KR20110004601A - Apparatus for sludge drying and carbonization - Google Patents

Apparatus for sludge drying and carbonization Download PDF

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KR20110004601A
KR20110004601A KR1020090062109A KR20090062109A KR20110004601A KR 20110004601 A KR20110004601 A KR 20110004601A KR 1020090062109 A KR1020090062109 A KR 1020090062109A KR 20090062109 A KR20090062109 A KR 20090062109A KR 20110004601 A KR20110004601 A KR 20110004601A
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steam
carbonization
sludge
drying
line
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KR1020090062109A
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Korean (ko)
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박성동
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박성동
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/04—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour circulating over or surrounding the materials or objects to be dried
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/18—Sludges, e.g. sewage, waste, industrial processes, cooling towers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/20—Sludge processing

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Microbiology (AREA)
  • General Engineering & Computer Science (AREA)
  • Treatment Of Sludge (AREA)

Abstract

PURPOSE: A sludge drying and carbonization apparatus is provided to recycle sludge generated from sewage as generative fuel by drying, carbonizing, and reducing the weight. CONSTITUTION: A sludge drying and carbonization apparatus comprises a steam generating apparatus(1), a steam line(2), a sludge drying device(3), a carbonizing device(4), a super-heated steam generator(10), and a superheated steam line(5). The steam generating apparatus generates steam, and includes two steam lines. The sludge drying device and the carbonizing device are connected to one steam line. The super-heated steam generator is connected to the other steam line.

Description

하수 슬러지 건조 및 탄화 장치{Apparatus for sludge drying and carbonization}Apparatus for sludge drying and carbonization

본 발명은 하수 슬러지 건조 및 탄화 장치에 관한 것으로, 하수 슬러지를 처리하기 위하여 증기와 과열증기를 슬러지에 직접 및 간접식으로 접촉시켜 건조와 탄화가 일어나게 함으로써, 슬러지의 건조, 탄화, 중량감소 및 재생 연료로서 재활용 등을 실현한 발명이다.The present invention relates to a sewage sludge drying and carbonization apparatus, wherein the sludge is dried, carbonized, reduced in weight and regenerated by direct and indirect contact with steam and superheated steam to treat the sewage sludge. The invention realizes recycling as a fuel.

종래의 경우 슬러지는 회전로의 벽면부로 투입되어, 교반 날개에 의해 중심부로 이동하면서 건조 탄화되고, 탄화물은 중심부에서 하부로 내려갔다. 이 때 슬러지는 무산소 상태에서 가열되어 열분해 가스화가 유도되었다. 노내의 온도와 건조, 탄화조건이 선회 흐름에 의하여 균일하게 조성되어 높은 효율을 얻는 원통 형상의 입형로가 사용되고, 가열용 공기와 버너의 화염은 노내의 연소가스 및 화염이 선회하는 방향의 각도로 공급되었으며, 선회 연소에 의하여 건조, 탄화되었다.In the conventional case, the sludge was introduced into the wall surface portion of the rotary furnace, dried and carbonized while moving to the center by the stirring blades, and the carbide descended from the center to the bottom. At this time, the sludge was heated in an oxygen-free state to induce pyrolysis gasification. A cylindrical granular furnace is obtained in which the temperature, drying and carbonization conditions in the furnace are uniformly formed by the turning flow to obtain high efficiency. It was supplied, dried and carbonized by slewing combustion.

노내의 온도와 건조 탄화 조건이 선회 흐름에 의하여 균일하게 조성되기 때 문에 효율이 좋은 건조 탄화가 이루어진다. 건조 슬러지는 원통 외주부에서 투입되어 교반 날개에 의하여 서서히 내부로 유도되어 골고루 건조 탄화되며 탄화물은 중심부에서 하부로 내려간다. 또한 노상의 회전수를 조정함으로써 체류시간을 조정하여 슬러지 수분량의 변화에 대응할 수 있는 구조로 되어 있다. 탄화로에서 발생한 건조 가스는 재연소실로 유도되어 850℃에서 2초 이상 체류하면서 완전연소되는 직접가열 회전로가 이용된 방식이었다.Efficient dry carbonization occurs because the temperature in the furnace and dry carbonization conditions are uniformly formed by the swirl flow. Dry sludge is introduced from the outer periphery of the cylinder and gradually guided into the inside by the stirring blades, and the dry carbonization is evenly distributed. In addition, by adjusting the number of revolutions in the hearth, the residence time is adjusted to cope with changes in the amount of water in the sludge. The dry gas generated in the carbonization furnace was used as a direct heating rotary furnace which was introduced into the reburn chamber and completely burned while staying at 850 ° C for at least 2 seconds.

