CN114517102A - Microwave feed port injection method and device - Google Patents
Microwave feed port injection method and device Download PDFInfo
- Publication number
- CN114517102A CN114517102A CN202011304490.6A CN202011304490A CN114517102A CN 114517102 A CN114517102 A CN 114517102A CN 202011304490 A CN202011304490 A CN 202011304490A CN 114517102 A CN114517102 A CN 114517102A
- Authority
- CN
- China
- Prior art keywords
- microwave
- pipe
- waveguide pipe
- fixed connection
- bent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000002347 injection Methods 0.000 title claims abstract description 10
- 239000007924 injection Substances 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 239000000919 ceramic Substances 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000007664 blowing Methods 0.000 claims description 14
- 238000005336 cracking Methods 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 238000006477 desulfuration reaction Methods 0.000 claims description 3
- 230000023556 desulfurization Effects 0.000 claims description 3
- 239000000523 sample Substances 0.000 abstract description 6
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 4
- 239000007921 spray Substances 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract description 4
- 238000000197 pyrolysis Methods 0.000 abstract description 2
- 239000010920 waste tyre Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B43/00—Preventing or removing incrustations
- C10B43/02—Removing incrustations
- C10B43/04—Removing incrustations by mechanical means
- C10B43/06—Removing incrustations by mechanical means from conduits, valves or the like
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/07—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of solid raw materials consisting of synthetic polymeric materials, e.g. tyres
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a microwave feed port injection method and a device, relating to the technical field of microwave ignition treatment; the left end of microwave source keeps fixed connection with the one end of straight waveguide pipe, the other end of straight waveguide pipe keeps fixed connection through microwave ceramic plate and bent waveguide pipe, the left end fixedly connected with microwave ulcerate of bent waveguide pipe, the outside and the intake pipe of bent waveguide pipe arc return bend keep fixed connection, fixed mounting has the photoelectric detection mouth in the intake pipe, and before the material got into the pyrolysis furnace, insert nitrogen gas earlier by the intake pipe and spray to the waveguide pipe, wait for material normal operating, produce stable schizolysis weather and switch over to flammable noncondensable gas and spray to its surge pipe, switch over to nitrogen gas spraying again before the equipment shuts down, until the material operation finishes, stop spraying after the equipment temperature cooling, can solve the microwave phenomenon of striking sparks that the arc light detection probe that leads to because the microwave ceramic plate is polluted by the material like this completely.
Description
Technical Field
The invention belongs to the technical field of microwave ignition treatment, and particularly relates to a microwave feed port injection method and device.
Background
With the mass production of waste tires, the recycling industry of waste tires has been greatly developed. At present, the waste tires in China are mainly used for producing reclaimed rubber and rubber powder, the production energy consumption of the reclaimed rubber is high, the pollution is serious, and the reclaimed rubber is gradually eliminated in the world; the rubber powder product is not widely popularized in the market application of China and has limited production capacity. In addition, the rubber product can not be used for producing rubber products after being recycled for 2-3 times, and the thermal cracking technology is a final way for recycling waste tires and is one of important methods for treating the waste tires.
The microwave in the microwave section of the existing cracking furnace cannot be added, the reflected power is very high, the microwave reflected power is normal condition below ten percent, because the ceramic plate is seriously polluted by cracking gas, ignition is easy to cause, when the arc light probe detects the arc light, the microwave generator is protected, the microwave emission is stopped, and the arc light detection probe in the microwave section of the cracking furnace frequently detects the microwave ignition phenomenon to cause microwave failure.
Disclosure of Invention
Aiming at solving the problems of the defects and the shortcomings of the prior art; the invention aims to provide a microwave feed port injection method and a microwave feed port injection device which are simple in structure, reasonable in design and convenient to use.
In order to achieve the purpose, the microwave feed port injection method adopted by the invention is characterized by comprising the following steps: the method comprises the following steps:
firstly, the method comprises the following steps: before the material enters the cracking furnace, nitrogen of 0.1-0.3Mpa is introduced through an air inlet pipe to blow a waveguide tube;
II, secondly: waiting for the normal operation of the materials, and switching to combustible non-condensable gas to blow the waveguide tube when stable cracking climate is generated;
thirdly, the method comprises the following steps: before the equipment is stopped, the nitrogen injection is switched until the material operation is finished;
fourthly, the method comprises the following steps: cooling the equipment to below 80-120 deg.c and stopping blowing.
Preferably, the combustible non-condensable gas is fixedly provided by a desulfurization buffer tank.
A microwave feed blowing device is characterized in that: the microwave energy-saving microwave oven comprises a microwave source, a straight waveguide tube, a microwave ceramic plate, a bent waveguide tube, a microwave breach, a photoelectric detection port and an air inlet tube; the left end of microwave source keeps fixed connection with the one end of straight waveguide pipe, the other end of straight waveguide pipe keeps fixed connection with the bent waveguide pipe through microwave ceramic plate, the left end fixedly connected with microwave ulcerate of bent waveguide pipe, the outside and the intake pipe of bent waveguide pipe arc return bend keep fixed connection, fixed mounting has the photoelectric detection mouth in the intake pipe.
