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TWM373455U - Energy economizer for incineration processing system of volatile organic material containing nitrogen or/and sulfur - Google Patents

Energy economizer for incineration processing system of volatile organic material containing nitrogen or/and sulfur Download PDF

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TWM373455U
TWM373455U TW98212544U TW98212544U TWM373455U TW M373455 U TWM373455 U TW M373455U TW 98212544 U TW98212544 U TW 98212544U TW 98212544 U TW98212544 U TW 98212544U TW M373455 U TWM373455 U TW M373455U
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Taiwan
Prior art keywords
incinerator
volatile organic
nitrogen
sulfur
energy
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TW98212544U
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Chinese (zh)
Inventor
feng-tang Zhang
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Jg Environmental Tech Co Ltd
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Priority to TW98212544U priority Critical patent/TWM373455U/en
Publication of TWM373455U publication Critical patent/TWM373455U/en

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M373455 五、新型說明: 【新型所屬之技術領域】 本創作係有關一種含氮或/及含硫之揮發性有機物焚 化處理系統之節能裝置,尤指一種增設一熱交換器將經再 淨化單元淨化後之淨化氣流,再次進行熱回收後才對大氣 排放之設計者。 【先前技術】 按,生活和生産中廣泛應用的有機溶劑,在室溫下易 揮發成氣體,故又名揮發性有機物(Volatile Organic Compounds,VOCs),而多數的VOCs對人體有一定毒性,必 須加以處理;另,由空氣品質監測資料顯示,VOCs及NOx 等臭氣前驅物質與光反應所產生的臭氧,有取代懸浮微粒 成為影響空氣污染指數(PSI)的主要污染物的現象,故加強 管制VOCs排放乃為目前空氣污染防治重點之一;然而,使 用焚化爐焚化為VOCs廢氣處理方式之一種,在適當條件下 之VOCs去除率可達99%以上,燃燒後之產物通常為水、二 氧化碳、氮氧化物、硫氧化物…等,故為一種可有效處理 廢氣中所含之VOCs及臭氣之方法。 次按,若使用焚化爐焚化含氮或/及含硫之揮發性有機 物(諸如下表所列),則必須如第一圖所示,而於焚化爐(10) 之下游端加設用以脫硝或/及脫硫之再淨化單元(20),將焚 化燃燒後之衍生汙染物(氮氧化物(NOx)或/及硫氧化物 (SOx)),予以再淨化後才對大氣排放;但由於用以脫硝或/ 及脫硫之再淨化單元(20),其工作溫度有最低溫度之限 -3- M373455 制’一般必須在20(TC以上(較佳為300。(:〜400°C之間), 才能得到較佳之淨化效率,尤其若衍生汙染物為硫氧化物 (SOx) ’則另有酸腐蝕露點之問題必須注意;而此衍生汙染 物之再淨化技術為公知公用之技術,在此不再贅述;然而, 流經該再淨化單元(2〇)之氣流,通常將焚化爐(1〇)之出口 氣流溫度控制在該再淨化單元(20)所需之工作溫度(如前 述之200°C)以上,俾以達到再淨化之功效;故經由該再淨 化單元(20)所排放之淨化氣流溫度仍甚高(可能在200°C〜 400°C之間),足堪再加以熱回收利用。 再者,為了預防焚化爐入口側高沸點揮發性有機物残 留,而產生停機悶燃問題或結焦(Tar)現象,一般焚化爐(特 別是蓄熱式焚化爐)均需定期針對焚化爐藉由提升氣流溫 度以進行高溫熱烘模式(Bake out process) ’將殘留之高 沸點揮發性有機物加以熱烘脫附。 含氮或/及硫 之有機化合物 學名 燃燒氧化反應式 燃燒後衍 生污染物 燃燒後尾氣 再淨化單元 DMF 二甲基甲酿胺 (HC0N(CH3)2) 2(HCON(CH3)2)+1〇〇2— 7H20+6C02+2N0x 氮氧化物 (NOx) 脫硝設備 MEA 單乙醇氨 (C2H7NO) 2(C2H7NO)+8〇2^ 7H20+4C02+2N0x 氮氧化物 (NOx) 脫硝設備 DMS0 二甲基亞颯 (ch3)2so (CH3)2SO+4〇2— 3H20+2C02+S0x 硫氧化物 (SOx) 脫硫設備 DMDS 二甲基二疏 (CH3)2S2 (CH3 ) 2S2+402-> 3H20+2C02+2S0x 硫氧化物 (SOx) 脫硫設備 DMS 二甲基硫 (CH3)2S (CH3 )2S+4〇2— 3H20+2C02+S0x 硫氧化物 (SOx) 脫硫設備 NMP 氮-甲基四氫0比 洛酮(C5H9NO) 2(C5H9NO)+15〇2— 9H2O+10CO2+2NOx 氮氧化物 (NOx) 脫硝設備 _____ M373455 【新型内容】 本創作之主要目的’係欲提供一種含氮或/及含硫之揮 發性有機物焚化處理系統之節能襞置,而具有增設一熱交 換器俾以節能之功效。 本創作之另一目的,則具有增進再淨化效能且熱烘脫 附淨化之功效。 、 為達上述功效’本創作之結構特徵,係包括有: 一焚化爐,連接有引氣管與排氣管; ® 一再淨化單元,設置於該焚化爐之排氣管下游,將經 由該焚化爐焚化燃燒後之衍生汙染物進行再淨化處理,並 由排放管把淨化氣流排放至大氣;以及 ' 一熱交換器,令該引氣管由該排放管回收熱能者。 - 此外,該焚化爐為恢復式焚化爐、蓄熱式焚化爐或迴 轉式蓄熱焚化爐。該焚化爐將一風機設置於該引氣管或排 氣管。該熱交換器為管殼式或板式熱交換器。該再淨化單 元為脫硝或/及脫硫設備之一或組合。該引氣管或該排放管 • 擇一設置避開該熱交換器之旁通管,且設置第一溫度計與 第二溫度計於該焚化爐之入口與出口,並藉所偵測之溫度 ' 訊號經由一控制器調整該旁通管控制閥之開度。 【實施方式】 首先’請參閱第二圖所示,本創作係包括有: 一焚化爐(10),連接有引氣管(12)與排氣管(13),並 將一風機(11)設置於該引氣管(12)或排氣管(13),用以將 揮發性有機物引入並進行焚化處理;而該焚化爐(1〇)為恢 復式焚化爐(Recuperative Thermal Oxidizer)、蓄熱式焚 M373455 化爐(Regenerative Thermal Oxidizer)或迴轉式蓄熱焚化 爐; 一再淨化單元(20),設置於該焚化爐(10)之排氣管(13) 下游’用以將經由該焚化爐(10 )焚化燃燒後之衍生汙染物 (氮氧化物或/及硫氧化物)進行再淨化處理,並由排放管 (21)與煙函(22)把淨化氣流排放至大氣,而該再淨化單元 (20)為脫硝或/及脫硫設備之一或組合;以及 一熱交換器(30),可為管殼式或板式熱交換器,而令 該引氣管(12)由該排放管(21)回收熱能者。 