CN203281193U - Waste gas treatment device utilizing microwave activated charcoal regeneration method - Google Patents
Waste gas treatment device utilizing microwave activated charcoal regeneration method Download PDFInfo
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- CN203281193U CN203281193U CN201320232234XU CN201320232234U CN203281193U CN 203281193 U CN203281193 U CN 203281193U CN 201320232234X U CN201320232234X U CN 201320232234XU CN 201320232234 U CN201320232234 U CN 201320232234U CN 203281193 U CN203281193 U CN 203281193U
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Abstract
The utility model relates to a waste gas treatment device utilizing a microwave activated charcoal regeneration method. The waste gas treatment device comprises activated charcoal adsorption towers, wherein gas inlets are formed in the bottoms of the activated charcoal adsorption towers; gas outlets are formed in the tops of the activated charcoal adsorption towers; microwave desorption devices are arranged on the activated charcoal adsorption towers; air valves and an adjusting valve are connected with the gas inlets; the activated charcoal adsorption towers, the microwave desorption devices and the air valves form purification units. With the adoption of the structure, after activated charcoal adsorption is fulfilled, activated charcoal is regenerated through microwave radiation; the waste gas treatment device has the advantages of short activated charcoal regeneration time, low energy consumption, simple equipment structure, high regeneration efficiency, high activated charcoal adsorption performance recovery rate and the like and avoids secondary pollution.
Description
Technical field
The utility model relates to a kind of purifying processing device in environmental technology field, especially relates to a kind of emission-control equipment that utilizes the microwave activity carbon regeneration method.
Background technology
the active carbon eliminating smell agent is the product that adsorbs more by force pernicious gas and peculiar smell that has of generally acknowledging in the world at present, it is also the material that a kind of indoor improvement of tool environmental protection is polluted, without any side effects and secondary pollution, it is a kind of carbonaceous material of porous, its flourishing gap structure makes it have very large surface area, so be easy to fully contact with airborne toxic and harmful, around the active carbon hole, the powerful absorption field of force can be immediately with in toxic gas molecule inlet hole, the adsorptivity of active carbon comes from its unique molecular configuration, there are a lot of holes the inside of active carbon, if sprawling to come, the internal void of every gram active carbon can reach 500～1700 square metres, the internal structure of this uniqueness just, make the active carbon eliminating smell agent have excellent adsorption capacity, the application of active carbon is very extensive, such as: the decolouring of sugar, military gas-mask, cigarette filter, air purifier, the waterworks water treatment, drink water purifying, detoxifcation, sober up, the improvement radioactive element pollutes, reduce remains of pesticide in soil, the conditioning soil function, administer indoor formaldehyde, fresh-keeping of vegetables etc., at present, absorbent charcoal material is because cost recovery is high, all be dropped after mostly using, thereby caused secondary pollution, now the method for regenerated carbon mainly contains: hot method of reproduction, wet air regeneration method, solvent regeneration process, electrochemical regeneration method, supercritical fluid method of reproduction, and these methods exist that the recovery time is long, power consumption is high, the equipment complex structure, regeneration efficiency is low and charcoal absorption performance recovery rate is not the shortcoming such as very high.
Summary of the invention
Technical problem to be solved in the utility model is to provide the emission-control equipment that utilizes the microwave activity carbon regeneration method that a kind of recovery time is short, consumption is low, simple in structure, regeneration efficiency is high and charcoal absorption performance recovery rate is high.
The technical scheme in the invention for solving the technical problem is: a kind of emission-control equipment that utilizes the microwave activity carbon regeneration method, comprise activated carbon adsorber, the charcoal absorption tower bottom is provided with air inlet, top is provided with gas outlet, described activated carbon adsorber is provided with the desorption by microwave device, be connected with air-valve and control valve on described air inlet, described activated carbon adsorber, desorption by microwave device and air-valve form clean unit.
Further, in order just not shutting down, can to regenerate to active carbon, be provided with at least two clean units between described control valve and gas outlet.
Further concrete, described microwave launch time is 30 minutes, and the quality of active carbon is 40g.
The beneficial effects of the utility model are: after having adopted said structure, after charcoal absorption is completed, use microwave with regenerating active carbon, the time of regenerating active carbon is short, the power consumption is low, simple in equipment, regeneration efficiency is high and charcoal absorption performance recovery rate advantages of higher, can not cause secondary pollution.
Description of drawings
Fig. 1 is structural representation block diagram of the present utility model.
In figure: 1, air inlet; 2, control valve; 3, air-valve; 4, activated carbon adsorber; 5, gas outlet; 6, desorption by microwave device.
