CN104007671A - Method for automatically switching operation state of biological sewage inactivation tank - Google Patents
Method for automatically switching operation state of biological sewage inactivation tank Download PDFInfo
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- CN104007671A CN104007671A CN201310145999.4A CN201310145999A CN104007671A CN 104007671 A CN104007671 A CN 104007671A CN 201310145999 A CN201310145999 A CN 201310145999A CN 104007671 A CN104007671 A CN 104007671A
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- inactivation
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Abstract
The invention discloses a method for automatically switching the operation state of a biological sewage inactivation tank, and belongs to the field of sewage treatment. The method is applicable to automatic inactivation of biological sewage produced in animal vaccine production. A biological sewage inactivation system to which the method is applied comprises a sewage collecting tank used for collecting sewage, two inactivation tanks and a connecting device. The sewage collecting tank and the inactivation tanks are respectively equipped with a liquid level sensor. The sewage collecting tank has three liquid level states: 'low', 'medium' and 'high'. The inactivation tanks have two liquid level states: 'low' and 'high'. The inactivation tanks have three working states: 'sewage inlet', 'inactivation' and 'idle'. The follow-up working state of the inactivation tanks is switched according to the liquid level state of the sewage collecting tank, the liquid level state of the inactivation tanks, and the current working state of the inactivation tanks. Full-automatic operation of the sewage inactivation system can be realized, no manual operation is needed in the process, and the automatic operation efficiency of the system is improved.
Description
Technical field
The invention belongs to sewage treatment area, relate to a kind of running status automatic switching method of biological sewage deactivation tank.
Background technology
In biological sewage, usually contain various pathogenic microorganisms, as: bacterium, virus, parasite etc., have very large harmfulness.The feature of sewage is that complicated component, organic content are high, toxicity is large, colourity is dark and salt content is high, needs to process through sterilization, after pathogen kill, just can enter urban sewage treatment system.Along with the development of China's medical industry, pharmacy sewage becomes one of important pollution source gradually, and how processing such sewage is a difficult problem of current environmental protection.
In recent years, when processing biological sewage, the high-temperature boiling sterilization methods that adopt are killed various virus more, and heating agent is industrial steam.Sterilization method is: biological sewage is collected into sewage collecting pool through special-purpose drainage pipeline, through sewage pump, pump into deactivation tank, when deactivation tank liquid level reaches preset height, beginning is led to steam in deactivation tank, make sewage be warming up to setting value and insulation, bacterium, virus, parasite etc. in sewage are all killed, then to the logical chilled water of deactivation tank chuck, by the sewage processing of lowering the temperature, equitemperature is down to after preset value sewage discharge to plant of water disposal.
The sewage quantity that needs deactivation in the different phase of producing sometimes less, sometimes many, in order and sewage to be carried out to deactivation, do not waste energy again, conventionally adopt a sewage collecting pool to join the pattern of two deactivation tanks.In use, need according to the running status of collecting sewage situation adjustment deactivation tank: single operation, rotation operation, operation simultaneously etc.Current inactivation system needs manual intervention operation, and automatization level is lower, and dirigibility is not strong, cannot carry out automatically the switching of deactivation tank running status according to actual conditions.
Summary of the invention
For above problem, for can be efficiently, flexibly, safely biological sewage is carried out to deactivation, the invention provides a kind of running status automatic switching method of biological sewage deactivation tank.
The gordian technique scheme that patent of the present invention adopts is: sewage inactivation system comprises that one for collecting the sewage collecting pool of sewage, two sewage deactivation tanks that are associated, sewage collecting pool and deactivation be canned liquid level sensor, and sewage collecting pool fluid level condition has three kinds: " low ", " in ", " height "; Deactivation tank has fluid level condition two kinds of " low ", " height "; Deactivation tank duty has three kinds: " entering dirt ", " deactivation ", " free time ".This method is according to sewage collecting pool liquid status position, deactivation tank fluid level condition and deactivation tank work at present state, the running status of automatic switchover deactivation tank.
(1), when sewage collecting pit level is " low ", " suspending into dirt " zone bit is now set.
(2) when sewage collecting pit level be " in " time, now remove " suspending into dirt " zone bit; And then the work at present state of judgement deactivation tank, when tank one current state is non-" entering dirt " for " free time " and tank two current states, switching tank one state is " entering dirt "; When tank one current state is non-" entering dirt " and tank two current states during for " free time ", switching tank two-state is " entering dirt ".
(3) when sewage collecting pit level is " height ", first to the too high warning reminding of carrying out of sewage collecting pit level; And then the work at present state of judgement deactivation tank, when tank one current state is " free time ", switching tank one state is " entering dirt "; When tank two current states are " free time ", switching tank two-state is " entering dirt ".
(4) when tank one current state is for " entering dirt " and tank liquid level during for " height ", switching tank one state is " deactivation "; When tank two current states are for " entering dirt " and tank liquid level during for " height ", switching tank two-state is " deactivation ".
