CN201093512Y - Mobile waste gas treater - Google Patents
Mobile waste gas treater Download PDFInfo
- Publication number
- CN201093512Y CN201093512Y CNU2007200115778U CN200720011577U CN201093512Y CN 201093512 Y CN201093512 Y CN 201093512Y CN U2007200115778 U CNU2007200115778 U CN U2007200115778U CN 200720011577 U CN200720011577 U CN 200720011577U CN 201093512 Y CN201093512 Y CN 201093512Y
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- waste gas
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model relates to a mobile waste gas treatment device, comprising a waste gas collection unit, a waste gas treatment unit and a mobile unit. The waste gas collection unit consists of a gas skirt, a fan and an absorption tank; the waste gas is collected and then compressed into the absorption tank, and at the same time, adsorbent in the absorption tank can be used for adsorbing the sulfide in the waste gas; the waste gas treatment unit consists of a preprocessor, a heat exchanger and a catalytic combustion catalyst case; the waste gas is oxidized and then discharged; the mobile unit is used for installing the freely moved equipment and is provided with a plurality of wheels which can be drawn by a motor vehicle or other power and moved to the place near any discharge source without organizing the waste gas. The waste gas treatment device has flexible motion, wide range of the waste gas treatment capacity, short flow, simple equipment and good purification treatment effect, suitable for treating the organic waste gas discharged without organization during the periods of equipment operation, service and accident of a coking plant, thereby avoiding the air pollution accidents resulted from the periods of equipment operation, service and accident of coking.
Description
Technical field
The utility model relates to a kind of emission-control equipment, especially for the portable emission-control equipment of handling the uncontrollable discharge organic exhaust gas.
Background technology
Petrochemical Enterprises is in the process that goes into operation of process units, because the instability and the improper running of device can give off a large amount of organic exhaust gas; Between the turn(a)round of device, the water vapor purging oil tank, contain when oil pipeline or other are crossed oily equipment and also can produce a large amount of organic exhaust gas; In the operation process of device, when device has an accident, also can give off a large amount of organic pollutions.These exhaust gas concentrations are very high, if directly discharging will cause serious atmosphere pollution accident.These exhaust gas discharging only occur in going into operation of device or between turn(a)round, belong to uncontrollable discharge, when device enters when running well, just there is not the toxic emission of similarity, therefore be not suitable for special investment and build the fixing emission-control equipment of a cover and handle this exhaust emission.Simultaneously, the exhausted air quantity of this waste gas alters a great deal, and common emission-control equipment is difficult to adapt to the variation of this exhausted air quantity.
To this class treatment of waste gas, owing to do not have a suitable treating apparatus at present, therefore mostly select the method for discharging directly into atmosphere, so not only cause very big atmosphere pollution, and had a strong impact on on-the-spot worker and personnel's physical and mental health on every side.
Organic exhaust gas for the discharging in fixed discharge source has many processing methods, burns and bioanalysis or the like such as absorption, absorption, catalytic combustion, heating power.But for the waste gas of uncontrollable discharge, particularly for the very big waste gas of exhausted air quantity fluctuation, present processing method is few, mostly is not treated and discharging directly into atmosphere.CN91111578.1 has proposed mobile and miniature multistage gas purifier, presses the different scavenging solution of difference configuration of gas, be used to purify the air of a room (or air sterillization in the ward, sterilization) or the worker-house in waste gas.CN99101418.9 has invented automatic movable environmental protection device for recovery of vehicle harmful gas, the principle of using pull of vacuum and centrifugal force is got rid of the dark oil particle that is adsorbed on proportion maximum in screen pack and the waste gas and dust particle on the wall of oval spiral type partial vacuum and (is utilized) in aperture flow into the stored underneath dirty oil tank again, reaches the peculiar smell eliminated in the waste gas and the purpose of pernicious gas.CN88218981.6 has invented a kind of portable waste gas purification apparatus, form by housing, suspended hood, airduct, blower fan, motor, cleaning system, castor, gather waste gas by suspended hood and airduct, by methods such as absorption liquid absorption, filter filtrations, various poisonous, the harmful gas that discharges in the zonule in the processing industrial processes, mist, dirt etc.CN00268384.9 has invented a kind of movable dry type Paint spraying platform device, its structure is: a windmill and a filter are set being equiped with on the board of wheel, described windmill air inlet communicates with the filter air outlet, described filter air intake vent place is provided with a baffling device, baffling device can surround the space of spraying paint, one falsework is used for placing the work object, the work object of making just can be positioned at the space of spraying paint and rotate freely, like this, described Paint spraying platform can move freely, the suction that windmill produced can suck filter with the waste gas and the paint-like flavour of spray painting operation, and makes it to filter totally, to reach the environmental protection purpose.
