CN209801504U - Environment-friendly and efficient asphalt waste gas treatment system - Google Patents
Environment-friendly and efficient asphalt waste gas treatment system Download PDFInfo
- Publication number
- CN209801504U CN209801504U CN201822188218.0U CN201822188218U CN209801504U CN 209801504 U CN209801504 U CN 209801504U CN 201822188218 U CN201822188218 U CN 201822188218U CN 209801504 U CN209801504 U CN 209801504U
- Authority
- CN
- China
- Prior art keywords
- waste gas
- flue
- heat
- asphalt
- tank body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Road Paving Machines (AREA)
Abstract
the utility model relates to an environmental protection efficient pitch exhaust-gas treatment system, including pitch waste gas burner and pitch waste gas heat utilization equipment, pitch waste gas burner includes combustor and regenerator, and the drop of the liquidAfter the green waste gas is combusted, the rear end of the regenerator is communicated with a flue in the asphalt waste gas heat energy utilization device through a pipeline, and the combusted high-temperature flue gas is subjected to heat exchange in the asphalt waste gas heat energy utilization device and then is discharged; the asphalt waste gas heat energy utilization device comprises a tank body, a flue, an inorganic heat pipe and a stirrer, wherein the flue, the inorganic heat pipe and the stirrer are arranged in the tank body, the inorganic heat pipe is arranged in a high-temperature region of the flue, and asphalt is heated by heat dissipated outwards through wall heat of the flue and the inorganic heat pipe. The utility model discloses a pitch waste gas burner makes pitch waste gas obtain abundant burning, almost whole production CO2、H2Substances such as O and the like avoid polluting the environment, and the flue gas after combustion enters the asphalt waste gas heat energy utilization device to be discharged after heat is recovered, so that the environment-friendly and efficient utilization of the asphalt waste gas is realized.
Description
Technical Field
The utility model belongs to the exhaust-gas treatment field, concretely relates to environmental protection efficient pitch exhaust-gas treatment system.
Background
The asphalt powder modified asphalt is used for paving urban highway and bridge surface, reducing and absorbing noise, improving the adhesion between wheels and road surface, improving friction force to stabilize brake, preventing frost cracking and aging, preventing cracking in winter, preventing soft adhesion in hot days and recycling a large amount of waste tires. However, when the asphalt powder is stirred with asphalt at 185-195 ℃, a large amount of toxic fumes containing ether, hydrogen cyanide, sulfur dioxide and the like can escape, the benzopyrene contained in the asphalt powder is a strong carcinogen with the highest toxicity of polycyclic aromatic hydrocarbons, and the benzopyrene is combined with aerosol formed by various types of particles in the atmosphere, the proportion of directly inhaling the benzopyrene into the lung is higher in inhalable dust particles below 8 microns, and the benzopyrene is inhaled into the lung through a respiratory tract and enters the alveoli or even blood, so that lung cancer and cardiovascular diseases are caused.
When asphalt powder is stirred with asphalt at a high temperature, escaping toxic flue gas containing ether, hydrogen cyanide, sulfur dioxide and the like is cooled by a heat exchanger in a tail gas cooling device, enters an oil washing device for treatment and is directly discharged into the atmosphere, and the toxic and odorous flue gas treatment effect is not ideal.
Although various chemical and physical methods can effectively remove toxic and smelly components in the smoke of the asphalt powder modified asphalt, the use cost is high, and the components in the smoke are treated as waste materials, so that the functions of the smoke cannot be fully exerted, the smoke generated in the production of the rubber powder modified asphalt is not only similar toxic and smelly smoke generated in the production and preparation of SBS modified asphalt, SBR modified asphalt, epoxy resin modified asphalt, colored asphalt, heavy-duty asphalt, coal asphalt and the like, the smoke is collectively called as asphalt smoke, and the effective treatment of the asphalt smoke directly concerns the fundamental survival of the asphalt industry when the environmental protection is considered.
