CN104949137A - Processing unit for pitch smoke - Google Patents
Processing unit for pitch smoke Download PDFInfo
- Publication number
- CN104949137A CN104949137A CN201510374314.2A CN201510374314A CN104949137A CN 104949137 A CN104949137 A CN 104949137A CN 201510374314 A CN201510374314 A CN 201510374314A CN 104949137 A CN104949137 A CN 104949137A
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- China
- Prior art keywords
- flue gas
- hearth
- burner
- conveyance conduit
- burner hearth
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a processing unit for pitch smoke. The processing unit comprises a control system, a conveying pipeline connecting a reaction still to a producing-heating hearth, a blowing-in motor capable of changing air volume and an adjusting valve which are arranged on the conveying pipeline in sequence. The outlet of the conveying pipeline is connected to a combustor or a smoke-conveying component capable of conveying the pitch smoke to the hearth. The blowing-in motor capable of changing the air volume, the adjusting valve and a temperature sensor in the hearth are in communication connection with a control system respectively to form close-loop control. The pitch smoke generated in the production process is delivered to the hearth directly to burn after being processed simply. The hearth can be the hearth of a batching reaction still or a pitch heating tank, and the hearth can be consumed away in producing process, so that the treating pressure is reduced; moreover, combustion proposal is conducted on the pitch smoke, the combustible component in the pitch smoke is utilized sufficiently, only carbon dioxide and water are produced after being disposed, the pollution is little, the treatment cost is low, and the external environment is protected effectively.
Description
Technical field
The present invention relates in fume treatment technical field, particularly relate to a kind for the treatment of apparatus of bitumen flue gas.
Background technology
Rubber powder modified asphalt lays urban road expressway and bridge floor, reduces and absorption of noise, improves wheel and road adherence, improving friction makes brake stablize, frost-cracking-preventing antiageing effect does not ftracture good winter, and hot day is not soft sticky, and makes a large amount of junked tire be recycled utilization.But rubber powder under 185 ~ 195 DEG C of states with asphalt mixing time, have a large amount of containing the vicious flue gas effusion such as ether, hydrogen cyanide, sulfur dioxide, the BaP wherein contained is the maximum strong carcinogenic substance of one of polycyclic aromatic hydrocarbon Poisoning, the aerosol formed with all kinds particulate in air combines, below 8 microns in inhalable particulates grain, the ratio directly sucking lung is higher, sucks lung through respiratory tract, enter alveolar even blood, cause lung cancer and angiocardiopathy.
When rubber powder is at high operating temperatures with asphalt mixing in the past, that overflows contains the vicious flue gases such as ether, hydrogen cyanide, sulfur dioxide after heat exchanger cooling in exhaust gas cooling device, directly enter air after entering oil-washing apparatus process, its malicious smelly fume treatment effect is not ideal.
Chinese patent 201815218 U discloses the smelly smoke processing system of a kind of rubber powder modified asphalt poison, for rubber powder fume treatment smelly with poison during asphalt mixing at high operating temperatures.Described system comprises exhaust gas cooling device, bitubular low resistance cyclone dust, alkali cleaning oil-washing apparatus, gas and water separator, absorbent charcoal adsorber, blower fan and chimney, the import of described bitubular low resistance cyclone dust is connected with exhaust gas cooling device, the outlet of bitubular low resistance cyclone dust is connected with the import of alkali cleaning oil-washing apparatus, the outlet of alkali cleaning oil-washing apparatus is connected with gas and water separator import, gas and water separator outlet is connected with absorbent charcoal adsorber import, absorbent charcoal adsorber outlet is connected with fan inlet, fan outlet access chimney.
Although adopt number of chemical and physical method effectively can remove the smelly composition of flue gas poison of rubber powder modified asphalt, but use cost is high, and the component that result in flue gas is as waste disposal, fail to give full play to its effect, be not only during rubber powder modified asphalt is produced the flue gas produced, at SBS modified pitch, SBR modified pitch, epoxy resin modified asphalt, color asphalt, heavy traffic paving asphalt, during the manufactures such as coal tar pitch also can produce the smelly flue gas of similar poison, above-mentioned flue gas is referred to as bitumen flue gas, in attention environmental protection instantly, it is basic that effective process of bitumen flue gas has directly concerned the existence of asphalt rubber industry.
Summary of the invention
The object of the invention is the technological deficiency for existing in prior art, and a kind for the treatment of apparatus of bitumen flue gas is provided.
The technical scheme adopted for realizing object of the present invention is:
A kind for the treatment of apparatus of bitumen flue gas, comprise control system and connection reactor or reactor group to the conveyance conduit producing heating furnace, be successively set on the variable air quantity air supply motor on described conveyance conduit and control valve, the outlet of described conveyance conduit is connected to burner or bitumen flue gas can be sent into send cigarette parts in burner hearth, and described variable air quantity air supply motor and the temperature sensor in control valve and burner hearth are connected to form closed-loop control with described control system communication respectively.