Petrochemical Enterprises go into operation or maintenance process in the inorganization waste gas components complexity of discharging, changes in flow rate is very big, adopts traditional treatment technology to be difficult to the removal effect that reaches good.Production by Catalytic Combustion Process is to purify a kind of effective ways that contain flammable organic compounds, owing to use catalyst, it is CO that lower temperature just can make most of oxidation operation down
2And H
2O does not produce NO
xDeng the secondary pollution problem.Simultaneously, at different waste gas components, before catalytic combustion, also need to carry out suitable preliminary treatment.
The changes in flow rate of above-mentioned waste gas is very big, and the big ups and downs meeting of flow influences the treatment effect of device.General treating apparatus is difficult to adapt to the fluctuation of this flow.The instability of exhaust gas concentration and flow can make the device operation not steady, wayward, and catalyst and device lifetime shorten.Processing method that proposes in the above-mentioned patented technology or device can not be handled this inorganization waste gas that alters a great deal effectively.
Summary of the invention
At the deficiencies in the prior art, the utility model provide a kind of solve Petrochemical Enterprises device go into operation and maintenance process in the pollution problem of organic exhaust gas of uncontrollable discharge, the emission-control equipment of provide a kind of and move flexibly, flow process is short, equipment is simple, operating flexibility is big, purifying rate is high.
The portable emission-control equipment of the utility model comprises gas sampling unit, exhaust-gas treatment unit and mobile unit three parts.Mobile unit is the mesa structure with castor, the exhaust-gas treatment unit is arranged on the table top of mobile unit, the heat exchanger that the exhaust-gas treatment unit is connected successively by pipeline, heater and catalyst combustion reactor, the gas sampling unit comprises blower fan, gas skirt and adsorption tanks, gas skirt communicates with the inlet of blower fan by pipeline, the blower fan outlet communicates with the adsorption tanks inlet, and the adsorption tanks outlet communicates with heat exchanger entrance.
In the portable emission-control equipment of the utility model, filled with adsorbent in the adsorption tanks, adsorbent is a general type, as active carbon, molecular sieve, silica gel etc.Heat exchanger is catalytic combustion reactor outlet high temperature gas flow and the heat exchange of adsorption tanks outlet low-temperature airflow.Heater adopts electric heater.Mobile unit is to be used for moving freely of device, and it can be moved near any inorganization exhaust gas discharging source by automobile or other power traction.
In the utility model emission-control equipment, the gas sampling unit is made up of gas skirt, blower fan, adsorption tanks three parts, is responsible for the organic exhaust gas of uncontrollable discharge being collected and being adsorbed in adsorption tanks.The import of gas skirt and blower fan links to each other, and the blower fan outlet links to each other with adsorption tanks.Be filled with strip or granular adsorption active carbon in the adsorption tanks.During the absorption beginning, the organic component in the waste gas is by charcoal absorption; Along with the carrying out of absorption, the outlet exhaust gas concentration of adsorption tanks becomes big gradually by zero, until penetrating.Absorption can be handled the waste gas that exhausted air quantity constantly changes by the absorption of active carbon.When less and duration of on-the-spot exhausted air quantity more in short-term, just can reach the purpose of processing pollutant by the absorption of adsorption tanks; When the waste gas quantitative change was big, active carbon penetrated in the adsorption tanks, was handled through the exhaust-gas treatment unit of back by the waste gas that adsorption tanks come out again; When exhausted air quantity diminished again, being adsorbed jar adsorbed organic matter can discharge, and continued to handle for the catalytic combustion system of back.Active carbon in the adsorption tanks can also be removed the absorption of the sulfide in the waste gas simultaneously.This apparatus features just is to be suitable for handling the waste gas of changes in flow rate, has increased the operating flexibility of device, therefore is particularly suitable for handling the organic exhaust gas of uncontrollable discharge.
