TW200822963A - System of active carbon based heat re-generation and recycling - Google Patents

System of active carbon based heat re-generation and recycling Download PDF

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TW200822963A
TW200822963A TW95143247A TW95143247A TW200822963A TW 200822963 A TW200822963 A TW 200822963A TW 95143247 A TW95143247 A TW 95143247A TW 95143247 A TW95143247 A TW 95143247A TW 200822963 A TW200822963 A TW 200822963A
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desorption
heat
fluidized
voc
bed
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TW95143247A
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Chinese (zh)
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TWI344859B (en
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ming-sheng Cai
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ming-sheng Cai
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Abstract

This invention provides a brand new system of active carbon based heat re-generation and recycling, which eliminates secondary contamination resulted from used solvent produced in the conventional process of active carbon fluidized absorption in cooperation with condensation and the large consumption of electrical power without generation of other contaminants and also eliminate the large consumption of fuel required for driving conventional zeolite rotary wheels and secondary contamination derived from nitrogen oxides, as well as safety hazards resulted from zeolite rotary wheels having a high-boiling temperature volatile organic compounds (VOC) coating, without deriving other contaminants. This invention is characterized in fluidized-absorption of volatile organic compounds (VOC) waste gas by means of bead-like active carbon. A heat exchanger and a positive pressure windmill are employed to feed hot gas into a fluidized desorption bed to perform desorption. High concentration VOC after being subjected to desorption is then introduced into a VOC oxidizing heater by means of a drawing windmill to cause pyrolysis of the VOC and the VOC to release heat. The heat is then recycled and supplied to the device. In this invention, the active carbon used by the system for absorption and desorption is completely decomposed; a nitrogen fire safety hazard mechanism is provided; and the combustibility of VOC waste gas is able to produce heat source. Thus, there is no need to use fuel gas or heavy oil that may cause secondary contamination, thereby reducing operation cost. This invention has a high processing efficiency meeting environmental emission regulations, so as to significantly enhance industrial competitiveness.

Description

200822963 九、發明說明: 【發明所屬之技術領域】 本發明係關於含揮發性有機物(V〇latile 〇rganic C〇mp〇ncJs,V0(;s)廢 氣之吸附處理技術,更詳而言之,乃指—種能達成全程監測廢氣,並精確 •計算與管制污染排放總量之活性碳再生回收熱系統。 【先前技術】 按,揮發性有機氣體(V〇iatne 〇rganic c〇mp〇nds,v〇Cs)最大使用類 別為有機溶劑,且廣泛的用於各種行業,如塗裳業、油漆業、化工業及半 導體封裝業之溶劑回收及半導體晶圓製造業、光電業之稀釋及清洗。· •目前_常狀有機溶_要麵包括:⑴_—f醇、制醇、丁 醇及異丁醇等。⑵酮類—丙_、丁酮、環己晒等。⑶醋類一醋酸乙醋、醋 酸I醋。(4)含氣溶劑-三氯甲烧、四氣化碳、二氯甲烧等。⑸其它—苯、 甲苯、二甲苯等。此外尚有—些製程溶劑。又觀於環境、安全及衛生方 •之主要特!·生有⑴毋害性。⑵衍生性空氣污染。⑶臭氧層破壞。⑷爆 炸安全性,因此對於V0C必須有適當之處理技術及受法條所管制。 關於V0C控制技術分為目收性與破壞性兩種,前者常用活性碳吸附, 再脫附冷凝回收,惟存在有廢溶劑衍生問題及活性碳廢棄物問題,且處理’ j率不佳;後者相直接焚化及觸媒焚化技術,卻須使用大量燃料致 且燃燒後卿發之污細繼理:故以目前所慣用 處理技術而言,均有絲盡理想之處。 有鑑於此’為徹底改善習用對於v〇c廢氣控制技術所存在之缺失 她人乃秉持服務大眾之決心,憑恃其從事該行麵累積之專掌辛 •終於細實狀「活性碳再切嶋、統」產生。 