TWM597772U - Energy-saving device for ashing sludge - Google Patents
Energy-saving device for ashing sludge Download PDFInfo
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- TWM597772U TWM597772U TW109200817U TW109200817U TWM597772U TW M597772 U TWM597772 U TW M597772U TW 109200817 U TW109200817 U TW 109200817U TW 109200817 U TW109200817 U TW 109200817U TW M597772 U TWM597772 U TW M597772U
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Abstract
本新型有關一種將污泥灰化之節能裝置,包括有:一乾燥爐,利用過熱蒸氣提供120~180℃的乾燥環境令污泥乾燥;以及一灰化爐,利用電熱提供500~1000℃的高溫環境分解乾燥後污泥中的有機質,而剩下無機質灰渣;藉此,以「先蒸發、後灰化」二階段處理設備的組合,進而獲致1+1>2的相加乘效果,得以解決先前技術於污泥乾燥期浪費許多熱能之問題,而具有於污泥乾燥期節能之功效。 This new model relates to an energy-saving device for ashing sludge, including: a drying furnace, which uses superheated steam to provide a drying environment of 120~180℃ to dry the sludge; and an ashing furnace, which uses electric heat to provide a temperature of 500~1000℃ The high-temperature environment decomposes the organic matter in the dried sludge, leaving inorganic ash; this way, the combination of the two-stage treatment equipment "evaporate first, then ash", and obtain the additive effect of 1+1>2. It can solve the problem that the prior art wastes a lot of heat energy during the sludge drying period, and has the effect of saving energy during the sludge drying period.
Description
本新型有關一種將污泥灰化之節能裝置,尤指一種先將污泥乾燥再將乾燥後的污泥灰化之設計者。 This model relates to an energy-saving device for ashing sludge, especially a designer who first dries the sludge and then ashes the dried sludge.
按,廢水處理所產生的污泥含有水分、有機質、金屬、砂土…等成分,如欲回收污泥製成為水泥原料需經過適當的灰化處理,特別是具有臭味的有機質,必須利用高溫分解徹底去除以免產生異味;再按,如〔圖1〕所示,污泥受熱時,其水分的蒸發速率先為乾燥恆速期後為乾燥減速期,乾燥恆速期是指污泥淺層的水分容易逸出表面而被蒸發,致使水分的蒸發速率維持恆速,乾燥減速期則是因污泥深層的水分不易逸出表面而被蒸發,致使水分的蒸發速率逐漸減速 According to, the sludge produced by wastewater treatment contains water, organic matter, metal, sand...and other components. If you want to recycle the sludge into cement raw materials, it needs to go through proper ashing treatment, especially the smelly organic matter, which must use high temperature Decompose and remove thoroughly to avoid odor; press again, as shown in [Figure 1], when the sludge is heated, the evaporation rate of its moisture first is the drying constant rate period and then the drying deceleration period. The drying constant rate period refers to the shallow layer of sludge The moisture easily escapes the surface and is evaporated, causing the evaporation rate of the moisture to maintain a constant speed. The drying deceleration period is because the moisture in the deep layer of the sludge is not easily escaped from the surface and is evaporated, causing the evaporation rate of the moisture to gradually decelerate
然而,習知回收污泥製成為水泥原料的處理方式,是利用足以灰化污泥的高溫,直接把污泥乾燥且燃燒成灰渣;但是,由於處理前期是屬於污泥乾燥期(包含乾燥恆速期與乾燥減速期),攝氏100多度的乾燥溫度就有不錯的乾燥效率,過高的乾燥溫度並無法使水分的蒸發速率等比的提高(尤其是乾燥減速期),致使足以灰化污泥的高溫無法對污泥的乾燥做出對等的貢獻,因而浪費了許多熱能於無形中。 However, the conventional method of processing recycled sludge into cement raw materials is to directly dry the sludge and burn it into ash at a high temperature enough to ash the sludge; however, since the early stage of the treatment is the sludge drying period (including drying Constant speed period and drying deceleration period), a drying temperature of more than 100 degrees Celsius has a good drying efficiency, too high drying temperature can not increase the evaporation rate of water proportionally (especially the drying deceleration period), resulting in enough dust The high temperature of the chemical sludge cannot make equal contributions to the drying of the sludge, thus wasting a lot of heat energy invisibly.
