CN106524172A - Method and device for microwave plasma incineration of medical waste - Google Patents
Method and device for microwave plasma incineration of medical waste Download PDFInfo
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- CN106524172A CN106524172A CN201611135698.3A CN201611135698A CN106524172A CN 106524172 A CN106524172 A CN 106524172A CN 201611135698 A CN201611135698 A CN 201611135698A CN 106524172 A CN106524172 A CN 106524172A
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- Prior art keywords
- microwave
- heater
- medical waste
- microwave plasma
- burner hearth
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Classifications
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- 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
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
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- 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
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/10—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating electric
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- 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
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- 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
- F23G5/50—Control or safety arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
- F23G2201/302—Treating pyrosolids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/20—Supplementary heating arrangements using electric energy
- F23G2204/201—Plasma
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/20—Supplementary heating arrangements using electric energy
- F23G2204/203—Microwave
Abstract
The invention provides a method and device for microwave plasma incineration of medical waste. The method for the microwave plasma incineration of the medical waste comprises the following steps that water is added to medical waste, and the medical waste is stirred evenly and placed into a furnace; a microwave plasma generator end head is adjusted, and microwave pretreatment is conducted; the microwave plasma generator end head is drawn out, microwave power is adjusted, and burning is conducted; and the burnt products discharge from the furnace directly, enter into a material conveying trolley and are carried away. According to the method and device for the microwave plasma incineration of the medical waste, the medical waste is subjected to early stage heating by utilizing microwave plasma and electric arc generated through microwaves, and the problem that the medical waste cannot be treated due to the fact that the medical waste does not absorb the microwaves is effectively solved. The whole treating process is conducted in a closed environment, so that the medical waste is split into gas and solid residue, heavy-toxic secondary pollutants such as dioxin are not generated, solid, liquid and gas generated in the burning process can be collected and utilized integrally, and the effect of environment protection is achieved.
Description
Technical field
The present invention relates to medical wastes treatment technologies field, more particularly to a kind of microwave plasma burning Biohazard Waste
Method and device.
Background technology
Medical waste is a class catastrophe risk garbage, environment and health is produced and is greatly endangered, medical waste
Thing process problem has become one, a whole world difficult problem.As Biohazard Waste has toxicity, it is difficult to processed with conventional method,
Biohazard Waste contains substantial amounts of antibacterial, virus and chemical agent, with extremely strong infectiousness, bio-toxicity and corrosivity, not
Jing process processes halfway Biohazard Waste easily water body, soil and air is polluted, human body is produced directly or
Indirectly endanger.Existing Biohazard Waste is processed mainly burning method, chemical disinfection, steam sterilization, sanitary landfills etc..
But various metals " flying dust " and various harmful gass will be discharged in burning process, two English of strong toxicity etc. two are generated
Secondary pollutant, have a strong impact on health.Biohazard Waste landfill disposal need to take a large amount of land resources, while two to environment
Secondary pollution is big.
The content of the invention
The technical problem to be solved in the present invention：Overcome technique present in medical offal treatment process in prior art multiple
Miscellaneous, apparatus expensive, process thoroughly, the shortcomings of cause secondary pollution, there is provided a kind of microwave plasma burns Biohazard Waste
Method and device, has the advantages that to process thorough, efficiency high, prevents secondary pollution, energy-conserving and environment-protective.