Chinese patent 201815218U discloses a method for treating asphalt flue gas, which comprises injecting the generated asphalt flue gas into a heat storage chamber for production heating according to a predetermined flow rate and a controllable proportion, and burning the asphalt flue gas at a high temperature. Simultaneously still disclose a processing apparatus, it is after simple processing with the pitch flue gas that produces in the production, directly send into the regenerator and make its burning, the regenerator can be batching reation kettle or pitch heating tank's regenerator, just consumed when producing like this, reduced the processing pressure, moreover with pitch flue gas combustion processing, combustible component in the make full use of pitch flue gas, only produce carbon dioxide and water after the processing, pollute for a short time, the processing cost is low, effectively protected the external environment.
However, processing apparatus in the above-mentioned patent directly adopts the pitch flue gas directly to spout into the outer flame part to combustor flame, because the unstability of pitch flue gas production volume leads to the combustion processing effect unsatisfactory, and simultaneously in outer flame department, it keeps away from flame to cause partial pitch flue gas easily, causes the combustion processing insufficient, and the tail gas emits black cigarette or has black carbon granule, and the high temperature tail gas nitrogen oxide exceeds standard, and a large amount of high temperature flue gas is arranged outward in addition, and the energy consumption is serious.
Therefore, how to effectively treat the asphalt waste gas is a technical problem to be solved at present.
Disclosure of Invention
The utility model aims at providing an environmental protection efficient pitch exhaust-gas treatment system. The utility model discloses a waste gas treatment system has designed special burning nozzle, and waste gas and gas get into burning nozzle jointly, mix the burning for the first time in the heat accumulator, and the mixed flue gas after the burning gets into the high temperature heat accumulator once more and continues the secondary oxidation and decomposes, will once burn for the further decomposition oxidation of the material that decomposes, makes pitch waste gas obtain abundant burning, and finally almost whole production CO produces2、H2O and the like, avoids polluting the environment, and simultaneously the flue gas enters the asphalt waste gas heat energy utilization device after combustionThe device recovers heat, realizes comprehensive utilization of energy, realizes smokeless, odorless, environment-friendly and efficient emission.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
An environment-friendly and efficient asphalt waste gas treatment system comprises an asphalt waste gas combustion device and an asphalt waste gas heat energy utilization device, wherein the asphalt waste gas combustion device comprises a combustor and a heat storage chamber, a combustion nozzle, an air inlet assembly and a heat accumulator are arranged in the heat storage chamber, the combustion nozzle of the combustor is arranged at the front part of the heat storage chamber, the heat accumulator is arranged at the rear part of the heat storage chamber, the air inlet assembly is arranged between the combustion nozzle and the heat accumulator, the rear end of the heat storage chamber is communicated with a flue in the asphalt waste gas heat energy utilization device through a pipeline, and heat of flue gas after combustion is discharged after heat exchange in the asphalt waste gas heat energy utilization device;
The asphalt waste gas heat energy utilization device comprises a tank body, a flue, an inorganic heat pipe and a stirrer, wherein the flue, the inorganic heat pipe and the stirrer are arranged in the tank body; the stirrer is arranged on the tank wall of the inner end face of the tank body and extends into the tank body in the lateral direction.
As a further improvement of the above embodiment, the temperature of the high-temperature area of the flue is 900-1000 ℃; the middle temperature area of the flue is provided with a convection pipe, and the temperature of the middle temperature area of the flue is 400-800 ℃; the low-temperature area of the flue is provided with an L-shaped inorganic heat pipe with a finned heat dissipation pipe, and the temperature of the low-temperature area of the flue is 200-400 ℃.
As a further improvement of the above embodiment, the inorganic heat pipe is in a straight shape, and is inserted and welded in the flue, and a high-temperature metal protective sleeve is arranged at one end of the inorganic heat pipe inserted into the flue; a convection pipe penetrating through the flue is welded in the middle temperature area of the flue; the long edge end of the L-shaped inorganic heat pipe is installed, inserted and welded in the flue, and the short edge section is welded with the finned heat dissipation pipe.