그리고 무산소 열분해로 구조는 완전 밀폐형으로 외주는 600℃의 열풍이 체류하는 자켓으로 되어 있고, 내부 중앙의 축에는 특수한 날개가 부착되어 있으며 이 날개를 회전시켜 약 600℃의 내부 가열면에 원심력으로 피탄화물을 엷은 막 상태로 접촉시키며 급속 가열하여 약 30~60분에 탄화시키는 간접 가열 회전로상식 탄화기 방식이 있다.The oxygen-free pyrolysis structure is a completely sealed type, and the outer jacket has a hot air of 600 ℃, and a special wing is attached to the shaft in the center of the inside. There is an indirect heating rotary carburizing system that makes the cargoes in a thin film and rapidly heats them to carbonize in about 30 to 60 minutes.

그리고 외열실 내부에 Retort를 경사하여 관통시킨 외열형　탄화로를 이용하여 건류 처리한 슬러지를 Retort를 회전시켜서 순차적으로 이송하고, 하부에 붙어있는 조연 버너로 Retort의 외부 케이싱을 가열하여 반송중의 슬러지를 열분해하여 건류시키고 건류가스는 Retort에 붙어 있는 노즐로부터 외열실 내부로 분출 직접 연소하는 방식이 있다. 이는 75~85％의 함수율을 가진 유기성 폐기물을 회전수를 달리하며 같은 방향으로 회전하는 수평드럼 내측의 바스켓 날개 및 편심축의 분산날개를 가진 로터리 킬른 방식의 열풍건조기에서 폐열을 이용하여 20~40분에 함수율 10~15％내로 연속 건조하는 기술과 건조된 하수 슬러지를 수직 다단식으로 구성된 이송 스크류를 가진 간접 열방식의 탄화기이다. 이에서는 휘발성 가스와 잔류물 로 분리되고, 휘발성 가스를 자체 연소시키며 10~20분 내에 5~8％ 함수율의 탄화물로 연속적으로 탄화하는 방식이다.And using the external heat-type carbonization furnace in which the retort is inclined and penetrated inside the heat chamber, the dried liquor is sequentially transported by rotating the retort. Is pyrolyzed by distillation, and dry gas is directly ejected from the nozzle attached to the retort into the external heat chamber. This is 20 ~ 40 minutes using waste heat in a rotary kiln type hot air dryer with a basket blade inside the horizontal drum and eccentric shaft dispersing blades rotating in the same direction at different rotational speeds for organic wastes with 75 ~ 85% water content. It is an indirect thermal carbonization machine with a technology of continuous drying within 10 to 15% of water content and a conveying screw composed of dried sewage sludge in a vertical multi-stage. In this case, the volatile gas and the residue are separated, and the volatile gas is self-burned and continuously carbonized with carbide of 5 to 8% water content in 10 to 20 minutes.

