CN109469913A - A kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency - Google Patents

A kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency Download PDF

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Publication number
CN109469913A
CN109469913A CN201811593228.0A CN201811593228A CN109469913A CN 109469913 A CN109469913 A CN 109469913A CN 201811593228 A CN201811593228 A CN 201811593228A CN 109469913 A CN109469913 A CN 109469913A
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China
Prior art keywords
pitch
flue
exhaust gas
heat
environment
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CN201811593228.0A
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CN109469913B (en
Inventor
余强
王承先
闻勇
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TIANJIN HAITAI ENVIRONMENTAL PROTECTION TECHNOLOGY DEVELOPMENT Co Ltd
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TIANJIN HAITAI ENVIRONMENTAL PROTECTION TECHNOLOGY DEVELOPMENT Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10CWORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
    • C10C3/00Working-up pitch, asphalt, bitumen
    • C10C3/002Working-up pitch, asphalt, bitumen by thermal means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44Details; Accessories
    • F23G5/46Recuperation of heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/06Arrangements of devices for treating smoke or fumes of coolers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Civil Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Road Paving Machines (AREA)

Abstract

The present invention relates to a kind of pitch exhaust gas multiple treating systems of environment-friendly high-efficiency, device is utilized including pitch waste gas burner and pitch heat energy from waste gas, pitch waste gas burner includes combustor and regenerative chamber, it is connected to pitch heat energy from waste gas using the flue in device in regenerative chamber rear end by pipeline after pitch waste gas burning, the high-temperature flue gas after burning is discharged after pitch heat energy from waste gas is utilized and exchanged heat in device;Pitch heat energy from waste gas includes tank body, flue, inorganic heat tube and blender using device, and flue, inorganic heat tube and blender are set in tank body, and inorganic heat tube is mounted on the high-temperature region of flue, is radiated outward heated asphalt by the wall heat and inorganic heat tube of flue.Pitch waste gas burner of the invention, makes pitch exhaust gas be fully burned, and almost all produces CO2、H2The substances such as O avoid pollution environment, while flue gas enters pitch heat energy from waste gas using discharging after device recycling heat after burning, realizes that the environment-friendly high-efficiency of pitch exhaust gas utilizes.

Description

A kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency
Technical field
The invention belongs to exhaust-gas treatment fields, and in particular to a kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency.
Background technique
Pitch powder-modified asphalt is laid with urban road expressway and bridge floor, reduction and absorption of noise, improves wheel and road surface Adhesive force, improving friction stablizes brake, and frost-cracking-preventing antiageing effect good winter does not crack, and hot day is not soft viscous, and makes a large amount of Waste tire is recycled.But asphalt powder under 185 DEG C~195 DEG C states with asphalt mixing when, have largely containing ether, The vicious flue gas evolution such as hydrogen cyanide, sulfur dioxide, wherein the BaP contained is that polycyclic aromatic hydrocarbon Poisoning is maximum a kind of strong The aerosol that various types particle is formed in carcinogenic substance, with atmosphere is combined together, in 8 microns or less inhalable grits, directly The ratio for meeting sucking lung is higher, sucks lung through respiratory tract, into alveolar even blood, leads to lung cancer and cardiovascular disease.
Previous asphalt powder at high operating temperatures with asphalt mixing when, evolution it is vicious containing ether, hydrogen cyanide, sulfur dioxide etc. Flue gas after heat exchanger in exhaust gas cooling device is cooling, into oil-washing apparatus processing after be directly discharged into atmosphere, at the smelly flue gas of poison It is not satisfactory to manage effect.
Although the smelly ingredient of flue gas poison of pitch powder-modified asphalt can be effectively removed using a variety of chemically and physically methods, Use cost is high, and results in the component in flue gas as waste disposal, fails to give full play to its effect, is not only rubber powder and changes The flue gas generated in property asphalt production, in SBS modified pitch, SBR modified pitch, epoxy resin modified asphalt, color asphalt, again Institute can also generate similar malicious smelly flue gas when handing over pitch, the productions preparation such as coal tar pitch, and above-mentioned flue gas is referred to as bitumen flue gas, Pay attention to environmental protection instantly, being effectively treated for bitumen flue gas is directly basic concerning the existence of pitch asphalt industry.