As a further improvement of the above embodiment, the asphalt waste gas heat energy utilization device further comprises an electric cabinet, wherein the electric cabinet is mounted on the bracket outside the tank body; the upper end of the tank body is provided with an asphalt feeding hole, and the lower end of the tank body is provided with an asphalt discharging hole; a sewage draining outlet is formed in the bottom of the tank body; a rock wool heat-insulating layer of 100mm is arranged outside the tank body, and a color plate of 0.6mm is coated outside the tank body; the bottom of the tank body is welded on the support of the tank body.
As a further refinement of the above embodiment, the combustion nozzle comprises a combustion head and an exhaust nozzle chamber.
As a further improvement of the above embodiment, the front part of the exhaust gas nozzle chamber is connected to the combustion head, the side wall of the exhaust gas nozzle chamber has a double-layer structure, the outer wall of the exhaust gas nozzle chamber is provided with an exhaust gas inlet pipe, and the inner wall of the exhaust gas nozzle chamber is provided with an exhaust gas nozzle hole, so that the exhaust gas entering from the exhaust gas inlet pipe is sprayed out through the exhaust gas nozzle hole; and a filter screen is arranged behind the waste gas nozzle chamber.
As a further improvement of the above embodiment, the air intake assembly is an annular air intake assembly; annular air inlet subassembly includes air-supply line and annular air blast ring, the one end of air-supply line is worn out the lateral wall of heat accumulation room and is linked to each other with outside forced draught blower, and the other end and annular air blast ring intercommunication are equipped with the blast hole on the annular air blast ring.
As a further improvement of the above embodiment, the heat accumulator is a honeycomb heat accumulator; the temperature of the heat accumulator is greater than or equal to 750 ℃.
As a further improvement of the above embodiment, the heat accumulator is seamlessly installed in the heat accumulation chamber, and the heat insulation layer is arranged outside the heat accumulation chamber.
As a further improvement of the above embodiment, the number of the exhaust gas nozzles is multiple and is uniformly distributed on the inner wall of the exhaust gas nozzle chamber.
For further improvement of the above embodiment, the asphalt waste gas is derived from waste gas generated in a process related to asphalt production, and mainly comprises SBS modified asphalt, rubber powder modified asphalt or asphalt waste gas generated in a waterproof roll production process.
Advantageous effects
The asphalt waste gas combustion device of the utility model designs a special combustion nozzle, the waste gas and the fuel gas enter the combustion nozzle together to be mixed and combusted in the heat storage chamber for the first time,The mixed flue gas after combustion enters the high-temperature heat accumulator again to continue secondary oxidation and decomposition, the decomposed substances obtained by primary combustion are further decomposed and oxidized, the asphalt waste gas is fully combusted, and finally CO is almost completely produced2、H2Substances such as O and the like avoid polluting the environment, and meanwhile, the flue gas after combustion enters the tail gas heat exchanger to recover heat, so that the comprehensive utilization of energy is realized, and the smokeless, odorless and environment-friendly emission is realized.
The utility model discloses an among the pitch exhaust gas combustion device, the figure of exhaust gas orifice is a plurality of, and evenly distributed can have the air input and the homogeneity of admitting air of effectively guaranteeing waste gas on the inner wall of exhaust gas nozzle room, is favorable to the abundant burning of waste gas.
The utility model discloses an among the pitch waste gas burner, adopt annular air inlet subassembly, the design of annular air blast ring makes the distinguished and admirable spiral discharge that gets into, can guarantee the homogeneity of air inlet stream better, guarantees the effect of burning once.
Additionally, the utility model discloses still add pitch waste gas heat energy utilization equipment behind pitch waste gas burner, send the high temperature pitch flue gas after the burning into heat transfer in the pitch waste gas heat energy utilization equipment, can the effective handling flue gas, can effectively utilize heat energy again, realize environmental protection efficient pitch exhaust-gas treatment.