Technical scheme：
A kind of microwave plasma burns the device of Biohazard Waste, including microwave oven, touch screen, PLC, control device, liter
Falling unit and material conveying vehicle, the microwave oven include body of heater, furnace bottom, temperature element, plasma-arc system, little bellow
Lead and magnetron；The body of heater is cylindrical shape, and the upper end of body of heater is provided with hemispheric bell, is provided with upper end and opens in the inner chamber of body of heater
The columnar burner hearth of mouth, the upper end of bell are provided with the temperature element inside insertion burner hearth, wrap up on the body of heater around burner hearth
There is an insulation material, the outside of body of heater along the circumferential direction uniform several magnetrons and transition waceguide, magnetron and transition waceguide connect
Connect, transition waceguide is stretched in body of heater；Furnace bottom and body of heater are shaped as the spherical of upper and lower end matching；Described plasma-arc
The driving and reversing mechanism that system is included contact and is connected with contact, contact stretch into the burner hearth of body of heater；The detection signal of the temperature element
Transmit to control device, the control device is respectively to driving and reversing mechanism, magnetron and control device transmission of control signals, material fortune
Defeated car is that electric hydaulic raises car, and lowering or hoisting gear is linked together with material transport vehicle, for driving moving up and down for furnace bottom；Control
Device processed and PLC set up two-way communication link, and PLC and touch screen set up two-way communication link.
Preferably, the contact includes ceramic push rod, base of ceramic and graphite round bar, and the leading head of graphite round bar is circle
Tapered, graphite round bar is located at the front end of base of ceramic, and ceramic push rod is located at the rear end of base of ceramic, and driving and reversing mechanism includes slowing down and turns
To mechanism, motor and control circuit, ceramic push rod is connected with deceleration steering mechanism, and control circuit transmits rotation command to motor,
The rotation of motor drives deceleration steering mechanism, deceleration steering mechanism to drive the movable of ceramic push rod, control circuit and control
Device sets up communication connection.
Preferably, the magnetron（6）And transition waceguide（5）Respectively at least six, magnetron（6）By transition waceguide
（5）With body of heater（1）It is connected；The flange of the transition waceguide（5-3）Between inlay sealing dividing plate（5-2）, seal dividing plate（5-2）
Surrounding is provided with shielding ring（5-1）, flange（5-3）It is joined with bolts；Sealing dividing plate（5-2）For politef material,
Shielding ring（5-1）For spun gold guipure.
Preferably, control device adopts PLC program controller, and temperature element adopts infrared radiation thermometer or thermocouple, infrared
Temperature measurer or thermocouple output signal access PLC program controller；PLC control circuits contain the certain amount being connected with input
Hand switch, the switching signal circuit of signal acquisition circuit.
Preferably, the body of heater and furnace bottom are stainless steel；Least one set is provided with the bell of upper of furnace body to enter
QI KOU and air vent；Furnace bottom is provided with support meanss and discharge outlet, and the upper end of support meanss is connected with the lower surface of burner hearth, draining
Mouth is provided with control valve；Copper mesh band micro-wave screening circle and rubber seal are provided between body of heater and furnace bottom.
A kind of incinerating method of the device that Biohazard Waste is burned based on microwave plasma, is comprised the following steps：
S1., medical waste is placed in the burner hearth of microwave oven（1-2）In, add a certain amount of water；
S2. magnetron is opened by control device, adjusts the 20-30% of microwave to peak power, then adjust plasma-arc system
The driving and reversing mechanism of system, makes the depth that contact enters burner hearth be 10-40mm, carries out microwave pretreatment；
S3. the contact of plasma-arc system is exited, microwave increase power is adjusted, is burned；
S4. adjust plasma-arc system contact so as to into burner hearth depth be 40-100mm, 10-30 minute backed off after random；
S5. naturally cool to room temperature.
Preferably, the power of the microwave oven is 10～20KW, and the microwave pretreatment is medical treatment after being pulverized
The water of its quality 15-30% is added in rubbish, 300-350 DEG C is warming up to；Described burning increases power to 50-60% to adjust microwave
Left and right, is continuously heating to 600-850 DEG C, is incubated 30-40 minutes；Residue is expelled directly out in material conveying vehicle by burner hearth；
The gas of generation is discharged by the air vent on top, and the water of generation is discharged by the discharge outlet of bottom；Air inlet can also be passed through simultaneously
It is passed through other gases to be reacted.