此外,該引氣管(12)或該排放管(21)擇一設置避開該 熱交換器(30)之旁通管(121或211),而用以控制流經該旁 通管(121或211)之氣流量,調節進入該熱交換器(30)進行 熱回收之氣流量’藉以調整引入該焚化爐(1〇)之廢氣氣流 溫度’亦即可進一步限制該焚化爐(10)之入口與出口溫度 之高低值;因此,係可設置第一溫度計(31)與第二溫度計 (32)於該焚化爐(10)之入口與出口,偵測該焚化爐(1〇)之 入口與出口溫度’並藉此溫度訊號經由一控制器(33)調整 該旁通管(121或211)之控制閥(122或212)之開度,調節 進入該熱交換器(30)進行熱回收之氣流量,進而將焚化爐 (10)之出口溫度控制在300°C〜400°C之間。 基於如是之構成’本創作較習知技術所增設之熱交換 器(30) ’係將經該再淨化單元(2〇)淨化後之淨化氣流,進 行熱回收後再對大氣排放;然而,根據實機之測試結果, 可將淨化氣流最終之排放溫度,再增設該熱交換器(3〇)之 後,由原本之350°C降低至170°C,而把引入該焚化爐(1〇) -6- M373455 之廢氣氣流溫度,由原本之50°C升溫至23(TC,進而節省 該焚化爐(10)所需耗費之燃料(能源),具有節能之功效; 並可進-步控制焚化爐⑽之人口與出口溫度之高低值, 進而增進該再淨化單元⑽之再淨化效能,並預防焚化爐 (10)入口側尚沸點揮發性有機物之殘留問題,具有増進再 淨化效能且熱烘脫附淨化之功效。 •綜上所述,本創作所揭示之構造,為昔所無,且確能 達到功效之增進’並具可供產業湘性,完全符合新 利要件,祈請貴審查委員核賜專利,以勵創新,無任德感。 惟’上述所揭露之圖式、說明,僅為本創作之較佳實 施例,大凡熟悉此項技藝人士,依本案精神料所作之体 節或等效變化,仍應包括在本案巾請專利_内。 ^ M373455 【圖式簡單說明】 第一圖係習知含氮或/及含硫之揮發性有機物焚化處 理系統之結構說明圖。 第二圖係本創作之結構說明圖。 【主要元件符號說明】 (10) 焚化爐 (11) 風機 (12) 引氣管 (121) 旁通管 (122) 控制閥 (13) 排氣管 (20) 再淨化單元 (21) 排放管 (211) 旁通管 (212) 控制閥 (22) 煙囪 (30) 熱交換器 (31) 第一溫度計 (32) 第二溫度計 (33) 控制器M373455 V. New description: [New technical field] This is an energy-saving device for a nitrogen-containing and/or sulfur-containing volatile organic matter incineration treatment system, especially an additional heat exchanger that will be purified by a repurification unit. After the purification of the gas stream, the heat is recycled again before the designer of the atmosphere. [Prior Art] Organic solvents, widely used in life and production, are easily volatilized into gases at room temperature, so they are also known as Volatile Organic Compounds (VOCs). Most VOCs are toxic to humans and must be toxic. In addition, the air quality monitoring data shows that ozone generated by the reaction of odor precursors such as VOCs and NOx with light has replaced the suspended particles as a major pollutant affecting the air pollution index (PSI), so the regulation is strengthened. VOCs emissions are one of the current air pollution control priorities; however, using incinerators as one of the VOCs waste gas treatment methods, the removal rate of VOCs under appropriate conditions can reach over 99%, and the products after combustion are usually water, carbon dioxide, Nitrogen oxides, sulfur oxides, etc., are a method for effectively treating VOCs and odors contained in exhaust gas. Sub-press, if an incinerator is used to incinerate nitrogen-containing and/or sulfur-containing volatile organic compounds (such as those listed below), it must be added to the downstream end of the incinerator (10) as shown in the first figure. The denitrification and/or desulfurization repurification unit (20) discharges the derivatized pollutants (nitrogen oxides (NOx) or/and sulfur oxides (SOx)) after incineration combustion to the atmosphere; However, due to the repurification unit (20) used for denitration and/or desulfurization, the operating temperature has the lowest temperature limit -3- M373455 system 'Generally must be above 20 (TC is preferably 300. (: ~400) Between °C), in order to obtain better purification efficiency, especially if the derivative pollutant is sulfur oxide (SOx), then there must be attention to the problem of acid corrosion dew point; and the repurification technology of this derivative pollutant is known and common. The technology will not be described here; however, the flow of gas through the repurification unit (2〇) usually controls the outlet gas temperature of the incinerator (1〇) to the operating temperature required by the repurification unit (20) ( As above, above 200 ° C), 俾 to achieve the effect of re-purification; The temperature of the purge gas discharged