CN104751929B - It is integrated low to put combustible solid wastes by utilizing incinerator - Google Patents
It is integrated low to put combustible solid wastes by utilizing incinerator Download PDFInfo
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- CN104751929B CN104751929B CN201310731980.8A CN201310731980A CN104751929B CN 104751929 B CN104751929 B CN 104751929B CN 201310731980 A CN201310731980 A CN 201310731980A CN 104751929 B CN104751929 B CN 104751929B
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- incinerator
- flue gas
- cooling
- air
- solid wastes
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/28—Treating solids
- G21F9/30—Processing
- G21F9/32—Processing by incineration
Abstract
The present invention relates to a kind of Radwastes treatment technologies, and in particular to a kind of to be used to handle the low integrated incinerator for putting combustible solid wastes by utilizing.Its structure includes waste incineration system, flue gas cooling and purifying system, air supplying and exhausting system, closed dust removing system, safe emergency system, cooling water recirculation system, pressure empty set system and electric meter control system.Wherein, the flue gas of the waste incineration system enters flue gas cooling and purifying system and is cooled down, and is discharged after purified equipment clean from chimney；The bottom of incinerator connects closed dust removing system, and the flying dust that incinerator generates is drained into ash bucket；The pressure fan of air supplying and exhausting system conveys cooling wind through blasting high-efficiency filter to flue gas cooling and purifying system, and the flue gas of combustion furnace from flue gas cooling and purifying system is extracted out and sent to chimney by air-introduced machine.Single unit system of the present invention is compact, and floor space is small, and modularized design facilitates installation and debugging and device to run, and device is simple and efficient to handle, safe and reliable, has wide application prospect.
Description
Technical field
The present invention relates to a kind of Radwastes treatment technologies, and in particular to one kind low puts combustible solid wastes by utilizing for handling
Integrated incinerator.
Background technology
It burns and substantially volume reduction can be achieved, reduce the expense of storage, transport and disposition；Organic matter is converted into inorganic matter, burns
The advantages that product is easy to reorganize and outfit, improve the safety of final disposal, in the extensive use of Radwastes treatment field.
In units such as certain nuclear plants, naval and the Second Artillery Force in China, give up running, generating low solid of putting during maintenance
Object, wherein most are combustible waste, these wastes are with radioactive activity is low, pollution nucleic type is single, waste type phase
To the characteristics of simple, waste yield is little.These wastes exist simultaneously security risk, burn if do not handled occupancy huge stocks
Burning processing is highly effective method.But for such waste, since waste yield is limited, large-scale burning facility is built from warp
Ji property, equipment operation maintenance etc. are all unsuitable, so carrying out the exploitation tool of small integrated low-level waste incineration technology
Significant and necessity.
Invention content
The purpose of the present invention is be directed to radioactive activity it is low, pollution nucleic type it is single, waste type is relatively simple can
Solid waste is fired, using control air incineration treatment technology, provides and a kind of integrated low puts combustible solid wastes by utilizing incinerator.
Technical scheme is as follows：It is a kind of it is integrated it is low put combustible solid wastes by utilizing incinerator, including incineration of waste
System, flue gas cooling and purifying system, air supplying and exhausting system, closed dust removing system, safe emergency system, cooling water recirculation system, pressure
Empty set is united and electric meter control system, wherein, the waste incineration system includes the material packet being connect with incinerator conveying dress
It puts, incinerator is connected with combustion furnace；The flue gas of the combustion furnace enters the water cooling heat exchanger and sky of flue gas cooling and purifying system
Cooler is cooled down, and is discharged after purified equipment clean from chimney；The bottom of incinerator connects the incinerator of closed dust removing system
Ash exhauster, incinerator ash exhauster drain into the flying dust that incinerator generates in ash bucket in ash discharge seal box；Air supplying and exhausting system
Pressure fan convey cooling wind to the air cooler of flue gas cooling and purifying system through blasting high-efficiency filter, air-introduced machine is by combustion furnace
Flue gas is extracted out from flue gas cooling and purifying system and is sent to chimney.