Beneficial effects of the present invention：
1）The present invention processes the device of Biohazard Waste using microwave pressurization heating plasma, and simple structure is reasonable in design, thermal effect
Rate is high.Burner hearth is cylindrical shape, and bell and furnace bottom are arc, it is ensured that the uniformity of microwave field strength, seriality, can be maximum
Limit ground reduces the thermograde for being heated region；Biohazard Waste can not only be processed, it is also possible to various for processing other
Garbage.
2）Biohazard Waste is heated by the present invention using microwave so as to be cracked into gas and solid residue at high temperature；
The secondary pollutions such as two English of strong toxicity can't be generated.
3）Early stage of the present invention carries out early stage heating to Biohazard Waste using the electric arc that microwave plasma and microwave are produced, and has
Effect overcomes as Biohazard Waste does not absorb microwave and the problem of microwave treatment cannot be carried out to which.
4）After processed Biohazard Waste is tentatively cracked, plasma and arcing device are removed, using pure microwave to doctor
Treating garbage carries out further heat treated, it is ensured that it is stable and uniform that Biohazard Waste is cracked.5）By using PLC pair
Magnetron is controlled, and can arbitrarily arrange processing routine according to the technological requirement of various materials, carry out for different materials
Arrange, it is ensured that the realization of optimised process.
6）Whole processing procedure is carried out in closed environment, and the solid, liquid, gas body produced in burning process can be with
Collect and comprehensively utilized, it is very environmentally friendly.The results showed the Biohazard Waste effect that the method is processed is good, to therein
The strain such as bacillus subtilis, escherichia coli killing rate is 100%.
Description of the drawings
Fig. 1 is the structural representation of the device that microwave plasma of the present invention burns Biohazard Waste；
Fig. 2 is the charging and discharging schematic diagram of the device that microwave plasma of the present invention burns Biohazard Waste；
Fig. 3 is the structural representation of the plasma-arc system that microwave plasma of the present invention burns Biohazard Waste；
Fig. 4 is the structural representation of the transition waceguide that microwave plasma of the present invention burns Biohazard Waste device；
Fig. 5 is the schematic diagram of the device integrated circuit that microwave plasma of the present invention burns Biohazard Waste.
In figure, 1 is body of heater, and 1-1 is insulation material, and 1-2 is burner hearth, and 1-3 is air inlet, and 1-4 is air vent, and 2 is furnace bottom,
2-1 is support meanss, and 2-2 is discharge outlet, and 2-3 is copper mesh band micro-wave screening circle, and 2-4 is rubber seal, and 3 is temperature element, 4
For plasma-arc system, 4-1 is contact, and 4-2 is driving and reversing mechanism, and 5 is transition waceguide, and 6 is magnetron, and 7 is touch screen, and 8 are
PLC, 9 is control device, and 10 is lowering or hoisting gear, and 11 is material, and 12 is material conveying vehicle；4-1-1 is ceramic push rod, and 4-1-2 is
Base of ceramic, 4-1-3 are graphite round bar, and 4-2-1 is deceleration steering mechanism, and 4-2-2 is motor, and 4-2-3 is control circuit；5-1
For shielding ring, to seal dividing plate, 5-3 is flange to 5-2.
Specific embodiment
Embodiment one：A kind of microwave plasma burns the device of Biohazard Waste, referring to Fig. 1-4, including microwave oven,
Touch screen 7, PLC 8, control device 9, lowering or hoisting gear 10 and material conveying vehicle 12, microwave oven include body of heater 1, furnace bottom 2, survey
Warm element 3, plasma-arc system 4, transition waceguide 5 and magnetron 6.
Body of heater 1 is cylindrical shape, and the upper end of body of heater 1 is provided with hemispheric bell, is provided with upper end open in the inner chamber of body of heater 1
Columnar burner hearth 1-2, wraps up insulation material 1-1 around burner hearth 1-2.6 one-tenth of several magnetrons are circle-shaped to be evenly distributed on body of heater 1
Outside.Furnace bottom 2 and body of heater are shaped as the spherical of upper and lower end matching.The magnetron 6 and transition waceguide 5 are along 1 surrounding of body of heater
It is evenly arranged, transition waceguide 5 is stretched in body of heater 1.Transition waceguide 5 includes shielding ring 5-1, sealing dividing plate 5-2 and flange 5-3.