The specific embodiment
A kind of emission-control equipment that utilizes the microwave activity carbon regeneration method as shown in Figure 1, comprise activated carbon adsorber 4, activated carbon adsorber 4 bottoms are provided with air inlet 1, top is provided with gas outlet 5, described activated carbon adsorber 4 is provided with desorption by microwave device 6, be connected with air-valve 3 and control valve 2 on described air inlet 1, described activated carbon adsorber 4, desorption by microwave device 6 and air-valve 3 form clean unit; Be provided with two clean units between described control valve 2 and gas outlet 5; Described microwave launch time is 30 minutes, and the quality of active carbon is 40g.
A kind of microwave activity carbon regeneration method, use microwave to carry out radiation to active carbon, and the described microwave power that uses is 500W～700W, and the ratio of radiated time S and quality of activated carbon g is 45: 1; Described microwave power is 600W; Be added with catalyst in described active carbon; Described catalyst is MoS
2Perhaps Al
2O
3
Microwave when processing waste gas, can also be collected the utility in waste gas effectively, realizes changing waste into resources.With MoS
2/ Al
2O
3For catalyst microwave irradiation treatment S O
2Gas, product are CO
2And S, realized the recycling to sulphur.They have also verified the existence of " focus " in the catalyst by the conversion of aluminium oxide crystal formation, have proved in microwave field, and some some position of catalyst surface has produced so-called " focus ", and near the temperature these " focuses " is higher, can reduce SO
2Gas.
Active carbon can absorb the microwave energy well, and microwave can make activated carbon surface generate very high " focus " of temperature, and these " focuses " can decompose most of organic matters.Adsorb organic exhaust gas with granular activated carbon, the active carbon microwave irradiation after absorption, regenerate.Testing result shows, all organic matters all are oxidized to CO
2And H
2O, the temperature of some some position of activated carbon surface is up to 1200～1800 ℃, and active carbon bed has electric arc to occur.Microwave can also be collected the carbon particulate in waste gas, and when carbon particulate accumulates to a certain degree, but automatic combustion has been avoided the trouble that artificially collects.
Below, take methylene blue as the contaminants active carbon filter core, utilize the method for microwave irradiation to regenerate and test the active carbon filter core that lost efficacy:
Measure respectively by experiment the iodine number of active carbon filter core new, that lost efficacy, calculate the performance indications such as the performance recovery rate, the proportion of goods damageds of active carbon, comprehensive recovery rate by iodine number, and the single factors of the above-mentioned performance indications of analyzing influence: irradiation power, time and activated carbon dosage.Design orthogonal test, find the optimal condition of protoplast isolation of micro wave regeneration active carbon filter core: microwave power 600W, exposure time 90s, irradiation active carbons quality 2g, the comprehensive recovery rate of the active carbon of process regeneration reaches 94.30%.
Experimental technique:
The preparation of methylene blue standard liquid, preparation 400mg/L methylene blue standard liquid 2L, be placed in the volumetric flask stand for standby use.
The preparation of methylene sample charcoal, take 8gI active carbon filter core charcoal and be dissolved in 1L methylene blue standard liquid, stirs standing 24h.Leach I filter core charcoal and be placed in beaker, drying is placed in drier standby in 60 ℃ of baking ovens.
Definition and the computational methods of Properties of Activated Carbon recovery rate, the regeneration proportion of goods damageds, comprehensive recovery rate:
The Properties of Activated Carbon recovery rate: active carbon is adsorption capacity and the ratio that uses front adsorption capacity after regeneration is processed, and is defined as performance recovery rate H=raw material active carbon iodine number (mg/L)/raw material active carbon iodine number (mg/L) * 100%.
The regeneration proportion of goods damageds: certain mass loss occurs in the regenerating active carbon process, and waste and former quality of activated carbon ratio are defined as regeneration proportion of goods damageds S=[raw material active carbon and hold quality (g) * regenerated carbon quality (g)]/raw material quality of activated carbon (g) * 100%.
Comprehensive recovery rate: the product of Properties of Activated Carbon recovery rate and regenerated carbon yield is called comprehensive recovery rate Z=H * (1-S).
The performance recovery rate, the regeneration proportion of goods damageds, the comprehensive recovery rate that go out according to the iodine number change calculations after I active carbon filter core micro wave regeneration are evaluation index, and examination microwave power, recovery time, 3 factors of activated carbon sample amount are on investigating the impact of index.The design orthogonal experiment.
Microwave power, exposure time are chosen the exposure time of 30s, 60s, 90s, 120s to the impact of regeneration effect to the I filter core charcoal of a certain amount of quality, each exposure time is carried out respectively micro wave regeneration experiment under the condition of merit 500W, 600W, 700W, as following table:
| Power W | Time S | Quality g |
| 700 | 120 | 1.0 |
| 600 | 90 | 1.5 |
| 500 | 60 | 2.0 |
While choosing certain microwave power, microwave irradiation time, the I filter core charcoal that conversion is different, carry out microwave irradiation regeneration, checks the impact of sample carbonaceous amount on micro wave regeneration.