Chinese patent 201815218U discloses a kind of processing method of bitumen flue gas, by the bitumen flue gas of generation by predetermined Flow by proportion-controllable spray to production fire regenerator in and so that bitumen flue gas is burnt at high temperature.One is also disclosed simultaneously Kind processing unit is sent directly into regenerative chamber and makes its burning by the bitumen flue gas generated in production after simple process, stores Hot cell can be the regenerative chamber of ingredient reaction kettle or Asphaltum heating pot, be just consumed while production in this way, reduce processing Pressure, and bitumen flue gas burning is handled, flammable component in bitumen flue gas is taken full advantage of, titanium dioxide is only generated after processing Carbon and water, pollute small, and processing cost is low, effective protection external environment.
But the processing unit in above-mentioned patent, it directlys adopt bitumen flue gas and is injected directly into the flame envelope of burner flame Part causes burning treatment effect undesirable because bitumen flue gas yield is unstable, while at flame envelope, be easy to causeing Part bitumen flue gas causes burning processing insufficient far from flame, tail gas over-emitting black exhaust or has black carbon particles, and temperature crosses high exhaust gas Nitrogen oxides is exceeded, and in addition a large amount of high-temperature flue gas outlets, energy consumption are serious.
Therefore pitch exhaust gas how is effectively treated is the current technical issues that need to address.
Summary of the invention
The object of the present invention is to provide a kind of pitch exhaust gas multiple treating systems of environment-friendly high-efficiency.Exhaust-gas treatment of the invention System devises special burner noz(zle), and exhaust gas and combustion gas enter burner noz(zle) jointly, be mixed and burned in regenerative chamber for the first time, Mixed flue gas after burning, which is again introduced into high-temperature thermal storage body, to be continued secondary oxidation and decomposes, by substance that primary combustion be decomposition into one Step decomposes oxidation, and pitch exhaust gas is made to be fully burned, and final almost all produces CO2、H2The substances such as O, avoid pollution environment, Flue gas enters pitch heat energy from waste gas using device recycling heat after burning simultaneously, realizes the comprehensive utilization of energy, realizes smokeless nothing Taste environment protection emission, environment-friendly high-efficiency.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency, including pitch waste gas burner and pitch heat energy from waste gas utilize Device, the pitch waste gas burner include combustor and regenerative chamber, are equipped with burner noz(zle), air inlet group inside the regenerative chamber Part and heat storage, the burner noz(zle) of the combustor is mounted on the front of regenerative chamber, after the heat storage is mounted on regenerative chamber Portion, the air intake assembly are mounted between burner noz(zle) and heat storage, and the regenerative chamber rear end passes through pipeline and pitch waste gas heat It can be connected to using the flue in device, the heat of flue gas after burning is discharged after pitch heat energy from waste gas is utilized and exchanged heat in device;
The pitch heat energy from waste gas includes tank body, flue, inorganic heat tube and blender, the flue, inorganic heat tube using device Be set in tank body with blender, the inorganic heat tube is mounted on the high-temperature region of flue, by the wall heat of flue and inorganic heat tube to It is outer heat dissipation and heated asphalt;The blender is mounted on tank body inner face tank skin and in side extening.
As the further improvement of above-described embodiment, the temperature of the flue high-temperature region is 900-1000 degree;The flue Middle warm area convection tube is installed, the temperature of the flue middle warm area is 400-800 degree;The low-temperature space of the flue is provided with There is the L shape inorganic heat tube of tuberculated pipe, the temperature of the flue low-temperature space is 200-400 degree.
As the further improvement of above-described embodiment, the shape of the inorganic heat tube is "-" type, and insertion is welded on flue In, one end that flue is inserted into the inorganic heat tube is equipped with high-temperature metal protection sleeve pipe;The middle warm area of the flue, which is welded with, wears Cross the convection tube of flue;The long side end installation insertion of the L shape inorganic heat tube is welded in flue, and short side section is welded with fin and dissipates Heat pipe.