What the exhaust-gas treatment unit adopted is catalytic combustion technology, is made up of heat exchanger, heater, catalytic combustion reactor three parts.Waste gas earlier after adsorption tanks absorption, by heat exchanger and heater with heating by the exhaust gases to the certain reaction temperature, enter catalytic combustion reactor again, discharge after removing polluter wherein.Be filled with in the catalytic combustion reactor and adopt cellular noble metal catalyst, 250～300 ℃ of reactor inlet temperatures, the bed air speed is 10000～80000hr
-1The effect of heater and heat exchanger is to the certain reaction temperature with heating by the exhaust gases.Wherein heater is only bigger at the temperature rise period power consumption, and after this treating apparatus runs well, by the heat reuse of heat exchanger, the power consumption of heater will progressively reduce; When exhaust gas concentration reaches certain numerical value, heater will stop heating fully.
Mobile unit is to be used for the facility that device moves freely, and it can be moved near any inorganization exhaust gas discharging source by automobile or other power traction.
The utility model emission-control equipment can be handled the organic exhaust gas of various uncontrollable discharges.Petrochemical Enterprises in maintenance process, by water vapour to oil tank, contain oil pipeline or other crosses purgings such as oily equipment, can produce the organic exhaust gas of a large amount of high concentrations; Between the oil refining apparatus under-stream period, because device is unstable, the organic exhaust gas that the initial stage of going into operation can discharge.The generation of these waste gas is discontinuous, and after maintenance end or the unit normal run, these waste gas are no longer discharging just.Therefore, according to the characteristics of this class waste gas, invented a kind of emission-control equipment of movable type.Petrochemical Enterprises is going into operation or between turn(a)round, can move this emission-control equipment to scene, then and there the waste gas that produces is handled, and avoids causing big contamination accident.Go into operation or overhaul finish after, emission-control equipment pulls away again.This flexible movement formula emission-control equipment is suitable for the processing of various inorganization organic exhaust gas.This emission-control equipment flow process is simple, stable operation, purifying rate height, energy consumption is low, opereating specification is wide, is applicable to the purified treatment of the organic exhaust gas of various uncontrollable discharges, has good economic benefit and environmental benefit.
Description of drawings
Fig. 1 is the utility model emission-control equipment structural representation.
Wherein: 1-gas skirt, 2-blower fan, 3-adsorption tanks, 4-heat exchanger, 5-heater, 6-catalytic combustion reactor, 7-mobile unit.
The specific embodiment
The gas sampling unit of the utility model emission-control equipment is made up of gas skirt, blower fan, adsorption tanks three parts, is responsible for the organic exhaust gas of uncontrollable discharge being collected and being adsorbed in adsorption tanks.Be filled with absorption and good strip or the granular active carbon of desorption performance in the adsorption tanks, the filling quantity of active carbon can be determined according to the scale of device and the actual discharge situation of waste gas.When somewhere uncontrollable discharge waste gas takes place, move device to scene, have long-armed gas skirt and reach the exhaust gas leakage mouth, under the effect of blower fan, waste gas is sent into adsorption tanks, organic matter in the waste gas begins by charcoal absorption, and the sulfide in the waste gas also is adsorbed removal simultaneously.The adsorption tanks exit gas enters the exhaust-gas treatment unit of back.Along with the carrying out of absorption, the outlet exhaust gas concentration of adsorption tanks becomes big gradually by zero, until penetrating.Absorption can be handled the waste gas that exhausted air quantity constantly changes by the absorption of active carbon.When less and duration of on-the-spot exhausted air quantity more in short-term, just can reach the purpose of processing pollutant by the absorption of adsorption tanks; When the waste gas quantitative change was big, active carbon penetrated in the adsorption tanks, was handled through the exhaust-gas treatment unit of back by the waste gas that adsorption tanks come out again; When exhausted air quantity diminished again, being adsorbed jar adsorbed organic matter can discharge, and continued to handle for the catalytic combustion system of back.This apparatus features just is to be suitable for handling the waste gas of changes in flow rate, has increased the operating flexibility of device, therefore is particularly suitable for handling the organic exhaust gas of uncontrollable discharge.