In the heat exchange device in the prior art, a steel-water heat pipe or a finned heat dissipation pipe can be installed in a low-temperature area of a flue to exchange heat to heat asphalt normally, because the conventional steel-water heat pipe is too high in heating temperature in the high-temperature area of the flue and has overlarge vapor pressure, and the danger of pipe explosion can be generated, the asphalt is quickly heated by adopting the inorganic heat pipe in the high-temperature area of the flue, the heat transfer element mainly realizes a heat transfer process through an inorganic medium in a cavity, the heat transfer capacity is far higher than that of the steel-water heat pipe commonly adopted in the prior art, the working pressure is low, the heat transfer element is safe to use and free of radiation, the heat transfer element with long service life can effectively inhibit the generation of hydrogen and oxygen, and the heat transfer element does not generate chemical reaction with common metal. When the heat transfer element works, the pressure of the inner cavity of the heat transfer element is low, and high-temperature tube explosion is not easy to occur.
The temperature difference of the inorganic heat pipe along the axial direction of the heat transfer element tends to zero, so that the surface of the heat transfer element is enabledThe temperature tends to be consistent, the equivalent thermal conductivity coefficient is 14MW/m DEG C, which is 3.2 ten thousand times of that of pure silver, the internal heat transfer capacity of the heat transfer element is large, and the internal axial heat transfer capacity of the heat transfer element is 27.2MW/m2The heating speed and the heating efficiency of the asphalt are improved.
The inorganic heat pipe has small thermal resistance, quick start, high heat transfer speed and good temperature uniformity. The heat is transferred to the other end instantly by heating from one end of the element, the heat transfer capacity is far higher than that of a metal material, and the temperature difference tends to zero along the axial direction of the heat transfer element, so that the surface temperature of the heat transfer element tends to be consistent. Good compatibility, wide application temperature range, medium application temperature range: -60-1100 ℃, the applicable temperature of a conventional heat pipe is 30-260 ℃, the wall temperature range of the mass produced elements is: -60 to 320 ℃.
The utility model discloses an environmental protection efficient pitch exhaust-gas treatment system, the installation cost who adopts inorganic heat pipe is low, and the degree of difficulty is little, and the volume is small relatively, and the fault rate is low, and the heat pipe is changed conveniently, and the working costs is minimum.
The utility model discloses an environmental protection efficient pitch exhaust-gas treatment system has not only installed inorganic heat pipe in the high temperature district, has still set up convection current pipe and fin cooling tube respectively at well warm area and low temperature district, to different warm areas, matches the heat exchange tube that corresponds, effectively realizes the full utilization of heat energy.
the utility model discloses at jar wall mounting side direction stretching into agitator for rate of heat dissipation.
Drawings
FIG. 1 is a schematic view of the overall structure of the environmental-friendly and efficient asphalt waste gas treatment system of the present invention;
FIG. 2 is a schematic view of the asphalt waste gas combustion device of the present invention;
FIG. 3 is a schematic view of the inorganic heat pipe installed in the flue of the high temperature zone in the asphalt waste gas heat energy utilization device of the present invention;
FIG. 4 is a schematic view of the high temperature zone flue of the present invention heating asphalt;
FIG. 5 is a schematic view of the middle temperature zone flue of the asphalt waste gas heat energy utilization device of the present invention equipped with a convection pipe;
FIG. 6 is a schematic diagram of the middle temperature zone flue of the asphalt waste gas heat energy utilization device of the present invention heating asphalt;
FIG. 7 is a schematic view of the low temperature area flue of the asphalt waste gas heat energy utilization device of the present invention installed with an L-shaped inorganic heat pipe with a finned heat dissipation tube;
FIG. 8 is a schematic view of the low temperature area flue of the asphalt waste gas heat energy utilization device of the present invention heating asphalt;
FIG. 9 is a schematic view of a combustion nozzle of the present invention;
FIG. 10 is a schematic view of the annular intake assembly of the present invention;
Wherein, 1-asphalt waste gas combustion device, 111-burner, 112-regenerator, 113-combustion nozzle, 131-waste gas inlet pipe, 132-waste gas nozzle chamber, 133-waste gas spray hole, 134-flame, 135-filter screen, 136-combustion head, 114-air inlet component, 141-annular air spray ring, 142-air inlet pipe, 115-heat accumulator, 2-flue, 3-inorganic heat pipe, 31-high temperature metal protective sleeve, 4-stirrer, 5-convection pipe, 6-L-shaped inorganic heat pipe with finned heat pipe, 61-L-shaped inorganic heat pipe, 62-finned heat pipe, 7-electric cabinet, 8-asphalt inlet, 9-manhole, 10-chimney, 11-asphalt waste gas outlet, 12-sewage outlet, 13-asphalt, 14-tank support.
