CN206451517U - A kind of middle cool waste processing unit - Google Patents

Abstract

The utility model belongs to middle cool waste processing equipment technical field, it is related to a kind of waste treatment equipment, particularly a kind of middle cool waste processing unit, the combustable organic class discarded object comprising middle low-level radioactive substance for handling nuclear power plant's generation, also it can be used in handling hospital, factory, the middle low-level radioactive substance discarded object of the generations such as research institution, the volume reduction and harmless treatment of cool waste in realization, including pyrolysis reactor, burner, catalytic converter, spray washing tower and high temperature-resistive pipeline, communicated between each device by high temperature-resistive pipeline；It is easy to seal up for safekeeping, landfill disposal, and volume reduction rate can eliminate core radiocontamination and air environmental pollution more than 95%；Using gentle thermocatalytic degradation technique；Its simple in construction, principle is reliable, and volume reduction rate is high, and solidification effect is good, and application environment is friendly, and investment and operation cost are low, and environment protecting is good, with good economic benefit and wide market prospects.

Description

A kind of middle cool waste processing unit

Technical field：

The utility model belongs to middle cool waste processing equipment technical field, is related to a kind of waste treatment equipment, special It is not a kind of middle cool waste processing unit, includes and put for handling hospital, factory, research institution and nuclear power plant's generation The combustable organic class discarded object of penetrating property material, the volume reduction and harmless treatment of cool waste in realization.

Background technology：

From technological layer classification, radwaste is broadly divided into high radioactivity and the class of middle low-activity two.High radioactivity is put Injectivity waste mainly includes spentnuclear fuel and its processed material that nuclear fuel is produced after generating；Middle cool waste generally comprises core Hydration system, exchanger resin when the contaminated equipment in power station, detection device, operation, waste water and waste liquid；Also include hospital, factory, grind Study carefully mechanism and nuclear power plant etc. produce include radioactive substance discarded object, such as clothing, stationery, test tool, in low radiation Property waste accounted for the 99% of all radwastes, wherein, it is most of for nuclear power plant produce it is useless comprising radioactive substance Gurry, the harmfulness of middle cool waste is relatively low, but radwaste is with unique properties, makes it very numb in processes It is tired：1. radioactivity：The radioactivity of radwaste can not be eliminated with general physics, chemistry and biological method, can only be by radiation The decay of property nucleic itself and reduce.2. radio-hazard：When the ray that radwaste is released is by material, occurs ionization and swash Breaking-out is used, and can cause radiation injury to organism.3. heat energy discharges：Radionuclide releases energy by decaying in radwaste Amount, when radionuclide amount is higher, the heat energy of release can cause the temperature of radwaste constantly to rise, or even make solution Voluntarily seethe with excitement, solid is voluntarily melted.

How radwaste is effectively handled, be always generation while maximized radwaste volume can be reduced The pendent problem in various countries of boundary, the U.S. has carried out the research up to 20 years in the problem, and consumes multi-billion dollar Expenditure.International Atomic Energy Agency requires very tight for the processing and disposal of radwaste, and requires that various countries act in accordance with it, and And various countries will receive international supervision when delivering.The processing of centering cool waste, International Atomic Energy Agency's requirement, whether Solid radioactive waste or liquid radioactive wastes, will carry out curing process, and it is inner to be subsequently installed in closing " container ", is placed on shallow In the disposal storehouse on stratum.Middle cool waste is relatively low because of its harm, and current way is to be excavated on ground deeply about in the world 10-20 meters of trench, then builds up various radiation proof engineering barriers, by by incinerating the radwaste tank that compression is cured It is put into wherein and buries, after a period of time, the radioactive substance in these wastes will decays into harmless material, this The method of kind passes through the development of decades, although technology is very ripe, but needs to take substantial amounts of nuclear waste stockyard space.With The development of China's Nuclear Electricity, Chinese Nuclear Industry In The Past system accumulate in, low solid waste of putting reach tens thousand of cubic meters, China has The radwaste stockyard space of limit far can not meet the requirement that low-level waste is stored in future, therefore, using reliable Handling process, realizes that centering cool waste volume reduction harmless treatment is extremely urgent.