As the further improvement of above-described embodiment, the emission-control equipment further includes electric cabinet, and electric cabinet is installed on tank body On outside support;The upper end of the tank body is equipped with bitumen feed mouth, and lower end is equipped with pitch discharge port;The tank base is equipped with row Dirty mouth;Tank body is externally provided with 100mm rock wool heat-preservation layer and 0 .6mm colored steel of outsourcing;The tank base is welded on tank body support.
As the further improvement of above-described embodiment, the burner noz(zle) includes combustion head and emission nozzle room.
As the further improvement of above-described embodiment, the front of the emission nozzle room is connect with combustion head, the exhaust gas The side wall of nozzle box is double-layer structure, and the outer wall of the emission nozzle room is equipped with an exhaust gas inlet pipe, the emission nozzle room Inner wall is equipped with exhaust gas spray orifice, sprays the exhaust gas entered from exhaust gas inlet pipe by exhaust gas spray orifice;Behind the emission nozzle room Side is strainer.
As the further improvement of above-described embodiment, the air intake assembly is circular air inlet component;The circular air inlet group Part includes blast pipe and annular spray vane, and one end of the blast pipe is pierced by regenerative chamber side wall and is connected with external pressure fan, another End is connected to annular spray vane, and annular spray vane is equipped with spray air holes.
As the further improvement of above-described embodiment, the heat storage is honeycomb heat accumulation body;The temperature of the heat storage is big In equal to 750 degree.
As the further improvement of above-described embodiment, the heat storage is seamless to be mounted in regenerative chamber, the outside of regenerative chamber Equipped with insulating layer.
As the further improvement of above-described embodiment, the number of the exhaust gas spray orifice be it is multiple, be evenly distributed on exhaust gas spray In mouth chamber interior walls.
For the further improvement of above-described embodiment, pitch source exhaust gas gives up in what asphalt production was generated in relation to during Gas, the main pitch exhaust gas including being generated during SBS modified pitch, rubber powder modified asphalt or waterproofing membrane production.
Beneficial effect
Pitch waste gas burner of the invention devises special burner noz(zle), and exhaust gas and combustion gas enter burner noz(zle) jointly, It being mixed and burned in regenerative chamber for the first time, the mixed flue gas after burning is again introduced into high-temperature thermal storage body and continues secondary oxidation decomposition, It is that the substance decomposed further decomposes oxidation by primary combustion, pitch exhaust gas is made to be fully burned, final almost all production CO2、H2The substances such as O avoid pollution environment, while flue gas enters tail gas heat exchanger recycling heat after burning, realizes the synthesis of energy It utilizes, realizes smoke-free and tasteless environment protection emission.
In pitch waste gas burner of the invention, the number of exhaust gas spray orifice be it is multiple, be evenly distributed on emission nozzle room On inner wall, the air inflow and intake uniformity of exhaust gas can be effectively ensured, be conducive to exhaust gas full combustion.
In pitch waste gas burner of the invention, using circular air inlet component, the design of annular spray vane makes entrance It is distinguished and admirable to be helically discharged, it can better ensure that the uniformity of air inlet air-flow, guarantee the effect of primary combustion.
In addition, the present invention is also additionally arranged pitch heat energy from waste gas using device, after burning after pitch waste gas burner Hard pitch flue gas be sent into pitch heat energy from waste gas using exchanging heat in device, flue gas can be effectively treated and effective use is hot Can, realize the pitch exhaust-gas treatment of environment-friendly high-efficiency.
Heat-exchanger rig in the prior art, be typically only capable to the low-temperature space of flue install water steel heat pipe or tuberculated pipe into Row heat exchange carrys out heated asphalt, this is because conventional water steel heat pipe is too high in the high-temperature region heating temperature of flue, water vapour pressure It is excessive, the danger of booster can be generated, and the application uses the quick heated asphalt of inorganic heat tube, this heat transfer in the high-temperature region of flue Element mainly realizes diabatic process by the inorganic medium of inside cavity, and heat-transfer capability is much higher than usually adopts in the prior art Water steel heat pipe, and operating pressure is low, using safe radiationless, the long heat transfer element of service life can effectively inhibit itself The generation of hydrogen, oxygen is not chemically reacted with common metal material.Heat transfer element chamber pressure is low when work, is not susceptible to height Warm booster.