Described conveyance conduit is also serially connected with check valve and oil water separator.
Described variable air quantity air supply motor is frequency conversion air supply motor.
Described send cigarette parts to comprise with the outer distribution ring of described conveyance conduit outlet and multiple layout in burner peripheral ring week and run through burner hearth sidewall and the balanced device that is communicated with described outer distribution ring of outer end, described balanced device the inner is provided with flue gas nozzle.
Described burner is provided with the exhaust gases passes be communicated with described conveyance conduit, sprays into the fuel combustion zone Thorough combustion of burner hearth after bitumen flue gas and fuel mix in the lump.
The periphery of described burner the inner is fixedly installed the ring-type waste gas wind dish with the outlet of described conveyance conduit, and described waste gas wind dish is provided with waste gas outlet or balanced device.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention can be widely used in rubber powder modified asphalt, SBS modified pitch, SBR modified pitch, epoxy resin modified asphalt, color asphalt pitch, heavy traffic paving asphalt, the process of the bitumen flue gas that coal tar pitch etc. produce in producing, by the bitumen flue gas that produces in producing after simple process, direct feeding burner hearth also makes it burn, because reactor itself has certain flue gas buffer memory effect, the bitumen flue gas of generation is synchronously delivered to burner hearth continuously or intermittently, burner hearth can be the burner hearth of the production heating furnace of batching reactor or Asphaltum heating pot, while production, bitumen flue gas is just consumed like this, decrease processing pressure, and, by bitumen flue gas burning process, take full advantage of flammable component in bitumen flue gas, the bitumen flue gas produced in production process is carried out burning process as the secondary energy, only carbon dioxide and water is produced after process, pollute little, processing cost is low, available protecting external environment condition.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the treating apparatus of nearly combustion of the present invention;
It is the structural representation of internal treating apparatus of the present invention described in Fig. 2;
Figure 3 shows that the structural representation of outer-enwraped type treating apparatus of the present invention;
Figure 4 shows that the burner structure schematic diagram of outer-enwraped type treating apparatus.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In the present invention, rubber powder modified asphalt, SBS modified pitch, SBR modified pitch, epoxy resin modified asphalt, color asphalt, heavy traffic paving asphalt, the processing method of the bitumen flue gas produced during the manufactures such as coal tar pitch is to be injected in production burner hearth by proportion-controllable by predetermined amount of flow by the bitumen flue gas produced when producing heating and bitumen flue gas is at high temperature burnt, wherein, before entering burner hearth, for avoiding moisture, impact is formed on burning, also comprise carbonated drink separating step, simultaneously, for mating different bitumen flue gas components and reaching the object of final removing of burning completely, described bitumen flue gas is injected into the inner explosive fringe of flame tip or all combustion zones of ring.
By the bitumen flue gas that produces in producing after simple process, direct feeding production burner hearth also makes it burn, burner hearth can be the burner hearth of production such as batching reactor or Asphaltum heating pot etc., just be consumed while production like this, decrease accumulation processing pressure, decrease and deposit risk, simultaneously without the need to arranging extra treatment facility, construction cost is low, and, bitumen flue gas higher for temperature directly to be burnt process, take full advantage of heat and flammable component in bitumen flue gas, only carbon dioxide and water is produced after process, pollute little, processing cost is low, available protecting external environment condition, introduce rubber asphalt industry for each place and solve large problem, also new vigor is filled with to the sector simultaneously.
Wherein, for realizing said method, the treating apparatus of bitumen flue gas, comprise control system, be communicated with in order to complete rubber powder at high operating temperatures with asphalt mixing or reactor that other are corresponding or reactor group to the conveyance conduit of burner hearth, be successively set on the check valve on described conveyance conduit, oil water separator, frequency conversion type air supply motor and control valve, the outlet of described conveyance conduit is connected to burner or is connected to bitumen flue gas to be sent into send cigarette parts in burner hearth, described variable air quantity air supply motor and the temperature sensor in control valve and burner hearth are connected with described control system communication respectively, the fire box temperature that control system is arrived by temperature sensor senses, coordinate control valve, the control of frequency conversion type air supply motor and burner, under ensureing that fire box temperature meets the prerequisite of setting, the waste gas that synchronousing combustion produces, accomplish produce and except desynchronizing, process is deposited without centre, integral device is simple and easy, be easy to field construction realize.
