CN102173473B - High-temperature steam biological wastewater inactivation system - Google Patents
High-temperature steam biological wastewater inactivation system Download PDFInfo
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- CN102173473B CN102173473B CN 201110054528 CN201110054528A CN102173473B CN 102173473 B CN102173473 B CN 102173473B CN 201110054528 CN201110054528 CN 201110054528 CN 201110054528 A CN201110054528 A CN 201110054528A CN 102173473 B CN102173473 B CN 102173473B
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Abstract
The invention relates to a high-temperature steam biological wastewater inactivation system, and belongs to the field of high-temperature steam inactivation devices. The high-temperature steam biological wastewater inactivation system comprises a wastewater containing device, a storage tank and inactivation tanks which are connected in series through pipelines, wherein the inactivation tanks are provided with a steam discharge pipe and an inactivation drainage pipe. The high-temperature steam biological wastewater inactivation system is characterized in that: an outlet at the bottom of the storage tank is respectively communicated with the two inactivation tanks by connecting pipes; the inactivation tanks are provided with clamping sleeves; the input end of each clamping sleeve is connected with a saturated steam generator by a steam inlet pipe, and the output end of each clamping sleeve is provided with a clamping sleeve steam discharge pipe; a water inlet pipe, a connecting pipe anda steam discharge pipe of the storage tank and the steam inlet pipe, the clamping sleeve steam discharge pipe and an extinguishment drainage pipe of the inactivation tanks are provided with an air-operated valve respectively, and all air-operated valves are connected with a control device; and the control device is used for controlling the two inactivation tanks to run in a batch mode by controlling switches of the air-operated valves. The high-temperature steam biological wastewater inactivation system can realize the batch-type treatment of wastewater, is flexible in control and high in safety factors.
Description
Technical field
The invention provides a kind of device, especially high-temperature steam biological wastewater deactivation system that microorganism in biocontainment laboratory or the bio-pharmaceuticals discharge waste water is adopted the high-temperature steam deactivation.
Background technology
The present situation of domestic existing installation: before the SARS, China's three-grade biological safety laboratory quantity seldom, level Four is blank, and its wastewater treatment is generally all taked to be collected in together in the slop pail earlier, puts into high-pressure sterilizing pot sterilization and then discharging with other experiment article then.The biocontainment laboratory construction generally launches after the SARS, but the biological hazard wastewater treatment of its generation does not obtain that attention should be arranged, mostly adopt according to investigations to basin and add chemical agent or the directly method of the logical steam boiling sterilization that carries out disinfection, and the method that adopts chemical method and directly lead to steam boiling to basin, still be in level hand-manipulated, safe reliability is not high, and has secondary pollution and certain potential safety hazard.
The chemical agent sterilization, utilizing various chemical agents that the harmful microorganism in the waste water is carried out sterilization and disinfection exactly handles, sterilization process commonly used at present has ozonization, chlorine disinfectant, clorox sterilization, disinfection by chlorine dioxide, formaldehyde sterilization, alkali sterilization etc., every kind of method is each has something to recommend him, and inactivating efficacy also has nothing in common with each other.Because the continuous appearance of the germ of the drug-fast enhancing of some germs and some not clear situations makes the safe reliability of chemical method sterilization reduce gradually, adds the chemical method troublesome poeration, easily cause secondary pollution and the follow-up biochemical processing process process of influence.Sterilization effect is subjected to factor affecting such as microbe species, quantity, concentration, action time, temperature, potential of hydrogen bigger, and safe reliability is relatively poor relatively.
Directly logical steam boiling method directly feeds steam in the waste water storage tank, and the latent energy of utilizing steam to discharge raises wastewater temperature, continues for some time the microorganism that makes in the waste water and all kills.Advantages such as it is simple to operate to adopt this mode to have, and sterilization is thorough, but exist also that wastewater discharge increases and shortcoming such as noise is big when advancing steam.Must increase heat exchanger apparatus as if waste water is lowered the temperature, increase input cost and the equipment failure probability of equipment.