Inorganic heat tube goes to zero along heat transfer element axial temperature difference, so that the surface temperature of heat transfer element is made to reach unanimity, when Measuring thermal coefficient is 14 MW/m. DEG C, is 3.2 ten thousand times of fine silver, heat transfer element internal heat transfer ability is big, heat transfer element inner shaft To 27.2 MW/m of heat-transfer capability2, improve pitch heating speed and heating efficiency.
Inorganic heat tube thermal resistance is small, starting is rapid, and heat transfer rate is fast, and uniform temperature is good.From element heating one end, moment can be incited somebody to action To the other end, heat-transfer capability is much higher than metal material, goes to zero along heat transfer element axial temperature difference heat transfer, to make heat transfer member The surface temperature of part reaches unanimity.Compatibility is good, and Applicable temperature range is wide, medium Applicable temperature range: -60~1100 DEG C, passing The Applicable temperature of system heat pipe is the wall temperature range for the element that 30-260 DEG C of has batch production: -60~320 DEG C.
The pitch exhaust gas multiple treating system of environment-friendly high-efficiency of the invention, difficulty low using the installation cost of inorganic heat tube Small, volume is smaller, and failure rate is low, and heat pipe replacement is convenient, the lowest coursing cost.
The pitch exhaust gas multiple treating system of environment-friendly high-efficiency of the invention, is not only mounted with inorganic heat tube in high-temperature region, also It is respectively provided with convection tube and tuberculated pipe in middle warm area and low-temperature space, for different warm areas, corresponding heat exchanger tube is matched, has Effect realizes the complete utilization of thermal energy.
The present invention is mounted with side-inserted agitator on tank skin, accelerates rate of heat dispation.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the pitch exhaust gas multiple treating system of environment-friendly high-efficiency of the invention;
The intention of pitch waste gas burner Fig. 2 of the invention;
Pitch heat energy from waste gas Fig. 3 of the invention installs the schematic diagram of inorganic heat tube using the high-temperature region flue in device;
The schematic diagram of high-temperature region flue heated asphalt Fig. 4 of the invention;
Pitch heat energy from waste gas Fig. 5 of the invention installs the schematic diagram of convection tube using the middle warm area flue in device;
Pitch heat energy from waste gas Fig. 6 of the invention utilizes the schematic diagram of the middle warm area flue heated asphalt in device;
Pitch heat energy from waste gas Fig. 7 of the invention has the L-shaped nothing of tuberculated pipe using the low-temperature space flue installation in device The schematic diagram of machine heat pipe;
Pitch heat energy from waste gas Fig. 8 of the invention utilizes the schematic diagram of the low-temperature space flue heated asphalt in device;
Fig. 9 is the schematic diagram of burner noz(zle) of the invention;
Figure 10 is the schematic diagram of circular air inlet component of the invention;
Wherein, 1- pitch waste gas burner, 111- combustor, 112- regenerative chamber, 113- burner noz(zle), 131- exhaust gas inlet Pipe, 132- emission nozzle room, 133- exhaust gas spray orifice, 134- flame, 135- strainer, 136- combustion head, 114- air intake assembly, 141- Annular spray vane, 142- blast pipe, 115- heat storage, 2- flue, 3- inorganic heat tube, 31- high-temperature metal protection sleeve pipe, 4- stirring Device, 5- convection tube, 6- have the L shape inorganic heat tube of tuberculated pipe, 61-L shape inorganic heat tube, 62- tuberculated pipe, 7- electricity Cabinet, 8- bitumen feed mouth, 9- manhole, 10- chimney, 11- pitch steam exhaust port, 12- sewage draining exit, 13- pitch, 14- tank body branch Seat.
Specific embodiment
The invention will be further elucidated with reference to specific embodiments.