1 top of body of heater is provided with the temperature element 3 stretched in burner hearth.Plasma-arc system 4 includes contact 4-1 and driving and reversing mechanism 4-2, touches
Head 4-1 is made up of ceramic push rod 4-1-1, base of ceramic 4-1-2 and graphite round bar 4-1-3, wherein the head of graphite round bar 4-1-3
For pyramid type, graphite round bar 4-1-3 is connected with base of ceramic 4-1-2, and base of ceramic 4-1-2 is connected with ceramics push rod 4-1-1.Stone
Black round bar 4-1-3 is located at the front end of base of ceramic 4-1-2, and ceramic push rod 4-1-1 is located at the rear end of base of ceramic 4-1-2.Retreat
Mechanism 4-2 includes deceleration steering mechanism 4-2-1, motor 4-2-2 and control circuit 4-2-3, and ceramic push rod 4-1-1 is turned to slowing down
Mechanism 4-2-1 connects, and control circuit 4-2-3 transmits rotation command to motor 4-2-2, and the rotation of motor 4-2-2 drives to slow down and turns
To mechanism 4-2-1, deceleration steering mechanism 4-2-1 drives moving forward and backward for ceramic push rod 4-1-1, control circuit 4-2-3 and control
Device 9 sets up communication connection.
Body of heater 1 and furnace bottom 2 are stainless steel.1 top of body of heater is provided with least one set air inlet 1-3 and air vent 1-4.
Furnace bottom 2 is provided with support meanss 2-1 and discharge outlet 2-2.Be provided between body of heater 1 and furnace bottom 2 copper mesh band micro-wave screening circle 2-3 and
Rubber seal 2-4.
Magnetron 6 and transition waceguide 5 are respectively at least six, and magnetron 6 is connected with body of heater 1 by transition waceguide 5.Cross
Sealing dividing plate 5-2 is inlayed between the flange 5-3 for crossing waveguide, around sealing dividing plate 5-2, shielding ring 5-1, flange 5-3 spiral shells is provided with
Bolt is connected.Sealing dividing plate 5-2 is politef material, and shielding ring 5-1 is spun gold guipure.Magnetron 6 and transition waceguide 5
Correspondence is connected, and is evenly arranged in burner hearth surrounding, and 6 power of magnetron is 0.8 ~ 5kw.Control device adopts PLC program controller, surveys
Warm element 3 adopts infrared radiation thermometer or thermocouple, infrared radiation thermometer or thermocouple detection signal to access PLC program controller.Survey
3 output signal of warm element connects control device 9, and 9 output signal of control device is connected with PLC8 and magnetron 6.9 He of control device
The control signal of lowering or hoisting gear 10 is connected with PLC 8.PLC control circuits contain be connected with input it is a number of manually
Switch, the switching signal circuit of signal acquisition circuit.
The detection signal of temperature element 3 is transmitted to control device 9, and control device 9 is respectively to driving and reversing mechanism 4-2, magnetron 6
With 10 transmission of control signals of lowering or hoisting gear, material transport vehicle 12 is that electric hydaulic raises car, lowering or hoisting gear 10 and material transport vehicle
12 link together, and lowering or hoisting gear 10 is used for driving moving up and down for furnace bottom 2；Control device 9 and PLC 8 set up two-way communication company
Connect, PLC 8 and touch screen 7 set up two-way communication link.
After the completion of burning, product is expelled directly out in material conveying vehicle 12 by inner chamber 1-2；The gas of generation is by top
Exhaustor 2-1 is discharged, and the water of generation is discharged by the drain pipe 3-3 of bottom.