그리고 탈수 슬러지를 함수율 30％ 정도까지 조립 건조시키는 교반 파쇄 장치를 부착한 횡형 회전 건조기와 다단 스크류 컨베이어식 탄화 장치 및 배기가스 처리설비로 구성된 것이 있다. 탄화 장치의 노내를 상하 4단의 스크류 컨베이어가 관통하고 있는 일종의 외열식 킬른으로, 건조 슬러지를 우선 최상단의 스크류 컨베이어에 보낸 다음 차례차례 상단, 중단, 하단의 각 스크류 컨베이어로 이송하며, 탄화로 하부에 설치된 버너에 의해 각 단의 스크류 컨베이어의 케이싱을 600℃~700℃로 가열한다. 건조 탈수 슬러지는 저산소 상태로 열분해(건류)되고, 탄화물을 얻을 수 있는 간접가열 스크류식 탄화설비이다.And it consists of a horizontal rotary dryer with a stirring crushing apparatus which granulates and dehydrates sludge to about 30% of water content, a multistage screw conveyor type carbonization apparatus, and an exhaust gas processing facility. This is a kind of external kiln through which the upper and lower four-stage screw conveyor penetrates the carbonization furnace. The dry sludge is first sent to the uppermost screw conveyor, and then sequentially transferred to the upper, middle and lower screw conveyors. The casing of the screw conveyor of each stage is heated to 600 degreeC-700 degreeC by the burner installed in. Dry dewatered sludge is an indirect heating screw type carbonization facility that can pyrolyze (dry) in a low oxygen state and obtain carbides.

종래의 경우는 저온 건조와 고온 건조로 구분되는 여러 방법의 탄화 장치로서, 1차 건조에서는 가스보다 수분의 발생이 많음으로 이의 처리 방법이 필요하게 되고, 2차 탄화에서는 수분보다는 가스의 발생이 많음으로 이의 처리 방법이 필요하게 된다. 그리고 원하는 함수율을 얻기가 어려운 문제가 있었다. 따라서 본 발명은 상기와 같은 종래의 문제점을 해소하고자 하는 것에 목적이 있다.Conventional carbonization apparatuses are classified into low temperature drying and high temperature drying. In the first drying process, more water is generated than in gas, and a treatment method thereof is required. In the second carbonization, gas is generated more than water. This requires a treatment method thereof. And it was difficult to get the desired moisture content. Therefore, an object of the present invention is to solve the above conventional problems.

본 발명은 하수 슬러지를 처리하기 위하여 건조 장치와 탄화 장치가 사용된다. 특히 각각의 장치에서는 증기를 슬러지에 직접 및 간접으로 접촉시켜 건조시키고, 탄화 장치에서는 과열증기를 건조된 슬러지에 직접 및 간접으로 접촉시켜 탄화시키는 장치가 제공된다.In the present invention, a drying apparatus and a carbonizing apparatus are used to treat sewage sludge. In particular, in each apparatus there is provided an apparatus for directing and indirectly contacting the steam with sludge for drying, and in the carbonizing apparatus for supercharging the carbon by direct and indirect contact with the dried sludge.

본 발명에 따르면, 슬러지 건조 장치에서 증기를 직접 및 간접으로 적용시켜 차 건조를 시키고, 탄화 장치에서 과열증기로써 직접 및 간접으로 슬러지에 접촉됨으로써, 건조 및 탄화의 효율이 극대화되고, 슬러지의 중량 감소의 극대화로 처리 비용의 절감과 에너지의 절감 효과가 있으며, 함수율이 적어 재생 연료로의 활용이 가능하게 된다.According to the present invention, the car is dried by applying steam directly and indirectly in the sludge drying apparatus, and the sludge is directly and indirectly contacted with the superheated steam in the carbonization apparatus, thereby maximizing the efficiency of drying and carbonization and reducing the weight of the sludge. Maximizes the efficiency of the treatment and saves energy. The low water content makes it possible to use as a renewable fuel.

본 발명은 증기를 발생시키는 증기 발생 장치(1); 상기 증기 발생 장치(1)에 연결된 두 가닥의 증기라인(2); 상기 하나의 증기라인(2)에 연결되고, 내부로 증기가 유입되어 배출되고, 외부에도 증기가 접촉되게 설치된 슬러지 건조 장치(3) 및 탄화 장치(4); 상기 다른 하나의 증기라인(2)에 연결되어 유입되는 증기를 가열하여 과열증기를 발생시키는 과열증기 발생 장치(10); 상기 과열증기 발생 장치(10)에 연결되어 상기의 탄화 장치(4) 내부로 과열증기를 공급하는 과열증기라인(5);을 포함하여 구성된다.The present invention provides a steam generator (1) for generating steam; Two strands of steam line 2 connected to the steam generator 1; A sludge drying apparatus 3 and a carbonization apparatus 4 connected to the one steam line 2 and installed with steam introduced and discharged therein, such that steam is also in contact with the outside; A superheated steam generator (10) connected to the other steam line (2) to heat the incoming steam to generate superheated steam; And a superheated steam line 5 connected to the superheated steam generator 10 to supply superheated steam into the carbonization device 4.