Further, it is as described above it is integrated it is low put combustible solid wastes by utilizing incinerator, wherein, the combustion furnace includes
Interconnected horizontal small hearth and vertical big burner hearth, the top of incinerator are connected with the horizontal small hearth of combustion furnace, burn
Stove is equipped with moving grate and automatic ignition device, and incinerator body is jacket type structure, and combustion furnace, which is provided with, helps oil burning installation.
Further, it is as described above it is integrated it is low put combustible solid wastes by utilizing incinerator, wherein, flue gas cooling is net
The cleaning equipment of change system includes being sequentially connected the bag hose of setting, hi-temp hi-effective filter, sour gas absorber, activated carbon suction
Adnexa, the flying dust of bag hose trapping are discharged by the bag hose ash exhauster of closed dust removing system in ash bucket.
Further, it is as described above it is integrated it is low put combustible solid wastes by utilizing incinerator, wherein, flue gas cooling is net
Air after the air cooler heating of change system, which is admitted in incinerator, is used as combustion air.
Further, it is as described above it is integrated it is low put combustible solid wastes by utilizing incinerator, wherein, the cooling water circulation
Cooling water in cooling water tank is sent into the water-cooling jacket of water cooling heat exchanger and incinerator by system by cooling water circulating pump.
Further, it is as described above it is integrated it is low put combustible solid wastes by utilizing incinerator, wherein, pressure empty set system by
Air compressor machine, filter, pressure empty buffer tank composition, for providing pneumatic power source for waste incineration system and being that flue gas cooling is net
The bag hose blowback of change system provides compressed air.
Further, it is as described above it is integrated it is low put combustible solid wastes by utilizing incinerator, wherein, the safety, which is met an urgent need, is
System includes the dump valve being connected with the combustion furnace of waste incineration system and emergent hi-temp hi-effective filter, is followed with cooling water
The Emergent water tank and emergency power supply that loop system is connected.
Further, it is as described above it is integrated it is low put combustible solid wastes by utilizing incinerator, wherein, the electric meter control
System processed includes one and realizes the central controlled concentration electrical control cabinet of Central Control Room to electric equipments start and stop, and one to scene
The electric control box that equipment realization controls on the spot, the collection that a computer acquisition to operation data is controlled with display and program
Middle console.
Beneficial effects of the present invention are as follows：The present invention carries out incineration system integrated artistic using control air incineration technology
Design, design treatment ability are 20~30kg/h, and the intermittent mode operation of batch is not provided with pretreatment procedure, waste charging, point
Fire, furnace lifting process safety are convenient and efficient, and complete flue gas cooling, purification technique and safe emergency system is configured, ensures that flue gas reaches
Mark discharge.Suitable control system is configured simultaneously, ensures system safe and stable operation.Carry out incinerator over all Integration modularization
Design arrangement, it is ensured that realize that the compact floor space of single unit system is small under the premise of functions of the equipments（Become from conventional nearly thousand square meter
Less than 100 square meters）, equipment install that easy workload is small, the construction period is short, operation operation is easy, easy to maintain, whole invests
The advantages that being greatly reduced.The present apparatus is alternatively arranged as vehicle-mounted jury rig by repacking, during meeting accident emergency incineration of waste subtract
Appearance demand.Present apparatus operational safety is stablized, and burning is complete, discharge has reached standard requirement.
Description of the drawings
Fig. 1 is the system flow schematic diagram of the present invention；
Fig. 2 is the structure diagram of incinerator and combustion furnace；
Fig. 3 is the sectional view of A-A in Fig. 2.
Specific embodiment
The present invention is described in detail with implementation process below in conjunction with the accompanying drawings.