The content of the invention：

The purpose of this utility model is the shortcoming for overcoming prior art to exist, and seeks a kind of middle cool waste of design The problem that cool waste accumulating amount is big in processing unit, solution, storage is difficult, in realization the volume reductionization of cool waste and Harmless treatment.

To achieve these goals, the primary structure for the middle cool waste processing unit that the utility model is related to includes Pyrolysis reactor, burner, catalytic converter, spray washing tower and high temperature-resistive pipeline, pyrolysis reactor, burner, catalysis turn Change and communicated between device, spray washing tower by high temperature-resistive pipeline, the pyrolysis reactor includes heater, closing charging system System, spiral propeller, closing discharge system, electric furnace, the first temperature controller and motor；The closing feed system includes charging Mouth and sealing inlet valve；The spiral propeller includes worm screw and feed pipe；The closing discharge system goes out comprising solid residue Mouth, sealing material discharging valve and gas vent；The burner includes combustion head and burner body, and burner body includes two-stage electricity Magnet valve, automatic oil burning loop oil pump, servomotor and air inlet, the first air inlet；Provided with insulation outside the catalytic converter Layer, internal filling solid catalyst；The spray washing tower comprising flow container, spray washing tower main body, water circulating pump, air-introduced machine, Shower, inlet opening, fluid hole, shower nozzle, the second air inlet, exhaust outlet, blast pipe, osculum；Horizontally disposed screw propulsion Device is made up of the feed pipe of worm screw and hollow structure, and the inside of feed pipe is provided with worm screw, and the outer pipe wall wound form of feed pipe is set It is equipped with heater and forms zone of heating, the heater is resistive heater, the outside of heater is provided with case structure Electric furnace, electric furnace includes flame retardant coating and heat-insulation layer successively from the inside to the outside, and electric furnace electrically connects with the first temperature controller, First temperature controller is used to control the pyrolysis temperature in heater, realizes that material is fully pyrolyzed；The input of feed pipe with it is vertical The bottom of the closing feed system of setting is connected, and closing feed system includes charging aperture and sealing inlet valve, seals inlet valve For sealed feed inlet so that pyrolysis reactor can be fed in the environment of anoxic or anoxybiotic, the input of spiral propeller Electrically connected with motor, motor belt motor dynamic spiral propeller rotates and controls fltting speed, it is ensured that the material in pyrolysis reactor is complete Pyrolysis, the output end of feed pipe provided with closing discharge system, closing discharge system comprising solid residue outlet, sealing inlet valve and Gas vent, solid residue outlet is sealed by sealing inlet valve, is connected with three industrial wastes processing system pipe network, for arranging Go out discarded object residue；Gas vent is connected by high temperature-resistive pipeline with the first air inlet set on burner, and burner is Explosion-proof oil gas dual burner, burner includes combustion head and burner body, and the combustion head and burner body of burner are equal Communicated using exotic material and duct type, combustion head is concentric annular structure, and outer shroud is gas port, and inner ring is fuel port, combustion The combustion chamber that case structure is provided with outside head is burnt, burner body includes two-stage electromagnetic valve, automatic oil burning loop oil pump, servo electricity Machine, air inlet and the first air inlet, automatic oil burning loop oil pump are provided with two-stage electromagnetic valve, two-stage electromagnetic valve and servomotor electricity Connection, the top of burner body is provided with the first air inlet, and the bottom of burner body is provided with air inlet, automatic oil burning loop oil Pump realizes the abundant burning of combustible by adjusting air inlet by adjusting amount of fuel, servomotor；Produced after being burnt in combustion head Raw tail gas enters the input of catalytic converter by high temperature-resistive pipeline, and catalytic converter is that high temperature resistant stainless steel Solid Bed is anti- Device is answered, outside is provided with heat-insulation layer, and internal filling solid catalyst, the output end of catalytic converter passes through high temperature-resistive pipeline and spray The second air inlet on water scrubber is connected, and the bottom level of spray washing tower is provided with flow container, and the top of flow container is provided with second Air inlet, the top of flow container is provided with water inlet and feeding opening, and water inlet is used to inject industrial water, and feeding opening is used to inject weak base Property absorbing liquid, the bottom of flow container is provided with fluid hole, and fluid hole passes through the spray washing tower master of shower and the column being vertically arranged The inlet opening that the top of body is provided with is connected, and shower is provided with water circulating pump, the shower of spray washing tower body interior More than one shower nozzle is provided with, the exhaust outlet that the top of spray washing tower main body is provided with is connected through blast pipe with air-introduced machine；