Summary of the invention
According to above the deficiencies in the prior art, the technical problem to be solved in the present invention is: provide a kind of sequence batch (to handle waste water, control the high-temperature steam biological wastewater deactivation system flexible, that safety coefficient is high.
The technical solution adopted for the present invention to solve the technical problems is: a kind of high-temperature steam biological wastewater deactivation system, comprise the waste water apparatus for placing of connecting by pipeline successively, hold-up vessel and deactivation jar, the deactivation jar arranges steam discharge pipe and deactivation water shoot, it is characterized in that: the outlet at bottom of hold-up vessel is by two deactivation jars of pipe connecting difference UNICOM, the deactivation jar arranges chuck, the input terminus of chuck connects saturated steam generator by steam inlet pipe, the output terminal of chuck arranges chuck vapour delivery pipe, the water inlet pipe of hold-up vessel, pipe connecting, the steam inlet pipe of steam discharge pipe and deactivation jar, chuck vapour delivery pipe, on the fire extinguishing water shoot pneumavalve is set respectively, pneumavalve connects control device, control device is controlled two deactivation jar sequence batch (operations by the switch of control pneumavalve.
Two deactivation jars of control device control are taked sequence batch ((intermittently, batch treatment) operation, can adapt to the requirement that the laboratory water yield changes.Improve safety coefficient.
Wherein preferred version is:
Described deactivation pot bottom arranges the pressurized air inlet pipe, and the pressurized air inlet pipe connects pneumatic plant, and the pressurized air inlet pipe arranges strainer and control valve.The even device bottom that guarantees the deactivation temperature feeds pressurized air, guarantees the even of temperature by compressed-air actuated stirring.
The water inlet pipe of described hold-up vessel arranges UNICOM's scale remover device, regularly sprays into scale remover in water inlet pipe.Regularly in the waste water pipeline, spray into a certain amount of scale remover, prevent the sterilising vessel fouling, influence sterilising effect.System is furnished with volume pump, can realize adding automatically of scale remover.
The water inlet pipe of described hold-up vessel arranges UNICOM's thimerosal device, regularly sprays into the sterilization liquor in water inlet pipe, froth breaking, cleaning.When system breaks down or keep in repair, be used for froth breaking, the cleaning of total system.Described thimerosal device comprises volume pump, dosing pump, adds thimerosal automatically.
Described chuck arranges UNICOM's cooling water inlet pipe.Be used for cooling jacket.Improve safety coefficient.
Described control device comprises PLC control panel, sensing member and the regulating and controlling valve that is electrically connected, and sensing member is arranged on hold-up vessel and the deactivation jar, and the regulating and controlling valve is arranged on the pipeline, comprises pneumavalve, check valve and manual valve.The whole process of deactivation is taked full automatic control and switching, and by touch-screen whole state is carried out real-time reality, the data to operation have printing function simultaneously.
In the described deactivation jar electric heating system is set, electric heating system is electrically connected control device.During work, both steam heating can be adopted, also electrically heated can be adopted.
The beneficial effect that high-temperature steam biological wastewater deactivation of the present invention system has is: can realize by arranging:
1, safety coefficient height.Adopt chuck heating and cooling mode, isolate fully with the waste water in the jar.
2, system design is flexible.Take sequence batch ((intermittently, batch treatment) operation, can adapt to the requirement that the laboratory water yield changes.
3, strong adaptability.Sterilising temp and time can be regulated setting within the specific limits voluntarily.General 121 ℃-1h or the 134 ℃-30min of adopting of sterilising temp also is adjustable to 150 ℃ as required.
4, Controlling System advanced person, simple to operate visual.The Controlling System of my company adopts Siemens PLC C Controlling System, the whole process of deactivation is taked full automatic control and switching, and by touch-screen whole state is carried out real-time reality, and the data to operation have printing function simultaneously.
5, emergency schedule is arranged.In case break down, can realize discharging the asepticize of waste water by the mode alternative system of chemical disinfection.
6, good antiscale property measure: regularly in the waste water pipeline, spray into a certain amount of scale remover, prevent the sterilising vessel fouling, influence sterilising effect.
