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1. 发明专利

JPS5876185A SYSTEM FOR CONTROLLING AMOUNT OF MLSS IN ACTIVE SLUDGE PROCESS 失效
公开(公告)号：JPS5876185A
公开(公告)日：1983-05-09
申请号：JP17387181
申请日：1981-10-30
申请人： OGISHIMA YOSHIZUMI , YOSHIDA ETSURO , MITSUBISHI ELECTRIC CORP
发明人： OGISHIMA YOSHIZUMI , YOSHIDA ETSUROU , OSADA SHIYUNJI , HIROTSUJI JIYUNJI
IPC分类号： C02F3/12 , G05B11/32
摘要： PURPOSE:To hold the concentration of MLSS in an aerating cell at a preset value over a long time, by controlling the total amount of sludge staying in the aerating cell and the final precipitating pool on the basis of a value calculated from the concentration of MLSS in the aerating cell. CONSTITUTION:A signal detected by a densitometer 4 for MLSS in an aerating cell 1 is inputted to an arithmetic unit 9 to calculate the total amount ST of sludge in the system at said time. The output ST from the arithmetic unit 9 is inputted together with a set value for the total amount of sludge to a controller 11 for the total amount of sludge, and the output from the controller 11 for the total amount of sludge is inputted as an input for a set point to a controller 12 for withdrawing excess sludge. An excess sludge pump 14 is operated by the output from the controller 12 for withdrawing excess sludge, to control the amount of excess sludge to be withdrawn and to hold the total amount of sludge in the system constant. In addition to said operation, a flow valve 3 for returned sludge is operated to hold the concentration of MLSS (the total amount of active sludge) in the aerating cell 1 at the set point over a long time.

2. 发明专利

JPS5876193A SYSTEM FOR CONTROLLING TOTAL AMOUNT OF SLUDGE 失效
公开(公告)号：JPS5876193A
公开(公告)日：1983-05-09
申请号：JP17387981
申请日：1981-10-30
申请人： OGISHIMA YOSHIZUMI , YOSHIDA ETSURO , MITSUBISHI ELECTRIC CORP
发明人： OGISHIMA YOSHIZUMI , YOSHIDA ETSUROU , OSADA SHIYUNJI , YOTSUMOTO HATSUO , HIROTSUJI JIYUNJI
IPC分类号： C02F3/12 , G05B11/32
摘要： PURPOSE:To hold the total dry amount of sludge in the system at a predetermined value over a long time, by setting the amount of excess sludge to be withdrawn on the basis of the formula of material incoming and outgoing comprising the amount of sludge flowing into an aerating cell and the amount of sludge flowing out from the final precipitating pool. CONSTITUTION:Values measured by a densitometer 4 for SS of inflow water and a meter 5 for the amount of inflow sewage provided near the inlet of an aerating cell 1 are inputted to an arithmetic unit 6 to obtain the average of each measured value. Values measured by a densitometer 7 for SS of purified water and a meter 8 for the amount of purified water provided near the outlet of the final precipitating pool 2 are inputted to an arithmetic unit 9 to obtain the average of each measured value. The outputs of the arithmetic units 6, 9 are inputted to a deductor 10 to calculate incomings and outgoings and to output a set value for the amount of excess sludge to be withdrawn. Said output is applied to a circuit 14 for controlling the withdrawal of excess sludge, and an excess sludge-withdrawing pump 3 is operated to hold the total dry amount of sludge in the system constant.

3. 发明专利

JPS5876191A SYSTEM FOR OBSERVING TOTAL AMOUNT OF SLUDGE IN PROCESS OF PURIFYING SEWAGE WITH ACTIVE SLUDGE 失效
公开(公告)号：JPS5876191A
公开(公告)日：1983-05-09
申请号：JP17387781
申请日：1981-10-30
申请人： OGISHIMA YOSHIZUMI , YOSHIDA ETSURO , MITSUBISHI ELECTRIC CORP
发明人： OGISHIMA YOSHIZUMI , YOSHIDA ETSUROU , OSADA SHIYUNJI , MAEDA KAZUO , HIROTSUJI JIYUNJI
IPC分类号： C02F3/12
摘要： PURPOSE:To accurately grasp the total amount of sludge in the process of purifying sewage, by providing a circuit which calculates the total amount of sludge in the system from the amount of circulating sludge and the times of sludge staying in an aerating cell and the final precipitating pool. CONSTITUTION:From values measured by an MLSS meter 7 provided at the outlet of an aerating cell 1, a meter 3 for the amount of inflow sewage and a flow meter 4 for returned sludge, the amount of circulating sludge is calculated by the first arithmetic circuit 9. From values measured by the meter 3 for the amount of inflow sewage and the flow meter 4 for returned sludge, the time of sludge staying in the aerating cell 1 is calculated by the second arithmetic circuit 10. On the basis of the values measured by said meters 3, 4 and values measured by a flow meter 5 for excess sludge to be withdrawn and an SV meter 8 provided in the final precipitating pool 2, the time of sludge staying in the final precipitating pool is calculated by the third arithmetic circuit 11. On the basis of the outputs of said arithmetic circuits 9-11, the total amount of sludge is calculated by the forth arithmetic circuit 14. In addition, the fifth arithmetic circuit 13 to determine the amount of excess sludge to be withdrawn is added. According to this system, the total amount of sludge in the system can be accurately observed.