It as shown in the picture, is a kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency of the invention, including pitch exhaust gas Burner and pitch heat energy from waste gas utilize device, and pitch waste gas burner includes combustor 111, regenerative chamber 112, regenerative chamber 112 inside are equipped with burner noz(zle) 113, air intake assembly 114 and heat storage 115, and the burner noz(zle) 113 of the combustor 111 is installed In the front of regenerative chamber 112, the heat storage 115 is mounted on the rear portion of regenerative chamber 112, and the air intake assembly 114 is mounted on combustion It burns between nozzle 113 and heat storage 115,112 rear end of regenerative chamber is connected to by pipeline with flue 2, by flue gas after burning Heat is discharged after pitch heat energy from waste gas is using device heat exchange, completes pitch waste gas treatment process.
Pitch heat energy from waste gas includes tank body, flue 2, inorganic heat tube 3 and blender 4 using device, the flue 2, inorganic Heat pipe 3 and blender 4 are set in tank body, and the pitch exhaust gas of the combustor 111 is passed through in flue 2, and the inorganic heat tube 3 is installed In the high-temperature region of flue 2, by the outside heated asphalt that radiates of the wall heat and inorganic heat tube 3 of flue, the top of flue 2 is equipped with Chimney 10;The blender 4 is mounted on tank body inner face tank skin and in side extening, and blender 4 is in tank body pitch transition Higher field of flow can also be reached when stream or even turbulent flow, thus reach heat transmitting, be heated evenly pitch in tank, temperature equalization.
Wherein, burner noz(zle) 113 includes combustion head 136 and emission nozzle room 132.
Wherein, the front of emission nozzle room 132 is connect with combustion head 136, and the side wall of the emission nozzle room 132 is bilayer Structure, the outer wall of the emission nozzle room 132 are equipped with an exhaust gas inlet pipe 131, and the inner wall of the emission nozzle room 132 is equipped with useless Gas spurt 133 sprays the exhaust gas entered from exhaust gas inlet pipe 131 by exhaust gas spray orifice 133;The emission nozzle room 132 Rear is strainer 135, is connected with combustion gas in combustion head 136, and pitch exhaust gas is carried out the by the flame 134 of combustion gas and exhaust gas co-fire Once oxidation processing.
Wherein, air intake assembly 114 is circular air inlet component 114.
Wherein, circular air inlet component 114 includes blast pipe 142 and annular spray vane 141, one end of the blast pipe 142 It is pierced by 112 side wall of regenerative chamber to be connected with external pressure fan, the other end is connected to annular spray vane 141, is set on annular spray vane 141 There is spray air holes, the number for spraying air holes is multiple, is evenly distributed on annular spray vane.
Wherein, heat storage 115 is honeycomb heat accumulation body.
Wherein, the temperature of heat storage 115 is more than or equal to 750 degree.
Wherein, heat storage 115 is seamless is mounted in regenerative chamber 112.
Wherein, the outside of regenerative chamber 112 is equipped with insulating layer.
Wherein, the number of exhaust gas spray orifice 133 is multiple, is evenly distributed on 132 inner wall of emission nozzle room.
In addition, utilizing device for pitch heat energy from waste gas:
Wherein, the temperature of 2 high-temperature region of flue is 900-1000 degree.
Wherein, the middle warm area of flue 2 is equipped with convection tube 5, and the temperature of 2 middle warm area of flue is 400-800 degree.Added The pitch of heat is floated by convection tube 5, is not heated pitch and is floated by heated asphalt.
Wherein, the low-temperature space of flue 2 is equipped with the L shape inorganic heat tube 6 with tuberculated pipe, 2 low-temperature space of flue Temperature be 200-400 degree.Tuberculated pipe, wall heat, L shape inorganic heat tube 61 and the wing that cigarette heat passes through flue are installed on flue Piece heat-dissipating pipe 62 is common to radiate and heated asphalt outward.
Wherein, the shape of inorganic heat tube 3 is "-" type, and insertion is welded in flue 2, is inserted into the inorganic heat tube 3 One end of flue 2 is equipped with high-temperature metal protection sleeve pipe 21.3 uniform welding of inorganic heat tube is in the top of flue 2.