Microwave plasma technology is to utilize microwave excited gas discharge, and gas molecule is breakdown, and generation includes electronics, various
, in interior mixture, the form and property of plasma are affected strongly by additional electromagnetic field, and are deposited for ion, atom and free radical
In extremely abundant collective motion（Such as various electrostatic waves, drift wave, electromagnetic wave and nonlinear coherent structure and disturbance）, because
And energy is extremely concentrated, and with high electrothermal efficiency and high temperature, the high temperature of generation can reduce and be difficult to reduce
With the material of indissoluble.
Microwave radiation can cause the vibration aggravation of organic substance interior molecules, cause molecule to be bonded energy increase, until point
Sub-key ruptures, so as to cause the organic compound conversions of complexity for the simple compounds of low-molecular-weight.Meanwhile, using microwave etc. from
Daughter is burned to Biohazard Waste, can to tail gas in the harmful gass such as two English effectively ionized, eliminate in waste gas
Harmful gass composition, reduces Biohazard Waste and burns the secondary pollution to air.Due to microwave heating mechanism and conventional heating
It is entirely different, the dipole formed by polar molecule electrolyte and non-polar molecule electrolyte of its origin of heat in dielectric material
" friction " heat constantly rearranged with the high speed swinging of high-frequency alternating electromagnetic field.Simply by the presence of Jie with dipolar nature
Matter, it is possible to heated using microwave.It can be seen that, microwave applications are carried out adding in the Biohazard Waste containing wetly or moisture
Heat, burning disposal, are very suitable.
Embodiment two：A kind of incinerating method of the device that Biohazard Waste is burned based on microwave plasma, referring to Fig. 1-5,
Comprise the following steps：
（1）10 kilograms of water that medical waste is added 2 kilograms, are placed in burner hearth 1-2.
（2）Burner hearth 1-2 is placed on into having in support meanss 2-1 on furnace bottom 2.
（3）Start elevating mechanism 10, furnace bottom 2 is ascended into into body of heater 1 together with burner hearth 1-2 thereon, after fixing, open
Magnetron 6 exports microwave（The power of the present embodiment microwave oven is 10KW）, regulation power is 3KW, then adjusts plasma
The contact 4-1 of Arc System 4 so as to which it is 80mm to enter, and is warming up to 300 DEG C.
（4）The contact 4-1 of plasma-arc system 4 is exited, regulation microwave power is 6KW, is warming up to 600 DEG C.
（5）Adjust the contact 4-1 of plasma-arc system 4 so as to enter as 40mm, 10 minutes backed off after random.
（6）Microwave is closed, and furnace bottom 2 is opened after naturally cooling to room temperature, is started elevating mechanism 10, fall furnace bottom 2 so that stove
Thorax 1-2 leaves body of heater 1.Product is directly discharged from burner hearth 1-2, is transported in material conveying vehicle 12.Burn produce gas by
The air vent 1-4 on top is discharged, and the water of generation is discharged by discharge outlet 2-2 of bottom；Comprehensive profit is carried out after catcher is collected
With.Other gases can also be passed through by air inlet 1-3 simultaneously to be reacted.
Embodiment three：A kind of incinerating method of the device that Biohazard Waste is burned based on microwave plasma, referring to Fig. 1-5,
Comprise the following steps：
（1）20 kilograms of water that medical waste is added 5 kilograms, are placed in burner hearth 1-2.
（2）Burner hearth 1-2 is placed on into having in support meanss 2-1 on furnace bottom 2.
（3）Start elevating mechanism 10, furnace bottom 2 is ascended into into body of heater 1 together with burner hearth 1-2 thereon, after fixing, open
Microwave（The power of the present embodiment microwave oven is 20KW）, regulation power is 5KW, then adjusts plasma-arc system 4
Contact 4-1 so as to which it is 100mm to enter, and is warming up to 350 DEG C.