그리고 상기 슬러지 건조 장치(3)에는 슬러지를 투입하는 호퍼가 형성되고, 탄화 장치(4)로 건조된 슬러지를 배출하여 고급하는 배출구가 형성되며, 탄화 장치(4)에는 건조된 슬러지가 투입되는 호퍼가 설치된다.And the sludge drying apparatus 3 is formed with a hopper for injecting sludge, a discharge port for discharging the sludge dried by the carbonization device 4 is formed, the hopper for drying the sludge is injected into the carbonization device (4) Is installed.

그리고 탄화 장치(4)의 하부에는 탄화된 슬러지가 배출되는 배출구가 설치된다.And the lower part of the carbonization device 4 is provided with an outlet for discharging carbonized sludge.

그리고 건조 장치(3)와 탄화 장치(4)는 증기연결라인(6)으로 연결되는데, 건조 장치(3)의 내부와 외부의 증기라인(2)은 건조 장치(3)를 거치면서 하나로 합쳐지고, 이것은 다시 탄화 장치(4)에서 내부와 외부로 나뉘어져 공급된다. 탄화 장치에서의 증기연결라인(6)은 증기의 열이 재차 탄화 장치(4)에서 사용되고, 탄화 장치(4)의 온도를 유지하는데 사용된다.And the drying device 3 and the carbonization device 4 is connected by a steam connection line 6, the steam line (2) inside and outside the drying device 3 is merged into one through the drying device (3) This is again supplied internally and externally in the carbonization device 4. The steam connection line 6 in the carbonization device is used to heat the steam again in the carbonization device 4 and to maintain the temperature of the carbonization device 4.

상기와 같은 구조에서, 증기 발생 장치(1)에서 100℃ 정도의 증기가 발생되어 건조 장치(3)와 탄화 장치(4)로 공급된다. 건조 장치(3)와 탄화 장치(4)에서는 공급된 증기가 슬러지에 직접 및 간접적으로 분사되어 건조 및 탄화시킴에 특징이 있다.In the structure as described above, steam of about 100 ° C. is generated in the steam generator 1 and supplied to the drying apparatus 3 and the carbonization apparatus 4. In the drying apparatus 3 and the carbonizing apparatus 4, the supplied steam is injected directly and indirectly into the sludge to dry and carbonize it.

우선 건조 장치(3)에서는 증기가 내부로 분사되어 슬러지에 직접 접촉되기도 하고, 건조 장치(3)의 외부로 접촉시켜 온도를 높여 주기도 한다. 즉, 증기가 슬러지에 직접 분사되면, 슬러지에 포함되어 있는 수분은 가스화된다. 외부에 접촉되는 증기는 건조 장치(3)를 가열하여 전체 온도를 고온으로 유지하기 위한 구성이고, 이렇게 고온으로 유지된 건조 장치(3)의 내부에서 증기가 직접 슬러지에 접촉될 때 슬러지의 열분해가 더욱 가속되어 수분이 가스화되어 배출된다.First, in the drying apparatus 3, steam may be injected into the sludge and may be in direct contact with the sludge, or in contact with the outside of the drying apparatus 3 to increase the temperature. That is, when steam is injected directly into the sludge, the moisture contained in the sludge is gasified. The steam in contact with the outside is a configuration for heating the drying apparatus 3 to maintain the overall temperature at a high temperature, and thermal decomposition of the sludge occurs when steam is directly in contact with the sludge in the drying apparatus 3 maintained at such a high temperature. It is further accelerated and the water is gasified and discharged.