Detailed Description
The present invention will be further described with reference to the following detailed description.
As shown in the accompanying drawings, the utility model discloses an environment-friendly efficient asphalt waste gas treatment system, including pitch waste gas burner and pitch waste gas heat energy utilization device, pitch waste gas burner includes combustor 111, regenerator 112, and regenerator 112 is inside to be equipped with burning nozzle 113, air inlet subassembly 114 and heat accumulator 115, the front portion at regenerator 112 is installed to burning nozzle 113 of combustor 111, heat accumulator 115 installs the rear portion at regenerator 112, air inlet subassembly 114 is installed between burning nozzle 113 and heat accumulator 115, regenerator 112 rear end is through pipeline and flue 2 intercommunication, discharges the heat of flue gas after the burning behind pitch waste gas heat energy utilization device heat transfer, accomplishes pitch waste gas treatment process.
The asphalt waste gas heat energy utilization device comprises a tank body, a flue 2, an inorganic heat pipe 3 and a stirrer 4, wherein the flue 2, the inorganic heat pipe 3 and the stirrer 4 are arranged in the tank body, the asphalt waste gas of the burner 111 is introduced into the flue 2, the inorganic heat pipe 3 is arranged in a high-temperature region of the flue 2, the asphalt is heated by heat dissipated outwards through the wall heat of the flue and the inorganic heat pipe 3, and a chimney 10 is arranged at the upper part of the flue 2; the stirrer 4 is installed on the wall of the tank body at the inner end face of the tank body and stretches into the tank body in the lateral direction, and the stirrer 4 can achieve a high flow field when asphalt in the tank body transits to flow and even when the asphalt is in turbulent flow, so that heat transfer is achieved, the asphalt in the tank is heated uniformly, and the temperature is balanced.
Therein, the combustion nozzle 113 includes a combustion head 136 and an exhaust nozzle chamber 132.
Wherein, the front part of the waste gas nozzle chamber 132 is connected with the combustion head 136, the side wall of the waste gas nozzle chamber 132 is a double-layer structure, the outer wall of the waste gas nozzle chamber 132 is provided with a waste gas inlet pipe 131, the inner wall of the waste gas nozzle chamber 132 is provided with a waste gas jet hole 133, so that the waste gas entering from the waste gas inlet pipe 131 is jetted out through the waste gas jet hole 133; the rear of the waste gas nozzle chamber 132 is provided with a filter screen 135, a combustion head 136 is internally provided with fuel gas, and the asphalt waste gas is subjected to primary oxidation treatment by the flame 134 which is formed by co-combustion of the fuel gas and the waste gas.
Wherein, the air intake assembly 114 is an annular air intake assembly 114.
The annular air intake assembly 114 includes an air intake pipe 142 and an annular air blowing ring 141, one end of the air intake pipe 142 penetrates through the side wall of the regenerator 112 to be connected with an external blower, the other end of the air intake pipe is communicated with the annular air blowing ring 141, air blowing holes are formed in the annular air blowing ring 141, and the number of the air blowing holes is multiple and is uniformly distributed on the annular air blowing ring.
the heat storage body 115 is a honeycomb heat storage body.
The temperature of the heat storage body 115 is 750 degrees or higher.
wherein the thermal mass 115 is seamlessly installed within the thermal chamber 112.
wherein, the outside of the regenerator 112 is provided with an insulating layer.
Wherein, the number of the exhaust gas nozzle holes 133 is a plurality and is uniformly distributed on the inner wall of the exhaust gas nozzle chamber 132.