（4）The contact 4-1 of plasma-arc system 4 is exited, regulation microwave power is 10KW, is warming up to 650 DEG C.
（5）Adjust the contact 4-1 of plasma-arc system 4 so as to enter as 60mm, 15 minutes backed off after random.
（6）Microwave is closed, and furnace bottom 2 is opened after naturally cooling to room temperature, is started elevating mechanism 10, fall furnace bottom 2 so that stove
Thorax 1-2 leaves body of heater 1.Product is directly discharged from burner hearth 1-2, is transported in material conveying vehicle 12.Burn produce gas by
The air vent 1-4 on top is discharged, and the water of generation is discharged by discharge outlet 2-2 of bottom；Comprehensive profit is carried out after catcher is collected
With.Other gases can also be passed through by air inlet 1-3 simultaneously to be reacted.
Embodiment described above is only that the preferred embodiment of the present invention is described, and is being set without departing from the present invention
On the premise of meter spirit, various modifications and improvement that those of ordinary skill in the art are made to technical scheme all should
Fall in the protection domain of claims of the present invention determination.
Claims (7)
1. a kind of microwave plasma burns the device of Biohazard Waste, it is characterised in that including microwave oven, touch screen（7）、
PLC（8）, control device（9）, lowering or hoisting gear（10）And material conveying vehicle（12）, the microwave oven includes body of heater（1）, stove
Bottom（2）, temperature element（3）, plasma-arc system（4）, transition waceguide（5）And magnetron（6）；The body of heater（1）For cylinder
Shape, body of heater（1）Upper end be provided with hemispheric bell, body of heater（1）Inner chamber in be provided with the columnar burner hearth of upper end open（1-
2）, the upper end of bell is provided with insertion burner hearth（1-2）Internal temperature element（3）, burner hearth（1-2）Around body of heater（1）Upper bag
It is wrapped with insulation material（1-1）, body of heater（1）Outside along the circumferential direction uniform several magnetrons（6）And transition waceguide（5）, magnetic
Keyholed back plate（6）And transition waceguide（5）Connection, transition waceguide（5）Stretch into body of heater（1）It is interior；Furnace bottom（2）And body of heater（1）Be shaped as,
It is spherical that lower end matches；Described plasma-arc system（4）Including contact（4-1）And with contact（4-1）The advance and retreat of connection
Mechanism（4-2）, contact（4-1）Stretch into body of heater（1）Burner hearth（1-2）；The temperature element（3）Detection signal transmit to control
Device（9）, the control device（9）Respectively to driving and reversing mechanism（4-2）, magnetron（6）And lowering or hoisting gear（10）Transmission control letter
Number, material transport vehicle（12）Car, lowering or hoisting gear are raised for electric hydaulic（10）With material transport vehicle（12）Link together, lift
Device（10）For driving furnace bottom（2）Move up and down；Control device（9）And PLC（8）Set up two-way communication link, PLC（8）
And touch screen（7）Set up two-way communication link.
2. a kind of microwave plasma according to claim 1 burns the device of Biohazard Waste, it is characterised in that described to touch
Head（4-1）Including ceramic push rod（4-1-1）, base of ceramic（4-1-2）With graphite round bar（4-1-3）, graphite round bar（4-1-3）'s
Leading head is pyramid type, graphite round bar（4-1-3）It is located at base of ceramic（4-1-2）Front end, ceramic push rod（4-1-1）It is located at
Base of ceramic（4-1-2）Rear end, driving and reversing mechanism（4-2）Including deceleration steering mechanism（4-2-1）, motor（4-2-2）And control
Circuit（4-2-3）, ceramic push rod（4-1-1）With deceleration steering mechanism（4-2-1）Connection, control circuit（4-2-3）To motor（4-
2-2）Transmission rotation command, motor（4-2-2）Rotation drive deceleration steering mechanism（4-2-1）, deceleration steering mechanism（4-2-1）
Drive ceramic push rod（4-1-1）Movable, control circuit（4-2-3）With control device（9）Set up communication connection.