Integrated low combustible solid wastes by utilizing incinerator of putting provided by the present invention is cooled down only by waste incineration system, flue gas
Change system, air supplying and exhausting system, closed dust removing system, safe emergency system, cooling water recirculation system, pressure empty set system and electric meter
The compositions such as control system.
About 80 square meter of device entirety floor space, integration of equipments modular arrangement.Device burns work using control air
Skill can intermittently or serially be run, and waste is without pre-treatment, as long as waste drum meets Feed size and can be radiated；Cigarette
Gas purification does not generate process waste liquor in the process of running using dry cleaning；Device is cooled down using cooling water closed cycle, substantially
Cooling water need not be supplemented.Computer control, operating condition real time monitoring are realized in device operation control.
As shown in Figure 1, the integrated low each system structure composition for putting combustible solid wastes by utilizing incinerator is as follows：
（1）Waste incineration system：Mainly by material packet conveying device, incinerator, combustion furnace, incinerator automatic ignition device,
Combustion furnace helps oil burning installation（Oil transfer pump, fuel reserve tank, burner）Deng composition.Wherein core is incinerator and combustion furnace.
As shown in Figure 2 and Figure 3, incinerator 2 is the core equipment of incineration system, and the bed of material can be roughly divided into preheating from top to bottom
Layer, pyrolytic layer are burnt and grieshoch.Wherein, waste is generated volatility combustion gas in pyrolytic layer by thermal decomposition（Including gas and tar
Mist）It is burnt with pyrolysis, and burning and the waste being pyrolyzed is burnt into ash using air-breathing in grieshoch, ash content, which then enters, to be burned
Fire grate apparatus for ash.Incinerator is integrally mainly made of several parts such as closed-type feed valve, furnace body, fire grate.Wherein, inlet valve 1 is by turning over
Lid valve, gate valve and pusher valve are formed, and the opening and closing and charging for realizing feed inlet are driven by cylinder, renovate valve and material packet conveying dress
Put connected, gate valve is connect with furnace body, and pusher valve pushes litter bag to enter in pyrolysis oven.The overall structure of furnace body is vertical type cylinder
Shape furnace body is equipped with moving grate, First air air inlet, automatic ignition device, mouth and ash discharge turnover panel phase under furnace body in furnace body hypomere
Even；Furnace body global design is the air-cooled combination jacket type structure of water cooling；In addition, in order to reduce the carbon left in ash, incinerator design
Moving grate, fire grate are made of respectively two semicircle fire grate segments, can low-angle shake or large rotation angle.
Combustion furnace 5 is the equipment that high-temp combustion is provided for combustible gas, tar fog.Wherein, combustible gas burning completely whether,
Be directly affect subsequent process equipment can normal operation principal element, be the basic guarantor that can technical indicator up to standard
Card.Combustion furnace is made of the part such as furnace body, refractory material, thermal insulation material and oil burner, and furnace body is by horizontal small hearth and stands
The big burner hearth of formula is formed, and the top of incinerator 2 is connected with the horizontal small hearth of combustion furnace 5, and discharge is equipped with above vertical big burner hearth
Valve 4.Wherein, oil burner 3 is normal air-feeding type, prevents the damage of heat radiation and tempering to burner, burner is set to small
In burner hearth, the high temperature incineration area being rapidly heated is provided, realizes and the high-temp combustion of combustible gas is adjusted with temperature-compensating；Refractory material
High aluminium material is selected to be made, is resistant to long-term 1300 DEG C of use；In addition, helping oil burning installation for mating be provided with of combustion furnace, realize
Automatic conveying, storage and the supply of combustion-supporting diesel oil.
（2）Flue gas cooling and purifying system：By shell and tube water cooling heat exchanger, air cooler, bag hose, hi-temp hi-effective filter,
The compositions such as sour gas absorber, active carbon adsorber.
