CN103446843B - Export the energy-saving absorption bed that concentration is controlled - Google Patents
Export the energy-saving absorption bed that concentration is controlled Download PDFInfo
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- CN103446843B CN103446843B CN201310454170.2A CN201310454170A CN103446843B CN 103446843 B CN103446843 B CN 103446843B CN 201310454170 A CN201310454170 A CN 201310454170A CN 103446843 B CN103446843 B CN 103446843B
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Abstract
The present invention relates to a kind of energy-saving absorption bed exporting concentration controlled and comprise an adsorbent bed, it arranges desorption gas loop exit on this adsorbent bed, this desorption gas loop exit connects electric heater air inlet by pipeline, this electric heater air outlet connects desorption gas circulating fan air inlet by pipeline, the outlet of this desorption gas circulating fan connects the desorption gas loop head on adsorbent bed by pipeline, pipeline between electric heater with desorption gas circulating fan is connected a plate type heat exchanger, this structure achieves the process imagine introducing catalytic bed when gas industry volatile organic pollutants concentration reaches self-sustaining burning concentration in desorption heating circulation system again, make the catalytic bed after preheating can enter self-sustaining burning state fast, the Thermal feedback that catalytic combustion is produced is enough to maintain catalytic bed temperature, and make plate type heat exchanger obtain enough thermals source, reach design conditions requirement, effectively play a role.For reducing auxiliary heating, saving energy consumption creates conditions.
Description
Technical field
The invention belongs to adsorbent bed field, especially a kind ofly export the controlled energy-saving absorption bed of concentration.
Background technology
In PM2.5 to people's body harm maximum no more than industrial volatile organic pollutants, in prior art, catalytic bed combustion method is mainly adopted to industrial volatile organic pollutants, after Adsorption Concentration being carried out to industrial volatile organic pollutants by adsorbent bed, carry out desorption again and enter catalytic bed burning, industrial volatile organic pollutants is converted into carbon dioxide and water, gas temperature after burning comparatively high pass plate type heat exchanger reclaims the combustion heat and uses it for desorption heating and maintain the requirement of catalysis system technological temperature, existing adsorbent bed from desorption heating time the circulatory system access catalytic bed.Because in initial segment and end-tidal gas, VOCs concentration is low, the combustion heat produced can not meet system and " to control oneself " operation demand, maintenance catalytic bed temperature and the heating of adsorbent bed desorption can only rely on auxiliary thermal source to supplement for a long time, therefore cause system cloud gray model energy consumption very high.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, there is provided a kind of and export the controlled energy-saving absorption bed of concentration, this adsorbent bed structure is arranged simply, design science is reasonable, it is controlled to export industrial volatile organic pollutants concentration, provides guarantee for lasting energy-conservation.
The present invention solves its technical problem and is achieved through the following technical solutions:
A kind ofly export the controlled energy-saving absorption bed of concentration, comprise an adsorbent bed, it arranges desorption gas loop exit on this adsorbent bed, this desorption gas loop exit connects electric heater air inlet by pipeline, this electric heater air outlet connects desorption gas circulating fan air inlet by pipeline, the outlet of this desorption gas circulating fan connects the desorption gas loop head on adsorbent bed by pipeline, the pipeline between electric heater with desorption gas circulating fan is connected a plate type heat exchanger.
And described plate type heat exchanger is connected in parallel on the pipeline between electric heater and desorption gas circulating fan.
And, outlet that described plate type heat exchanger is provided with catalytic exhaust entrance, catalytic exhaust outlet, the import of catalysis gas, catalysis gas exports, desorption supplies gas entrance and desorption is supplied gas, entrance and the desorption outlet of supplying gas of supplying gas of this desorption is connected in parallel on the pipeline between electric heater and desorption gas circulating fan by pipeline, and the desorption pipeline that entrance connects of supplying gas is communicated on the pipeline between electric heater and desorption gas circulating fan by triple valve.
And, described adsorbent bed is provided with industrial volatile organic pollutants exhaust gas inlet and purified gas outlet.
And, described adsorbent bed is provided with desorption waste gas delivery outlet and desorption gas input port.
And, described adsorbent bed is provided with adsorbent bed temperature sensor.
And, described adsorbent bed is provided with the online VOCs concentration sensor of adsorbent bed.
And, described adsorbent bed is provided with difference gauge.
And, described pipeline is provided with Tube Temperature Sensor.
And, described pipeline is provided with the online VOCs concentration sensor of pipeline.
