CN103800926A

CN103800926A - Ethylene oxide sterilizing and exhaust gas zero-emission treatment system

Info

Publication number: CN103800926A
Application number: CN201310694999.XA
Authority: CN
Inventors: 冯薇; 杨亮月; 杨媚; 易梦溪; 杨欣蕾; 党明海; 杨光俊; 彭浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-12-17
Filing date: 2013-12-17
Publication date: 2014-05-21

Abstract

The invention discloses an ethylene oxide sterilizing and exhaust gas zero-emission treatment system. The ethylene oxide sterilizing and exhaust gas zero-emission treatment system comprises an ethylene oxide sterilizing device, an ethylene oxide exhaust gas chemical combination treatment device, a micro-biological degradation subsystem, a sedimentation filtering subsystem, a water purification pond and a biological monitoring subsystem. The factors such as concentration, temperature and pressure are considered and quantitative control for ethylene oxide sterilization is proposed, so that the ethylene oxide sterilizing efficiency is improved; a plurality of links are gradually used for hazard-free degradation of the ethylene oxide waste gas, so that the technical problem of ethylene oxide hazard-free emission is solved, and application and promotion of ethylene oxide sterilization are facilitated.

Description

A kind of ethylene oxide sterilizing and zero waste gas emission system for handling

Technical field

The invention belongs to ethylene oxide sterilizing technical field, relate to a kind of ethylene oxide sterilizing and zero waste gas emission system for handling.

Background technology

Oxirane has another name called ethylene oxide, is colourless liquid at low temperatures, has aromatic ether taste, and boiling point is 10.8 ℃, and density is 1.52; Oxirane is inflammable and explosive, and its minimum burning concentration is 3%.Ethylene oxide gas sterilizing power is strong, fungicidal spectrum is wide, can kill various microorganisms and comprise bacterial spore, belongs to biocide.

Article and penetration power that oxirane does not damage sterilizing are very strong, should not sterilize and sterilizing with the equal epoxy available ethane of the article of conventional method sterilizing therefore most.For example, electronic machine, optical instrument, medical apparatus and instruments, books, file, fur, cotton, chemical fibre, plastic, woodwork, pottery and metallic article, scope, dialyser and disposable diagnosis and treatment articles for use etc.Oxirane is one of current topmost low temperature sterilization method.The factor that affects eo sterilization is a lot, only has strict control related factors, just can reach sterilization effect.

Due to inflammable, the explosive and carcinogenecity of oxirane, the control of eo sterilization is at present also more difficult, is especially difficult to accomplish the meticulous control to oxirane, and sterilization effect is also difficult to guarantee.

Summary of the invention

The problem that the present invention solves is to provide a kind of ethylene oxide sterilizing and zero waste gas emission system for handling, considers the multifactorial impacts such as concentration, temperature, pressure, proposes the quantification control of ethylene oxide sterilizing, improves ethylene oxide sterilizing efficiency; And adopt multiple links progressively oxirane waste gas to be carried out to innoxious degraded, and solve the technical barrier of oxirane harmless discharge, be conducive to using and promoting of ethylene oxide sterilizing.

The present invention is achieved through the following technical solutions:

A kind of ethylene oxide sterilizing and zero waste gas emission system for handling, comprising:

Ethylene oxide sterilizing device, comprise with oxirane and store tank connected sterilizing storehouse, in sterilizing storehouse, be provided with ethylene oxide content monitoring device, temperature-adjusting device and temperature sensor, sprayer unit and humidity sensor, gas pressure sensor, and sterilizing control unit; Sterilizing control unit is first controlled air pump and is bled by discharge line, and sterilizing storehouse is evacuated to negative pressure; Sterilizing control unit again control loop oxidative ethane storage tank is inputted ethylene oxide gas to sterilizing storehouse by air inlet pipeline, be that malleation is carried out sterilizing to sterilizing storehouse; Oxirane waste gas after sterilizing completes in sterilizing storehouse is evacuated to oxirane waste gas chemical combination blood processor;