In addition, for the asphalt waste gas heat energy utilization device:
Wherein, the temperature of the high-temperature area of the flue 2 is 900-1000 ℃.
wherein, the medium temperature zone of the flue 2 is provided with a convection pipe 5, and the temperature of the medium temperature zone of the flue 2 is 400-800 ℃. Heated bitumen floats up through convection tubes 5 and unheated bitumen floats up and sinks through the heated bitumen.
Wherein, the low-temperature area of the flue 2 is provided with an L-shaped inorganic heat pipe 6 with a finned heat dissipation pipe, and the temperature of the low-temperature area of the flue 2 is 200-400 ℃. The flue is provided with a finned heat dissipation pipe, and smoke heat is dissipated outwards through the wall heat of the flue, the L-shaped inorganic heat pipe 61 and the finned heat dissipation pipe 62 together to heat asphalt.
the shape of the inorganic heat pipe 3 is a straight line shape, the inorganic heat pipe is inserted and welded in the flue 2, and a high-temperature metal protective sleeve 21 is arranged at one end of the inorganic heat pipe 3 inserted into the flue 2. The inorganic heat pipes 3 are uniformly welded above the flue 2.
wherein, the middle temperature area of the flue 2 is welded with a convection tube 5 which passes through the flue 2.
wherein, the long side end of the L-shaped inorganic heat pipe 61 is inserted and welded in the flue 2, and the short side section is welded with the finned heat dissipation pipe 62.
Wherein, pitch waste gas heat utilization equipment still includes electric cabinet 7, and electric cabinet 7 is installed on jar external support. A liquid level meter, a thermal resistor and a thermometer are arranged on the inner side of the tank body, and the liquid level meter, the thermal resistor and the thermometer are all connected with an electric cabinet (not shown in the figure); the electric cabinet comprises an asphalt liquid level control unit, an asphalt temperature control unit and a stirrer 4 control unit, wherein the asphalt liquid level control unit is connected with a liquid level meter and comprises an asphalt liquid level control instrument and an asphalt pump, the liquid level meter measures the asphalt liquid level in the tank body, and the asphalt liquid level control instrument controls the asphalt pump to automatically start and stop by comparing the measured asphalt liquid level with a set value; the asphalt temperature control unit mainly comprises a temperature control instrument and a thermometer, wherein the temperature control instrument is connected with a thermal resistor and a burner, the thermal resistor measures the temperature in the tank body, and the temperature control instrument controls the combustion or stop of the big flame and the small flame of the burner by comparing the temperature in the tank body with a set value of the temperature control instrument; the agitator control unit is used for manual opening and close the agitator, receives the control of temperature control instrument simultaneously, and when pitch temperature was less than the setting value, the agitator was unable to be started, protection agitator control unit, and when pitch temperature was higher than the setting value, the agitator normally started thermometer and thermal resistance set up on the same horizontal plane of jar body terminal surface, and thermometer and thermal resistance check up jar interior pitch temperature each other. The liquid level meter adopts a side pressure type liquid level transmitter which is used for monitoring the liquid level (height) of the asphalt in the tank body and preventing the combustor from being burnt and overflowing the tank. The part of the electric device can be designed conventionally in the prior art.
wherein, the upper end of the tank body is provided with an asphalt feeding hole 9, a manhole 9 and an asphalt waste gas outlet 11, and the lower end is provided with an asphalt discharging hole (not shown in the figure).
Wherein, the bottom of the tank body is provided with a sewage outlet 12, so that the asphalt in the tank body can be completely discharged when not in use, and the tank is convenient to clean; a rock wool heat-insulating layer of 100mm is arranged outside the tank body, and a color plate of 0.6mm is wrapped outside the tank body; the bottom of the tank body is welded on the tank body support 14.