Flue gas cooling carries out flue gas cooling using water cooling and air-cooled be combined, and 850 DEG C or more of high-temperature flue gas is cooled to
200 DEG C hereinafter, the air after air cooler heating is sent into incinerator and is used as combustion air.Gas cleaning uses dry cleaning
Technique is made of pre-filtering-high efficiency filter-dry method deacidification-activated carbon adsorption, ensures tail gas qualified discharge, while do not generate and put
Penetrating property waste liquid.Pre-filtering carries out smoke filtration using bag hose；High efficiency filter selects resistance to 200 DEG C of efficient filter core；Using acid gas
Adsorbent bed carries out flue gas deacidification；Using the adsorption filtration of active-carbon bed progress bioxin and heavy metal etc..
（3）Air supplying and exhausting system：It is made of pressure fan, blasting high-efficiency filter and air-introduced machine, wind turbine is centrifugal blower.Its
In, air-introduced machine, which is used to from incineration system extract flue gas out, is sent into smoke stack emission, while ensure that inside entire incineration system be negative
Pressure prevents radioactivity and poisonous and harmful substance from being revealed to environment；Blower-use is in the supply of air cooler cooling wind and for incinerator
Combustion air is provided, to prevent radgas from leaking while setting blasting high-efficiency filter.
（4）Closed dust removing system：It is made of ash bucket, ash discharge seal box, incinerator ash exhauster, bag hose ash exhauster.
Ash bucket is sent into the ash exhauster in seal box, moves to bottom of incinerator sealing docking, opens ash-valve and carries out ash discharge, while bag hose
The flying dust of trapping is also discharged into ash bucket barrelling together by bag hose ash exhauster and removes.Entire ash discharge process is closed isolation
Straighforward operation in addition to upper grey bung need to be operated by gloves, realizes automatic interlock control.
（5）Safe emergency system：By groups such as dump valve, emergent hi-temp hi-effective filter, Emergent water tank, emergency power supplies
Into dump valve and emergent hi-temp hi-effective filter are connected with the combustion furnace of waste incineration system, Emergent water tank and cooling
Water circulation system is connected, it is ensured that the equipment safety blowing out under the abnormal conditions such as power-off dehydration.
（6）Cooling water recirculation system：By cooling water circulating pump, water tank, cooling water tank, cooling water sealing and circulating cooling dress
It the compositions such as puts, cools down and protect the supply of cooling water needed for equipment for incineration flue gas.Entire cooling water recirculation system is closed circuit
Cooling water in cooling water tank is sent into the water-cooling jacket of shell and tube water cooling heat exchanger and pyrolysis oven by cycle, cooling water circulating pump
In, the hot water after heat absorption heating then enters in water tank；Water after cooling, which is returned in cooling water tank, to be continued to recycle.Just
Supplement cooling water is not needed in normal operational process.
（7）Press empty set system：It is made of air compressor machine, filter, pressure empty buffer tank, for providing pneumatic power for incineration system
Source and provide compressed air for bag hose blowback.
（8）Electric meter control system：Setting one concentrates electrical control cabinet to be controlled in being realized to electric equipments start and stop
Room centralized Control；One electric control box of site setup controls the realization of certain field devices on the spot.Setting one is controlled in concentrating
Platform realizes that the computer acquisition to operation data is controlled with display and program, while sets live camera acquisition and Central Control Room
Monitor, which is shown, to carry out operating condition the function such as to monitor；Remote transmission meter is used to parameters such as temperature, flow, pressure, pressure difference, liquid levels
Table, transmitter output, console centralized displaying.The main measurement parameter of incinerator include burn furnace temperature, furnace temperature,
Bag hose temperature, high efficiency particulate air filter temperature, cooling water temperature, water cooler temperature and first and second wind flow, furnace bottom negative pressure, bag
Pressure, water tank and oil tank liquid level etc. after pressure difference, high efficiency particulate air filter pressure difference, the total negative pressure of system, water pump before and after filter, while need to add
The operation settings interlock control system such as material, ash discharge.