Oxirane waste gas chemical combination blood processor, comprises air pump, combination apparatus, Gas-liquid pump, tubulent contact tower and disperser; Air pump is connected with the air inlet of combination apparatus, and transfer rings oxidative ethane waste gas is to combination apparatus; Combination apparatus comprises combination apparatus casing, is provided with multiple reactors arranged side by side in combination apparatus casing, and the outlet of gas circuit pipe is arranged on reactor upper surface and is connected with the gas circuit pipe import of next reactor, and the gas circuit pipe outlet of last reactor is connected with gas outlet; Gas-liquid pump is connected with the gas outlet of combination apparatus, and the residual ethylene of gas outlet output is fully mixed with hot water in Gas-liquid pump, is then pumped in tubulent contact tower; The bottom water inlet of tubulent contact tower is connected with Gas-liquid pump, fully dissolves in tubulent contact tower residual ethylene and water; Disperser is connected with the outlet at tubulent contact tower top, and disperser is separated the water and the steam that are dissolved with oxirane waste gas, and the water that is dissolved with oxirane waste gas is delivered to microbial degradation subsystem;

Microbial degradation subsystem, comprises that the oxirane waste gas to being dissolved in the water carries out the Aeration tank of microbial degradation, is placed with and cultivates acclimated microorganism flora in Aeration tank, and microorganism species is suspended in water or forms floccule body and is suspended in water; The water inlet of Aeration tank is connected with disperser, and outlet is connected with sedimentation filter subsystem;

Sedimentation filter subsystem, comprises to microorganism species and foreign material is carried out the Sedimentation tank of sedimentation and Sedimentation tank is flowed out to the filtering ponds that water filters; In described Sedimentation tank, be provided with multiple grids that are interspersed, the bottom of Sedimentation tank is provided with the reflux line being connected with Aeration tank, by reflux line by part microorganism species and return of waste water to Aeration tank; Described filtering ponds form at the bottom of by pool wall and pond, and pool wall, pond basal surface are all equipped with filtrate, and waste water flows into and has been behind filter tank, by flowing out from pond bottom opening after multiple filtration;

Water body purification pond, is arranged at the downstream of sedimentation filter subsystem, in water body purification pond, throws in and has disinfectant, kills filtering ponds and flows out the microorganism in water;

Biological monitoring subsystem, described biological monitoring subsystem comprises the biological monitoring pond that is provided with ecological gravel bed, is also provided with biological floating island in biological monitoring pond, on it, plants and is implanted with biological monitoring plant, biological monitoring pond holds upland water, has wherein put multiple biological monitoring species in a suitable place to breed.

Described ethylene oxide sterilizing device comprises:

The oxirane storage tank that is provided with steam supply valve is connected with sterilizing storehouse by air inlet pipeline, and steam supply valve is to sterilizing storehouse air feed under the control of sterilizing control unit, and ethylene oxide content monitoring device provides the information of ethylene oxide content in sterilizing storehouse to sterilizing control unit;

The discharge line that is provided with air pump is connected with sterilizing storehouse by extraction valve and Safety control valve respectively;

Air purifier is also connected with sterilizing storehouse by electromagnetic valve;

In sterilizing storehouse, be also provided with temperature-adjusting device and temperature sensor, temperature sensor provides temperature information to sterilizing control unit, in the time that needs regulate temperature, sterilizing control unit sends instruction to temperature-adjusting device, until the temperature of temperature sensor feedback meets the demands;

In sterilizing storehouse, be also provided with sprayer unit and humidity sensor, humidity sensor provides relative humidity information to sterilizing control unit, in the time that needs regulate humidity, sterilizing control unit sends instruction to sprayer unit, until the relative humidity of humidity sensor feedback meets the demands;