The sealing inlet valve and sealing material discharging valve are double barrier valves, or are base-plate valve, or are Starlike valve so that pyrolysis apparatus It is interior to maintain anoxic or the working condition of anoxybiotic；

The spray washing tower main body is corrosion-resistant stainless steel material.

The first improvement project of the present utility model is：Save catalytic converter structure, the output end of burner passes through resistance to High temperature conduit is connected with the second air inlet of spray washing tower.

Second of improved procedure of the present utility model be：Increase heat exchanger structure, the heat exchanger is with the resistance to of control valve High temperature conduit, the input of heat exchanger is communicated with burner tail gas outlet, and the output end of heat exchanger is communicated with catalytic converter, is changed The high temperature-resistive pipeline of hot device is spirally arranged at the outside of burner fuel gas inlet pipeline, is made by high temperature-resistive pipeline after burning The gas of high-temperature tail gas and burner inlet is exchanged heat；Its process step is step (2) with difference of the present utility model, opens The control valve of dynamic burner front opening burner tail gas outlet, realizes burner tail gas and inlet gas heat exchange, improves burner The temperature of inlet gas, realizes that recycle heat is utilized, reduces energy consumption.

The third improved procedure of the present utility model is：Increase heat exchanger structure, while catalytic converter structure is saved, institute Heat exchanger is stated for the high temperature-resistive pipeline with control valve, the input of heat exchanger is exported with burner tail gas to be communicated, heat exchanger it is defeated Go out end to communicate with spray washing tower, the high temperature-resistive pipeline of heat exchanger is spirally arranged at the outside of burner fuel gas inlet pipeline, The gas for making the high-temperature tail gas after burning and burner inlet by high temperature-resistive pipeline is exchanged heat；Its process step and the first The difference of improved procedure is step (2), starts the control valve of burner front opening burner tail gas outlet, realizes burner tail Gas and inlet gas heat exchange, improve the temperature of burner inlet gas, realize that recycle heat is utilized, reduce energy consumption.

The operation principle for the middle cool waste processing unit that the utility model is related to is：By middle cool waste from Charging aperture feeding closing feed system, by sealing inlet valve sealed feed inlet so that pyrolysis reactor can be in anoxic or exhausted Middle cool waste is pyrolyzed in the environment of oxygen, middle cool waste can be pyrolyzed as gas and solid residue, in low put 95%-98% radioactive element is rested in solid residue in injectivity waste, is exported and is discharged through solid residue, uniformly seals up for safekeeping simultaneously Cement solidification is handled；2%-5% radioactive element enters burner with the gas of generation；Burner is by unburned complete one Carbonoxide and hydrocarbon conversion are into carbon dioxide and water vapour, and by conversion of nitrogen oxides into nitrogen, and enter by second Gas port is discharged into spray washing tower, and alkalescent absorbent solution will be evacuated through exhaust outlet after gas purification and discharged in spray washing tower, Alkalescent absorbent solution is discharged into waste water pipe network, collection and uniform disposal.