Advantage of the present invention and beneficial effect are:
1, the controlled energy-saving absorption bed of this output concentration comprises an adsorbent bed, it arranges desorption gas loop exit on this adsorbent bed, this desorption gas loop exit connects electric heater air inlet by pipeline, this electric heater air outlet connects desorption gas circulating fan air inlet by pipeline, the outlet of this desorption gas circulating fan connects the desorption gas loop head on adsorbent bed by pipeline, pipeline between electric heater with desorption gas circulating fan is connected a plate type heat exchanger, this structure achieves the process imagine introducing catalytic bed when gas industry volatile organic pollutants concentration reaches self-sustaining burning concentration in desorption heating circulation system again, make the catalytic bed after preheating can enter self-sustaining burning state fast, the Thermal feedback that catalytic combustion is produced is enough to maintain catalytic bed temperature, and make plate type heat exchanger obtain enough thermals source, heat energy is provided for adsorbent bed continues desorption, and carry out desorption preheating for next adsorbent bed simultaneously, reach design conditions requirement, effectively play a role.For reducing auxiliary heating, saving energy consumption creates conditions.
2, the energy-saving absorption bed that this output concentration is controlled reaches catalytic bed self-sustaining burning concentration and again the industrial volatile organic pollutants after desorption is incorporated into catalytic bed and carries out catalytic combustion, ensure that catalytic bed temperature, prevent and into a gas, " blast-cold " of catalytic bed is acted on, effectively prevent catalyst poisoning.
3, in the energy-saving absorption bed that this output concentration is controlled, plate type heat exchanger is provided with catalytic exhaust entrance, catalytic exhaust exports, the import of catalysis gas, catalysis gas exports, supply gas entrance and desorption of desorption is supplied gas outlet, entrance and the desorption outlet of supplying gas of supplying gas of this desorption is connected in parallel on the pipeline between electric heater and desorption gas circulating fan by pipeline, desorption supply gas entrance connect pipeline be communicated on the pipeline between electric heater and desorption gas circulating fan by triple valve, the catalytic bed catalytic exhaust of self-sustaining burning can be sent into plate type heat exchanger and reach industrial volatile organic pollutants desorption temperature in adsorbent bed by heat exchange by this structure, even if electric heater can be closed to save electric energy, especially for multiple adsorbent bed be connected in cleaning system circulate desorption time, adsorbent bed exports concentration can meet catalytic bed self-sustaining burning concentration, during self desorption, recyclegas temperature can be met by plate type heat exchanger, achieve and only use electric heater in initial heating, all the other times can close the self-holding heat supply that electric heater realizes whole cleaning system, greatly save electric energy.
4, structural configuration of the present invention is simple, design science reasonable, it is controlled to export industrial volatile organic pollutants concentration, provides guarantee for lasting energy-conservation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
A kind ofly export the controlled energy-saving absorption bed of concentration, comprise an adsorbent bed 2, this adsorbent bed is provided with industrial volatile organic pollutants exhaust gas inlet 3 and purified gas outlet 21, industrial volatile organic pollutants exhaust gas inlet connects filter and spark arrester by pipeline, spark arrester connects industrial volatile organic pollutants exhaust gas source by pipeline, the purified gas outlet of adsorbent bed connects the clean gas after discharging the direct process of main air blower realization by pipeline and directly discharges, adsorbent bed is provided with desorption waste gas delivery outlet 20 and desorption gas input port 1, this desorption waste gas delivery outlet directly can connect catalytic bed by pipeline, also can carry out entering catalytic bed again after heat exchange through plate type heat exchanger, adsorbent bed is provided with adsorbent bed temperature sensor 5, the online VOCs concentration sensor 19 of adsorbent bed and difference gauge 18, innovative point of the present invention is: adsorbent bed is arranged desorption gas loop exit 22, this desorption gas loop exit connects electric heater 7 air inlet by pipeline, this electric heater air outlet connects desorption gas circulating fan 11 air inlet by pipeline, the outlet of this desorption gas circulating fan connects the desorption gas loop head 4 on adsorbent bed by pipeline 8, pipeline between electric heater with desorption gas circulating fan is connected a plate type heat exchanger 13, plate type heat exchanger can be connected in parallel on the pipeline between electric heater and desorption gas circulating fan furtherly, also can connect, plate type heat exchanger of the present invention is provided with catalytic exhaust entrance 17, catalytic exhaust outlet 12, catalysis gas import 15, catalysis gas outlet 16, supply gas entrance 10 and desorption of desorption is supplied gas outlet 14, entrance and the desorption outlet of supplying gas of supplying gas of this desorption is connected in parallel on the pipeline between electric heater and desorption gas circulating fan by pipeline, desorption supply gas entrance connect pipeline be communicated on the pipeline between electric heater and desorption gas circulating fan by triple valve 9, this structure achieves adsorbent bed exports industrial volatile organic pollutants concentration and temperature control when desorption, be conducive to the self-sustaining burning realizing catalytic bed, significantly reduce the unlatching rate of electric heater in whole industrial volatile organic pollutants treatment system, realize energy-saving and cost-reducing, pipeline is provided with Tube Temperature Sensor 6, pipeline is provided with the online VOCs concentration sensor 23 of pipeline.