from the unit (20) is still very high (possibly between 200 ° C and 400 ° C), which can be reused for heat recovery. Furthermore, in order to prevent high boiling point volatile organic residues on the inlet side of the incinerator In the event of a shutdown smoldering problem or a Tar phenomenon, general incinerators (especially regenerative incinerators) are required to periodically raise the temperature of the gas stream for the incinerator to perform a high-temperature Bake out process. Residual high-boiling volatile organic compounds are thermally desorbed. Organic compounds containing nitrogen or/and sulfur, scientific name, combustion, oxidation reaction, post-combustion derivatization, combustion, exhaust gas repurification unit, DMF, dimethyl ketoamine (HC0N (CH3) 2) 2(HCON(CH3)2)+1〇〇2— 7H20+6C02+2N0x Nitrogen Oxide (NOx) Denitration Equipment MEA Monoethanol Ammonia (C2H7NO) 2(C2H7NO)+8〇2^ 7H20+4C02+ 2N0x Nitrogen Oxide (NOx) Denitration Equipment DMS0 Dimethylhydrazine (ch3)2so (CH3)2SO+4〇2—3H20+2C02+S0x Sulfur Oxide (SOx) Desulfurization Equipment DMDS Dimethyl Dicholine ( CH3)2S2 (CH3) 2S2+402-> 3H20+2C02+2S0x Sulfur oxide (SOx) Desulfurization equipment DMS dimethyl (CH3)2S (CH3)2S+4〇2—3H20+2C02+S0x Sulfur oxide (SOx) Desulfurization equipment NMP Nitrogen-methyltetrahydro 0 pirone (C5H9NO) 2(C5H9NO)+15〇2— 9H2O+10CO2+2NOx Nitrogen Oxide (NOx) Denitration Equipment_____ M373455 [New Content] The main purpose of this creation is to provide an energy-saving device for a nitrogen-containing and/or sulfur-containing volatile organic matter incineration treatment system. It has the effect of adding a heat exchanger to save energy. Another purpose of this creation is to enhance the repurification efficiency and the effect of heat drying and decontamination. In order to achieve the above-mentioned functions, the structural features of the creation include: an incinerator connected to the air intake pipe and the exhaust pipe; a re-purification unit disposed downstream of the exhaust pipe of the incinerator, through which the incinerator is to be passed The incineration and combustion of the derivatized pollutants is re-purified, and the purified gas stream is discharged to the atmosphere by the discharge pipe; and a heat exchanger that recovers the heat from the discharge pipe. - In addition, the incinerator is a recovery incinerator, a regenerative incinerator or a regenerative accumulator. The incinerator has a fan disposed on the air intake pipe or the exhaust pipe. The heat exchanger is a shell or plate or plate heat exchanger. The repurifying unit is one or a combination of denitration or/and desulfurization equipment. The air inlet pipe or the discharge pipe is alternatively arranged to avoid the bypass pipe of the heat exchanger, and the first thermometer and the second thermometer are disposed at the inlet and the outlet of the incinerator, and the detected temperature is transmitted via the signal A controller adjusts the opening of the bypass control valve. [Embodiment] First, please refer to the second figure. The creation system includes: an incinerator (10) connected with an air inlet pipe (12) and an exhaust pipe (13), and a fan (11) is arranged. The air introducing pipe (12) or the exhaust pipe (13) is used for introducing and incinerating volatile organic compounds; and the incinerator (1〇) is a Recuperative Thermal Oxidizer and a regenerative burning M373455 Regenerative Thermal Oxidizer or rotary regenerative incinerator; a repurification unit (20) disposed