By showing that incinerator Processes and apparatus is feasible in the practical application of certain unit, device operational safety is stablized, combustion
Burning-out is complete, emission index has reached standard requirement after testing.The present invention is under the premise of device technique performance is ensured, for not
Radioactive liquid waste is generated, using dry purification process, saves wet absorption equipment, remaining equipment size suitably reduces, and substantially
Reduce equipment duct coupling；Meanwhile based on can this device be applied to vehicle-carried mobile Emergency use, mobile unit arrangement need to be met
The demand taken up little area, by system and device by function dividing system, each modularized design, then by the integral dress of the system integration
It puts, realizes similar standard configurations.Occupation of land is greatly reduced in the integrated incinerator of this innovation；Modularized design facilitates peace
Adjustment examination and device operation, shorten the construction period；Device is simple and efficient to handle, maintenance and repair is convenient, safe and reliable, reduces
Whole investment, has wide application prospect.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technology
Within, then the present invention is also intended to include these modifications and variations.
Claims (7)
1. it is a kind of it is integrated it is low put combustible solid wastes by utilizing incinerator, including waste incineration system, flue gas cooling and purifying system, send
Exhaust system, closed dust removing system, safe emergency system, cooling water recirculation system, pressure empty set system and electric meter control system,
It is characterized in that：The waste incineration system includes the material packet conveying device being connect with incinerator, incinerator and combustion furnace phase
Connection, the combustion furnace include interconnected horizontal small hearth and vertical big burner hearth, the top of incinerator and combustion furnace
Horizontal small hearth is connected, and burner is set in small hearth, provides the high temperature incineration area being rapidly heated；The cigarette of the combustion furnace
Gas enters the water cooling heat exchanger of flue gas cooling and purifying system and air cooler is cooled down, and is arranged after purified equipment clean from chimney
Go out, the air after the air cooler heating of flue gas cooling and purifying system, which is admitted in incinerator, is used as combustion air；The bottom of incinerator
Portion connects the incinerator ash exhauster of closed dust removing system, what incinerator ash exhauster generated incinerator in ash discharge seal box
Flying dust is drained into ash bucket；Air cooler of the pressure fan of air supplying and exhausting system through blasting high-efficiency filter to flue gas cooling and purifying system is defeated
Cooling wind is sent, the flue gas of combustion furnace from flue gas cooling and purifying system is extracted out and sent to chimney by air-introduced machine.
2. integrated low combustible solid wastes by utilizing incinerator is put as described in claim 1, it is characterised in that：Incinerator, which is equipped with, lives
Dynamic fire grate and automatic ignition device, incinerator body are jacket type structure, and combustion furnace, which is provided with, helps oil burning installation.
3. integrated low combustible solid wastes by utilizing incinerator is put as described in claim 1, it is characterised in that：The flue gas is cold
But the cleaning equipment of cleaning system includes being sequentially connected the bag hose of setting, hi-temp hi-effective filter, sour gas absorber, activity
Charcoal absorber, the flying dust of bag hose trapping are discharged by the bag hose ash exhauster of closed dust removing system in ash bucket.
4. integrated low combustible solid wastes by utilizing incinerator is put as claimed in claim 2, it is characterised in that：The cooling water
Cooling water in cooling water tank is sent into the water-cooling jacket of water cooling heat exchanger and incinerator by cooling water circulating pump by the circulatory system
In.
5. integrated low combustible solid wastes by utilizing incinerator is put as claimed in claim 3, it is characterised in that：The pressure empty set
System is made of air compressor machine, filter, pressure empty buffer tank, for providing pneumatic power source for waste incineration system and being that flue gas is cold
But the bag hose blowback of cleaning system provides compressed air.