In sterilizing storehouse, be also provided with gas pressure sensor, gas pressure sensor provides pressure information to sterilizing control unit, in the time that needs regulate pressure, sterilizing control unit sends instruction to gas supply electromagnetic valve or exhaust solenoid valve, until the relative pressure of gas pressure sensor feedback meets the demands;

Sterilizing control unit comprises clock control circuit, sterilising conditions optimization unit and signal transmitting and receiving unit; The time of ethylene oxide sterilizing in clock control circuit monitoring sterilizing storehouse; Sterilising conditions is optimized unit according to the signal that the control of best sterilization effect requires and each sensor sends, and to the temperature in sterilizing storehouse in sterilization process, pressure, humidity, ethylene oxide concentration and sterilization time Real-time solution, and sends corresponding control signal.

The article of to be sterilized or sterilizing are taken out/put in described sterilizing storehouse, in the time that hermatic door is opened; After hermatic door is shut, sterilizing storehouse forms airtight pressure-bearing space;

The track that is also provided with carrier walking in described sterilizing storehouse, article to be sterilized or sterilizing are placed in carrier, transport by carrier;

Outside sterilizing storehouse, be provided with the track of tractor walking, tractor can be affiliated to carrier/combination, and carrier is transported inside and outside sterilizing storehouse in sterilizing storehouse.

Described hermatic door is the hermatic door of automatically controlling, comprise slide control mechanism and the automatic tensioning mechanism of the manipulation that is subject to sterilizing control unit, slide control mechanism is driven docking of hydrodynamic reciprocating sealing door and sterilizing storehouse, after automatic tensioning mechanism is driven by hermatic door and sterilizing storehouse press seal;

The slide control mechanism of described manipulation comprises: upper rail, hermatic door is embedded on sterilizing storehouse by upper rail, below hermatic door, be provided with roller, driven tailing edge track cross level transverse shifting, move horizontally distance by the control of infrared light control element, hermatic door and sterilizing storehouse are aligned, between hermatic door track and carrier walking track, leave an intersegmental gap;

Automatic tensioning mechanism comprises: in hermatic door, be provided with the pallet being connected with screw rod, on pallet, be connected with multiple stretching bars, pallet is driven tailing edge screw rod to do axially-movable, stretching bar stretches out, door-plate at the crowbar effect lower seal door of stretching bar is inwardly stressed, and pressing door edges of boards are along the sealing ring arranging with sterilizing storehouse bead.

Described in the time of sterilizing, in the time that the ethylene oxide concentration in sterilizing storehouse reaches default concentration threshold, sterilizing control unit control Safety control valve is opened, discharge section gas.

Described oxirane storage tank is connected with sterilizing storehouse by gas converting heat pipe, and gas converting heat pipe is as in water temperature case, and the water temperature in water temperature case remains on 80～90 ℃, is also provided with temperature sensor and floodometer in water temperature case, monitors respectively water temperature and water level.

The signal that temperature sensor in sterilizing control unit reception water temperature case and floodometer send, in the time that needs regulate according to priority, the hot water first providing with solar energy is supplied, supply if the hot water providing with methane energy again can not be provided, the hot water that can't meet Shi Zaiyong city electric energy provides is supplied;

In the time that temperature-adjusting device in sterilizing storehouse adopts hydrophily heat exchanger, the hot water communication loop in the heat exchanger that in the hot water in described water temperature case and sterilizing storehouse, temperature-adjusting device adopts; Its hot water source comprises: the hot water that the hot water that solar energy provides, the hot water that methane energy provides and city's electric energy provide, by sterilizing control unit Control and Schedule, the hot water that wherein solar energy provides uses rank the highest, and the hot water that methane energy provides takes second place, and the hot water that city's electric energy provides finally adopts.

Under the control of sterilizing control unit, described temperature-adjusting device adopts stage heating: heat, stop, heating, stop, progressively heating approaches predetermined temperature;

Sprayer unit adopts stage humidification: spraying humidification, stop, again spraying humidification, stop, progressively heating approaches predetermined humidity.

