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1. 发明专利

JPH0842969A SLUDGE DRYING DEVICE 失效
公开(公告)号：JPH0842969A
公开(公告)日：1996-02-16
申请号：JP19745594
申请日：1994-07-28
申请人： MARUKIN SATO ZOSEN TEKKOSHO KK , MITSUBISHI NAGASAKI MACH CO
发明人： HONDA KENJI , SATO TSUNEYOSHI , HIRAYAMA AKIRA , TOFUJI YOSHINORI , MORIKAWA NOBUYOSHI
IPC分类号： F26B17/32 , B01D53/38 , B01D53/81 , C02F11/12 , F26B21/00
摘要： PURPOSE:To make a deodorizing furnace unnecessary, contrive the miniaturization of a cyclone by treating only the water vapor of sludge and make it hard to burn sludge under drying through indirect heating by a method wherein the indirect heating drying treatment of sludge, containing much moisture, is effected by the high-temperature gas of a heat gas generating device and water vapor, containing the bad smell constituents of the sludge, is treated by the combustion in the heat gas generating device so as to cause no public pollution. CONSTITUTION:The main body 41 of a drying machine is provided with a sludge drying chamber and a heat gas heating chamber 60a, partitioned into each chambers, the discharging port 19 of water vapor in sludge is provided at the outlet port of the sludge drying chamber, a heat gas generating device 12, supplying heated gas to the heated gas heating chamber 60a, is provided, a water vapor passage 27, for throwing water vapor evaporated from the sludge into the heated gas generating device to burn it in the same device, is arranged and one end side of the water vapor passage 27 is connected to the water vapor discharging port 19 while the other end side of the water vapor passage 27 is connected to the throwing port 27 of water vapor into a hot air furnace.

2. 发明专利

JPH0861856A SLUDGE DRYING SYSTEM, ITS BURNING METHOD, DRYING COMBUSTION GAS TEMPERATURE CONTROL SYSTEM, ITS DRYING METHOD AND DRYING PRETREATMENT SYSTEM 失效
公开(公告)号：JPH0861856A
公开(公告)日：1996-03-08
申请号：JP22587094
申请日：1994-08-27
申请人： MITSUBISHI NAGASAKI MACH CO , MARUKIN SATO ZOSEN TEKKOSHO KK
发明人： TOFUJI YOSHINORI , MORIKAWA NOBUYOSHI , SONODA AKIRA , HONDA KENJI , HIRAYAMA AKIRA
IPC分类号： F26B17/32 , B01D53/38 , B01D53/74 , B09B3/00 , C02F11/12 , F26B21/00 , F26B21/10 , F26B23/02 , F26B25/00
摘要： PURPOSE: To perform a complete combustion of gas, deodoring, contrive to eliminate pollution, and perform an effective utilization of organic material contained in sludge by a method wherein drying mixture hot gas is supplied to a primary drying chamber and a secondary drying chamber with its temperature being decreased to a value less than an igniting temperature of organic material and drying discharged gas containing water vapor with a low temperature and a high concentration including bad odor substances is oxidized by a hot gas generating device. CONSTITUTION: A part of pre-heated air enters a drying combustion gas and heating air mixing gas line G. The air is mixed with hot gas of middle or low temperature and becomes a drying mixed hot gas and then enters a primary drying chamber 1h and a secondary drying chamber 1i. At this time, this drying mixture hot gas is decreased in its temperature down to a temperature in which organic material is not ignited. In turn, items to be dried comprised of sludge passes through a dried item supplying line J and enters the primary drying chamber 1h. Then, the item is semi-dried with drying mixture hot gas, extracted, enters the secondary drying chamber 1i, is dried and then is discharged. Dried discharged of water vapor containing bad odor substances gasified from the items to be dried passes through a drying discharged gas line H, is oxidized at a hot gas generating device and the gas is completely ignited and its odor is removed.

3. 发明专利

JPH08121735A SLUDGE DRYING, INCINERATING AND MELTING TREATMENT SYSTEM AND COMBUSTION AND MELTING TREATMENT METHOD THEREOF AND DIFFERENTIAL PRESSURE CONTROL SYSTEM 失效
公开(公告)号：JPH08121735A
公开(公告)日：1996-05-17
申请号：JP28732694
申请日：1994-10-26
申请人： MITSUBISHI NAGASAKI MACH CO , MARUKIN SATO ZOSEN TEKKOSHO KK
发明人： HONDA KENJI , SATO TSUNEYOSHI , HIRAYAMA AKIRA , TOFUJI YOSHINORI , MORIKAWA NOBUYOSHI
IPC分类号： F23G5/00 , B01D53/38 , B01D53/74 , B09B3/00 , C02F11/00 , C02F11/12 , F23G5/04 , F23G5/16 , F23G7/00 , F26B21/00
摘要： PURPOSE: To dry and burn moisture in sludge safely without providing any public pollution, smoothen the smelting of molten ash, facilitate the outflow of the same, permit the regulation of solidifying and granuating after outflow, and contrive reutilization. CONSTITUTION: A dryer 1, drying by inert gas, a sludge burning and melting furnace 11, burning organic substances in sludge and melting inorganic substances, are provided while a smelt take-out port 78 is provided on the bottom of the furnace 11. A sludge drying, burning and melting treatment system is provided with a paper extracting line, provided in a sludge recovering seal tank, a secondary combustion furnace 20, burning unburnt organic substances completely, a drain injection nozzle 23, faced toward the inside of the furnace, the main body 25 of convection heat transfer unit, the storage tank 61 of inert gas for drying, a drying medium gas heater 28, provided on the half way of an inert gas supplying passage from the storage tank 61 to the dryer 11 and arranged in the main body 25 of convection heat transfer unit, and an exhaust gas scrubber 38, removing public pollutant contained in the exhaust gas of combustion, which is discharged through the main body 25 of convection heat transfer unit.