Wherein, the middle warm area of flue 2 is welded with the convection tube 5 across flue 2.
Wherein, the long side end installation insertion of L shape inorganic heat tube 61 is welded in flue 2, and short side section is welded with fin heat dissipation Pipe 62.
Wherein, pitch heat energy from waste gas further includes electric cabinet 7 using device, and electric cabinet 7 is installed on tank body outside support.In tank body Side is equipped with liquidometer, thermal resistance, thermometer, and liquidometer, thermal resistance, thermometer are connected with electric cabinet (not shown);Electric cabinet Including 4 control unit of bitumen level control unit, asphalt temperature control unit and blender, bitumen level control unit and liquid level Meter connection, including bitumen level control instrument, bitumenpump, liquidometer measure bitumen level in tank body, bitumen level control instrument By the way that the bitumen level of measurement is made comparisons with setting value, control bitumenpump starts and stops automatically;Asphalt temperature control unit It mainly include temperature control instrument and thermometer, temperature control instrument is connect with thermal resistance, burner, and thermal resistance measures in tank body Temperature, temperature control instrument are made comparisons by tank body temperature with the setting value of temperature control instrument, and the size of burner is controlled Fire burning stops;Blender control unit is used for manual start and stop blender, while being temperature controlled the control of instrument, works as pitch When temperature is lower than setting value, blender can not start, and protect blender control unit, when asphalt temperature is higher than setting value, stir It mixes the normal start-up temperature meter of device and thermal resistance is set in the same level of tank body end face, thermometer and thermal resistance mutually verify tank Interior asphalt temperature.Liquidometer uses side compression type fluid level transmitter, and side compression type fluid level transmitter is used to monitor the liquid of pitch in tank body Position (height), prevents burner dry combustion method and excessive tank.The partial electric device uses conventional design in the prior art.
Wherein, the upper end of the tank body is equipped with bitumen feed mouth 9, manhole 9 and pitch waste gas outlet 11, and lower end is equipped with pitch Discharge port (not shown).
Wherein, the tank base is equipped with sewage draining exit 12, when not in use can put it clean pitch in tank body while convenient for clear Tank;Tank body is externally provided with 100mm rock wool heat-preservation layer and outsourcing 0.6mm colored steel;The tank base is welded on tank body support 14.
Wherein, pitch source exhaust gas mainly includes the modified drip of SBS in the exhaust gas generated in relation to during with asphalt production The pitch exhaust gas generated during green, rubber powder modified asphalt or waterproofing membrane production.
The working principle of the invention: the derived heating flue gas of pitch waste gas burner enters the flue for being welded with heat pipe, cigarette Around the road and top of inorganic heat tube 3 is cold pitch, while cold pitch is except entire flue heat is absorbed, also in cigarette Road high-temperature region, the high temperature heat that inorganic heat tube 3 absorbs in flue transfer heat to pitch, heated asphalt, and flue gas reaches flue It when middle warm area, is heated using convection tube 5, the pitch being heated is floated by convection tube 5, is not heated pitch and is passed through heated asphalt It floats and sinks;In flue low-temperature space, heat transfer area is increased by inorganic heat tube and tuberculated pipe, common heat dissipation outward and Heated asphalt.Entire diabatic process forced convection heat transfer under the action of blender, high-temperature flue gas is in pipeline in tank internal flow It is conducted heat using tube wall, is finally discharged by chimney simultaneously.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary The connection of two components interiors.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in the present invention.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications Also it should be regarded as protection scope of the present invention.