Described ethylene oxide content monitoring device comprises:

Send the pressure transducer of gas pressure signal to sterilizing control unit, the total amount error that monitoring oxirane enters;

Send gravity sensor or the weighing device of oxirane storage tank weight change to sterilizing control unit, the total amount that monitoring oxirane enters sterilizing storehouse;

Send the chemical sensor of the molar concentration signal of oxirane effective content in sterilizing storehouse to sterilizing control unit, accurately monitor ethylene oxide content;

In sterilization process, each monitoring device samsara search, detection, sterilizing control unit Real-time Collection signal controlling oxirane inlet.

After described sterilizing completes, sterilizing control unit control air pump and gas exhaust piping are opened, and oxirane waste gas is discharged from oxirane exhaust emission tube road;

Pulsation cycling replaces and is sterilized oxirane residual in article, and it is negative pressure that air pump is pumped in sterilizing storehouse, then opens air purifier, enters fresh air to normal pressure; Close air purifier, air pump is pumped to negative pressure again, has so been circulated to the pulsation circulation scheduled time.

Described combination apparatus comprises combination apparatus casing, in combination apparatus casing, be provided with multiple reactors arranged side by side, the gas circuit tube inlet being connected with air inlet is arranged on the bottom of reactor, in reactor, be filled with sulfonating reaction agent, upwards in the approach of dissipation, be provided with gas assisted reaction device at gas, the outlet of gas circuit pipe is arranged on reactor upper surface and is connected with the gas circuit pipe import of next reactor, and the gas circuit pipe outlet of last reactor is connected with gas outlet;

Gas-liquid pump is connected with the gas outlet of combination apparatus, and the residual ethylene of gas outlet output is fully mixed with hot water in Gas-liquid pump, is then pumped in tubulent contact tower;

The bottom water inlet of tubulent contact tower is connected with Gas-liquid pump, in tubulent contact tower, be provided with multilamellar catch net, between catch net, be provided with hollow turbulence sphere, turbulence sphere is jumped by hot water from bottom to top, the impact rolling of air-flow in tubulent contact tower, and residual ethylene and water are fully dissolved;

Disperser is connected with the outlet at tubulent contact tower top, and disperser is separated the water and the steam that are dissolved with oxirane waste gas.

Described combination apparatus is also provided with the cooling water circulation pipeline that comprises water inlet and outlet, and cooling water circulation pipeline is arranged on the surrounding of reactor.

Described gas assisted reaction device comprises decentralized network and airflow-distribution board; Described decentralized network is provided with multiple pores, and is crisscross arranged, and ethylene oxide gas is dispersed through decentralized network, reacts with sulfonating reaction agent; Described airflow-distribution board is alternately arranged along gas rising path, extends the rise time of gas;

In reactor, be also provided with allotter, collecting and distributing box and air filter cover, described allotter is gas-liquid separator, the carbon dioxide that sulfonating reaction is produced separates with sulfonating reaction thing, sulfonating reaction thing is concentrated on collecting and distributing box, and carbon dioxide and the gas of processing are discharged next stage reactor by air filter cover.

Described decentralized network forms and forms a large amount of pores by the distortion of multiple tracks tinsel;

Described combination apparatus also comprises the combination apparatus removable cover matching with combination apparatus casing, and adjacent reactor separates by lattice baffle plate.

Described reactor wheel turns circulation: in the time approaching the sulfonating reaction agent in front reactor of oxirane exhaust gas entrance and be depleted to a certain degree, by its taking-up and be replaced into reactor thereafter, the corresponding reach of reactor in downstream, finally the position of the reactor vacancy of reach is replaced by new reactor.

The upper cover that described tubulent contact tower comprises tower body and matches with it, is provided with multiple tracks catch net in tower body, be placed with multiple turbulence spheres between catch net; Water inlet is arranged between the bracing frame of tubulent contact tower bottom.