The micro wave regeneration condition that utilization is chosen, carry out the micro wave regeneration demonstration test to I filter core charcoal.
The micro wave regeneration condition that utilization is chosen, the another kind of powders compression filter core to choosing, carry out the micro wave regeneration demonstration test.
Result the following table is the process many experiments:
, according to the more excellent condition that orthogonal experiment is chosen, repeatedly I filter core charcoal is carried out micro wave regeneration, pollution, regeneration; Examine or check the active carbon iodine number situation of change after micro wave regeneration several times; Iodine number after regeneration, all greater than or the iodine number measured near new active carbon filter core, performance recovery rate, comprehensive recovery rate are very high.
Consider performance recovery rate, the regeneration proportion of goods damageds, comprehensive recovery rate index situation, the best micro wave regeneration condition of sample charcoal is: microwave power 600W, microwave irradiation time 90s, regeneration sample carbonaceous amount consumption 2g.
Sample charcoal micro wave regeneration stability experiment proves, the sample charcoal after contaminated can through repeatedly repeatedly micro wave regeneration process, in the time limit of utilizing that can improve like this active carbon, reduce industrial cost; Solve the problem of the sample charcoal proportion of goods damageds, can consider to reduce the bulk density of sample charcoal, because bulk density is excessive, cause that the diffusion of sample charcoal amount of localized heat do not go out, cause burning, thereby increased the sample loss; The performance recovery rate surpasses 100% reason: owing to may containing some impurity etc. in the fresh sample charcoal, thereby the iodine number of the filter core charcoal of the iodine number that causes new filter core charcoal after lower than micro wave regeneration, the Properties of Activated Carbon recovery rate after regeneration surpasses 100% thus.
It is emphasized that: above is only preferred embodiment of the present utility model, not the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model, to any simple modification, equivalent variations and modification that above embodiment does, all still belongs in the scope of technical solutions of the utility model.
Claims (3)
1. emission-control equipment that utilizes the microwave activity carbon regeneration method, comprise activated carbon adsorber (4), activated carbon adsorber (4) bottom is provided with air inlet (1), top is provided with gas outlet (5), it is characterized in that: described activated carbon adsorber (4) is provided with desorption by microwave device (6), be connected with air-valve (3) and control valve (2) on described air inlet (1), described activated carbon adsorber (4), desorption by microwave device (6) and air-valve (3) form clean unit.
2. the emission-control equipment that utilizes the microwave activity carbon regeneration method according to claim 1, is characterized in that: be provided with two clean units between described control valve (2) and gas outlet (1) at least.
3. the emission-control equipment that utilizes the microwave activity carbon regeneration method according to claim 1 is characterized in that: described microwave launch time is 30 minutes, and the quality of active carbon is 40g.
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|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212391A (en) * | 2013-04-28 | 2013-07-24 | 苏州天皓环保科技有限公司 | Microwave activated carbon regeneration method and waste gas treatment device thereof |
| CN113797701A (en) * | 2021-09-28 | 2021-12-17 | 青岛诺诚化学品安全科技有限公司 | Activated carbon regeneration system and process method based on vacuum and microwave synergistic effect |
-
2013
- 2013-04-28 CN CN201320232234XU patent/CN203281193U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212391A (en) * | 2013-04-28 | 2013-07-24 | 苏州天皓环保科技有限公司 | Microwave activated carbon regeneration method and waste gas treatment device thereof |
| CN113797701A (en) * | 2021-09-28 | 2021-12-17 | 青岛诺诚化学品安全科技有限公司 | Activated carbon regeneration system and process method based on vacuum and microwave synergistic effect |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Nandu Subao Plaza No. 86 South Lake Road Wuzhong Economic Development Zone of Suzhou City, Jiangsu province 215000 room 1201 Patentee after: JIANGSU TIANHAO ENVIRONMENTAL PROTECTION GROUP Co.,Ltd. Address before: Nandu Subao Plaza No. 86 South Lake Road Wuzhong Economic Development Zone of Suzhou City, Jiangsu province 215000 room 1201 Patentee before: Jiangsu Tian Hao Environmental Protection Technology Co.,Ltd. |
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| CP03 | Change of name, title or address |
Address after: Nandu Subao Plaza No. 86 South Lake Road Wuzhong Economic Development Zone of Suzhou City, Jiangsu province 215000 room 1201 Patentee after: Jiangsu Tian Hao Environmental Protection Technology Co.,Ltd. Address before: 215124, No. 98, No. 3, Yin Yin Road, Guo Xiang street, Suzhou, Jiangsu, Wuzhong District Patentee before: Suzhou Tianhao Environmental Protection Technology Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20170428 |