The specific work of cool waste in the middle cool waste processing unit processing being related to using the utility model Skill step is：

(1) heater is started：Start the heater of pyrolysis reactor, the temperature for setting the first temperature controller is 300- 600℃；

(2) burner is started：Start automatic oil burning loop oil pump, open two-stage electromagnetic valve automatic ignition and sequentially burn, When the partially stabilized burning of burner fuel, it is 800-1300 DEG C to keep chamber temperature, and pyrolysis gas enters burner combustion, that is, fires Burner is burnt by center section oil atomizing, and amount of fuel, servomotor regulation air inlet are adjusted using automatic oil burning loop oil pump Ensure that pyrolysis gas fully burns；

(3) spray washing tower is started：Start the water circulating pump and air-introduced machine of spray washing tower, prerun 3-5 minutes successively Afterwards；

(4) feed：It is described solid by middle cool waste and solid catalyst by charging aperture feeding closing feed system Body catalyst is the bentonite that alkali metal ion is modified, and closes sealing inlet valve；Start spiral under conditions of anoxybiotic or anoxic Propeller, sets rotating speed to be 1-5 revs/min and promotes material completely into pyrolysis reactor；The consumption of the solid catalyst is The 0.5-2% of middle cool waste gross mass；

(5) pyrolytic reaction：Middle cool waste solid catalyst effect under pyrolysis be gas and solid residue, in it is low 95%-98% radioactive element is rested on to export through solid residue in solid residue and discharged in radwaste, is uniformly sealed up for safekeeping And cement solidification is handled；2%-5% radioactive element enters burner with the gas of generation；

(6) burning and catalytic reaction：2%-5% radioactive element is fully atomized combustion with the gas of generation with fuel oil Burn, the mixed gas that burning is produced enters catalytic converter, in the presence of solid catalyst, by a unburned complete oxidation Carbon and hydrocarbon conversion are into carbon dioxide and water vapour, and by conversion of nitrogen oxides into nitrogen, and pass through the second air inlet It is discharged into flow container；

(7) purification reaction：The mixed gas of carbon dioxide, water vapour and nitrogen enters after flow container, spray washing tower main body On shower nozzle spray alkalescent absorbent solution from top, the component of alkalescent absorbent solution low-activity will give up with concentration in The composition of thing determined, and contact with the mixed gas full regression of high temperature and carry out purification reaction, and corrosion-resistant circulating water pump can be followed Ring spray drenches alkalescent absorbent solution so that the acidic components in mixed gas are fully absorbed by alkalescent absorbent solution；Only a few Volatility radionuclide is trapped by alkalescent absorbent solution；

(8) discharge：Gas is evacuated by air-introduced machine through exhaust outlet after the qualified purification of monitoring discharges；Used in spray washing tower Alkalescent absorbent solution Radionuclide is reached before the discharge upper limit, centralized and unified by it from osculum is discharged into waste water pipe network water Processing, then adds new alkalescent absorbent solution by water inlet and feeding opening；Step 4- steps 7 are repeated to continue to throw Material, with the stabilization of pyrolysis apparatus working condition, feeding amount is gradually increased to the specified treating capacity of pyrolysis apparatus, low-activity in realization The volume reduction and harmless treatment of waste.

The solid catalyst is preferably the bentonite that alkali metal ion is modified, and cement solidification effect is good；The burner Fuel be diesel oil, or for lubricating oil.

Hospital, factory, research institution and nuclear power plant compared with prior art, can be produced to include and put by the utility model The combustable organic class waste of penetrating property material is treated as solid residue, facilitate it is follow-up seal up for safekeeping, landfill disposal, volume reduction rate exceedes 95%；Radioactivity is extremely low and can be discharged into industrial wastewater pipe network without the waste water of organic cod；Core radiation can be eliminated dirty Dye and air environmental pollution；Using gentle thermocatalytic degradation technique, combustable organic nucleoid protective articles and resinae can be handled Waste, its simple in construction, principle is reliable, and volume reduction rate is high, and solidification effect is good, and application environment is friendly, and investment and operation cost are low, section Can be environmentally friendly, with good economic benefit and wide market prospects.

Brief description of the drawings

Fig. 1 is the agent structure principle schematic for the middle cool waste processing unit that the utility model is related to.

Fig. 2 is the agent structure principle schematic of embodiment 2.

Fig. 3 is the agent structure principle schematic of embodiment 3.

Fig. 4 is the agent structure principle schematic of embodiment 4.

Fig. 5 is the flow chart element of cool waste in the middle cool waste processing unit processing that the utility model is related to Figure.