4. 发明专利

JPS5876189A SYSTEM FOR PURIFICATION OF WATER WITH ACTIVE SLUDGE 失效
公开(公告)号：JPS5876189A
公开(公告)日：1983-05-09
申请号：JP17387581
申请日：1981-10-30
申请人： OGISHIMA YOSHIZUMI , YOSHIDA ETSURO , MITSUBISHI ELECTRIC CORP
发明人： OGISHIMA YOSHIZUMI , YOSHIDA ETSUROU , HIROTSUJI JIYUNJI , MAEDA MITSUO , NAKAHORI ICHIROU , MAEDA KAZUO
IPC分类号： C02F3/12
摘要： PURPOSE:To stabilize the quality of purified water, while holding the total amount of sludge in the system at a predetermined value, in purifying sewage or the like, by setting the total amount of sludge at first, and using the set value and an estimated value for the total amount of sludge obtained from information at a specified point to set the amount of excess sludge to be withdrawn. CONSTITUTION:From the output of an MLSS meter 6 inserted into an aerating cell 1, the total amont of sludge is calculated by an arithmetic circuit 7 for the total amount of sludge. On the other hand, an estimated value for the total amount of sludge is calculated by an arithmetic circuit 8 taking into consideration the quality of water to be purified, the property of sludge, the amount of air blow and the amount of excess sludge to the withdrawn. The set value of the total amount of sludge from the arithmetic circuit 8 and the estimated value for the total amount of sludge from the arithmetic circuit 7 are inputted to an arithmetic circuit 9 to determine the amount of excess sludge to be withdrawn. In addition, the outputs of a flow meter 11 for excess sludge and a densitometer 10 for excess sludge are processed by an arithmetic unit 12 to calculate the actual amount of excess sludge to be withdrawn. The output of the arithmetic unit 12 and the output of the arithmetic circuit 9 are inputted to a controller 13 for withdrawing excess sludge, withdrawal is performed by the operation of an excess sludge-withdrawing pump 4, and the total amount of sludge is held constant.

5. 发明专利

JPS5876186A SYSTEM FOR CONTROLLING TOTAL AMOUNT OF SLUDGE 失效
公开(公告)号：JPS5876186A
公开(公告)日：1983-05-09
申请号：JP17387281
申请日：1981-10-30
申请人： OGISHIMA YOSHIZUMI , YOSHIDA ETSURO , TEZUKA SHIGEYOSHI , MITSUBISHI ELECTRIC CORP
发明人： OGISHIMA YOSHIZUMI , YOSHIDA ETSUROU , TEZUKA SHIGEYOSHI , OSADA SHIYUNJI , HIROTSUJI JIYUNJI
IPC分类号： C02F3/12 , G05B11/32
摘要： PURPOSE:To hold the total dry amount of sludge in the system at a predetermined value over a long time, by calculating an objective value for the amount of excess sludge to be withdrawn on the basis of the average value of MLSS in an aerating cell, comparing it with an actual amount to be withdrawn, and controlling the amount to be withdrawn. CONSTITUTION:A value measured by an MLSS meter 6 provided at the outlet of an aerating cell 1 is inputted to an arithmetic unit 7 to obtain its average value. The average MLSS value is PID-calculated by an arithmetic unit 8 to calculate the amount of excess sludge to be withdrawn in the proper intervals of controlling. An output from the arithmetic unit 8 is added to a constant by an arithmetic unit 9, and its result is applied as an objective value for the amount of excess sludge to be withdrawn to a controller 11 at every cycle of controlling. The actual amount of excess sludge to be withdrawn is obtained by an arithmetic unit 10 and compared with an objective amount by the controller 11 to dispatch a signal for starting or stopping an excess sludge pump 3. According to the system of this kind, the total dry amount of sludge in the system can be held at a predetermined value over a long time by the simplified constitution.