downstream of the exhaust pipe (13) of the incinerator (10) for incineration combustion through the incinerator (10) The post-derivative pollutants (nitrogen oxides or/and sulfur oxides) are re-purified, and the purified gas stream is discharged to the atmosphere by the discharge pipe (21) and the smoke letter (22), and the re-purification unit (20) is One or a combination of denitration and/or desulfurization equipment; and a heat exchanger (30), which may be a shell or plate heat exchanger, and the air intake pipe (12) recovers heat energy from the discharge pipe (21) By. In addition, the air inlet pipe (12) or the discharge pipe (21) is alternatively disposed to avoid the bypass pipe (121 or 211) of the heat exchanger (30) for controlling flow through the bypass pipe (121 or 211) The flow rate of the gas, adjusting the gas flow rate into the heat exchanger (30) for heat recovery 'by adjusting the temperature of the exhaust gas stream introduced into the incinerator (1〇) can further limit the inlet of the incinerator (10) And the outlet temperature is high and low; therefore, the first thermometer (31) and the second thermometer (32) can be disposed at the inlet and the outlet of the incinerator (10) to detect the inlet and outlet of the incinerator (1〇) The temperature 'and the temperature signal adjusts the opening of the control valve (122 or 212) of the bypass pipe (121 or 211) via a controller (33), and adjusts the heat entering the heat exchanger (30) for heat recovery. The flow rate, in turn, controls the outlet temperature of the incinerator (10) to be between 300 ° C and 400 ° C. Based on the composition of the heat exchanger (30) added by the prior art, the purified gas stream purified by the repurifying unit (2〇) is subjected to heat recovery and then discharged to the atmosphere; however, according to The test results of the actual machine can be used to introduce the final discharge temperature of the purified gas stream, and then add the heat exchanger (3 〇) to the original incineration furnace (1〇) from the original 350 ° C to 170 ° C. The exhaust gas flow temperature of 6- M373455 is raised from the original 50 °C to 23 (TC, which saves the fuel (energy) required for the incinerator (10), and has energy-saving effect; and can further control the incinerator (10) The high and low values of the population and the outlet temperature, thereby improving the repurification efficiency of the repurifying unit (10), and preventing the residual problem of the volatile organic compounds at the inlet side of the incinerator (10), having a re-purification efficiency and thermal desorption The effect of purification. • In summary, the structure revealed by this creation is nothing for the past, and it can indeed achieve the improvement of efficacy' and can be used for industrial Xiang, fully in line with the new requirements, pray for your review committee. Patented New, no sense of morality. Only the above-mentioned drawings and descriptions are only the preferred embodiments of this creation. Those who are familiar with this skill should still make the body section or equivalent change according to the spirit of the case. Including the patent in the case towel. ^ M373455 [Simple description of the diagram] The first diagram is a structural description of the conventional nitrogen-containing and/or sulfur-containing volatile organic matter incineration treatment system. The second diagram is the structure of the creation. (Fig. Explanation of main component symbols) (10) Incinerator (11) Fan (12) Air intake pipe (121) Bypass pipe (122) Control valve (13) Exhaust pipe (20) Repurification unit (21) Discharge Tube (211) Bypass (212) Control Valve (22) Chimney (30) Heat Exchanger (31) First Thermometer (32) Second Thermometer (33) Controller