건조 장치(3)에서는 80~90％의 함수율을 가진 슬러지가 함수율이 25~35％가 되도록 건조되고, 건조 장치(3)에서 발생된 가스는 가스라인(7)을 따라 응축장치(8)로 이동되어 수분과 분리된다.In the drying device 3, the sludge having a water content of 80 to 90% is dried so that the water content is 25 to 35%, and the gas generated in the drying device 3 is transferred to the condenser 8 along the gas line 7. Moved and separated from moisture.

상기와 같이 1차 건조된 슬러지는 건조 장치의 배출구를 통해서 바로 탄화 장치(4)로 이동되거나 아니면 별도의 이송 장치를 통해 탄화 장치(4)로 투입된다.As described above, the first dried sludge is directly transferred to the carbonization device 4 through the discharge port of the drying device or introduced into the carbonization device 4 through a separate transfer device.

탄화 장치(4)에서는 건조 장치(3)에서의 증기보다 높은 과열증기가 접촉된다. 과열증기는 증기 발생 장치(1)에서 발생한 증기가 압력의 변화없이 다시 가열되어 열량이 높은 증기를 가리킨다. 즉 건조포화증기를 가열한 상태의 증기로, 이 증기를 이용하면 탄화 장치(4)에서의 슬러지 건조 및 탄화 효율을 높일 수 있다.In the carbonization apparatus 4, superheated steam higher than the vapor in the drying apparatus 3 is contacted. The superheated steam indicates steam having a high calorie value since the steam generated in the steam generator 1 is heated again without a change in pressure. That is, the steam in the state where the dry saturated steam is heated, and using this steam can improve the sludge drying and carbonization efficiency in the carbonization apparatus 4.

상기 과열증기는 증기 발생 장치(1)에서 발생된 증기가 증기라인(2)을 따라 과열증기 발생 장치(10)로 이동되고, 이곳에서 재가열되어 750~900℃의 과열증기로 발생된다.The superheated steam is moved from the steam generator 1 to the superheated steam generator 10 along the steam line 2 and reheated therein to generate superheated steam of 750 to 900 ° C.

따라서 과열증기는 과열증기라인(5)을 따라 탄화 장치(4)의 내부로 유입되어, 건조된 슬러지를 탄화시키는 작용을 하게 된다. 이 때 탄화 장치(4)는 과열증기를 공급받아 저 산소 상태에서 슬러지를 열분해 및 탄화시키게 된다.Therefore, the superheated steam flows into the carbonization device 4 along the superheated steam line 5 to carbonize the dried sludge. At this time, the carbonization device 4 is supplied with superheated steam to pyrolyze and carbonize the sludge in a low oxygen state.

탄화 장치(4)에서는 슬러지가 5~15％의 함수율을 가진 탄화물로 생성되어 2차 건조 및 탄화된다. 따라서 하수 슬러지는 1차 건조와 2차 건조를 통해 낮은 함수율을 가짐으로써 재생연료로 재활용이 가능하고, 처리 비용 또한 경감된다.In the carbonization apparatus 4, the sludge is produced from carbides having a water content of 5 to 15%, followed by secondary drying and carbonization. Therefore, the sewage sludge has a low water content through primary drying and secondary drying, and can be recycled as recycled fuel, and treatment costs are also reduced.

그리고 건조 장치(3)와 탄화 장치(4)에서 발생하는 가스는 응축장치(8)를 통하면서 수분이 배출되고, 냉각장치(9)에서 냉각되어 배출되거나 처리된다.The gas generated in the drying apparatus 3 and the carbonization apparatus 4 is discharged through the condenser 8, and the water is cooled in the cooling apparatus 9 to be discharged or processed.