6. 发明专利

JPS59228914A DEVICE FOR CONTROLLING FILTRATION RATE OF VACUUM DEHYDRATOR 失效
公开(公告)号：JPS59228914A
公开(公告)日：1984-12-22
申请号：JP10511883
申请日：1983-06-13
申请人： NAKAMORI HITOSHI , MITSUBISHI ELECTRIC CORP
发明人： NAKAMORI HITOSHI , HIROTSUJI JIYUNJI , YOTSUMOTO HATSUO , NAKATSUGAWA NAOKI
IPC分类号： B01D33/048 , B01D37/04 , G05D13/00 , B01D33/14
摘要： PURPOSE:To dehydrate stably by adjusting the predetermined filtration rate of the filtrate, etc. from the concn., etc. of the supply sludge, and controlling the revolving speed of a vacuum dehydrator by using the adjusted value and the calculated value of the filtration rate. CONSTITUTION:The flow rates of the filtrate and the washing water are obtained respectively from flowmeters 4a and 5a, and the filtration rate Rv of the filtrate is calculated with an arithmetic unit 6. And the adjusted value Rv* of the refernce set value Rv** of the filtration rate is calculated in an arithmetic unit 11 from the reference set value Rv** from a setting device 8 and the concn. (s) of the supply sludge from a densitometer 3b by using the equation Rv*=S1/ 2.Rv** to obtain a signal S11. In addition, the revolving speed of the drum is regulated with a regulator 7 by using the equation N=N*+G1(Rv-Rv*), where N* is the desired value of the number of revolutions of said drum of a vacuum dehydrator 1 from a setting device 9, and G1 is the gain of the regulator 7. The signal S1 from a speedometer 1a of said drum and the signal S7 from the regulator 7 are used in a regulator 10 to control and to regulate the revolving speed of a motor 1b with the signal S10.

7. 发明专利

JPS59228908A DEVICE FOR CONTROLLING FILTRATION RATE OF VACUUM DEHYDRATOR 失效
公开(公告)号：JPS59228908A
公开(公告)日：1984-12-22
申请号：JP10511283
申请日：1983-06-13
申请人： ONO SUNAO , NAKAMORI HITOSHI , MITSUBISHI ELECTRIC CORP
发明人： OONO SUNAO , NAKAMORI HITOSHI , NAKAHORI ICHIROU , TANAKA HISAO , HIROTSUJI JIYUNJI
IPC分类号： B01D33/048 , B01D37/04 , G05D13/00 , B01D33/14
摘要： PURPOSE:To dehydrate stably by controlling the revolving speed of a dehydrator so that the filtration ratio of the dehydrator, calculated from the flow rate and concn. of the supply sludge and the flow rate and concn. of the filtrate, may be fixed. CONSTITUTION:The flow rate and concn. of the supply sludge and the flow rate and concn. of the filtrate are measured respectively with a supply sludge flowmeter 5, a supply sludge densitometer 8, a filtrate flowmeter 7, and a filtrate densitometer 15, and the filtration rate of the dry cake is calculated with an arithmetic unit 9 on the basis of the signals. And the filtration rate is controlled and fixed by comparing the set value set by a manual setting device 13a with the filtration rate value obtained by the arithmetic unit 9 in a regulator 10, and controlling the revolving speed of a driving motor 11, i.e. that of the drum of the dehydrator, in accordance with the difference.