(5) when tank one state is current while blowing down to " low " for " deactivation " and tank liquid level, switching tank one state is " free time "; When tank two current states blow down to " low " for " deactivation " and tank liquid level, switching tank two-state is " free time ".
The present invention considers sewage collecting pit level in sewage inactivation system, deactivation tank liquid level and the current running status of deactivation tank, the running status of two sewage deactivation tanks is associated, make two deactivation tanks of system in the most applicable running status when precondition, there is the highest operational efficiency.And adopt this method can make whole system operational process automatically carry out, and do not need human intervention, realize higher automatization level.
Accompanying drawing explanation
Fig. 1 is the running status automatic switchover sketch of biological sewage deactivation tank.
Fig. 2 is the running status automatic switchover process flow diagram of biological sewage deactivation tank.
Fig. 3 is biological sewage inactivation system equipment drawing.
In Fig. 3, number 1 for sewage collecting pool liquid level sensor, 2 and 3 is deactivation tank level indicator, 4 and 5 is deactivation pressure tank sensor, 6 and 7 is deactivation tank temperature sensor, and 8 for entering sewage pump, and 9 and 10 for entering chuck chilled water, 11 and 12 for going out chuck chilled water, 13 and 14 is the sewage discharge of deactivation tank, and 15 is that deactivation tank one, 16 is deactivation tank two.Numbering K1 is into the pneumatic main valve of pressurized air, K2 is into the total solenoid valve of steam, K3, K10 are into sewage pneumatic valve, K4, K11 are into steam electromagnetic valve, K5, K12 are into pressurized air pneumatic valve, and K6, K13 are respirator solenoid valves, and K7, K14 are chilled water telegram in reply magnet valves, K8, K15 are into chilled water solenoid valve, K9, K16 deactivation tank blowdown pneumatic valve.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
Sewage deactivation Control System Software mainly comprises data acquisition subroutine, state switching subroutine, enters dirty subroutine, deactivation control subroutine, the blowdown control subroutine controlled, and wherein deactivation control subroutine comprises deactivation intensification, deactivation insulation and deactivation cooling three phases.
(1) startup system, now system executing data gathers subroutine, gathers collecting pit liquid level signal, deactivation tank liquid level signal, temperature signal, pressure signal.
(2) according to the liquid level signal collecting, carry out the running status automatic switchover subroutine of biological sewage deactivation tank, embodiment is:
1), when sewage collecting pit level is " low ", now state switches subroutine setting and " suspends into dirt " zone bit.
2) when sewage collecting pit level be " in " time, now remove " suspending into dirt " zone bit; And then the work at present state of judgement deactivation tank, when tank one current state is non-" entering dirt " for " free time " and tank two current states, switching tank one state is " entering dirt "; When tank one current state is non-" entering dirt " and tank two current states during for " free time ", switching tank two-state is " entering dirt ".
3) when sewage collecting pit level is " height ", first to the too high warning reminding of carrying out of sewage collecting pit level; And then the work at present state of judgement deactivation tank, when tank one current state is " free time ", switching tank one state is " entering dirt "; When tank two current states are " free time ", switching tank two-state is " entering dirt ".
4) when tank one current state is for " entering dirt " and tank liquid level during for " height ", switching tank one state is " deactivation "; When tank two current states are for " entering dirt " and tank liquid level during for " height ", switching tank two-state is " deactivation ".
5) when tank one state is current while blowing down to " low " for " deactivation " and tank liquid level, switching tank one state is " free time "; When tank two current states blow down to " low " for " deactivation " and tank liquid level, switching tank two-state is " free time ".
(3) enter the dirty subroutine of controlling: tank one or tank two-state, for " entering dirt ", start into sewage pump 8, and open tank one or tank two enters dirty pneumatic valve K3 or K10 simultaneously; In this phase process, only have when sewage collecting pit level is " low ", just can stop into dirt, " suspending into dirt " zone bit is set, forbid starting into sewage pump 8, forbid opening into sewage pneumatic valve K3, K10.
(4) subroutine is controlled in deactivation: the tank one of take describes as example, when deactivation tank one state is " deactivation ", automatically close the normally open solenoid valve K6 on deactivation tank respirator, open into steam main valve K2, that opens deactivation tank one enters steam electromagnetic valve K4 simultaneously, and now deactivation tank one is in entering the steam temperature rise period; When detecting when tank temperature reaches 121 ℃ for the first time, start timing, system enters deactivation holding stage, maintains 121 ℃, and is incubated 30 minutes; After insulation finishes, enter temperature-fall period, open chilled water and enter solenoid valve K8 and chilled water telegram in reply magnet valve K7, in deactivation tank chuck, lead to chilled water.In deactivation tank, sewage is cooled to lower than 40 ℃, shut electromagnetic valve K8 and K7, and temperature-fall period finishes.
(5) blowdown subroutine: the tank one of take describes as example, opens blowdown pneumatic valve K9, opens into pressurized air main valve K1 and deactivation tank one simultaneously and enters pressurized air pneumatic valve K5, by logical pressurized air in deactivation tank, accelerates sewage discharge speed; When sewage level reaches low in deactivation tank, after the time delay of setting, close blowdown pneumatic valve K9 and enter pressurized air main valve K1 and deactivation tank one enters pressurized air pneumatic valve K5, open the normally open solenoid valve K6 on deactivation tank respirator.So far, an inactivation technology flow process finishes.