本發明之目的在於提供一·新之活性碳再生回收熱系統,該系統主 200822963 要為-種將紐性有機物v〇c廢氣利用珠粒狀活性碳予以流體化吸附,並、 採用熱又換為、正壓風車產生熱氣送入流體化脫附床進行脫附,再將脫附 後之高濃度V0C利用回抽風車進入v〇c氧化加熱器,促該因高溫裂解 而釋放赌’驗聽量败後提供前魏置讀術:赠統之特點 ‘在於吸__完全分離,且具錢氣滅火安全_,細祕成本低(利 用生$排放的V0C廢氣可燃燒特性,以產生熱源供⑽統使用而不須使用 瓦4或者重/由k成人污染)、處理效率⑴收排放熱量達環保排放標準之 最佳化)高,更大幅提高產業競爭優勢。 兹進-步配合圖式,以說明本發明之較佳實施例,俾令貴气委員能 對本發明有更深入且具體的瞭解。 ’ 【實施方式】 、 睛參閱第-圖所示,係本發明一較佳實施例之活性碳再生回收熱系統 圖,其組成至少包括有: -趟化_床(1 ),主彻活性碳比表面積大之雛(⑽—1〇〇〇 .m2/g) ’產生大面積流動增加吸附效果達到排放乾淨之空氣之法規標準;依 圖中所示,V0C廢氣由流體化吸附床(工)底部一側送入後,經上方一連串 冲孔板(1 〇 )内均勻分佈有珠粒狀活性碳之吸附作用,將v〇c污染物予 以吸附去除,並使淨化後之V0C空氣由該流體化吸附床(1 )上方排出, 當活性碳吸附大量V0C污染物後,將因比重增加掉落而由流體化吸附床(1 ) 底部一側排出;又該流體化吸附床(1 )配設有一第一活性碳輸送泵(1, 1 )’係利用空氣壓縮方式單獨供應活性碳由流體化吸附床(1)一側上方 送入,一旦發生異常時,該第一活性碳輸送泵(1 1 )會停止輸送。 一流體化脫附床(2 ),依圖中所示,吸附V0C污染物之活性碳由流體 化脫附床(2 )上方一側送入,且將加熱後約24〇°C熱風量由一側輸入,於, 流體化脫附床(2 )内同樣設有連串之多個沖孔板(2 〇 ),且外部亦配設 200822963 有獨立輸送之ϋ性雜縣(2〗),_空錢縮使活性韻 到輸送目的,·該流體化脫附床⑵利用如前述相同於流體化吸附床⑴ 之原理方式’使吸附於活性碳之voc污染物得以脫附,麵出之娜污染 物由上方輸出送至一回收熱處理襄置(3 ),至於再生之乾淨活性碳則奸 方輸出後再送回流體化吸附床(!)内繼續使用。 一 熱處理裝置⑶’用以持續供應自前述流體化脫附床(2 )脫 附輸出之南濃度voc當燃料,經由加熱裂解v〇c產生高溫,並利用v〇c本 身特性(1 kg可產生平均⑼⑻!^熱量),以回收此熱量之回收熱處理過 程;其組成如圖面所示進一步包括有: 正壓風車(3 0 ),當外部空氣(常溫約2『c)經熱交換器(3 3 ) 之回收熱賴後進人正錢車(3 Q ),並藉由正壓風車(3 〇 )之正壓力 將脫附空氣送入脫附塔加熱器(3工)内; -脫附塔加熱器(3 1 ),係電熱加熱方式控制脫_氣之脫附溫 度(脫附溫度24(TC,氧化溫度^。(:以上),且僅需要少許電量便可達成、 將脫附线立即加熱至所需之脫附溫度,再送人流體化脫附床(2 )内; 例如當1CMM空氣流量溫度從2(TC加熱至22(rc時須要35KW/HR電量,因回 收熱量等於回收能源,所以經熱交換器(3 3)回收熱是相當省能源的作 法·,又當500CMM空氣流量voc為異丙醇IPA 3〇〇_濃度燃燒時,可產生, • 22KW/HRi置’因此利用此回收再生能源之特性將使其操作過程更加省能 源; -回抽風車(3 2 ),將流體化脫附床(2 )之v〇C出口回抽,經熱交 換器(3 4)作用,再-次回收熱使voc氧化加熱器(33)更只需要些 微電量輸出,以具省能效果。 ·— , ^ 一 V0C氧化加熱器(3 3 ),利用電熱或燃料加熱方式,加熱至8〇(rc 使所有voc可完成裂解(因目前所有voc鍵結能量只要有8〇(rc以上就可完 200822963 全分解產生二氧化碳及水,且分解後之二氧化碳及糊無公害問題而可排 放至錢中);其主要使用由流體化脫附床⑵進行流體脫附後達到均溫 產生高声度V0C當燃料,當送入該v〇c氧化加熱器(3 3)内加溫至卿 °c高溫已以滿足該就裂解條件,足以產生相當熱量(ikg之慨產生平 均大約6000kcal熱量),並輸出至熱交換器(3 4 )回收此熱量; 旦一熱交換器(3 4 ),當V0C氧化加熱器(3 3 )所完全裂解產生之熱 量,經由熱錢ϋ ( 3 4 )贼大部分難後,能_更奴 效;該熱繼⑴)依圖面所示為上、下聯通的,虛線為力’ • 4 1 )其上下#都是利用v〇c氧化加熱器(3 3 )排出溫度麵。c以上 *之熱氣’ _如殼管式之熱交換器(3 4 ),其内管為麵。c高溫、外管為 外部空氣預_收熱’將減少主加熱器電量輸出,甚至完全回收熱轉 為再生能源’而達無電量輸出之完全魏功效;又熱交換^ ( 3 3 )上半 部亦是-個此作法將趙化麟床⑵輸出之贿溫度約2腕的脫附空 氣做二次.回收熱加至5〇(rc以上,再次減少氧化加熱器(3 3 )之電量輸出。 依據上述組成之本_「潍碳再生时_統」,#其在實際地實施 上’大體上可分為三個過程進行,即趙化_、流體化脫附及回收熱處 理。其中:流體化吸附之部分與制並無差異,特別是: , 流體化脫附及时滅理_分為技術舰之所在。換言之,即是流 •體化脫附床⑵於活性碳脫附過财包括:對外部空氣輸入經熱交換器 (3 4 )做賴侧,而減低之後脫附塔加熱器(3 i )對其加熱至脫附 溫度之能源消耗;供應V〇C氧化加熱器(3 3 )之主加熱器欲將·加熱 至800 C之部分能源,以減低其電量輸出;以及熱交換器(3 3 )上半部將 流體化脫附床(2 )輸出之脫附溫度約2靴的脫附空氣,做二次回收熱之 加溫過程到5GGC以上過程,以減少氧化加熱器(3 3 )之電量輸出。 上述包括流體化脫附床(2 )、脫附塔熱器(3工)、v〇c氧化加熱器(3 200822963 3 )、熱交換器(3 4 )等裝置所需之能源或熱量,部分或全部可由回收熱、 處理裝置(3)之回收熱直接提供,如此,俾達省能又合乎經濟之實質效 益。 此外’在高溫脫附時如有異常溫度大於45〇度時,如大量v〇c進入流 •體化脫附床内產生高溫,此時利用為惰性氣体之氮氣(3 5)來減少空氣 含氧量 /而達到低氧滅火之功效。 由於本發明活性碳再生回收熱系統,克服了傳統活性碳流動式吸附配 合冷凝回收所產生廢溶劑二次污染,及冷凝所須消耗大量的電量更加不會 •何生其他污染物。並且克服了傳統沸石轉輪所須大量的燃料及衍生氮氧化 物一夂污染,及沸石轉輪有塗佈(⑺以丨呢)高沸點的奶[產生燃燒之安全 門題更加不會彳彳生其他污染物,因為本發明纟統巾吸附及細彳所使用之活 1*生反係凡王刀離並且有氮氣滅火安全機制,且利用生產排放的廢氣耽可 燃燒特=產生熱源,而不須使用瓦斯或者重油造成二次污染之操作成本降 低’及祕排放鮮之處理效率相#高,足可大幅提高產業競爭優勢。 用者綜明確可達到預期之目的與功效,且未見諸任何公開使_ .心專利貫用性、新額性之要件,妥依法向鈞局提出專利申请。 上所述乃是本發明之較佳實施例,如依本發明之構_ 一切應屬本發明之範圍内,合予陳明。 寻 【圖式簡單說明】 第一圖係本發明一整體裝置示意圖。 、 【主要元件符號說明】 流體化吸附床(^· 中孔板(1 〇 ) 第一活性碳輸送泵(1工) 流體化脫附床(2) , 200822963 沖孔板(2 0) 回收熱處理裝置(3 ) 第二活性碳輸送泵(21) 正壓風車(3 0) 脫附塔加熱器(31) 回抽風車(3 2 ) V0C氧化加熱器(3 3 ) 熱交換器(3 4) 氮氣(3 5) 區隔板(3 41) 10200822963 IX. Description of the Invention: [Technical Field] The present invention relates to an adsorption treatment technology for volatile organic compounds (V〇latile 〇rganic C〇mp〇ncJs, V0(;s) waste gas, more specifically, It refers to an activated carbon regeneration heat recovery system that can monitor the exhaust gas and accurately calculate and control the total amount of pollution emissions. [Prior Art] Press, Volatile