Description of drawings
Fig. 1 is structural representation of the present invention;
Wherein: 1, hold-up vessel 2, water level gauge 3, chuck vapour delivery pipe 4, deactivation jar 5, jacket water (J.W.) delivery pipe 6, deactivation water shoot 7, pressurized air inlet pipe 8, deactivation jar 9, steam inlet pipe 10, cooling water inlet pipe 11, thimerosal device 12, waste water apparatus for placing 13, scale remover device 14, water inlet pipe 15, steam discharge pipe
F1, F8-F19, pneumavalve F2-F7, starting diaphragm valve N1-N12, check valve J1-J12, manual valve T1-T7, temperature sensor P1, P2, pressure controller P3-P6, pressure unit S1, S2, safety valve Y1, Y2, tensimeter PL1-PL3 strainer D1, strainer.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described further:
Embodiment 1:
As shown in Figure 1, by pipeline series connection waste water apparatus for placing 12, hold-up vessel 1 and deactivation jar 4, deactivation jar 4 arranges steam discharge pipe 15 and deactivation water shoot 6, the outlet at bottom of hold-up vessel 1 is by two deactivation jars 4 of pipe connecting difference UNICOM, 8, deactivation jar 4,8 arrange chuck, the input terminus of chuck connects saturated steam generator by steam inlet pipe 9, the output terminal of chuck arranges chuck vapour delivery pipe 3, the water inlet pipe 14 of hold-up vessel 1, pipe connecting, steam discharge pipe 15 and deactivation jar 4,8 steam inlet pipe 9, chuck vapour delivery pipe 3, pneumavalve is set respectively on the deactivation water shoot 6, pneumavalve connects control device, control device is controlled two deactivation jar sequence batch (operations by the switch of control pneumavalve.
Hold-up vessel 1 is mainly used in the collection of waste water and temporary is carried out the water yield to follow-up equipment simultaneously and regulated.Hold-up vessel 1 adopts 304 stainless steel plates to be welded, and machinery and electrochemical etching are taked in the surface simultaneously, and smooth surface is unfavorable for growing and enrichment of bacterium.The discharging of the waste water in the hold-up vessel 1 is controlled by water level gauge 2, and when waiting to reach water level, deactivation jar 1 water intaking valve is opened in deactivation jar 4,8 and intake.The waste gas that hold-up vessel 1 produces is discharged by a biofilter PL3 who is furnished with the electrically heated chuck, and the pore size filter of biofilter PL3 is 0.2 μ m, and filtration efficiency is more than 99.999%, so microbial pathogens can be not excessive in atmosphere.The reply filter core carries out regular leak detection test in the use, guarantees the safety of system.Filter core can adopt the method for chemistry to carry out disinfection.
The water inlet pipe 14 of hold-up vessel 1 arranges UNICOM's thimerosal device 11, regularly sprays into the sterilization liquor in water inlet pipe 14, froth breaking, cleaning.When system breaks down or keep in repair, be used for froth breaking, the cleaning of total system.Described thimerosal device comprises volume pump, dosing pump, adds thimerosal automatically.
The water inlet pipe 14 of hold-up vessel 1 arranges UNICOM's scale remover device 13, when equipment is intake, regularly sprays into a certain amount of scale remover in the waste water pipeline, prevents the sterilising vessel fouling, and system is furnished with volume pump, can realize adding automatically of scale remover.
Control device adopts advanced PLC control techniques, finishes the automatic control of entire treatment process.Comprise the entering control, open temperature pressurization of waste water, from start and stop etc.The Controlling System formation comprises hardware and software two portions.All being provided with the automatic/hand conversion in the program of the action of the valve member of equipment and operation arranges.Hardware: comprise that unit such as PLC control panel, sensing member, control mediation valve constitute.Control panel adopts menu in Chinese formula touch screen design, makes the operative employee be easy to grasp; PLC adopts the product of siemens S7-200, and the executive mode of all by-pass valve controls is pneumatic form and all adopts Germany's lid rice valve, can realize 4,000,000 accessible unlatchings, with the reliability of safety action.Software: ladder diagram or module programming are used in the sequence of control programming, and programming is simple.There is safety alarm device in system, but display alarm information.Each warning all can the corresponding prompting state of alert and settlement steps to deal.Be equipped with printer, operating parameter, state and the alarm failure message of equipment carried out the real time print record.