本新型之主要目的,欲解決先前技術於污泥乾燥期浪費許多熱能之問題,以「先蒸發、後灰化」二階段處理設備的組合,而具有於污泥乾燥期節能之功效。 The main purpose of this new model is to solve the problem of the prior art wasting a lot of heat energy during the sludge drying period. The combination of the two-stage treatment equipment "evaporate first and then ash" has the effect of saving energy during the sludge drying period.
為達上述功效,本新型之技術特徵,包括有:一乾燥爐,利用 過熱蒸氣提供120~180℃的乾燥環境令污泥乾燥;以及一灰化爐,設置於該乾燥爐之下游處,俾利用電熱提供500~1000℃的高溫環境分解乾燥後污泥中的有機質,而剩下無機質灰渣;其中,該乾燥爐為蒸氣加熱式乾燥爐,而利用內部的蒸氣噴管提供120~180℃的乾燥環境,該灰化爐為電熱爐,而利用內部的電熱器提供500~1000℃的高溫環境。 In order to achieve the above-mentioned effects, the technical features of the present invention include: a drying oven, which uses The superheated steam provides a drying environment of 120~180℃ to dry the sludge; and an ashing furnace is installed downstream of the drying furnace to use electric heat to provide a high temperature environment of 500~1000℃ to decompose the organic matter in the dried sludge. The remaining inorganic ash and slag; among them, the drying furnace is a steam-heated drying furnace, and the internal steam nozzle provides a drying environment of 120~180℃, the ashing furnace is an electric furnace, and the internal electric heater is used to provide High temperature environment of 500~1000℃.
此外,還包括一輸送帶,用以輸送污泥先通過該乾燥爐再通過該灰化爐。 In addition, it also includes a conveyor belt for conveying sludge through the drying furnace and then through the ashing furnace.
依據前揭特徵,該乾燥爐為一螺旋式乾燥爐,其具備,一污泥入料口,一蒸氣入口,一送料螺旋桿,一出料口;且該蒸氣入口係連接一過熱蒸氣源。 According to the aforementioned features, the drying furnace is a spiral drying furnace, which is provided with a sludge inlet, a steam inlet, a feeding screw, and a discharge port; and the steam inlet is connected to a superheated steam source.
依據前揭特徵,該電熱爐更可包括設有一溫度感測器,用以將該電熱爐的溫度訊號送至一控制單元,再由該控制單元來調整與控制該電熱器的溫度。 According to the aforementioned features, the electric heating furnace may further include a temperature sensor for sending the temperature signal of the electric heating furnace to a control unit, and then the control unit adjusts and controls the temperature of the electric heater.
藉此,先提供攝氏100多度的乾燥環境將污泥乾燥,再提供攝氏500度以上的高溫環境將乾燥後的污泥灰化,兩段式的處理方式可減少污泥乾燥期所使用的熱能。 In this way, a dry environment of more than 100 degrees Celsius is provided to dry the sludge, and then a high temperature environment of more than 500 degrees Celsius is provided to ash the dried sludge. The two-stage treatment method can reduce the use of the sludge during the drying period. Thermal energy.
10:乾燥爐 10: Drying furnace
11:污泥入料口 11: Sludge inlet
12:蒸氣入口 12: Steam inlet
13:送料螺旋桿 13: Feeding screw
14:出料口 14: Outlet
20:電熱爐 20: electric furnace
21:電熱器 21: electric heater
30:輸送裝置 30: Conveying device
40:過熱蒸氣源 40: Superheated steam source
41:鍋爐 41: boiler
50:控制單元 50: control unit
51:溫度感測器 51: temperature sensor
〔圖1〕係污泥受熱時水分蒸發速率之說明圖。 [Figure 1] is an explanatory diagram of water evaporation rate when sludge is heated.
〔圖2〕係本新型實施步驟及設備之示意圖。 [Figure 2] is a schematic diagram of the implementation steps and equipment of the present invention.
〔圖3〕係本新型實施「先蒸發、後灰化」的溫度與時間說明圖。 [Figure 3] is an explanatory diagram of the temperature and time for the implementation of the "first evaporation, then ashing" of the present invention.
〔圖4〕係本新型實施「先蒸發、後灰化」污泥含水率與時間說明圖。 [Figure 4] is an explanatory diagram of the water content and time of the sludge in the implementation of "evaporate first, then ash".