Preferably, the air inlet pipe is fixedly communicated with the straight waveguide pipe and the bent waveguide pipe.
Preferably, the left end of the microwave source is fixedly connected with the straight waveguide pipe through a connecting flange.
Compared with the prior art, the invention has the beneficial effects that: before the material got into the pyrolysis furnace, insert nitrogen gas by the intake pipe earlier and spray the waveguide pipe, wait for material normal operating, produce stable schizolysis weather and switch over to flammable noncondensable gas and spray to its surge pipe, switch over to nitrogen gas spraying and blowing again before equipment shuts down, until the material operation finishes, stop spraying and blowing after the equipment temperature cooling, can solve the microwave phenomenon of striking sparks because the arc light detection probe that microwave ceramic plate is polluted by the material leads to like this completely.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: the microwave detection device comprises a microwave source 1, a straight waveguide tube 2, a microwave ceramic plate 3, a bent waveguide tube 4, a microwave breach 5, a photoelectric detection port 6 and an air inlet tube 7.
Detailed Description
In order that the objects, aspects and advantages of the invention will become more apparent, the invention will be described by way of example only, and in connection with the accompanying drawings. It is to be understood that such description is merely illustrative and not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the drawings, and other details not so relevant to the present invention are omitted.
A microwave feed port blowing method is characterized in that: the method comprises the following steps: before the material enters the cracking furnace, 0.2Mpa of nitrogen is introduced into the straight waveguide tube 2 and the bent waveguide tube 4 through the air inlet tube 7 for blowing; waiting for the normal operation of the materials, and switching to combustible non-condensable gas to blow the waveguide tube when stable cracking climate is generated; before the equipment is stopped, the nitrogen injection is switched until the material operation is finished; the equipment temperature is cooled to be below 100 ℃, and the blowing is stopped. Therefore, the microwave ignition phenomenon detected by the arc light detection probe due to the pollution of the microwave ceramic plate by the material can be completely solved.
Wherein, the combustible non-condensable gas is fixedly provided by a desulfurization buffer tank.
As shown in fig. 1, a microwave feeder blowing device comprises a microwave source 1, a straight waveguide tube 2, a microwave ceramic plate 3, a bent waveguide tube 4, a microwave breach 5, a photoelectric detection port 6 and an air inlet tube 7; the left end of microwave source 1 keeps fixed connection with the one end of straight waveguide pipe 2, the other end of straight waveguide pipe 2 keeps fixed connection through microwave ceramic plate 3 and bend waveguide pipe 4, the left end fixedly connected with microwave ulcerate 5 of bend waveguide pipe 4, the outside and the intake pipe 7 of bend waveguide pipe 4 arc return bend keep fixed connection, fixed mounting has photoelectric detection mouth 6 on the intake pipe 7, intake pipe 7 and straight waveguide pipe 2 and bend waveguide pipe 4 fixed inside intercommunication that keeps, the left end of microwave source 1 keeps fixed connection through flange and straight waveguide pipe 2.
The beneficial effects of the embodiment are as follows: the microwave ignition device can completely solve the microwave ignition phenomenon detected by the arc light detection probe due to the fact that the microwave ceramic plate is polluted by materials, so that microwave faults are avoided, and the operation efficiency of equipment is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A microwave feed port blowing method is characterized in that: the method comprises the following steps:
firstly, the method comprises the following steps: before the material enters the cracking furnace, nitrogen of 0.1-0.3Mpa is introduced through an air inlet pipe to blow a waveguide tube;
II, secondly: waiting for the normal operation of the materials, and switching to combustible non-condensable gas to blow the waveguide tube when stable cracking climate is generated;
thirdly, the method comprises the following steps: before the equipment is stopped, the nitrogen injection is switched until the material operation is finished;
fourthly, the method comprises the following steps: cooling the equipment to below 80-120 deg.c and stopping blowing.
2. The microwave feed blowing method of claim 1, wherein: the combustible non-condensable gas is fixedly provided by a desulfurization buffer tank.
3. A microwave feed blowing device is characterized in that: the microwave detection device comprises a microwave source (1), a straight waveguide tube (2), a microwave ceramic plate (3), a bent waveguide tube (4), a microwave breach (5), a photoelectric detection port (6) and an air inlet tube (7); the left end of microwave source (1) keeps fixed connection with the one end of straight waveguide pipe (2), the other end of straight waveguide pipe (2) keeps fixed connection through microwave ceramic plate (3) and bent waveguide pipe (4), the left end fixedly connected with microwave of bent waveguide pipe (4) bursts mouthful (5), the outside and intake pipe (7) of bent waveguide pipe (4) arc return bend keep fixed connection, fixed mounting has photoelectric detection mouth (6) on intake pipe (7).