No matter be rubber powder modified asphalt, or SBS modified pitch, SBR modified pitch, epoxy resin modified asphalt, color asphalt, heavy traffic paving asphalt, coal tar pitch etc., only just bitumen flue gas can be produced in burner hearth normal combustion after production equipment work, by the buffer memory effect of reactor or reactor group self, depending on the combustion case of burner hearth, by the orderly synchronous transport of bitumen flue gas of generation to burner hearth, namely, according to bitumen flue gas generation, hearth combustion situation, by predetermined time node, bitumen flue gas is inputted burner hearth, can not add etc. when such as burner hearth does not work or works abnormal, by impurity in the flame of burner hearth and high temperature removing bitumen flue gas, make whole processing method progress reliable and stable, utilize combinationally using of check valve and frequency conversion type variable air quantity air supply motor and control valve and burner, can ensure that bitumen flue gas is sent in burner hearth by predetermined amount of flow, adaptability in conjunction with various fuel and air regulates, ensure that burner hearth flame normal temperature is constant, ensure the burning carrying out bitumen flue gas in normal operation, while combustible combustion utilizes its calorific value, high temperature can also effectively remove other impurity, accomplish the process of harmless environmental protection bitumen flue gas.
As shown in Figure 1, specifically, for realizing the burning of bitumen flue gas, described send cigarette parts to comprise to export with described conveyance conduit the 3 outer distribution rings 4 be communicated with and multiple layout in burner 1 outer ring week and run through burner hearth 2 sidewall and the balanced device 5 that is communicated with described outer distribution ring of outer end, wherein said balanced device the inner is provided with nozzle, nozzle makes the bitumen flue gas of ejection enter or near the explosive fringe of flame, higher for burning-point like this, in burning situation, all burning needs the waste gas successful of long period, and this is nearly combustion combustion system.For the bitumen flue gas that burning-point is lower, bitumen flue gas is delivered to the combustion zone in flame tip ring week by balanced device and nozzle, and namely flat combustion just effectively can realize each component combustion removing of bitumen flue gas.This setting sending cigarette parts, is particularly useful for the transformation replacement of fuel of old burner hearth, not needing effectively to remove bitumen flue gas under prerequisite burner or burner hearth being done to too much improvement, realizes cost low.
Adopt above-mentioned send cigarette parts time, because it is arranged on burner ring week and keeps interval, direct interference is there is not with burner, directly can use now commercially available various burners, as heavy oil burner, bumer of light fuel etc., only need Proper Match bitumen flue gas flow can carry out the removal of bitumen flue gas combustion-type when not changing firing space behavior, without the need to additional dedicated equipment, use cost and construction cost low.
Nearly step ground, as shown in Figure 2, for the gas burner 10 that combustion medium is combustion gas or other atomized fuels, the outlet of described conveyance conduit 11 is to the passage of the nozzle front portion of burner, by combustion gas and send into after wind and bitumen flue gas mix in pipeline and enter in burner hearth 12 in the lump, combustion gas and bitumen flue gas to spray in burner hearth from nozzle simultaneously and burn, this hybrid internal burning more can improve burning time, remove component burning flammable in bitumen flue gas, non-combustible component Pintsch process is removed.Namely, for the burner of many combustion mediums, the outlet of conveyance conduit is directly accessed default interface, like this, complete with bitumen flue gas before heavy oil, light oil or other combustion mediums can being entered burner hearth in burner and mix, realize the effect of above-mentioned burning deasphalting flue gas.
Further, as shown in Figures 3 and 4, also can make further improvements burner, namely the ring-type waste gas wind dish 25 with the outlet of described conveyance conduit 21 is directly fixedly installed in the periphery of described burner 20 the inner, described waste gas wind dish is provided with waste gas outlet or waste gas and goes out pipe or nozzle 22, namely, in the secondary of the inner of burner even wind dish or other secondaries even wind mechanism 23, waste gas wind dish is directly set in outer shroud week, and the nozzle 24 in the middle part of fuel spontaneous combustion burner sprays, fuel is different with the direction of rotation of Secondary Air, the waste gas going out pipe ejection from waste gas outlet or waste gas can rotate by the direction of Secondary Air dish air-out, namely bitumen flue gas and fuel enter burner hearth respectively and in burner hearth, carry out the mixed combustion of adosculation formula, eliminate the construction to burner hearth sidewall, security is higher, and, also the internal modifications to burner is avoided, these waste gas are guided to high temperature combustion zone even explosive fringe so that the flammable component of after-flame, decompose non-combustible component.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. the treating apparatus of a bitumen flue gas, it is characterized in that, comprise control system and connection reactor or reactor group to the conveyance conduit producing heating furnace, be successively set on the variable air quantity air supply motor on described conveyance conduit and control valve, the outlet of described conveyance conduit is connected to burner or bitumen flue gas can be sent into send cigarette parts in burner hearth, and described variable air quantity air supply motor and the temperature sensor in control valve and burner hearth are connected to form closed-loop control with described control system communication respectively.
2. treating apparatus as claimed in claim 1, is characterized in that, described conveyance conduit is also serially connected with check valve and oil water separator.