Organic Gas (V〇iatne 〇rganic c〇mp〇nds, v〇Cs) The largest use category is organic solvents, and is widely used in various industries, such as solvent recycling and semiconductor wafer manufacturing in the coating industry, paint industry, chemical industry and semiconductor packaging industry, and dilution and cleaning of photovoltaic industry. · At present, the _ normal organic solvent _ surface includes: (1) _ - f alcohol, alcohol, butanol and isobutanol, etc. (2) ketone - propyl, butanone, cyclohexidine, etc. (3) vinegar-acetic acid B Vinegar, acetic acid I vinegar. (4) Gas-containing solvent - trichloromethane, four gasified carbon, methylene chloride, etc. (5) Other - benzene, toluene, xylene, etc. In addition, there are some process solvents. In the environment, safety and hygiene, the main features of the company! (1) (2) Derivative air pollution. (3) Ozone layer destruction. (4) Explosion safety. Therefore, V0C must have appropriate treatment technology and be controlled by the law. About V0C control technology is divided into two types: objective and destructive. Commonly used activated carbon adsorption, desorption and condensation recovery, but there are problems of waste solvent derivation and activated carbon waste, and the treatment rate is not good; the latter direct incineration and catalytic incineration technology, but must use a large amount of fuel After the burning, the hair is followed by the fineness of the hair: so in terms of the current processing technology, there is a silky ideal. In view of this, in order to thoroughly improve the use of v〇c waste gas control technology, she is Adhering to the determination of serving the public, the purpose of the company is to create a new activated carbon regeneration and recovery heat system. The main system of the system 200822963 is to fluidize and adsorb the beaded activated carbon for the organic matter v〇c waste gas, and use heat to convert it into a positive pressure windmill to generate hot gas. The desorption bed is desorbed, and the high concentration V0C after desorption is used to return to the v〇c oxidation heater by the windmill, which promotes the release of the gambling due to the pyrolysis. : The characteristics of the gift system is that the suction __ is completely separated, and the fire safety is _, the secret cost is low (using the V0C exhaust gas flammable characteristics of the raw $ emissions to generate heat source for use (10) without using the tile 4 Or heavy/contaminated by k adults), processing efficiency (1) the emission of heat is up to the optimal environmental emission standards), and greatly enhance the industrial competitive advantage. The drawings and the drawings are intended to illustrate the preferred embodiments of the present invention, and the members of the present invention may have a more in-depth and specific understanding of the invention. [Embodiment] The present invention is a diagram of an activated carbon regeneration heat recovery system according to a preferred embodiment of the present invention, the composition of which includes at least: - 趟化_床(1), the main activated carbon Large specific surface area chicks ((10)-1〇〇〇.m2/g) 'generalized flow increases the adsorption effect to achieve clean air standards; as shown in the figure, V0C exhaust gas from fluidized adsorption bed (work) After the bottom side is fed, the adsorption of the beaded activated carbon is evenly distributed in a series