3. a kind of microwave plasma according to claim 2 burns the device of Biohazard Waste, it is characterised in that the magnetic
Keyholed back plate（6）And transition waceguide（5）Respectively at least six, magnetron（6）By transition waceguide（5）With body of heater（1）It is connected；Institute
State the flange of transition waceguide（5-3）Between inlay sealing dividing plate（5-2）, seal dividing plate（5-2）Surrounding is provided with shielding ring（5-
1）, flange（5-3）It is joined with bolts；Sealing dividing plate（5-2）For politef material, shielding ring（5-1）For spun gold net
Band.
4. a kind of microwave plasma according to claim 3 burns the device of Biohazard Waste, it is characterised in that the control
Device processed（9）Using PLC program controller, temperature element（3）Using infrared radiation thermometer or thermocouple, infrared radiation thermometer or thermoelectricity
Even output signal accesses PLC program controller；PLC control circuits contain several hand switches being connected with input, signal
The switching signal circuit of Acquisition Circuit.
5. a kind of microwave plasma according to any one of claim 1-4 burns the device of Biohazard Waste, and its feature exists
In the body of heater（1）And furnace bottom（2）It is stainless steel；Body of heater（1）Least one set air inlet is provided with the bell on top
（1-3）And air vent（1-4）；Furnace bottom（2）It is provided with support meanss（2-1）And discharge outlet（2-2）, support meanss（2-1）It is upper
End and burner hearth（1-2）Lower surface connection, discharge outlet（2-2）It is provided with control valve；Body of heater（1）And furnace bottom（2）Between be provided with
Copper mesh band micro-wave screening circle（2-3）And rubber seal（2-4）.
6. a kind of microwave plasma based on described in claim 5 burns the incinerating method of the device of Biohazard Waste, its feature
It is to comprise the following steps：
S1., medical waste is placed in the burner hearth of microwave oven（1-2）In, add a certain amount of water；
S2. pass through control device（9）Open magnetron（6）, the 20-30% of microwave to peak power is adjusted, plasma is then adjusted
Arc System（4）Driving and reversing mechanism（4-2）, make contact（4-1）Into burner hearth（1-2）Depth be 10-40mm, carry out microwave pre-
Process；
S3. exit plasma-arc system（4）Contact（4-1）, microwave increase power is adjusted, is burned；
S4. adjust plasma-arc system（4）Contact（4-1）So as to enter burner hearth（1-2）Depth be 40-100mm, 10-
30 minutes backed off after random；
S5. naturally cool to room temperature.
7. it is according to claim 6 it is a kind of based on microwave plasma burn Biohazard Waste device incinerating method, its
It is characterised by, the power of the microwave oven is 10～20KW, during the microwave pretreatment is medical waste after being pulverized
The water of its quality 15-30% is added, 300-350 DEG C is warming up to；Described burning increases power to 50-60% to adjust microwave, continues
600-850 DEG C is warming up to, 30-40 minutes are incubated；Residue is by burner hearth（1-2）It is expelled directly out entering material conveying vehicle（12）In；
Air vent of the gas of generation by top（1-4）Discharge, the discharge outlet of the water of generation by bottom（2-2）Discharge；Simultaneously can also
By air inlet（1-3）It is passed through other gases to be reacted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611135698.3A CN106524172B (en) | 2016-12-12 | 2016-12-12 | A kind of microwave plasma burns the method and device of Biohazard Waste |
Applications Claiming Priority (1)
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| CN109874221A (en) * | 2019-04-08 | 2019-06-11 | 东北大学 | A kind of method for generating plasma using microwave energized gas under normal temperature and pressure |
| CN110094740A (en) * | 2019-05-05 | 2019-08-06 | 毛渊 | A kind of solid waste treatment device with filter structure easy access |
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| CN106524172B (en) | 2019-04-05 |
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