Embodiment

Below in conjunction with the accompanying drawings and embodiment is described further to the utility model.

Embodiment 1：

The agent structure for the middle cool waste processing unit that the present embodiment is related to includes pyrolysis reactor 1, burner 2nd, catalytic converter 3, spray washing tower 4 and high temperature-resistive pipeline 5, pyrolysis reactor 1, burner 2, catalytic converter 3, shower water Wash between tower 4 and communicated by high temperature-resistive pipeline 5, pyrolysis reactor 1, which includes heater 11, closing feed system 12, spiral, to be pushed away Enter device 13, closing discharge system 14, electric furnace 15, the first temperature controller 16 and motor 17, closing feed system 12 includes charging Mouth 121 and sealing inlet valve 122, spiral propeller 13 include worm screw 131 and feed pipe 132, and closing discharge system 14 includes solid Body solid discharge 141, sealing material discharging valve 142 and gas vent 143；The burner 2 includes combustion head 21 and burner body 22, burner body 22 includes two-stage electromagnetic valve 23, automatic oil burning loop oil pump 24, servomotor 25, air inlet 26 and first Air inlet 27；The outside of catalytic converter 3 is provided with heat-insulation layer 31, internal filling solid catalyst 32；The spray washing tower 4 Include flow container 41, spray washing tower main body 42, water circulating pump 43, air-introduced machine 44, shower 45, inlet opening 46, fluid hole 47, spray First 48, second air inlet 49, exhaust outlet 50, blast pipe 51, osculum 52, water inlet 53, feeding opening 54；Horizontally disposed spiral Propeller 13 is made up of the feed pipe 132 of worm screw 131 and hollow structure, and the inside of feed pipe 132 is provided with worm screw 131, feed pipe 132 outer pipe wall wound form is provided with heater 11 and forms zone of heating, and the heater 11 is resistive heater, plus The outside of thermal 11 is provided with the electric furnace 15 of case structure, and electric furnace 15 includes flame retardant coating and insulation successively from the inside to the outside Layer, electric furnace 15 is electrically connected with the first temperature controller 16, and the first temperature controller 16 is used to control the pyrolysis temperature in heater 11, Realize that material is fully pyrolyzed；The input of feed pipe 132 is connected with the bottom for the closing feed system 12 being vertically arranged, closing Feed system 12 includes charging aperture 121 and sealing inlet valve 122, and sealing inlet valve 122 is used for sealed feed inlet 121 so that heat Solution reactor 1 can be fed in the environment of anoxic or anoxybiotic, and the input of spiral propeller 13 is electrically connected with motor 17, motor 17 band dynamic spiral propellers 13 are rotated and control fltting speed, it is ensured that the material in pyrolysis reactor is pyrolyzed completely, feed pipe 132 Output end provided with closing discharge system 14, closing discharge system 14 includes solid residue outlet 141, sealing inlet valve 142 and Gas vent 143, solid residue outlet 141 is sealed by sealing inlet valve 142, is connected with three industrial wastes processing system pipe network It is logical, for discharging discarded object residue；Gas vent 143 passes through the first air inlet 27 for being set on high temperature-resistive pipeline 5 and burner 2 It is connected, burner 2 is explosion-proof oil gas dual burner, burner 2 includes combustion head 21 and burner body 22, burner 2 Combustion head 21 and burner body 22 communicated using exotic material and duct type, combustion head 21 is concentric annular structure, Outer shroud is gas port, and inner ring is fuel port, and the outside of combustion head 21 is provided with the combustion chamber 28 of case structure, and burner body 22 is included Two-stage electromagnetic valve 23, automatic oil burning loop oil pump 24, servomotor 25, the air inlet 27 of air inlet 26 and first, automatic oil burning are returned Road binders pump 24 is provided with two-stage electromagnetic valve 23, and two-stage electromagnetic valve 23 is electrically connected with servomotor 25, the top of burner body 22 Provided with the first air inlet 27, the bottom of burner body 22 is provided with air inlet 26, and automatic oil burning loop oil pump 24 is fired by adjusting Oil mass, servomotor 25 realizes the abundant burning of combustible by adjusting air inlet 26；The tail produced after being burnt in combustion head 21 Gas enters the input of catalytic converter 3 by high temperature-resistive pipeline 5, and catalytic converter 3 reacts for high temperature resistant stainless steel Solid Bed Device, outside is provided with heat-insulation layer 31, internal filling solid catalyst 32, the output end of catalytic converter 3 by high temperature-resistive pipeline 5 with The second air inlet 49 on spray washing tower 4 is connected, and the bottom level of spray washing tower 4 is provided with flow container 41, flow container 41 Top is provided with the second air inlet 49, and the top of flow container 41 is provided with water inlet 53 and feeding opening 54, and water inlet 53 is used to inject industry With water, feeding opening 54 is used to inject alkalescent absorbing liquid, and the bottom of flow container 41 is provided with fluid hole 47, and fluid hole 47 passes through shower 45 inlet openings 46 being provided with the top of the spray washing tower main body 42 for the column being vertically arranged are connected, and shower 45 is provided with More than one shower nozzle 48, spray washing tower are provided with shower 45 inside water circulating pump 43, spray washing tower main body 42 The exhaust outlet 50 that the top of main body 42 is provided with is connected through blast pipe 51 with air-introduced machine 44；