4. A microwave feed blowing device according to claim 3, characterised in that: the air inlet pipe (7) is fixedly communicated with the straight waveguide pipe (2) and the bent waveguide pipe (4).
5. A microwave feed blowing device according to claim 3, characterised in that: the left end of the microwave source (1) is fixedly connected with the straight waveguide tube (2) through a connecting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011304490.6A CN114517102A (en) | 2020-11-19 | 2020-11-19 | Microwave feed port injection method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011304490.6A CN114517102A (en) | 2020-11-19 | 2020-11-19 | Microwave feed port injection method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114517102A true CN114517102A (en) | 2022-05-20 |
Family
ID=81594252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011304490.6A Pending CN114517102A (en) | 2020-11-19 | 2020-11-19 | Microwave feed port injection method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114517102A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000304233A (en) * | 1999-04-21 | 2000-11-02 | Nippon Steel Corp | Device for measuring height of waste bed in waste melting furnace |
| JP2001089121A (en) * | 1999-09-17 | 2001-04-03 | Hitachi Ltd | Microwave-heating method of active carbon and controlling device |
| CN205078774U (en) * | 2015-10-21 | 2016-03-09 | 南京麦科罗微科技有限公司 | A mouth is presented to pressure -bearing for microwave channels into pressure vessel |
| CN208121041U (en) * | 2018-06-11 | 2018-11-20 | 南京三乐微波技术发展有限公司 | A kind of rubber product microwave cracking chamber of band feedback mouth cleaning function |
| CN110677973A (en) * | 2019-11-07 | 2020-01-10 | 成都悦坤科技有限公司 | Microwave plasma waste solid cracking device |
| US20200102502A1 (en) * | 2017-03-27 | 2020-04-02 | Scanship As | Microwave pyrolysis reactor |
-
2020
- 2020-11-19 CN CN202011304490.6A patent/CN114517102A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000304233A (en) * | 1999-04-21 | 2000-11-02 | Nippon Steel Corp | Device for measuring height of waste bed in waste melting furnace |
| JP2001089121A (en) * | 1999-09-17 | 2001-04-03 | Hitachi Ltd | Microwave-heating method of active carbon and controlling device |
| CN205078774U (en) * | 2015-10-21 | 2016-03-09 | 南京麦科罗微科技有限公司 | A mouth is presented to pressure -bearing for microwave channels into pressure vessel |
| US20200102502A1 (en) * | 2017-03-27 | 2020-04-02 | Scanship As | Microwave pyrolysis reactor |
| CN208121041U (en) * | 2018-06-11 | 2018-11-20 | 南京三乐微波技术发展有限公司 | A kind of rubber product microwave cracking chamber of band feedback mouth cleaning function |
| CN110677973A (en) * | 2019-11-07 | 2020-01-10 | 成都悦坤科技有限公司 | Microwave plasma waste solid cracking device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216192462U (en) | Converter dry dedusting and smoke discharging system | |
| CN206112929U (en) | Low heat value gas companion burns ware | |
| CN114517102A (en) | Microwave feed port injection method and device | |
| CN210176894U (en) | Dry dedusting system for converter primary flue gas ultralow emission and smoke plume elimination | |
| CN203224116U (en) | Air source biomass drying energy-saving and environment-friendly system | |
| CN101492256A (en) | Method for directly burning calcium carbide furnace gas to manufacture lime by using rotary kiln | |
| CN108423680A (en) | A kind of two sections of chemical activation stoves of self-heat-supply | |
| CN201778068U (en) | Quenching furnace tail gas combustion heat recycling system | |
| CN205079582U (en) | Glass fiber goods waste gas recovery drying device | |
| CN200971344Y (en) | High efficient energy-saving waste rubber cracking equipment | |
| CN102607286A (en) | Molten salt furnace afterheat power-generation and combustion comprehensive utilizing system | |
| CN209069020U (en) | A kind of car type furnace with function of recovering waste heat | |
| CN103013188A (en) | Production process for environment-friendly carbon black powder | |
| CN208312396U (en) | A kind of halogen-free flame retardants production waste gas recovery processing unit | |
| CN208378435U (en) | A kind of two sections of chemical activation furnaces of self-heat-supply | |
| CN215365605U (en) | Novel tail gas innocent treatment system | |
| CN202757467U (en) | System for comprehensively utilizing waste heat of salt melting furnace for power generation and combustion | |
| CN211451911U (en) | Structure is recycled in burning of carbomorphism kiln flue gas recovery | |
| CN204151218U (en) | A kind of coating line heating system utilizing the high-temperature tail gas producing glass microballon | |
| CN219647149U (en) | Device for recycling carbon in flue gas | |
| CN215365595U (en) | Combustible residual gas recycling system | |
| CN215863420U (en) | Automatic maintenance device for waste incineration boiler | |
| CN220186795U (en) | Waste heat recovery energy-saving boiler | |
| CN104180648B (en) | A kind of quick firing system of domestic ceramics and production technology thereof | |
| CN218202640U (en) | Retrieval and utilization type environmental protection equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220520 |