首先,請參閱〔圖2〕所示,本新型實施步驟包括有:一乾燥
步驟,利用蒸氣加熱式乾燥爐10內的蒸氣噴管11提供120~180℃的過熱蒸氣令污泥乾燥;以及一灰化步驟,利用電熱(灰化)爐20內的電熱器21提供500~1000℃的高溫環境將乾燥後的污泥利用高溫分解有機質,而剩下的無機質灰渣可做為水泥原料;此外,還包括一輸送步驟,利用輸送帶30輸送污泥通過該乾燥爐10與該電熱爐20。
First of all, please refer to [Figure 2]. The implementation steps of the present invention include: a drying
Step, using the
本實施例中,該乾燥爐10可為一螺旋式乾燥爐10,其具備,一污泥入料口11,一蒸氣入口12,送料螺旋桿13,出料口14。該蒸氣入口12係連接一過熱蒸氣源40,該過熱蒸氣源40可以是來自工廠內的鍋爐41所排出的高溫過熱蒸汽,可達廢氣回收再利用的經濟效益。惟,該螺旋式乾燥爐10係為先前技術(Prior Art),其原理及詳細構造非本發明的專利標的,容不贅述。
In this embodiment, the
再者,該電熱爐20更可包括設有一溫度感測器51,用以將該電熱爐20的溫度訊號送至一控制單元50,再由該控制單元50來調整與控制該電熱器21的最佳溫度。
Furthermore, the
基於如是之構成,本新型將習知回收污泥全程利用高溫直接把污泥乾燥且燃燒成灰渣的處理方式,改進成如〔圖3〕所示,先提供攝氏100多度的乾燥環境將污泥(A)乾燥,再提供攝氏500度以上的高溫環境將乾燥後的污泥灰化,以「先蒸發、後灰化」二段式處理程序來進行。又如〔圖4〕所示,本新型實施「先蒸發、後灰化」的溫度與時間說明圖,亦即如果污泥一開始就全程使用電熱器21的高溫分解有機質,不僅電熱灰化的電費昂貴之外,亦如前所述及〔圖1〕所示,過高的乾燥溫度並無法使水分的蒸發速率等比的提高(尤其是乾燥減速期),致使足以灰化污泥的高溫無法對污泥的乾燥做出對等的貢獻,因而浪費了許多熱能
於無形中。是以,本新型以「先蒸發、後灰化」的二段式處理裝置,可減少污泥乾燥期所使用的熱能,污泥乾燥期所使用的熱能還可來自於蒸氣廢熱,而具有於污泥乾燥期節能之功效,進而獲致1+1>2的相加乘效果。
Based on this structure, the new model improves the conventional treatment method of directly drying and burning the sludge into ash by using high temperature throughout the entire process of recycled sludge, as shown in [Figure 3], first providing a dry environment of more than 100 degrees Celsius. The sludge (A) is dried, and then a high temperature environment above 500 degrees Celsius is provided to ash the dried sludge in a two-stage process of "evaporate first, then ash". As shown in [Figure 4], the temperature and time explanatory diagram of the implementation of the "evaporation first, then ashing" of the present invention, that is, if the sludge starts to use the pyrolysis organic matter of the
綜上所述,本新型所揭示之技術手段,確具「新穎性」、「進步性」及「可供產業利用」等新型專利要件,祈請 鈞局惠賜專利,以勵新型,無任德感。 In summary, the technical means disclosed in this new model do have new patent requirements such as "novelty", "progressiveness" and "available for industrial use". I pray that the Jun Bureau will grant patents to encourage new models without any responsibility. Sense of virtue.
惟,上述所揭露之圖式、說明,僅為本新型之較佳實施例,大凡熟悉此項技藝人士,依本案精神範疇所作之修飾或等效變化,仍應包括在本案申請專利範圍內。 However, the drawings and descriptions disclosed above are only the preferred embodiments of the present invention. Any modification or equivalent change made in accordance with the spirit of this case by those familiar with the art should still be included in the scope of the patent application in this case.
10:乾燥爐 10: Drying furnace
11:污泥入料口 11: Sludge inlet
12:蒸氣入口 12: Steam inlet
13:送料螺旋桿 13: Feeding screw
14:出料口 14: Outlet
20:電熱爐 20: electric furnace
21:電熱器 21: electric heater
30:輸送裝置 30: Conveying device
40:過熱蒸氣源 40: Superheated steam source
41:鍋爐 41: boiler
50:控制單元 50: control unit
51:溫度感測器 51: temperature sensor
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TW109200817U TWM597772U (en) | 2020-01-20 | 2020-01-20 | Energy-saving device for ashing sludge |
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TW109200817U TWM597772U (en) | 2020-01-20 | 2020-01-20 | Energy-saving device for ashing sludge |
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TWM597772U true TWM597772U (en) | 2020-07-01 |
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