of perforated plates (1 〇), and the v〇c pollutants are adsorbed and removed, and the purified V0C air is fluidized by the fluid. Discharged above the adsorption bed (1), when the activated carbon adsorbs a large amount of V0C contaminants, it will be discharged from the bottom side of the fluidized adsorption bed (1) due to the increase in specific gravity drop; and the fluidized adsorption bed (1) is provided with a The first activated carbon transfer pump (1, 1 )' is separately supplied with activated carbon from the upper side of the fluidized adsorption bed (1) by means of air compression, and the first activated carbon transfer pump (1 1 ) will stop delivery. a fluidized desorption bed (2), as shown in the figure, the activated carbon adsorbing V0C contaminants is fed from the upper side of the fluidized desorption bed (2), and the amount of hot air is about 24 ° C after heating One side input, in the fluidized desorption bed (2), there are also a series of multiple punching plates (2 〇), and the outside is also equipped with 200822963 independent transporting county (2), _Air money reduces the activity to the purpose of transportation. · The fluidized desorption bed (2) utilizes the principle of the fluidized adsorption bed (1) as described above to desorb the vocal pollutants adsorbed on the activated carbon. The pollutants are sent from the upper output to a recovery heat treatment unit (3), and the regenerated clean activated carbon is sent back to the fluidized adsorption bed (!) for continued use. A heat treatment device (3) is used to continuously supply the south concentration vocal of the desorption output of the fluidized desorption bed (2) as a fuel, to generate high temperature by heat cracking v〇c, and to utilize the characteristics of v〇c itself (1 kg can be produced Average (9) (8)! ^ heat) to recover this heat recovery heat treatment process; its composition as shown in the figure further includes: positive pressure windmill (30), when the outside air (normal temperature about 2 "c) through the heat exchanger ( 3 3) After the recovery heat, enter the positive money car (3 Q), and send the desorbed air into the desorption tower heater (3 workers) by the positive pressure of the positive pressure windmill (3 ;); Tower heater (3 1 ) is an electric heating method to control the desorption temperature of degassing (desorption temperature 24 (TC, oxidation temperature ^. (: above), and only a small amount of electricity is needed to achieve the desorption line Immediately heat to the desired desorption temperature, and then sent to the fluidized desorption bed (2); for example, when the 1CMM air flow temperature is from 2 (TC heating to 22 (rc requires 35KW / HR), because the recovery of heat is equal to the recovery of energy Therefore, the heat recovery by heat exchanger (3 3) is quite energy-efficient, and it is 500CMM. The gas flow voc is isopropyl alcohol IPA 3 〇〇 _ concentration combustion, can be generated, • 22KW / HRi set 'so the use of this recycling energy characteristics will make its operation process more energy efficient; - return windmill (3 2) , the v〇C outlet of the fluidized desorption bed (2) is pumped back, and is operated by the heat exchanger (34), and the heat is recovered again, so that the vocoxidation heater (33) needs only a small amount of electricity output. Energy-saving effect. ·— , ^ A V0C oxidation heater (3 3 ), heated to 8 利用 by electrothermal or fuel