Claims (10)

1. the pitch exhaust gas multiple treating system of a kind of environment-friendly high-efficiency, it is characterized in that: including pitch waste gas burner and pitch Heat energy from waste gas utilizes device, and the pitch waste gas burner includes combustor and regenerative chamber, is equipped with combustion inside the regenerative chamber Nozzle, air intake assembly and heat storage are burnt, the burner noz(zle) of the combustor is mounted on the front of regenerative chamber, the heat storage installation At the rear portion of regenerative chamber, the air intake assembly is mounted between burner noz(zle) and heat storage, and the regenerative chamber rear end passes through pipeline It is connected to pitch heat energy from waste gas using the flue in device, by the heat of flue gas after burning in pitch heat energy from waste gas using in device It is discharged after heat exchange;
The pitch heat energy from waste gas includes tank body, flue, inorganic heat tube and blender, the flue, inorganic heat tube using device Be set in tank body with blender, the inorganic heat tube is mounted on the high-temperature region of flue, by the wall heat of flue and inorganic heat tube to It is outer heat dissipation and heated asphalt;The blender is mounted on tank body inner face tank skin and in side extening.
2. a kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency according to claim 1, it is characterised in that: the cigarette The temperature of the high-temperature region in road is 900-1000 degree;The middle warm area of the flue is equipped with convection tube, the middle warm area of the flue Temperature is 400-800 degree;The low-temperature space of the flue is equipped with the L shape inorganic heat tube with tuberculated pipe, the flue The temperature of low-temperature space is 200-400 degree.
3. a kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency according to claim 2, it is characterised in that: the nothing The shape of machine heat pipe is "-" type, and insertion is welded in flue, and one end that flue is inserted into the inorganic heat tube is equipped with high temperature Metal protective sleeve pipe;The middle warm area of the flue is welded with the convection tube across flue;The long side end of the L shape inorganic heat tube is installed Insertion is welded in flue, and short side section is welded with tuberculated pipe.
4. a kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency according to claim 1, it is characterised in that: described useless Flash Gas Compression Skid System further includes electric cabinet, and electric cabinet is installed on tank body outside support;The upper end of the tank body is equipped with bitumen feed mouth, under End is equipped with pitch discharge port;The tank base is equipped with sewage draining exit;Tank body is externally provided with 100mm rock wool heat-preservation layer and 0 .6mm of outsourcing Colored steel;The tank base is welded on tank body support.
5. a kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency according to claim 1, it is characterised in that: the combustion Burning nozzle includes combustion head and emission nozzle room.
6. a kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency according to claim 5, it is characterised in that: described useless The front of gas jets room is connect with combustion head, and the side wall of the emission nozzle room is double-layer structure, the emission nozzle room it is outer Wall is equipped with an exhaust gas inlet pipe, and the inner wall of the emission nozzle room is equipped with exhaust gas spray orifice, makes the exhaust gas entered from exhaust gas inlet pipe It is sprayed by exhaust gas spray orifice;The rear of the emission nozzle room is strainer.
7. a kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency according to claim 1, it is characterised in that: it is described into Wind component is circular air inlet component;The circular air inlet component includes blast pipe and annular spray vane, one end of the blast pipe It is pierced by regenerative chamber side wall to be connected with external pressure fan, the other end is connected to annular spray vane, and annular spray vane is equipped with spray air holes.
8. a kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency according to claim 1, it is characterised in that: the storage Hot body is honeycomb heat accumulation body;The temperature of the heat storage is more than or equal to 750 degree.
9. a kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency according to claim 8, it is characterised in that: the storage Hot body is seamless to be mounted in regenerative chamber, and the outside of regenerative chamber is equipped with insulating layer;The number of the exhaust gas spray orifice be it is multiple, uniformly point Cloth is in emission nozzle chamber interior walls;Pitch source exhaust gas is in the exhaust gas generated in relation to during with asphalt production.
10. a kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency according to claim 9, it is characterised in that: described The source of pitch exhaust gas mainly includes the pitch of generation during SBS modified pitch, rubber powder modified asphalt or waterproofing membrane production Exhaust gas.
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CN106012763A (en) * 2016-07-04 2016-10-12 杭州全合科技有限公司 Asphalt waste material heating and regenerating equipment and processing method thereof
CN206369491U (en) * 2016-12-13 2017-08-01 浙江汇明节能科技有限公司 A kind of printing and dyeing enterprise flue gas waste heat recovery system based on heat pipe
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CN106012763A (en) * 2016-07-04 2016-10-12 杭州全合科技有限公司 Asphalt waste material heating and regenerating equipment and processing method thereof
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