8. 发明专利

JPS59213500A Temperature controlling device for sludge digestion tank 失效
标题翻译：用于泥浆消毒罐的温度控制装置
公开(公告)号：JPS59213500A
公开(公告)日：1984-12-03
申请号：JP8680783
申请日：1983-05-16
申请人： Mitsubishi Electric Corp
发明人： TANAKA HISAO , HONDA TOSHIICHI , HIROTSUJI JIYUNJI
IPC分类号： C02F11/04 , G05B11/32
CPC分类号： Y02E50/343
摘要： PURPOSE: To control a fuel feed valve so as to maintain the temp. in a digestion tank always at a set value by correcting measured value of temp. of charged sludge and operated value of the heat amt. necessary for heating the digestion tank using an output signal generated by a temp. controller of a boiler.
CONSTITUTION: Necessary heat amt. for heating a digestion tank 1 is operated by an operator 23 for necessary heat amt. for the digestion tank 1 from the temp. and flow rate of charged sludge to the digestion tank 1 measured by a charged sludge thermometer 21 and charged sludge flowmeter 22. Then, a necessary amt. of fuel feed for heating hot water in a heating boiler 3 is operated, and necessary referential opening of a fuel feed valve 5 is operated by a feed- forward operator 24. The opening of the fuel feed valve 5 is controlled to a sum obtd. by adding with an adder 25 a feedback amt. from the boiler temp. controller 7 to the referential opening of the fuel feed valve obtd. by operating the operator 24.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：控制燃料供给阀，以保持温度。在消化池中，通过校正温度的测量值，始终处于设定值。的电荷污泥和热量的操作值。使用由温度产生的输出信号来加热消化槽所必需的。锅炉控制器构成：必要的热量用于加热消化槽1由操作者23操作以获得必要的热量。用于消化槽1的温度。以及通过带电污泥温度计21和带电污泥流量计22测量的向消化槽1输送的污泥的流量。用于在加热锅炉3中加热热水的燃料供给被操作，并且由前馈操作器24操作燃料供给阀5的必需的参照打开。燃料供给阀5的打开被控制为总和。通过加法器25加上反馈信号。从锅炉温度控制器7到燃料供给阀的参考打开。通过操作操作器24。

9. 发明专利

JPS59186700A Water and sewage treating system 失效
标题翻译：水和地下水处理系统
公开(公告)号：JPS59186700A
公开(公告)日：1984-10-23
申请号：JP6252883
申请日：1983-04-08
申请人： Mitsubishi Electric Corp
发明人： MAEDA MITSUO , HIROTSUJI JIYUNJI , HONDA TOSHIICHI , TANAKA HISAO , NAKAHORI ICHIROU
IPC分类号： C02F3/12 , C02F11/04
CPC分类号： Y02E50/343 , Y02W10/15
摘要： PURPOSE: To stabilize the electric energy to be generated and to stabilize the utilization of electric power and waste heat on account of such stabilization by controlling the amt. of the activated sludge existing in an activated sludge process in such a way that the electric energy to be generated by gas attains a preset value.
CONSTITUTION: A treating system for water and sewage is constituted of an aerating tank 10, an air diffuser 11, a final settling basin 12, a mechanical thickener 13 for excess sludge, an information processing unit 14 for the water treating process, a control device 15 relating to the total amt. of activated sludge, a calculator 16 for information on driving powder, a setter 17 for power generating quantity, a manual setter 18 relating to the total amt. of sludge and a blower 19. The stabilization of the electric energy to be generated by digester gas is accomplished by adjusting the set value for the method of controlling the amt. of the sludge in the activated sludge process according to the difference between the predetermined electric energy to be generated and the present electric energy to be generated.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：通过控制电力，稳定电能，稳定电力和废热的利用。的活性污泥工艺中存在的活性污泥，使得由气体产生的电能达到预设值。构成：水和污水处理系统由充气罐10，空气扩散器11，最终沉降池12，用于过量污泥的机械增稠器13，用于水处理过程的信息处理单元14，控制装置 15关于总计。的活性污泥，用于驱动粉末的信息的计算器16，用于发电量的设定器17，与总体相关的手动设定器18。的污泥和鼓风机19.由蒸煮器气体产生的电能的稳定通过调节控制方法的设定值来实现。根据要生成的预定电能与要产生的当前电能之间的差异，在活性污泥工艺中的污泥。

10. 发明专利

JPS60174950A MONITOR FOR CONCENTRATION OF SEWAGE ORGANIC MATTER 失效
公开(公告)号：JPS60174950A
公开(公告)日：1985-09-09
申请号：JP3019684
申请日：1984-02-22
申请人： MITSUBISHI ELECTRIC CORP
发明人： HIROTSUJI JIYUNJI
IPC分类号： G01N33/18
摘要： PURPOSE:To enable a practicable monitoring at a high accuracy by determining seasonal changes in the rate of organic matters in a solid matter empolying factors relatively easy to measure, such as atomospheric temperature or sludge temperature. CONSTITUTION:The concentration of a solid matter is obtained from a signal line 1s as outpt of a densitometer 1 for solid matters. The sludge temperature is obtained from a signal line 5s as output of a thermometer 5 for sludge. The two outputs are connected to an arithmetic unit 2 and the computed value, namely, the concentration of the organic matter is displayed on a CRT4 through a signal line 2s.

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