What the exhaust-gas treatment unit adopted is catalytic combustion technology, is made up of heat exchanger, heater, catalytic combustion reactor three parts.Waste gas earlier after adsorption tanks absorption, by heat exchanger and heater with heating by the exhaust gases to the certain reaction temperature, enter catalytic combustion reactor again, discharge after removing polluter wherein.Be filled with in the catalytic combustion reactor and adopt cellular noble metal catalyst, 250～300 ℃ of reactor inlet temperatures, the bed air speed is 10000～80000hr
-1The effect of heater and heat exchanger is to the certain reaction temperature with heating by the exhaust gases.Wherein heater is only bigger at the temperature rise period power consumption, and after this treating apparatus runs well, by the heat reuse of heat exchanger, the power consumption of heater will progressively reduce; When exhaust gas concentration reaches certain numerical value, heater will stop heating fully.When adsorption tanks began to adsorb, exit gas concentration was very low, began pre-heating temperature elevation at this time internal reaction device; When being adsorbed onto to a certain degree Deng adsorption tanks, the outlet exhaust gas concentration exceeds standard, and this moment, reactor bed also was raised to reaction temperature, just in time carries out catalytic combustion and handles.
Mobile unit is to be used for the facility that device moves freely, and it can be moved near any inorganization exhaust gas discharging source by automobile or other power traction.
Further illustrate use of the present utility model below in conjunction with example.
Embodiment 1
Certain petroleum chemical enterprise oil product workshop carried out with high-pressure water vapor pipeline being purged in the cleaning process to processed oil pipeline between turn(a)round, had a large amount of benzene series thing organic exhaust gas that contains to be discharged by the pipeline atmospheric valve in the purge.Move portable treating apparatus to scene, gas skirt links to each other with the pipeline waste gas outlet, fan starting, and adsorption tanks carry out adsorption treatment to waste gas; Simultaneously, heater starting, catalytic combustion reactor begin to heat up.After about 1 hour, the catalytic combustion reactor bed temperature is raised to 250 ℃, also has organic pollutants in the adsorption tanks exit gas.Pollutant in the waste gas under the effect of catalyst, is oxidized to carbon dioxide and water, the gas qualified discharge by the catalytic reactor bed.To the sampling analysis of catalytic combustion reactor import and export waste gas, the results are shown in Table 1.Before portable catalytic combustion system comes into operation, in the processed oil pipeline cleaning process, tend to cause serious atmosphere pollution, thereby the environmental protection of suffering surrounding resident is complained; After portable catalytic combustion system comes into operation, qualified discharge after the exhaust-gas treatment that the cleaning process trick produces, the on-the-spot foul odour that can't smell on every side, the atmospheric environment around the plant area is also no longer polluted.
Table 1 oil product workshop maintenance pollutant catalytic combustion removal effect
Embodiment 2
Certain petroleum chemical enterprise's acrylonitrile installation is because accident discharges the organic exhaust gas that contains acrylonitrile, propane, propylene etc. in a large number in the reactor.The portable treating apparatus scene of moving to is handled waste gas, simultaneously reactor import and export waste gas is carried out monitoring analysis.Result such as table 2.
Table 2 acrylonitrile installation accident exhaust-gas treatment result
Embodiment 3
Certain PTA of petroleum chemical enterprise device is because accident is emitted the waste gas that contains benzene, dimethylbenzene, acetate etc. in the gas-liquid water distributing can.The portable treating apparatus scene of moving to is handled waste gas, simultaneously reactor import and export waste gas is carried out monitoring analysis.Result such as table 3.