Wherein the asphalt waste gas is derived from waste gas generated in the process related to asphalt production, and mainly comprises asphalt waste gas generated in the production process of SBS modified asphalt, rubber powder modified asphalt or waterproof coiled materials.
the utility model discloses a theory of operation: heating flue gas led out by the asphalt waste gas combustion device enters a flue welded with heat pipes, cold asphalt is arranged around the flue and above the inorganic heat pipes 3, the cold asphalt absorbs the heat of the whole flue, and at a high-temperature area of the flue, the inorganic heat pipes 3 absorb the high-temperature heat in the flue and transfer the heat to the asphalt to heat the asphalt, when the flue gas reaches a middle-temperature area of the flue, the convection pipe 5 is adopted for heating, the heated asphalt floats upwards through the convection pipe 5, and the unheated asphalt floats upwards and sinks through the heated asphalt; when the flue is in a low-temperature area, the heat transfer area is increased through the inorganic heat pipes and the fin radiating pipes, and the heat is radiated outwards together to heat the asphalt. The whole heat transfer process is forced to conduct heat in a convection mode under the action of the stirrer, high-temperature flue gas flows in the tank through the pipeline, heat is transferred through the pipe wall, and finally the flue gas is discharged through the chimney.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides an environmental protection efficient pitch exhaust-gas treatment system which characterized by: the asphalt waste gas combustion device comprises an asphalt waste gas combustion device and an asphalt waste gas heat energy utilization device, wherein the asphalt waste gas combustion device comprises a combustor and a heat storage chamber, a combustion nozzle, an air inlet assembly and a heat storage body are arranged in the heat storage chamber, the combustion nozzle of the combustor is arranged at the front part of the heat storage chamber, the heat storage body is arranged at the rear part of the heat storage chamber, the air inlet assembly is arranged between the combustion nozzle and the heat storage body, the rear end of the heat storage chamber is communicated with a flue in the asphalt waste gas heat energy utilization device through a pipeline, and the heat of the combusted flue gas is discharged after heat exchange in the asphalt waste gas heat energy utilization;
the asphalt waste gas heat energy utilization device comprises a tank body, a flue, an inorganic heat pipe and a stirrer, wherein the flue, the inorganic heat pipe and the stirrer are arranged in the tank body; the stirrer is arranged on the tank wall of the inner end face of the tank body and extends into the tank body in the lateral direction.
2. The environmental-friendly and efficient asphalt waste gas treatment system according to claim 1, wherein: the temperature of the high-temperature area of the flue is 900-1000 ℃; the middle temperature area of the flue is provided with a convection pipe, and the temperature of the middle temperature area of the flue is 400-800 ℃; the low-temperature area of the flue is provided with an L-shaped inorganic heat pipe with a finned heat dissipation pipe, and the temperature of the low-temperature area of the flue is 200-400 ℃.
3. The environmental-friendly and efficient asphalt waste gas treatment system according to claim 2, wherein: the inorganic heat pipe is in a straight shape and is inserted and welded in the flue, and a high-temperature metal protective sleeve is arranged at one end of the inorganic heat pipe inserted into the flue; a convection pipe penetrating through the flue is welded in the middle temperature area of the flue; the long edge end of the L-shaped inorganic heat pipe is installed, inserted and welded in the flue, and the short edge section is welded with the finned heat dissipation pipe.
4. The environmental-friendly and efficient asphalt waste gas treatment system according to claim 1, wherein: the asphalt waste gas heat energy utilization device also comprises an electric cabinet, and the electric cabinet is arranged on a bracket outside the tank body; the upper end of the tank body is provided with an asphalt feeding hole, and the lower end of the tank body is provided with an asphalt discharging hole; a sewage draining outlet is formed in the bottom of the tank body; a rock wool heat-insulating layer of 100mm is arranged outside the tank body, and a color plate of 0.6mm is wrapped outside the tank body; the bottom of the tank body is welded on the support of the tank body.
5. The environmental-friendly and efficient asphalt waste gas treatment system according to claim 1, wherein: the combustion nozzle includes a combustion head and an exhaust nozzle chamber.
6. The environmental-friendly and efficient asphalt waste gas treatment system according to claim 5, wherein: the front part of the waste gas nozzle chamber is connected with the combustion head, the side wall of the waste gas nozzle chamber is of a double-layer structure, the outer wall of the waste gas nozzle chamber is provided with a waste gas inlet pipe, and the inner wall of the waste gas nozzle chamber is provided with a waste gas jet hole, so that waste gas entering from the waste gas inlet pipe is jetted out through the waste gas jet hole; and a filter screen is arranged behind the waste gas nozzle chamber.