Described tubulent contact tower bottom is also provided with air inlet, blasts the auxiliary turbulence sphere jump of gas upset by air inlet.

In described Aeration tank, be also provided with dissolved oxygen control device, maintain the dissolved oxygen concentration in waste water, for microorganism species provides oxygen;

Sedimentation tank is vertical-flow Sedimentation tank, wherein erects and has multiple grids that are interspersed, and opening is formed on grid and Sedimentation tank top or bottom; The bottom of Sedimentation tank is provided with the reflux line being connected with Aeration tank, by reflux line by the microorganism species of sedimentation and part return of waste water to Aeration tank, the microorganism species of remaining sedimentation and the foreign material of sedimentation are discharged from exhaust outlet; The outlet of Sedimentation tank is connected with the water inlet of filtering ponds;

Filtering ponds form at the bottom of by pool wall and pond, and pool wall, pond basal surface are all equipped with filtrate, and the particle diameter of filtrate increases with the filtering ponds degree of depth and strengthens gradually, is also provided with multiple filtration net in filtering ponds; When flowing into, is behind filter tank waste water, by flowing out from pond bottom opening after multiple filtration.

In described Aeration tank, be also provided with multiple gallerys that are interspersed, gallery opening head and the tail stagger, and form gallery type Aeration tank, and gallery bottom is provided with the gradient, and waste water flows downward along the gallery gradient.

Describedly also offer in gallery bottom the aeration opening or the air-blowing mouth that are connected with air, for the waste water between gallery provides dissolved oxygen amount.

Described being positioned between middle gallery is also provided with blender, after blender is driven, offers stirring, increases the dissolved oxygen amount of end gallery waste water, improves the wherein living environment of microorganism species.

In described Aeration tank, be also provided with motor-driven dull and stereotyped impeller, dull and stereotyped impeller extend in waste water, and impeller diameter is 0.25～0.4 with the ratio that stretches into the depth of water, and the diameter of dull and stereotyped impeller is 0.8～1.2m.

Between described Aeration tank and Sedimentation tank, be also provided with microorganism and repair groove, Aeration tank waste water after treatment first flow into microorganism and repairs in groove, and then flows out in Sedimentation tank;

Described microorganism is repaired groove and is comprised cell body, is provided with multiple bacterium nests that contain culture medium in cell body, and in culture medium, inoculation has microorganism species; Microorganism is repaired groove and is also provided with the reflux line being connected with Aeration tank, and the return of waste water that contains microorganism species by reflux line is to Aeration tank.

In the cell body of described microorganism reparation groove, be provided with the chain row who is connected between drivewheel and driven pulley, bacterium nest is fixedly connected on chain row, on chain row, be also fixed with scraper plate, drive drivewheel to make chain row circulating rolling, the microorganism species of sedimentation and foreign material are moved to reflux line entrance or outlet place by scraper plate.

On described cell body, offer with Aeration tank and export the water inlet being connected, the outlet being connected with Sedimentation tank, is also provided with collecting box at outlet place.

Described bacterium nest comprises pedestal, on pedestal, be connected with guard, inoculation has the culture medium of microorganism species to be placed in guard, also offers the through hole matching with screw on pedestal, screw is connected with through hole through guard, culture medium, and guard, culture medium are fixed on pedestal.

On described cell body, also offer passage, printing opacity mouth, and the control valve matching with it;

Between described screw and guard, be provided with flat shim; Pedestal is fixedly connected with chain row by colloid.

Described guard is formed by the braiding of multilamellar nonmetallic materials, has between layers fine and close mesh.

The component of described culture medium comprises:

2～5% maltose, 2.5～10% glucose, 15～20% agar, 1～1.5% dipotassium hydrogen phosphate, 5～10% tryptone, 5～8% yeast extract, 10～15% Carnis Bovis seu Bubali cream, 15～25% soluble starch, distilled water complements to 100%.