4. 发明专利

JPH1038234A THERMAL DECOMPOSITION AND INCINERATION UNIT 失效
公开(公告)号：JPH1038234A
公开(公告)日：1998-02-13
申请号：JP21434696
申请日：1996-07-24
申请人： NAGASAKI PREFECTURE , MARUKIN SATO ZOSEN TEKKOSHO KK , MITSUBISHI NAGASAKI MACH CO
发明人： HONDA KENJI , HIRAYAMA AKIRA , HAYASHI KENJIRO , TOFUJI YOSHINORI , MIURA YUKIO , MORIKAWA NOBUYOSHI
IPC分类号： F23M5/00 , F23G5/00 , F23G5/027 , F23G5/14 , F23G5/16 , F23G5/44 , F23G5/48 , F23G7/12 , F23J15/04 , F23J15/06 , F23M5/08
摘要： PROBLEM TO BE SOLVED: To unify the equipment and the operation, to improve the economy, and to improve the durability of the equipment by dividing the inside of a furnace into the thermal decomposition zone, the gas combustion zone, the secondary combustion zone, and the surface combustion zone to realize a furnace body of integrated structure type. SOLUTION: An inside part of a furnace of a thermal decomposition incinerator body 6 is divided into the thermal decomposition zone 6A, the gas combustion zone 6B, the secondary combustion zone 6C, and the surface combustion zone 6D. The thermal decomposition zone 6A and the gas combustion zone 6B are continuously located in a horizontal part, and the secondary combustion zone 6C and the surface combustion zone 6D are located in upper and lower parts continuously in the vertical direction. In the inside part of the furnace of the thermal decomposition incinerator body 6, the combustion control is performed by the air compartment group, and the consistent incineration can be performed in series singly in the furnace from the charge of the stuff to be burned to the discharge of ash.

5. 发明专利

JPH0861852A SLUDGE DRYING DEVICE 失效
公开(公告)号：JPH0861852A
公开(公告)日：1996-03-08
申请号：JP21787694
申请日：1994-08-18
申请人： MARUKIN SATO ZOSEN TEKKOSHO KK , MITSUBISHI NAGASAKI MACH CO
发明人： HONDA KENJI , SATO TSUNEYOSHI , HIRAYAMA AKIRA , TOFUJI YOSHINORI , MORIKAWA NOBUYOSHI
IPC分类号： F26B17/32 , B01D53/38 , B01D53/74 , B09B3/00 , C02F11/12
摘要： PURPOSE: To improve a heat exchanging rate by a method wherein a main body of a drying machine is of a triple cylindrical structure, a sludge drying chamber performs an indirect radiation and heat transfer with hot gas at an outside of an inner cylinder and an inside of an outer cylinder and a gas flow drying is applied with the high temperature air being applied as a transporting medium within the sludge drying chamber. CONSTITUTION: A main body 4 of a drying machine is comprised of a triple cylindrical member. A sludge drying chamber 5 at an intermediate part where sludge and transporting air pass is provided with an air blowing device lance tube in a longitudinal and axial direction of a cylinder. As a heat exchanging operation between hot gas and mud sludge fed into the main body 4 of the drying machine from a hot gas generating furnace 14 through a heat exchanger 20, an indirect heating system only with radiation and heat transfer is employed. At the sludge drying chamber 5, secondary air of high temperature indirectly heated with the heat exchanger 20 is utilized as air flow drying and transporting medium. Water vapour having bad odor substances which are dried and gasified is circulated and mixed at a high temperature part of the hot gas generating furnace 14 together with medium air. With such an arrangement as above, bad odor substances are oxidized at high temperature and changed into non-polluted state.

6. 发明专利

JPH05180403A EXHAUST HEAT COLLECTION DEVICE 失效
公开(公告)号：JPH05180403A
公开(公告)日：1993-07-23
申请号：JP35697491
申请日：1991-12-25
申请人： MITSUBISHI HEAVY IND LTD , MARUKIN SATO ZOSEN TEKKOSHO KK
发明人： HONDA KENJI , HIRAYAMA AKIRA
IPC分类号： F22B1/18 , F22B37/22 , F22B37/40 , F24H1/18 , F28D7/08
摘要： PURPOSE:To avoid the fluctuations in the water level in a drum or burning of a heat exchanger element by dividing a heat exchanger chamber into a plurality of chambers and laying out the heat exchanger element in an elevation below the water level of a steam separator drum. CONSTITUTION:The interior of a heat exchanger chamber 1 is divided into chambers 22 and 23 by means of a partitioning wall 21. An inlet duct 3 is installed to one chamber so as to introduce an exhaust gas while an outlet duct 6 is installed to the other chamber so as to discharge the exhaust gas. It is arranged that the exhaust gas be discharged after having heat-exchanged with a heat exchanger element 2 in each divided chamber one after another. Furthermore, the heat exchanger element 2 is laid out in such a fashion that it may be positioned in an elevation below the water level. of a steam separator 12. Since the heat exchanger element 2 is always positioned below the water level of the steam separator drum 12, it is possible to minimize the fluctuations in a weight of the steam separator 12 when starting or halting the operation. Furthermore, this construction makes it possible to maintain the steam separator drum which is constantly filled with boiler water and hence protect the heat exchanger element 2 from burning.

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