The present invention can provide and export the controlled industrial volatile organic pollutants waste gas of concentration, make catalytic bed can carry out the stable self-sustaining burning continued, namely the heat supply that electric heater just can complete whole cleaning treatment system need not be started by the heat exchange of plate type heat exchanger, whole cleaning treatment system is made to obtain stable heat energy supply, fully reclaim on this basis, effective heat energy utilizing recovery, make system substantially break away from electric heating to assist, realize super low energy consumption to run, meet environmental protection, energy-conservation industrial development direction, it is the first-selected approach that industrial organic waste-gas purification device obtains marketing.
Claims (9)
1. one kind exports the controlled energy-saving absorption bed of concentration, comprise an adsorbent bed, it is characterized in that: desorption gas loop exit is set on this adsorbent bed, this desorption gas loop exit connects electric heater air inlet by pipeline, this electric heater air outlet connects desorption gas circulating fan air inlet by pipeline, the outlet of this desorption gas circulating fan connects the desorption gas loop head on adsorbent bed by pipeline, pipeline between electric heater with desorption gas circulating fan is connected a plate type heat exchanger, described adsorbent bed is provided with desorption waste gas delivery outlet and desorption gas input port.
2. the energy-saving absorption bed that output concentration according to claim 1 is controlled, is characterized in that: described plate type heat exchanger is connected in parallel on the pipeline between electric heater and desorption gas circulating fan.
3. the energy-saving absorption bed that output concentration according to claim 1 is controlled, it is characterized in that: outlet that described plate type heat exchanger is provided with catalytic exhaust entrance, catalytic exhaust outlet, the import of catalysis gas, catalysis gas exports, desorption supplies gas entrance and desorption is supplied gas, entrance and the desorption outlet of supplying gas of supplying gas of this desorption is connected in parallel on the pipeline between electric heater and desorption gas circulating fan by pipeline, and the desorption pipeline that entrance connects of supplying gas is communicated on the pipeline between electric heater and desorption gas circulating fan by triple valve.
4. the energy-saving absorption bed that output concentration according to claim 1 is controlled, is characterized in that: described adsorbent bed is provided with industrial volatile organic pollutants exhaust gas inlet and purified gas outlet.
5. the energy-saving absorption bed that the output concentration according to claim 1 or 4 is controlled, is characterized in that: described adsorbent bed is provided with adsorbent bed temperature sensor.
6. the energy-saving absorption bed that the output concentration according to claim 1 or 4 is controlled, is characterized in that: described adsorbent bed is provided with the online VOCs concentration sensor of adsorbent bed.
7. the energy-saving absorption bed that the output concentration according to claim 1 or 4 is controlled, is characterized in that: described adsorbent bed is provided with difference gauge.
8. the energy-saving absorption bed that output concentration according to claim 1 is controlled, is characterized in that: described pipeline is provided with Tube Temperature Sensor.
9. the energy-saving absorption bed that output concentration according to claim 1 is controlled, is characterized in that: described pipeline is provided with the online VOCs concentration sensor of pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310454170.2A CN103446843B (en) | 2013-09-27 | 2013-09-27 | Export the energy-saving absorption bed that concentration is controlled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310454170.2A CN103446843B (en) | 2013-09-27 | 2013-09-27 | Export the energy-saving absorption bed that concentration is controlled |
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| Publication Number | Publication Date |
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| CN103446843A CN103446843A (en) | 2013-12-18 |
| CN103446843B true CN103446843B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310454170.2A Expired - Fee Related CN103446843B (en) | 2013-09-27 | 2013-09-27 | Export the energy-saving absorption bed that concentration is controlled |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110652835A (en) * | 2019-10-31 | 2020-01-07 | 长沙经济技术开发区祥原动力供应有限公司 | Thermal regeneration system of adsorbent |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202087196U (en) * | 2011-03-25 | 2011-12-28 | 天津理工大学 | High-efficiency energy-saving purification system for industrial volatile organic pollutants |
| CN203507768U (en) * | 2013-09-27 | 2014-04-02 | 天津赛智科技发展有限公司 | Energy-saving type adsorption bed capable of controlling output concentration |
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Granted publication date: 20160427 Termination date: 20200927 |