Table 3PTA device accident waste gas catalytic combustion removal effect
Between certain petrochemical plant hydrocracking unit under-stream period, because device is undesired, a large amount of organic gas are sent to torch burning, in a cooling tower, also give off simultaneously a large amount of organic gas, owing to can't carry to the torch pipeline,, waste gas be handled so move portable treating apparatus to scene.Result sees Table 4.
The table 4 hydrocracking unit waste gas catalytic combustion result that goes into operation
Between certain petrochemical plant aromatic hydrocarbons workshop toluene process units under-stream period, the organic gas that contains benzene, toluene etc. is in a large number discharged.After portable treating apparatus was handled, the toluene concentration in the waste gas was by the 4500mg/m before handling
3Drop to 120mg/m
3Below, thereby avoided pollution that the ambient atmosphere environment is caused.
Claims (6)
1. portable emission-control equipment, it is characterized in that comprising gas sampling unit, exhaust-gas treatment unit and mobile unit three parts, mobile unit is the mesa structure with castor, the exhaust-gas treatment unit is arranged on the table top of mobile unit, the heat exchanger that the exhaust-gas treatment unit is connected successively by pipeline, heater and catalyst combustion reactor, the gas sampling unit comprises blower fan, gas skirt and adsorption tanks, gas skirt communicates with the inlet of blower fan by pipeline, the blower fan outlet communicates with the adsorption tanks inlet, and the adsorption tanks outlet communicates with heat exchanger entrance.
2. according to the described device of claim 1, it is characterized in that filled with adsorbent in the described adsorption tanks.
3. according to the described device of claim 1, it is characterized in that described heat exchanger is catalytic combustion reactor outlet high temperature gas flow and the heat exchange of adsorption tanks outlet low-temperature airflow.
4. according to the described device of claim 1, it is characterized in that described heater is an electric heater.
5. according to the described device of claim 1, it is characterized in that the cellular noble metal catalyst of filling in the described catalytic combustion reactor, 250～300 ℃ of reactor inlet temperatures, the bed air speed is 10000～80000hr
-1
6. according to the described device of claim 1, it is characterized in that described mobile unit adopts power traction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200115778U CN201093512Y (en) | 2007-04-04 | 2007-04-04 | Mobile waste gas treater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200115778U CN201093512Y (en) | 2007-04-04 | 2007-04-04 | Mobile waste gas treater |
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| Publication Number | Publication Date |
|---|---|
| CN201093512Y true CN201093512Y (en) | 2008-07-30 |
Family
ID=39901480
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200115778U Expired - Lifetime CN201093512Y (en) | 2007-04-04 | 2007-04-04 | Mobile waste gas treater |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102302883A (en) * | 2011-06-17 | 2012-01-04 | 陈碧君 | Method and shifting unit for processing chemical-industrial emissions |
| CN103394284A (en) * | 2013-06-04 | 2013-11-20 | 青岛华世洁环保科技有限公司 | Mobile enrichment-fixing catalytic oxidation type organic waste-gas treating apparatus |
| CN105441613A (en) * | 2014-08-29 | 2016-03-30 | 宝山钢铁股份有限公司 | Blast furnace hearth leaked coal gas collecting and processing apparatus and collecting and processing method thereof |