heating (rc enables all vocs to complete the cleavage (since all vocal bonding energy is currently 8 〇 ( Above rc, 200822963 can be completely decomposed to produce carbon dioxide and water, and the decomposed carbon dioxide and paste can be discharged into the money without pollution problems; the main use of fluidized desorption bed (2) for fluid desorption to reach uniform temperature High-intensity V0C as fuel, when heated into the v〇c oxidation heater (3 3), is heated to a high temperature to meet the cracking conditions, which is sufficient to generate considerable heat (ikg produces an average of about 6000kcal heat). And output to heat exchanger (3 4) for recycling This heat; a heat exchanger (3 4), when the V0C oxidation heater (3 3) is completely cracked by the heat generated by the hot money 3 ( 3 4 ) thief most difficult, can be more slave; the heat Following (1)) as shown in the figure, the upper and lower are connected, the dotted line is the force ' • 4 1 ), and the upper and lower # are all exhausted by the v〇c oxidation heater (3 3 ). The hot air above the c* For example, the shell-and-tube heat exchanger (3 4 ) has an inner tube as a face. c high temperature, the outer tube is external air pre-heating will reduce the main heater power output, and even completely recover heat into renewable energy' The complete Wei effect of the no-power output; and the heat exchange ^ (3 3) The upper part is also - this method will be Zhao Zhilin bed (2) output bribe temperature about 2 wrist desorption air to do twice. Recycling heat added to 5 〇 (rc above, again reduce the power output of the oxidation heater (3 3 ). According to the above composition _ "潍 再生 再生 再生 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Among them: there is no difference between the part of the fluidized adsorption and the system, especially:: Fluidization desorption and timely annihilation _ is divided into the technical ship. In other words, the fluidized desorption bed (2) deactivates the activated carbon, including: the external air input is passed through the heat exchanger (3 4 ), and the desorption tower heater (3 i ) is The energy consumption is heated to the desorption temperature; the main heater supplying the V〇C oxidation heater (3 3) is to be heated to a portion of the energy of 800 C to reduce its electricity output; and the heat exchanger (3 3 ) The upper part of the fluidized desorption bed (2) outputs the desorption temperature of about 2 boots, and the secondary heat recovery process is performed to 5GGC or more to reduce the amount of oxidation heater (3 3 ). Output. The above-mentioned energy or heat required for the device including the fluidized desorption bed (2), the desorption column heater (3 work), the v〇c oxidation heater (3 200822963 3 ), the heat exchanger (3 4 ), etc. Or all of them can be directly provided by the heat of recovery of the heat recovery unit and the treatment unit (3). Thus, the energy efficiency of the company is in line with the economic benefits. In addition, if there is an abnormal temperature greater than 45 Torr during high temperature desorption, such as a large amount of v〇c entering the stream and generating a high temperature in the desorption bed, the nitrogen gas (3 5) which is an inert gas is used to reduce the air content. Oxygen amount / to achieve the effect of low-oxygen fire extinguishing. Due to the activated carbon regeneration and recovery heat system of the present