The sealing inlet valve 122 and sealing material discharging valve 142 can replace with double dividing plate valves, or be base-plate valve, or be Star-like feed valve so that anoxic or the working condition of anoxybiotic are maintained in pyrolysis apparatus；

The spray washing tower main body 42 is corrosion-resistant stainless steel material；

The concrete technology of cool waste in the middle cool waste processing unit processing being related to using the present embodiment Step is：

(1) heater 11 is started：Start the heater 11 of pyrolysis reactor 1, the temperature of the first temperature controller 16 is set For 300-600 DEG C；

(2) burner 2 is started：Start automatic oil burning loop oil pump 24, open the automatic ignition of two-stage electromagnetic valve 23 and sequentially Burning, when the partially stabilized burning of burner fuel, the temperature for keeping combustion chamber 28 is 800-1300 DEG C, and pyrolysis gas enters burner 2 burnings, i.e., burner 2 is burnt by center section oil atomizing, and amount of fuel, servo electricity are adjusted using automatic oil burning loop oil pump 24 The regulation air inlet 26 of machine 25 ensures that pyrolysis gas fully burns；

(3) spray washing tower 3 is started：Start the water circulating pump 43 and air-introduced machine 44 of spray washing tower, prerun 3-5 successively After minute；

(4) feed：By middle cool waste and solid catalyst according to mass ratio 100:1 ratio passes through charging aperture 121 feeding closing feed systems 12, the solid catalyst is the bentonite that alkali metal ion is modified, and closes sealing inlet valve 122；Under conditions of anoxybiotic or anoxic start spiral propeller 13, set rotating speed be 1-5 revs/min promote material completely into Pyrolysis reactor 1；

(5) pyrolytic reaction：Middle cool waste solid catalyst effect under pyrolysis be gas and solid residue, in it is low 95%-98% radioactive element is rested in solid residue through the discharge of solid residue outlet 141, unified envelope in radwaste Deposit and cement solidification processing；2%-5% radioactive element enters burner 2 with the gas of generation；

(6) burning and catalytic reaction：2%-5% radioactive element is fully atomized combustion with the gas of generation with fuel oil Burn, the mixed gas that burning is produced enters catalytic converter 3, in the presence of catalyst 32, by a unburned complete oxidation Carbon and hydrocarbon conversion are into carbon dioxide and water vapour, and by conversion of nitrogen oxides into nitrogen, and oxysulfide changes into two Sulfur oxide, and be discharged into by the second air inlet 49 in flow container 41；