| CN106594764A (en) * | 2016-12-29 | 2017-04-26 | 江门市崖门新财富环保工业有限公司 | Secondary combustion chamber type waste gas treatment system |
| CN106705102A (en) * | 2015-11-12 | 2017-05-24 | 衡阳衡锅锅炉有限公司 | Industrial boiler deduster |
| CN108421369A (en) * | 2018-04-20 | 2018-08-21 | 成都鑫金臣节能环保科技有限公司 | The organic waste gas treatment device of mobile desorption catalyzing burning vehicle is set |
| CN108458354A (en) * | 2018-04-20 | 2018-08-28 | 成都鑫金臣节能环保科技有限公司 | Sectional type activated carbon adsorption desorption catalyzing burner |
| CN108579327A (en) * | 2018-04-20 | 2018-09-28 | 成都鑫金臣节能环保科技有限公司 | The moveable organic waste gas treatment device of desorption catalyzing burner |
| CN109224783A (en) * | 2018-11-06 | 2019-01-18 | 孙文举 | Vehicle-mounted removable volatile organic compounds processing unit, system and method |
| CN109268859A (en) * | 2018-08-31 | 2019-01-25 | 张俊霞 | A kind of set composite of gas cleaning and recovery waste heat and fuel gas |
| CN110686259A (en) * | 2019-10-18 | 2020-01-14 | 郭渊明 | Movable thermal oxidizer |
| CN111102587A (en) * | 2019-12-13 | 2020-05-05 | 江苏中圣高科技产业有限公司 | Ultra-clean exhaust gas treatment system and treatment method |
| CN113432135A (en) * | 2020-03-23 | 2021-09-24 | 大连佳纯气体净化技术开发有限公司 | Removing CO from gasified and transported pulverized coal2Method and device for producing methanol in gas |
-
2007
- 2007-04-04 CN CNU2007200115778U patent/CN201093512Y/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102302883A (en) * | 2011-06-17 | 2012-01-04 | 陈碧君 | Method and shifting unit for processing chemical-industrial emissions |
| CN102302883B (en) * | 2011-06-17 | 2014-05-28 | 陈碧君 | Method and shifting unit for processing chemical-industrial emissions |
| CN103394284A (en) * | 2013-06-04 | 2013-11-20 | 青岛华世洁环保科技有限公司 | Mobile enrichment-fixing catalytic oxidation type organic waste-gas treating apparatus |
| CN103394284B (en) * | 2013-06-04 | 2014-12-17 | 青岛华世洁环保科技有限公司 | Mobile enrichment-fixing catalytic oxidation type organic waste-gas treating apparatus |
| CN105441613A (en) * | 2014-08-29 | 2016-03-30 | 宝山钢铁股份有限公司 | Blast furnace hearth leaked coal gas collecting and processing apparatus and collecting and processing method thereof |
| CN106705102A (en) * | 2015-11-12 | 2017-05-24 | 衡阳衡锅锅炉有限公司 | Industrial boiler deduster |
| CN106594764A (en) * | 2016-12-29 | 2017-04-26 | 江门市崖门新财富环保工业有限公司 | Secondary combustion chamber type waste gas treatment system |
| CN108458354A (en) * | 2018-04-20 | 2018-08-28 | 成都鑫金臣节能环保科技有限公司 | Sectional type activated carbon adsorption desorption catalyzing burner |
| CN108421369A (en) * | 2018-04-20 | 2018-08-21 | 成都鑫金臣节能环保科技有限公司 | The organic waste gas treatment device of mobile desorption catalyzing burning vehicle is set |
| CN108579327A (en) * | 2018-04-20 | 2018-09-28 | 成都鑫金臣节能环保科技有限公司 | The moveable organic waste gas treatment device of desorption catalyzing burner |
| CN109268859A (en) * | 2018-08-31 | 2019-01-25 | 张俊霞 | A kind of set composite of gas cleaning and recovery waste heat and fuel gas |
| CN109224783A (en) * | 2018-11-06 | 2019-01-18 | 孙文举 | Vehicle-mounted removable volatile organic compounds processing unit, system and method |
| CN109224783B (en) * | 2018-11-06 | 2024-10-15 | 孙文举 | Vehicle-mounted movable volatile organic compound waste gas treatment device, system and method |
| CN110686259A (en) * | 2019-10-18 | 2020-01-14 | 郭渊明 | Movable thermal oxidizer |
| CN111102587A (en) * | 2019-12-13 | 2020-05-05 | 江苏中圣高科技产业有限公司 | Ultra-clean exhaust gas treatment system and treatment method |
| CN113432135A (en) * | 2020-03-23 | 2021-09-24 | 大连佳纯气体净化技术开发有限公司 | Removing CO from gasified and transported pulverized coal2Method and device for producing methanol in gas |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080730 |