invention, the secondary pollution of the waste solvent generated by the conventional activated carbon flow adsorption adsorption condensation recovery is overcome, and the condensing consumes a large amount of electricity and is even less likely to cause other pollutants. And it overcomes the large amount of fuel and derivative nitrogen oxides that are required for the traditional zeolite runner, and the zeolite runner has a coating ((7) to 丨 ) high boiling milk [the safety of the burning door will not be alive. Other contaminants, because the adsorption and fineness of the 纟 巾 本 本 * * * 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡 凡The use of gas or heavy oil to reduce the operating cost of secondary pollution, and the high efficiency of the treatment of fresh emissions, can greatly enhance the industrial competitive advantage. The user comprehensively can achieve the intended purpose and efficacy, and has not seen any public disclosure of the patentability and newness of the elements, and file a patent application to the bureau in accordance with the law. The above is a preferred embodiment of the present invention, and it is intended to be within the scope of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS The first figure is a schematic diagram of an overall device of the present invention. [Explanation of main component symbols] Fluidized adsorption bed (^· Mesoporous plate (1 〇) First activated carbon transfer pump (1 work) Fluidized desorption bed (2), 200822963 Punching plate (2 0) Recovery heat treatment Device (3) Second activated carbon transfer pump (21) Positive pressure windmill (3 0) Desorption tower heater (31) Return windmill (3 2 ) V0C oxidation heater (3 3 ) Heat exchanger (3 4) Nitrogen (3 5) zone partition (3 41) 10

Claims (1)

200822963 十、申請專利範圍: 1、 一種活性碳再生回收熱系統,包括·· .一流體化吸附床,將V0C廢氣由流體化吸附床底部一側送入,經 •上方一連串沖孔板内均勻分佈有珠粒狀活性碳之吸附作用,將v〇c污染物 予以吸附去除,並使淨化後之V0C空氣由該流體化吸附床上方排出,當活 性奴吸附大I V0C污染物後,將因比重增加掉落而由流體化吸附床底部一 側排出; 一流體化脫附床,吸附V0C污染物之活性碳由流體化脫附床上方 一側送入,且將加熱後之熱風量由一側輸入,其内設有連串之多個沖孔板, 使吸附於活性碳之V0C污染物得以脫附,脫附出之voc污染物由上方輸出 送至一回收熱處理裝置,至於再生之乾淨活性碳則由下方輸出後再送回流 體化吸附床内繼續使用; 一回收熱處理裝置,用以持續供應自前述流體化脫附床脫附輸出 之咼濃度V0C當燃料,經由加熱裂解V0C產生高溫,並利用voc燃燒特性 * 生熱,以回收此熱量。 2、 如申請專利範圍帛1項所述活性碳再生回收熱系統,其中流體化 吸附床配設有一獨立之第一活性碳輸送泵。 、 3、 如申請專利範圍第1項所述活性碳再生回收熱系統,其中-流體化 .脫附床配設有一獨之之第二活性碳輸送泵。 4、 如帽專繼圍第1項所述活性碳再生回收齡統,其中回收熱 處理裴置進一步包括有一正壓風車、一脫附塔加熱器、一回抽風車、一 v〇c 氧化加熱器及一熱交換器。 • 5、如申請專利範圍第4項所述回收熱處理裝置,其中正壓風車係將 外部空氣經熱交換器之回收熱預熱後送入脫附塔加熱器内。 6、如申請專利範圍第4項所述回收熱處理裝置,其中脫附塔加熱器 200822963 係利用電熱加熱方式控制脫附空氣之脫附溫度,並將脫附空氣加熱至所需· 脫附溫度,再送入流體化脫附床内。 而 7、如申請專利範圍第4項所述回收熱處ίΙ裝置,其中回抽風 • VOC由流體化脫附床出口處回抽,並經熱交換器做預熱作用。 心 一 8、如申請專利範圍第4項所述回收熱處理裝置 · 係利用電熱或燃料加熱方式,加熱至使v〇c可完成裂解 I '9、如中請專利範圍第4項所述回收熱處理裝置> 抑 將由VOC氧化力口熱器完全裂解產生之熱量回收 、中熱父換器用以 10、如申請專利範圍第9項所述:收’ 一殼官式之熱交換器,内管為V0C裂解狳古、w x置,其中熱父換器為 收熱。 之1^皿、外督為外部空氣預熱回 12200822963 X. Patent application scope: 1. An activated carbon regeneration heat recovery system, including a fluidized adsorption bed, which feeds V0C exhaust gas from the bottom side of the fluidized adsorption bed, and evenly passes through a series of perforated plates. The adsorption of beads of activated carbon is distributed, the v〇c pollutants are adsorbed and removed, and the purified V0C air is discharged from the fluidized adsorption bed. When the active slaves adsorb the large I V0C pollutants, the specific gravity will be The falling is increased and discharged from the bottom side of the fluidized adsorption bed; a fluidized desorption bed, the activated carbon