(7) purification reaction：The mixed gas of carbon dioxide, water vapour and nitrogen enters after flow container 41, spray washing tower master Shower nozzle 48 on body 42 sprays alkalescent absorbent solution from top, and component and the concentration of alkalescent absorbent solution low in will be put The composition of injectivity waste determines, and contact with the mixed gas full regression of high temperature and carry out purification reaction, corrosion-resistant circulating water pump 43 being capable of circulated sprinkling alkalescent absorbent solution so that the acidic components in mixed gas are fully inhaled by alkalescent absorbent solution Receive；Only a few volatility radionuclide is trapped by alkalescent absorbent solution；

(8) discharge：Evacuated and discharged through exhaust outlet 50 by air-introduced machine 44 after gas cooling after the qualified purification of monitoring；Spray Alkalescent absorbent solution Radionuclide used in water scrubber is reached before the discharge upper limit, and it is discharged into waste water pipe network from osculum 52 In, then collection and uniform disposal adds new alkalescent absorbent solution by water inlet 53 and feeding opening 54；Repeat step 4- steps 7 continue to feed intake, with the stabilization of pyrolysis apparatus working condition, and feeding amount is gradually increased to the specified treating capacity of pyrolysis apparatus, The volume reduction and harmless treatment of cool waste in realization.

The solid catalyst 32 is preferably the bentonite that alkali metal ion is modified, and cement solidification effect is good；The burning The fuel of device 2 is diesel oil, or is lubricating oil.

Embodiment 2：

The present embodiment and the difference of embodiment 1 are：Save the structure of catalytic converter 3, the output end of burner 2 passes through resistance to High temperature conduit 5 is connected with the second air inlet 49 of spray washing tower 4.

Embodiment 3：

The present embodiment and the difference of embodiment 1 are：Increase the structure of heat exchanger 6, the heat exchanger 6 is with control valve 61 High temperature-resistive pipeline 62, the input of heat exchanger 6 is communicated with the offgas outlet of burner 2, the output end and catalytic converter of heat exchanger 6 3 communicate, and the high temperature-resistive pipeline 62 of heat exchanger 6 is arranged at the outside of the fuel gas inlet pipeline 63 of burner 2, passes through high temperature-resistive pipeline 62 The gas of the high-temperature tail gas after burning and the entrance of burner 2 is set to be exchanged heat；The difference of its process step and embodiment 1 is to walk Suddenly (2), start the control valve 61 of the offgas outlet of 2 front opening burner of burner 2, realize that the tail gas of burner 2 and inlet gas are changed Heat, improves the temperature of the inlet gas of burner 2, realizes that recycle heat is utilized, reduces energy consumption.

Embodiment 4：

The present embodiment and the difference of embodiment 2 are：Increase the structure of heat exchanger 6, the heat exchanger 6 is with control valve 61 High temperature-resistive pipeline 62, the input of heat exchanger 6 is communicated with the offgas outlet of burner 2, output end and the spray washing tower of heat exchanger 6 4 communicate, and the high temperature-resistive pipeline 62 of heat exchanger 6 is arranged at the outside of the fuel gas inlet pipeline 63 of burner 2, passes through high temperature-resistive pipeline 62 The gas of the high-temperature tail gas after burning and the entrance of burner 2 is set to be exchanged heat；The difference of its process step and embodiment 2 is to walk Suddenly (2), start the control valve 61 of the offgas outlet of 2 front opening burner of burner 2, realize that the tail gas of burner 2 and inlet gas are changed Heat, improves the temperature of the inlet gas of burner 2, realizes that recycle heat is utilized, reduces energy consumption.

Claims (5)