Claims (1)

M373455 六、申請專利範圍: 1 · 一種含氮或/及含硫之揮發性有機物焚化處理系統 之節能裝置,係包括有: 一焚化爐,連接有引氣管與排氣管; 一再淨化單元,設置於該焚化爐之排氣管下游,將經 由該焚化爐焚化燃燒後之衍生汙染物進行再淨化處理,並 由排放管把淨化氣流排放至大氣;以及 一熱交換器,令該引氣管由該排放管回收熱能者。 2 ·如申請專利範圍第1項所述之含氮或/及含硫之揮 發性有機物焚化處理系統之節能裝置,其中,該焚化爐為 恢復式焚化爐、蓄熱式焚化爐或迴轉式蓄熱焚化爐。 3 ·如申請專利範圍第2項所述之含氮或/及含疏之揮 發性有機物焚化處理系統之節能裝置,其中,該焚化爐將 一風機設置於該引氣管或排氣管。 4 ·如申請專利範圍第3項所述之含氮或/及含硫之揮 發性有機物焚化處理系統之節能裝置,其中,該熱交換器 為管殼式或板式熱交換器。 5 ·如申請專利範圍第4項所述之含氮或/及含硫之揮 發性有機物焚化處理系統之節能裝置其中,該再淨化單 兀為脫硝或/及脫硫設備之一或組合。 及:如申請專利範圍第1至5項任-項所述之含氮或/ :二之揮發性有機物焚化處理系統之節能裝置,其中, δ引氣s或該排放管擇—設置避開該熱交換器之旁通管, 又置第’皿度5十與第二溫度計於該焚化爐之入口與出 口,並藉所偵測之溫度訊號經由一控制器調整該旁通管控 制閥之開度。M373455 VI. Scope of application for patents: 1 · An energy-saving device for a nitrogen-containing and/or sulfur-containing volatile organic matter incineration treatment system, comprising: an incinerator connected to an air-exhausting pipe and an exhaust pipe; Downstream of the exhaust pipe of the incinerator, the decontaminated pollutants incinerated by the incinerator are re-purified, and the purified gas stream is discharged to the atmosphere by a discharge pipe; and a heat exchanger is used to The discharge pipe recovers heat. 2) An energy-saving device for a nitrogen-containing and/or sulfur-containing volatile organic matter incineration treatment system as described in claim 1, wherein the incinerator is a recovery incinerator, a regenerative incinerator or a rotary heat storage incineration furnace. 3. An energy-saving device for a nitrogen-containing and/or sparse-containing volatile organic matter incineration treatment system as described in claim 2, wherein the incinerator has a fan disposed in the air intake pipe or the exhaust pipe. 4. An energy-saving device for a nitrogen-containing and/or sulfur-containing volatile organic matter incineration treatment system as described in claim 3, wherein the heat exchanger is a shell-and-tube type heat exchanger. 5. An energy-saving device for a nitrogen-containing and/or sulfur-containing volatile organic matter incineration treatment system as described in claim 4, wherein the repurification unit is one or a combination of denitration or/and desulfurization equipment. And: an energy-saving device for a nitrogen-containing or /: two volatile organic matter incineration treatment system according to any one of claims 1 to 5, wherein the δ bleed air s or the discharge pipe is selected to avoid the a bypass pipe of the heat exchanger, and a second temperature and a second thermometer at the inlet and the outlet of the incinerator, and adjusting the opening of the bypass control valve via a controller by the detected temperature signal degree. -10--10-
TW98212544U 2009-07-10 2009-07-10 Energy economizer for incineration processing system of volatile organic material containing nitrogen or/and sulfur TWM373455U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI477720B (en) * 2010-10-22 2015-03-21
TWI593920B (en) * 2014-09-09 2017-08-01 feng-tang Zhang Self-cleaning dual tank regenerative incinerator and self-cleaning method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI477720B (en) * 2010-10-22 2015-03-21
TWI593920B (en) * 2014-09-09 2017-08-01 feng-tang Zhang Self-cleaning dual tank regenerative incinerator and self-cleaning method

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