The control device major parts arranges and effect:
Pneumavalve F1 is used for the hold-up vessel water intaking valve, pneumatic diaphragm valve F2 is deactivation jar water intaking valve 1, pneumatic diaphragm valve F3 is deactivation jar water intaking valve 2, pneumatic diaphragm valve F4 is deactivation jar water discharge valve 1, pneumatic diaphragm valve F5 is deactivation jar water discharge valve 2, pneumatic diaphragm valve F6 is flowing valve 1, pneumatic diaphragm valve F7 is flowing valve 2, pneumavalve F8 is water coolant water intaking valve 1, and pneumavalve F9 is water coolant water intaking valve 2, and pneumavalve F10 is admission valve 1, pneumavalve F11 is admission valve 2, pneumavalve F12 is the admission valve of deactivation jar 8, and pneumavalve F13 is the admission valve of deactivation jar 4, and pneumavalve F14 is thimerosal feed liquor valve, pneumavalve F15 is the scale remover valve, pneumavalve F16 is the gas outlet valve of deactivation jar 8, and pneumavalve F17 is the gas outlet valve of deactivation jar 4, and pneumavalve F18 is the strainer flowing valve.
8 water inlets of check valve N1 control deactivation jar, 4 water inlets of check valve N2 control deactivation jar, 8 air inlets of check valve N3 control deactivation jar, 4 air inlets of check valve N4 control deactivation jar, check valve N5 controls into thimerosal, and check valve N6 controls into scale remover, check valve N7, N8 control into water coolant, 1 exhaust of check valve N9 control hold-up vessel, check valve N10, N11 control safety valve steam discharge, the sterilization of check valve N12 controlled filter device.
The water inlet of manual valve J1 control hold-up vessel, 8 water inlets of manual valve J2 control deactivation jar, 4 water inlets of manual valve J3 control deactivation jar, 8 water outlets of manual valve J4 control deactivation jar, 4 water outlets of manual valve J5 control deactivation jar, manual valve J6 controls into thimerosal, 8 air inlets of manual valve J7 control deactivation jar, 4 air inlets of manual valve J8 control deactivation jar, 8 admission of manual valve J9 control deactivation jar, 4 admission of manual valve J10 control deactivation jar, manual valve J11, J12 control water coolant.
Temperature sensor T1-T3 is arranged on the temperature of surveying three points on the deactivation jar 8, and temperature sensor T4-T6 is arranged on the temperature of surveying three points on the deactivation jar 4, and temperature sensor T7 is arranged on detecting temperature on the steam discharge pipe 15.
Pressure controller P1, P2 are separately positioned on the deactivation jar 8,4, measuring stress.Pressure unit P3, P4 are separately positioned on the front and back of strainer PL1, measuring stress; Pressure unit P5, P6 are separately positioned on the front and back of strainer PL2, measuring stress.
Safety valve S1, S2 are separately positioned on the deactivation jar 8,4.Tensimeter Y1, Y2 are separately positioned on the deactivation jar 8,4.Strainer PL1, PL2 are separately positioned on deactivation jar 8,4 the chuck vapour delivery pipe 3.Strainer PL3 is arranged on the steam discharge pipe 15.Strainer D1 arranges on the pressurized air inlet pipe 7.
Embodiment 2:
On the basis of embodiment 1, in the deactivation jar 4,8 electric heating system is set, electric heating system is electrically connected control device.During work, both steam heating can be adopted, also electrically heated can be adopted.In jar electric heating coil and electric protection system are installed, electrically heated is to certain temperature, and the lasting regular hour is finished the deactivation to waste water.
Original pipeline, waste water apparatus for placing, scale remover device, thimerosal device, saturated steam generator, water coolant and pneumatic plant among the present invention, and heating system, Controlling System be common prior art, its setting and use to industry technician and grasped.