1. a kind of middle cool waste processing unit, it is characterised in that agent structure includes pyrolysis reactor, burner, catalysis Converter, spray washing tower and high temperature-resistive pipeline, pass through between pyrolysis reactor, burner, catalytic converter, spray washing tower High temperature-resistive pipeline is communicated, and the pyrolysis reactor includes heater, closing feed system, spiral propeller, closing discharging system System, electric furnace, the first temperature controller and motor；The closing feed system includes charging aperture and sealing inlet valve；The spiral Propeller includes worm screw and feed pipe；The closing discharge system includes solid residue outlet, sealing material discharging valve and gas vent； The burner includes combustion head and combustion chamber main body, and combustion chamber main body includes two-stage electromagnetic valve, automatic oil burning loop oil pump, watched Take motor, air inlet and the first air inlet；Heat-insulation layer, internal filling solid catalyst are provided with outside the catalytic converter；Institute State spray washing tower and include flow container, spray washing tower main body, water circulating pump, air-introduced machine, shower, inlet opening, fluid hole, spray Head, the second air inlet, exhaust outlet, blast pipe and osculum；Horizontally disposed spiral propeller is entered by worm screw and hollow structure Expects pipe is constituted, and the inside of feed pipe is provided with worm screw, and the outer pipe wall wound form of feed pipe is provided with heater and forms heating Layer, the heater is resistive heater, and the outside of heater is provided with the electric furnace of case structure, and electric furnace is by interior To flame retardant coating and heat-insulation layer is included successively outside, electric furnace is electrically connected with the first temperature controller；The input of feed pipe with setting vertically The bottom for the closing feed system put is connected, and closing feed system includes charging aperture and sealing inlet valve, and sealing inlet valve is close Charging aperture is sealed, the input of spiral propeller is electrically connected with motor, the output end of feed pipe is closed out provided with closing discharge system Material system includes solid residue outlet, sealing inlet valve and gas vent, and solid residue outlet is close by sealing inlet valve progress Envelope；Gas vent is connected by high temperature-resistive pipeline with the first air inlet set on burner, and burner is explosion-proof oil gas two With burner, burner includes combustion head and burner body, and the combustion head and burner body duct type of burner are communicated, and fires Burning head is concentric annular structure, and outer shroud is gas port, and inner ring is that the combustion chamber of case structure is provided with outside fuel port, combustion head, Combustion chamber main body includes two-stage electromagnetic valve, automatic oil burning loop oil pump, servomotor, air inlet and the first air inlet, automatic combustion Oil return line oil pump is provided with two-stage electromagnetic valve, and two-stage electromagnetic valve electrically connects with servomotor, and the top of combustion chamber main body is provided with the One air inlet, the bottom of combustion chamber main body is provided with air inlet；Combustion head passes through high temperature-resistive pipeline and the input of catalytic converter Connection, catalytic converter is solid-bed reactor, outside be provided with heat-insulation layer, internal filling solid catalyst, catalytic converter Output end is connected by high temperature-resistive pipeline with the second air inlet on spray washing tower, and the bottom level of spray washing tower is set There is flow container, the top of flow container is provided with the second air inlet, and the top of flow container is provided with water inlet and feeding opening, and the bottom of flow container is provided with out Fluid apertures, fluid hole is connected by shower with the inlet opening that the top of the spray washing tower main body for the column being vertically arranged is provided with Logical, shower is provided with water circulating pump, the shower of spray washing tower body interior and is provided with more than one shower nozzle, sprays The exhaust outlet that the top of water scrubber main body is provided with is connected through blast pipe with air-introduced machine.

2. cool waste processing unit in as claimed in claim 1, it is characterised in that：The sealing inlet valve and sealing Outlet valve is double barrier valves, or is base-plate valve, or is Starlike valve.

3. the middle cool waste processing unit as described in any one in claim 1-2, it is characterised in that：Save catalysis Converter structure, the output end of burner is connected by high temperature-resistive pipeline with the second air inlet of spray washing tower.

4. cool waste processing unit in as claimed in claim 3, it is characterised in that：Increase heat exchanger structure, it is described Heat exchanger is the high temperature-resistive pipeline with control valve, and the input of heat exchanger is communicated with burner tail gas outlet, the output of heat exchanger End is communicated with catalytic converter, and the high temperature-resistive pipeline of heat exchanger is spirally arranged at the outside of burner fuel gas inlet pipeline.

5. the middle cool waste processing unit as described in any one in claim 1-2, it is characterised in that：Increase heat exchange Device structure, the heat exchanger is the high temperature-resistive pipeline with control valve, and the input of heat exchanger is communicated with burner tail gas outlet, changed The output end of hot device is communicated with spray washing tower, and the high temperature-resistive pipeline of heat exchanger is spirally arranged at burner fuel gas inlet pipeline Outside.