3. treating apparatus as claimed in claim 1, it is characterized in that, described variable air quantity air supply motor is frequency conversion air supply motor.
4. treating apparatus as claimed in claim 1, it is characterized in that, described send cigarette parts to comprise with the outer distribution ring of described conveyance conduit outlet and multiple layout in burner peripheral ring week and run through burner hearth sidewall and the balanced device that is communicated with described outer distribution ring of outer end, described balanced device the inner is provided with flue gas nozzle.
5. treating apparatus as claimed in claim 1, it is characterized in that, described burner is provided with the exhaust gases passes be communicated with described conveyance conduit, sprays into the fuel combustion zone Thorough combustion of burner hearth after bitumen flue gas and fuel mix in the lump.
6. treating apparatus as claimed in claim 1, it is characterized in that, the periphery of described burner the inner is fixedly installed the ring-type waste gas wind dish with the outlet of described conveyance conduit, and described waste gas wind dish is provided with waste gas outlet or balanced device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510374314.2A CN104949137A (en) | 2015-06-30 | 2015-06-30 | Processing unit for pitch smoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510374314.2A CN104949137A (en) | 2015-06-30 | 2015-06-30 | Processing unit for pitch smoke |
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| Publication Number | Publication Date |
|---|---|
| CN104949137A true CN104949137A (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510374314.2A Pending CN104949137A (en) | 2015-06-30 | 2015-06-30 | Processing unit for pitch smoke |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003302029A (en) * | 2002-04-05 | 2003-10-24 | Nikko Co Ltd | Deodorizing device for asphalt plant |
| CN2711548Y (en) * | 2004-06-04 | 2005-07-20 | 徐向成 | Self-preheating bitumen smoke incineration treating device |
| CN1948833A (en) * | 2006-11-06 | 2007-04-18 | 贵阳铝镁设计研究院 | Smoke inlet device of incinerator |
| CN101149151A (en) * | 2006-09-20 | 2008-03-26 | 贵阳铝镁设计研究院 | Asphalt flue gas processing method and its incinerator |
| CN201815218U (en) * | 2010-09-19 | 2011-05-04 | 江阴市光泰机械有限公司 | Rubber powder modified asphalt poisonous and stink flue gas treatment system |
| CN202281234U (en) * | 2011-10-25 | 2012-06-20 | 山东寿光鲁清石化有限公司 | Device for treating tail gases in asphalt production lines |
| JP4997130B2 (en) * | 2008-01-29 | 2012-08-08 | 日工株式会社 | Asphalt mixture production equipment |
| CN203862081U (en) * | 2014-06-13 | 2014-10-08 | 青州市鑫通沥青科技有限公司 | Asphalt smoke treating system |
| CN104226098A (en) * | 2014-10-11 | 2014-12-24 | 北京嘉格伟业筑路科技有限公司 | Modified asphalt tail gas treating system and treating process thereof |
| CN204880152U (en) * | 2015-06-30 | 2015-12-16 | 天津海泰环保科技发展有限公司 | Processing apparatus of pitch flue gas |
-
2015
- 2015-06-30 CN CN201510374314.2A patent/CN104949137A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003302029A (en) * | 2002-04-05 | 2003-10-24 | Nikko Co Ltd | Deodorizing device for asphalt plant |
| CN2711548Y (en) * | 2004-06-04 | 2005-07-20 | 徐向成 | Self-preheating bitumen smoke incineration treating device |
| CN101149151A (en) * | 2006-09-20 | 2008-03-26 | 贵阳铝镁设计研究院 | Asphalt flue gas processing method and its incinerator |
| CN1948833A (en) * | 2006-11-06 | 2007-04-18 | 贵阳铝镁设计研究院 | Smoke inlet device of incinerator |
| JP4997130B2 (en) * | 2008-01-29 | 2012-08-08 | 日工株式会社 | Asphalt mixture production equipment |
| CN201815218U (en) * | 2010-09-19 | 2011-05-04 | 江阴市光泰机械有限公司 | Rubber powder modified asphalt poisonous and stink flue gas treatment system |
| CN202281234U (en) * | 2011-10-25 | 2012-06-20 | 山东寿光鲁清石化有限公司 | Device for treating tail gases in asphalt production lines |
| CN203862081U (en) * | 2014-06-13 | 2014-10-08 | 青州市鑫通沥青科技有限公司 | Asphalt smoke treating system |
| CN104226098A (en) * | 2014-10-11 | 2014-12-24 | 北京嘉格伟业筑路科技有限公司 | Modified asphalt tail gas treating system and treating process thereof |
| CN204880152U (en) * | 2015-06-30 | 2015-12-16 | 天津海泰环保科技发展有限公司 | Processing apparatus of pitch flue gas |
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Application publication date: 20150930 |