Principle of work and use:
Handling principle:
Heat sterilization mainly is to utilize high temperature to make the thalline sex change or solidify, and enzyme loses activity, and makes bacterium death.But before bacterium solidified, the slight change of dna single spiral fracture took place, may be main lethal factor.The DNA of virus and the chemical bond among the RNA absorb heat to cause the process of bond rupture are the cores of viral high temperature deactivation under the high temperature.Chemical structure such as bacterioprotein, nucleic acid is connected by hydrogen bond, and hydrogen bond is more weak chemical bond, and when thalline was heated, hydrogen bond was destroyed, and structures such as protein, nucleic acid, enzyme are also destroyed thereupon, lose its biologic activity, cause bacterium death.In addition, high temperature also can cause the after birth loss function and the rrna of small-molecule substance and degraded is spilt.
Treating processes:
Toxic waste water enters hold-up vessel 1 by pneumavalve F1, and waste water enters deactivation jar (F2 often opens) by hold-up vessel 1, and in the deactivation jar (in be provided with strainer), waste water is removed solid particulate and the hair class suspended matter of greater particle size in the waste water by strainer.Deactivation this moment jar keeps normal pressure, airiness valve F6 opens and makes a jar interior air pass through the filtering emission of biofilter in atmosphere, when waiting to reach water level, F2 closes, F6 closes, advancing steam F12 and open, feed steam in the chuck waste water in the jar is heated, is the homogeneity that guarantees heating, the intermittent entrance pressure contracting pressure lock F10 that opens stirs waste water.Under pressure (220kpa), temperature (134 ℃), time (30min), the isoparametric control of F0 value (10), waste water is carried out deactivation.
The waste water sterilization finishes laggard steam F12 and closes, water coolant water intaking valve F8 opens and feeds water coolant in the chuck waste water in the deactivation jar is reduced to below 60 ℃, deactivation jar water discharge valve F4 opens waste water and is discharged into wastewater disposal basin by the bottom of deactivation jar then, is for further processing.
The sterilization system on line of hold-up vessel and deactivation jar and cleaning: when system breaks down or keep in repair, be full of thimerosal by the inner room that sprays hold-up vessel and deactivation jar, through 1.5 hours contact, be discharged into wastewater disposal basin then.
Through arranging and experiment, realize data:
1, equipment all adopts stainless steel.As the employing 316L that directly contacts with waste water, noncontact partly adopts 304.
2, strong adaptability.Sterilising temp and time can be regulated setting within the specific limits voluntarily.General 121 ℃-1h or the 134 ℃-30min of adopting of sterilising temp also is adjustable to 150 ℃ as required.
3, Controlling System advanced person, simple to operate visual.Controlling System adopts Siemens PLC C Controlling System, the whole process of deactivation is taked full automatic control and switching, and by touch-screen whole state is carried out real-time reality, and the data to operation have printing function simultaneously.
4, safety coefficient height.Cooling system adopts the jacketed type type of cooling, isolates fully with the waste water in the jar.
5, heat source way is various.Can adopt electric heating and steam-out (SO) dual mode.
6, system design is flexible.Take sequence batch ((intermittently, batch treatment) operation, can adapt to the requirement that the laboratory water yield changes.
7, emergency schedule is arranged.In case break down, can realize discharging the asepticize of waste water by the mode alternative system of chemical disinfection.