6. integrated low combustible solid wastes by utilizing incinerator is put as described in claim 1, it is characterised in that：The safety should
Anxious system includes the dump valve being connected with the combustion furnace of waste incineration system and emergent hi-temp hi-effective filter, with cooling
The Emergent water tank and emergency power supply that water circulation system is connected.
7. integrated low combustible solid wastes by utilizing incinerator is put as described in claim 1, it is characterised in that：The electrical instrument
Table control system includes one and realizes the central controlled concentration electrical control cabinet of Central Control Room to electric equipments start and stop, and one right
The electric control box that field device realization controls on the spot, a computer acquisition to operation data are controlled with display and program
Concentration console.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310731980.8A CN104751929B (en) | 2013-12-26 | 2013-12-26 | It is integrated low to put combustible solid wastes by utilizing incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310731980.8A CN104751929B (en) | 2013-12-26 | 2013-12-26 | It is integrated low to put combustible solid wastes by utilizing incinerator |
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| Publication Number | Publication Date |
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| CN104751929A CN104751929A (en) | 2015-07-01 |
| CN104751929B true CN104751929B (en) | 2018-07-06 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106875997A (en) * | 2017-01-19 | 2017-06-20 | 杨红波 | The low technique for putting degradable waste in a kind for the treatment of |
| CN108428487A (en) * | 2017-02-15 | 2018-08-21 | 洛阳海特智能科技有限公司 | Mobile radioactive liquid goods and materials burning processing system and method |
| CN108167841B (en) * | 2018-01-31 | 2023-09-08 | 青岛天和清原科技有限公司 | Middle-low level waste thermochemical treatment system |
| CN110942839A (en) * | 2019-09-19 | 2020-03-31 | 中国人民解放军火箭军研究院核技术研究所 | Low-level radioactive solid waste microwave pyrolysis-incineration device |
| CN110743336A (en) * | 2019-09-19 | 2020-02-04 | 中国人民解放军火箭军研究院核技术研究所 | Flue gas purification system |
| CN111473339B (en) * | 2020-03-20 | 2023-06-23 | 中国辐射防护研究院 | Improved pyrolysis incinerator for combustible radioactive waste |
| CN111473338B (en) * | 2020-03-20 | 2023-06-23 | 中国辐射防护研究院 | Improved pyrolysis incineration process for combustible radioactive waste |
| CN113154410A (en) * | 2021-03-19 | 2021-07-23 | 中国辐射防护研究院 | Vehicle-mounted low-emission combustible waste incineration device and process |
| CN113266828B (en) * | 2021-04-08 | 2023-03-21 | 中国辐射防护研究院 | Radioactive waste pyrolysis combustion furnace |
| CN113587111B (en) * | 2021-08-09 | 2023-11-24 | 绵阳科大久创科技有限公司 | High-temperature incinerator and matched flue gas cooling and purifying tower |
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| US4416855A (en) * | 1981-02-09 | 1983-11-22 | Koch Process Systems, Inc. | Radioactive waste treatment apparatus |
| FR2659877B1 (en) * | 1990-03-23 | 1992-11-27 | Tanari Rene | PROCESS AND OVEN FOR TREATING INCINERABLE WASTE. |
| US20080181835A1 (en) * | 2006-12-01 | 2008-07-31 | Mason J Bradley | Steam reforming process system for graphite destruction and capture of radionuclides |
| CN201155763Y (en) * | 2007-12-11 | 2008-11-26 | 北京机电院高技术股份有限公司 | Vehicle mounted chemical dangerous articles burning processing unit |
| CN202384021U (en) * | 2011-11-25 | 2012-08-15 | 中国辐射防护研究院 | Novel radioactive waste pyrolyzing furnace |
| JP5954704B2 (en) * | 2012-04-19 | 2016-07-20 | 公立大学法人首都大学東京 | Closed system flue gas treatment system |
| CN103363531B (en) * | 2013-07-08 | 2015-09-16 | 上海灿州环境工程有限公司 | A kind of dangerous waste incinerator complexes |
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