도 1은 본 발명의 전체 구성도1 is an overall configuration diagram of the present invention

※ 도면의 주요 부분에 대한 부호의 설명[Description of Drawings]

1 : 증기 발생 장치 2 : 증기라인1: Steam generator 2: Steam line

3 : 건조 장치 4 : 탄화 장치3: drying device 4: carbonization device

5 : 과열증기라인 6 : 증기연결라인5: superheated steam line 6: steam connection line

7 : 가스라인 8 : 응축장치7 gas line 8 condenser

9 : 냉각장치 10 : 과열증기 발생 장치9 cooling device 10 superheated steam generator

Claims (2)

증기를 발생시키는 증기 발생 장치(1); 상기 증기 발생 장치(1)에 연결된 두 가닥의 증기라인(2); 상기 하나의 증기라인(2)에 연결되고, 내부로 증기가 유입되어 배출되고, 외부에도 증기가 접촉되게 설치된 슬러지 건조 장치(3) 및 탄화 장치(4); 상기 다른 하나의 증기라인(2)에 연결되어 유입되는 증기를 가열하여 과열증기를 발생시키는 과열증기 발생 장치(10); 상기 과열증기 발생 장치(10)에 연결되어 상기의 탄화 장치(4) 내부로 과열증기를 공급하는 과열증기라인(5);을 포함하여 구성됨을 특징으로 하는, 하수 슬러지 건조 및 탄화 장치.A steam generator 1 for generating steam; Two strands of steam line 2 connected to the steam generator 1; A sludge drying apparatus 3 and a carbonization apparatus 4 connected to the one steam line 2 and installed with steam introduced and discharged therein, such that steam is also in contact with the outside; A superheated steam generator (10) connected to the other steam line (2) to heat the incoming steam to generate superheated steam; And a superheated steam line (5) connected to the superheated steam generator (10) for supplying superheated steam into the carbonization device (4); and comprising sewage sludge drying and carbonization apparatus. 제 1항에 있어서, 상기의 건조 장치(3)와 탄화 장치(4)의 사이에 증기연결라인(6)이 설치되고, 상기 증기연결라인(6)은 건조 장치(3)의 내부와 외부의 증기라인(2)이 건조 장치(3)를 거친 후 하나로 합쳐진 것이며, 증기연결라인(6)에 의해 다시 탄화 장치(4)에서 내부와 외부로 나뉘어져 증기가 공급됨을 특징으로 하는, 하수 슬러지 건조 및 탄화 장치.A steam connection line (6) is installed between the drying device (3) and the carbonization device (4), and the steam connection line (6) is formed inside and outside the drying device (3). Sewage sludge drying and steam characterized in that the steam line (2) is united after passing through the drying device (3), the steam is supplied by the steam connection line (6) divided into internal and external from the carbonization device (4). Carbonization unit.
KR1020090062109A 2009-07-08 2009-07-08 Apparatus for sludge drying and carbonization KR20110004601A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101226160B1 (en) * 2011-11-28 2013-01-24 김상묵 The disposal plant for organic waste such as sludge, and waste
CN106574820A (en) * 2014-06-17 2017-04-19 韩国技术有限公司 Apparatus for controlling steam pressure in apparatus for drying coal using reheat steam
CN110573816A (en) * 2017-02-13 2019-12-13 丹麦技术大学 Pulp drying apparatus, method for drying pulp and use of a pulp drying apparatus
KR20230081848A (en) * 2021-11-30 2023-06-08 한국에너지기술연구원 Bio-char production apparatus by using agricultural by-products for carbon storage

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101226160B1 (en) * 2011-11-28 2013-01-24 김상묵 The disposal plant for organic waste such as sludge, and waste
CN106574820A (en) * 2014-06-17 2017-04-19 韩国技术有限公司 Apparatus for controlling steam pressure in apparatus for drying coal using reheat steam
CN110573816A (en) * 2017-02-13 2019-12-13 丹麦技术大学 Pulp drying apparatus, method for drying pulp and use of a pulp drying apparatus
CN110573816B (en) * 2017-02-13 2021-06-22 丹麦技术大学 Pulp drying apparatus, method for drying pulp and use of a pulp drying apparatus
US11187458B2 (en) 2017-02-13 2021-11-30 Danmarks Tekniske Universitet Slurry drying plant, a method for drying slurry and use of a slurry drying plant
KR20230081848A (en) * 2021-11-30 2023-06-08 한국에너지기술연구원 Bio-char production apparatus by using agricultural by-products for carbon storage

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