7. The environmental-friendly and efficient asphalt waste gas treatment system according to claim 1, wherein: the air inlet component is an annular air inlet component; annular air inlet subassembly includes air-supply line and annular air blast ring, the one end of air-supply line is worn out the lateral wall of heat accumulation room and is linked to each other with outside forced draught blower, and the other end and annular air blast ring intercommunication are equipped with the blast hole on the annular air blast ring.
8. the environmental-friendly and efficient asphalt waste gas treatment system according to claim 1, wherein: the heat accumulator is a honeycomb heat accumulator; the temperature of the heat accumulator is greater than or equal to 750 ℃.
9. The environmental-friendly and efficient asphalt waste gas treatment system according to claim 1, wherein: the asphalt waste gas is mainly from SBS modified asphalt, rubber powder modified asphalt or asphalt waste gas generated in the production process of waterproof coiled materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822188218.0U CN209801504U (en) | 2018-12-25 | 2018-12-25 | Environment-friendly and efficient asphalt waste gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822188218.0U CN209801504U (en) | 2018-12-25 | 2018-12-25 | Environment-friendly and efficient asphalt waste gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209801504U true CN209801504U (en) | 2019-12-17 |
Family
ID=68818532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822188218.0U Active CN209801504U (en) | 2018-12-25 | 2018-12-25 | Environment-friendly and efficient asphalt waste gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209801504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469913A (en) * | 2018-12-25 | 2019-03-15 | 天津海泰环保科技发展股份有限公司 | A kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency |
-
2018
- 2018-12-25 CN CN201822188218.0U patent/CN209801504U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469913A (en) * | 2018-12-25 | 2019-03-15 | 天津海泰环保科技发展股份有限公司 | A kind of pitch exhaust gas multiple treating system of environment-friendly high-efficiency |
| CN109469913B (en) * | 2018-12-25 | 2024-04-02 | 天津海泰环保科技发展股份有限公司 | Environment-friendly and efficient asphalt waste gas composite treatment system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108050502A (en) | A kind of helix tube generates the energy conservation and environmental protection warming stove of steam | |
| CN207335137U (en) | Gas heater | |
| CN209801504U (en) | Environment-friendly and efficient asphalt waste gas treatment system | |
| CN2711548Y (en) | Self-preheating bitumen smoke incineration treating device | |
| CN206112948U (en) | Gasification gas pyrolysis burner | |
| CN205980265U (en) | Gas water heater | |
| CN205783717U (en) | Gas heater | |
| CN109469913B (en) | Environment-friendly and efficient asphalt waste gas composite treatment system | |
| CN106377978B (en) | Comprehensive treatment system for rubber waste gas | |
| CN105038820A (en) | Novel carbonization furnace for producing charcoal | |
| CN106377977B (en) | Comprehensive treatment device for rubber waste gas | |
| CN209655555U (en) | Aircraft deicing vehicle fuel heater | |
| CN206176360U (en) | High efficiency combustor spray gun | |
| CN202595045U (en) | Oil refining furnace with energy-saving and emission-reduction function | |
| CN206176990U (en) | Energy -concerving and environment -protective tunnel cave | |
| CN206463740U (en) | The Integrated Processing Unit of rubber waste gas | |
| CN201672257U (en) | Crude oil heating furnace | |
| CN102052685A (en) | Incinerator for processing smoke gas generated by waste incineration by utilizing incineration method | |
| CN204824711U (en) | Novel retort is used in biological charcoal production | |
| CN108386834A (en) | A kind of fuel gas buring heating equipment of energy-saving and environment-friendly water-cooled cooling | |
| CN209495341U (en) | A kind of pitch emission-control equipment | |
| CN201003457Y (en) | Volatilized atomized liquid fuel oil heater | |
| CN206597434U (en) | The total system of rubber waste gas | |
| CN106369616A (en) | Rubber waste gas treatment device | |
| CN206176362U (en) | From clean axial compressor air inlet formula combustor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230824 Granted publication date: 20191217 |