Claims (6)
1. high-temperature steam biological wastewater deactivation system, comprise the waste water apparatus for placing of connecting by pipeline successively, hold-up vessel and deactivation jar, the deactivation jar arranges steam discharge pipe and deactivation water shoot, it is characterized in that: the outlet at bottom of hold-up vessel is by two deactivation jars of pipe connecting difference UNICOM, the deactivation jar arranges chuck, the input terminus of chuck connects saturated steam generator by steam inlet pipe, the output terminal of chuck arranges chuck vapour delivery pipe, the water inlet pipe of hold-up vessel, pipe connecting, the steam inlet pipe of steam discharge pipe and deactivation jar, chuck vapour delivery pipe, pneumavalve is set respectively on the deactivation water shoot, pneumavalve connects control device, control device is by the switch of control pneumavalve, control two deactivation jar sequence batch (operations, the biofilter (PL3) that the hold-up vessel setting is furnished with the electrically heated chuck is communicated with atmosphere, and the pore size filter of biofilter (PL3) is 0.2 μ m; Described deactivation pot bottom arranges the pressurized air inlet pipe, and the pressurized air inlet pipe connects pneumatic plant, and the pressurized air inlet pipe arranges strainer and control valve, in the described deactivation jar electric heating system is set, and electric heating system is electrically connected control device.
2. high-temperature steam biological wastewater deactivation according to claim 1 system, it is characterized in that: the water inlet pipe of described hold-up vessel arranges UNICOM's scale remover device, regularly sprays into scale remover in water inlet pipe.
3. high-temperature steam biological wastewater deactivation according to claim 1 system, it is characterized in that: the water inlet pipe of described hold-up vessel arranges UNICOM's thimerosal device, regularly sprays into the sterilization liquor in water inlet pipe, froth breaking, cleaning.
4. high-temperature steam biological wastewater deactivation according to claim 3 system, it is characterized in that: described thimerosal device comprises volume pump, dosing pump, adds thimerosal automatically.
5. high-temperature steam biological wastewater deactivation according to claim 1 system, it is characterized in that: described chuck arranges UNICOM's cooling water inlet pipe.
6. high-temperature steam biological wastewater deactivation according to claim 1 system, it is characterized in that: described control device comprises PLC control panel, sensing member and the regulating and controlling valve that is electrically connected, sensing member is arranged on hold-up vessel and the deactivation jar, the regulating and controlling valve is arranged on the pipeline, comprises pneumavalve, check valve and manual valve.
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| CN 201110054528 CN102173473B (en) | 2011-03-08 | 2011-03-08 | High-temperature steam biological wastewater inactivation system |
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| CN 201110054528 CN102173473B (en) | 2011-03-08 | 2011-03-08 | High-temperature steam biological wastewater inactivation system |
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| CN102173473B true CN102173473B (en) | 2013-09-25 |
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| CN103910395B (en) * | 2013-01-06 | 2015-10-21 | 中石化上海工程有限公司 | Ultra high temperature sterilization (UHTS) device and uses thereof |
| CN104007671B (en) * | 2013-04-23 | 2017-06-23 | 江南大学 | A kind of biological sewage inactivates the running status automatic switching method of tank |
| CN105293605A (en) * | 2014-05-26 | 2016-02-03 | 无锡维邦工业设备成套技术有限公司 | Batch inactivation treatment device used for biological wastewater |
| CN104208728B (en) * | 2014-08-29 | 2016-12-28 | 刘更新 | Utilize the waste liquid inactivating device of flash steam |
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| CN106986399A (en) * | 2017-06-05 | 2017-07-28 | 浙江易健生物制品有限公司 | GMP workshops contain viral waste liquid steam inactivation system energy saving technique design |
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| CN113649086B (en) * | 2021-09-22 | 2023-01-13 | 中国科学院武汉病毒研究所 | Continuous wastewater collection device capable of being rapidly sterilized and used for wastewater treatment and sterilization method thereof |
| CN113800585B (en) * | 2021-09-24 | 2023-11-17 | 中国医学科学院医学生物学研究所 | System and method for on-line detection and inactivation of drain valve leakage of live wastewater inactivation tank |
| CN114349086A (en) * | 2021-12-14 | 2022-04-15 | 张家港中远海运金港化工物流有限公司 | Be used for abluent effluent disposal system of tank |
| CN114506891A (en) * | 2022-02-15 | 2022-05-17 | 四川科特空调净化有限责任公司 | High living biological wastewater inactivation treatment system |
| CN115304115A (en) * | 2022-08-15 | 2022-11-08 | 苏州市创联净化设备有限公司 | Biological wastewater inactivation equipment and treatment method thereof |
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