adsorbing the V0C contaminant is fed from the side of the fluidized desorption bed, and the heated air volume is heated by one side The input has a plurality of series of punching plates, so that the V0C pollutants adsorbed on the activated carbon are desorbed, and the vocal pollutants which are desorbed are sent from the upper output to a recovery heat treatment device, and the clean activity of the regeneration is performed. The carbon is output from the bottom and then sent back to the fluidized adsorption bed for further use; a recovery heat treatment device for continuously supplying the enthalpy concentration V0C from the fluidized desorption bed desorption output as fuel, High temperature cracking by a heating V0C, combustion characteristics * voc using heat, to recover this heat. 2. The activated carbon regeneration heat recovery system according to claim 1, wherein the fluidized adsorption bed is provided with a separate first activated carbon transfer pump. 3. The activated carbon regeneration heat recovery system as described in claim 1 of the patent scope, wherein the fluidization desorption bed is provided with a second activated carbon transfer pump. 4. The cap is recycled according to the first item, and the recovery heat treatment device further comprises a positive pressure windmill, a desorption tower heater, a return windmill, and a v〇c oxidation heater. And a heat exchanger. • 5. The recovery heat treatment apparatus according to item 4 of the patent application scope, wherein the positive pressure windmill sends the external air to the desorption tower heater after being preheated by the heat recovery of the heat exchanger. 6. The recovery heat treatment apparatus according to claim 4, wherein the desorption tower heater 200822963 controls the desorption temperature of the desorbed air by electrothermal heating, and heats the desorbed air to a desired desorption temperature. It is then sent to the fluidized desorption bed. 7. The heat recovery device according to item 4 of the patent application scope, wherein the back air is exhausted. • The VOC is pumped back from the outlet of the fluidized desorption bed and preheated by the heat exchanger. Xinyi 8. The heat treatment device for recycling according to item 4 of the patent application is heated by electric heating or fuel heating so that v〇c can complete the cracking I '9, as described in the fourth paragraph of the patent scope. Device> The heat recovery generated by the complete cracking of the VOC oxidizing electric mouth heater is used for the heat relay device. 10, as described in claim 9 of the patent scope: the heat exchanger of the one-shell official type, the inner tube is V0C cracks the ancient, wx set, in which the hot parent converter is heat. 1^, the outside supervisor preheats back to the outside air 12
TW95143247A 2006-11-22 2006-11-22 System of active carbon based heat re-generation and recycling TW200822963A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114853199A (en) * 2021-02-03 2022-08-05 中国石油化工股份有限公司 System and method for treating wastewater containing benzopyrene

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114853199A (en) * 2021-02-03 2022-08-05 中国石油化工股份有限公司 System and method for treating wastewater containing benzopyrene
CN114853199B (en) * 2021-02-03 2023-10-13 中国石油化工股份有限公司 Treatment system and method for benzopyrene-containing wastewater

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