Life of the present invention can make sewage inactivation system realize fully automatic operation, does not need the artificial operation of going in process, improves automated system operation efficiency.
Be more than preferred embodiment of the present invention, not the present invention done to any pro forma restriction, every foundation technical spirit of the present invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all belongs in the scope of invention technical scheme.
Claims (5)
1. a running status automatic switching method for biological sewage deactivation tank, sewage inactivation system comprises that one for collecting the sewage collecting pool of sewage, two sewage deactivation tanks that are associated.It is characterized in that, according to sewage collecting pool fluid level condition (" low ", " in ", " height "), deactivation tank fluid level condition (" low ", " height ") and deactivation tank work at present state (" free time ", " entering dirt ", " deactivation ") switch two duties that deactivation tank is follow-up.
2. a kind of running status automatic switching method of biological sewage deactivation tank according to claim 1, is characterized in that, when sewage collecting pit level is " low ", " suspending into dirt " state flag bit is set; When sewage collecting pit level be " in " time, remove " suspending into dirt " zone bit.
3. a kind of running status automatic switching method of biological sewage deactivation tank according to claim 1, it is characterized in that, when sewage collecting pit level be " in " time, when tank one current state is non-" entering dirt " for " free time " and tank two current states, switching tank one state is " entering dirt "; When tank one current state is non-" entering dirt " and tank two current states during for " free time ", switching tank two-state is " entering dirt ".
4. a kind of running status automatic switching method of biological sewage deactivation tank according to claim 1, is characterized in that, when sewage collecting pit level is " height ", when tank one current state is " free time ", switching tank one state is " entering dirt "; When tank two current states are " free time ", switching tank two-state is " entering dirt ".
5. a kind of running status automatic switching method of biological sewage deactivation tank according to claim 1, is characterized in that, when deactivation tank current state is for " entering dirt " and tank liquid level during for " height ", deactivation tank state switches to " deactivation "; When deactivation tank current state is " deactivation " state and tank liquid level during for " low ", deactivation tank state switches to " free time ".
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310145999.4A CN104007671B (en) | 2013-04-23 | 2013-04-23 | A kind of biological sewage inactivates the running status automatic switching method of tank |
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| CN201310145999.4A CN104007671B (en) | 2013-04-23 | 2013-04-23 | A kind of biological sewage inactivates the running status automatic switching method of tank |
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| CN104007671A true CN104007671A (en) | 2014-08-27 |
| CN104007671B CN104007671B (en) | 2017-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858762A (en) * | 2016-06-21 | 2016-08-17 | 湖北恒丰医疗制药设备有限公司 | Biological wastewater inactivation system |
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| KR20110019912A (en) * | 2009-08-21 | 2011-03-02 | 장동원 | A drain method and a drain treatment apparatus |
| CN102173473A (en) * | 2011-03-08 | 2011-09-07 | 山东新华医用环保设备有限公司 | High-temperature steam biological wastewater inactivation system |
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2013
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1379566A (en) * | 1970-12-15 | 1975-01-02 | Waertsilae Oy Ab | Vacuum sewage system |
| CN201190131Y (en) * | 2008-02-01 | 2009-02-04 | 北京瑞事达科技发展中心有限责任公司 | Continuous waste water treatment system with active virus |
| CN201372232Y (en) * | 2008-11-28 | 2009-12-30 | 北方利德(北京)化工科技有限责任公司 | Fully-automatic small anaerobic-aerobic sewage processing system |
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| JP2009114855A (en) * | 2009-03-05 | 2009-05-28 | Sekisui Chem Co Ltd | Vacuum station |
| KR20110019912A (en) * | 2009-08-21 | 2011-03-02 | 장동원 | A drain method and a drain treatment apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105858762A (en) * | 2016-06-21 | 2016-08-17 | 湖北恒丰医疗制药设备有限公司 | Biological wastewater inactivation system |
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Effective date of registration: 20200819 Address after: 518000 Baoan District Xin'an street, Shenzhen, Guangdong, No. 625, No. 625, Nuo platinum Plaza, Patentee after: SHENZHEN SHANGGE INTELLECTUAL PROPERTY SERVICE Co.,Ltd. Address before: 214122 Jiangsu Province, Wuxi City Lake Road No. 1800, Jiangnan University Patentee before: Jiangnan University Effective date of registration: 20200819 Address after: 313000 1-C, building 1, No. 656, Qixing Road, high tech Zone, Wuxing District, Huzhou City, Zhejiang Province Patentee after: Huzhou xinbeilian Network Technology Co.,Ltd. Address before: 518000 Baoan District Xin'an street, Shenzhen, Guangdong, No. 625, No. 625, Nuo platinum Plaza, Patentee before: SHENZHEN SHANGGE INTELLECTUAL PROPERTY SERVICE Co.,Ltd. |