorbing chamber is equipped with the first induction door (4a), and the outlet side of the second microwave absorbing chamber is equipped with the 4th
Induction door (4d)；An infrared inductor is respectively provided at each induction door, infrared inductor is connected with corresponding induction door；
The inlet side of the outlet side of first microwave absorbing chamber and the second microwave absorbing chamber is equipped with detection hydro-thermal reaction tank, simultaneously
The sensor of start and stop is carried out according to testing result control microwave generator.
6. a kind of high temperature and pressure hydro-thermal detoxification continuous operation device of microwave heating as claimed in claim 4, which is characterized in that
The 5th infrared inductor (14n) is equipped at barrier rib, when the corresponding infrared inductor of the second induction door (4b)
When (14b) and the 5th infrared inductor (14n) are not sensed by hydro-thermal reaction tank simultaneously, the first microwave generator (6) is closed, on the contrary
Then open；When the corresponding infrared inductor (14c) of third induction door (4c) is not sensed by simultaneously with the 5th infrared inductor (14n)
When hydro-thermal reaction tank, the second microwave generator (9) is closed, on the contrary then open.
7. a kind of high temperature and pressure hydro-thermal detoxification continuous operation device of microwave heating as described in claim 1, which is characterized in that
Microwave absorbing chamber (15) wall surface is equipped with microwave absorbing layer (3).
8. a kind of high temperature and pressure hydro-thermal detoxification continuous operation device of microwave heating as described in claim 1, which is characterized in that
The hydro-thermal reaction tank (17) can have it is multiple, between hydro-thermal reaction tank (17) by connector (16) be connected.
9. a kind of high temperature and pressure hydro-thermal detoxification continuous operation device of microwave heating as described in claim 1, which is characterized in that
The material of the hydro-thermal reaction tank (17) is polytetrafluoroethylene (PTFE).
10. a kind of high temperature and pressure hydro-thermal detoxification continuous operation method of microwave heating, it is characterised in that steps are as follows:
Hydro-thermal reaction tank (17) equipped with flying dust, solvent, according to rate set by sample introduction conveyer belt (20) from sample introduction storehouse (1) edge
Route defined by sample introduction track (2) enter the first microwave absorbing chamber；It is gone here and there between hydro-thermal reaction tank (17) by connector (16)
Connection, thus play the role of continuous sample introduction, when hydro-thermal reaction tank (17) reach induction door (4) nearby, corresponding infrared induction
Device (14) issues signal control induction door (4) and opens, and hydro-thermal reaction tank (17) sequentially enters the first microwave absorbing chamber (15), microwave
Heating chamber (7), microwave temperature control chamber (10) and the second microwave absorbing chamber；The unlatching of second induction door (4b), while controlling microwave
Generator (6) is opened；Wherein, when any one opening in the second induction door (4b) or third induction door (4c), the first microwave
Generator (6) and the second microwave generator (9) are switched on, only when the second induction door (4b) or third induction door (4c) simultaneously close off
When, the first microwave generator (6) and the second microwave generator (9) stop working；
Reaction time of the hydro-thermal reaction tank (17) in microwave heating chamber (7) and microwave temperature control chamber (10) is by sample introduction conveyer belt (20)
Rate control；When hydro-thermal reaction tank (17) is moved to microwave temperature control chamber (10) near exit, the third induction door of outlet side
(4c) is controlled by third infrared inductor (14c) and is opened；Go out when hydro-thermal reaction tank (17) continuously moves to the second microwave absorbing chamber
When at mouthful, the 4th induction door (4d) of outlet side is controlled by the 4th infrared inductor (14d) is opened, and hydro-thermal reaction tank (17) passes through
Sample conveyer belt (21) enters pressure release cooling chamber (12) out；
Residence time in pressure release cooling chamber (12) is adjusted by the rate control for going out sample conveyer belt (21), into the hydro-thermal of collecting bin
Reactor tank (17) can be unloaded by safe opening；When hydro-thermal reaction tank (17) passes sequentially through the first microwave absorbing chamber, microwave heating
After chamber (7), microwave temperature control chamber (10), the second microwave absorbing chamber and cooling pressure leak process, into collecting bin (13)；
When induction door (4) is not sensed by hydro-thermal reaction tank (17) everywhere, it is automatically closed；When the second induction door (4b) and third sense
It answers the door after (4c) be turned off, the first microwave generator (6) and the second microwave generator (9) are closed；Microwave heating chamber (7) and microwave
Running parameter in temperature control chamber (10) is arranged by operation panel (11) are unified, the first infrared temperature regulating device (5) and the second infrared control
Warm device (8) works as prison for hydro-thermal reaction tank (17) interior temperature in real-time monitoring microwave heating chamber (7) and microwave temperature control chamber (10)
When measuring temperature and being up to the temperature of setting, signal is fed back into corresponding first microwave generator (6) or the second microwave is sent out
Raw device (9) carry out microwave power fine tuning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811038907.1A CN109282484A (en) | 2018-09-06 | 2018-09-06 | A kind of high temperature and pressure hydro-thermal detoxification continuous operation device and method of microwave heating |
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|---|---|---|---|
| CN201811038907.1A CN109282484A (en) | 2018-09-06 | 2018-09-06 | A kind of high temperature and pressure hydro-thermal detoxification continuous operation device and method of microwave heating |
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| CN109282484A true CN109282484A (en) | 2019-01-29 |
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ID=65184140
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| CN201811038907.1A Pending CN109282484A (en) | 2018-09-06 | 2018-09-06 | A kind of high temperature and pressure hydro-thermal detoxification continuous operation device and method of microwave heating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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