The microorganism species of inoculating in described culture medium comprises the microorganism species of following kind:

The strain that unlinks belongs to (Cycloclast), vibrio (Virbria), zygosaccharomyces (Dseudomonas), photosynthetic bacteria (Photosynthesisbacteria), nitrobacteria (Nitrobacter or Nitrosmonas), bacillus cereus (bacillus), lactobacillus (lactobacillus), bacillus subtilis (subtilis), actinomycetes (Actinomycete), yeast (microzyme), Acetobacter sp. (Acetobacter), azotobacter (Azotobacter), escherichia coli (Escherichia Coil), gas enterobacteria (Enterobcteraerogenes), through spore yeast (Frichospomn Cutatmum), pseudomonas (pseudomona sp).

Its water inlet of described Sedimentation tank is mutually concordant with outlet, in described Sedimentation tank, erects and has multiple grids that are interspersed, and opening is formed on grid and Sedimentation tank top or bottom, and adjacent apertures is staggered up and down.

In described filtering ponds, adopt baton round as filtrate, it adopts the baton round of diameter 100～150mm at the bottom of pond, adopts the baton round of diameter 25～50mm at Chi Ding; Also be provided with multiple padding layer as filter screen at the middle part of filtering ponds, padding layer is provided with cellular hydrops plastics orifice plate.

The pool wall of described filtering ponds adopts masonry concrete framework, and at the bottom of pond, 15～20% of cross-sectional area adopt perforation concrete plate arrange and form, and between perforation concrete plate is adjacent, spacing 1～10cm is parallel evenly arranges.

Described upland water enters into biological monitoring pond after filtering by ecological gravel bed, the biological monitoring species of putting in a suitable place to breed in biological monitoring pond comprise one or more in Lumbricus, Misgurni anguillicaudati, shellfish, long-neck suction mudfish (street cleaner), Cyprinus carpio L., duck, Aicis galericulata, and the biological monitoring plant of planting on biological floating island comprises one or more in Rhizoma Acori Graminei, phragmites communis, Buxus sinica (Rehd.et Wils.).

Described sedimentation filter subsystem is also connected with methane-generating pit, and precipitum, the filtrate of Sedimentation tank and filtering ponds are disposed in methane-generating pit.

Compared with prior art, the present invention has following useful technique effect:

Ethylene oxide sterilizing provided by the invention and zero waste gas emission system for handling, ethylene oxide sterilizing device wherein, the multiparameter co-controlling of the concentration of ethylene oxide gas, time, temperature, pressure, relative humidity in sterilization process has been proposed, and the further optimization scheme that proposes a weight coefficient, concrete:

The present invention has proposed in sterilization process by multiparameter co-controllings such as the concentration of ethylene oxide gas, time, temperature, pressure, relative humiditys first to reach optimum sterilization effect, consider multifactorial impact, quantification, medelling and the standardization of ethylene oxide sterilizing are proposed, and the optimization scheme of weight coefficient is further proposed, derive ethylene oxide sterilizing effect optimal function.And provide mathematical model in optimal function mode to machine calculation machine.Make eo sterilization technology implement human computer conversation, parameter adjustment by the automatic control system of steriliser under multifactor condition, making to realize optimum sterilization effect becomes possibility.

Ethylene oxide sterilizing provided by the invention and zero waste gas emission system for handling, adopt multiple links progressively oxirane waste gas to be carried out to innoxious degraded, solved the technical barrier of oxirane harmless discharge:

After sterilizing operation completes, oxirane waste gas in steriliser is drawn out of sends into coagulation equipment combination apparatus, oxirane waste gas passes through airflow-distribution board from bottom to top by the input of combination apparatus bottom, with atomized catalyst chemical combination degraded from top to bottom, oxirane waste gas processed fall 80%-90%, chemical combination generates carbon monoxide and ethylene glycol and contains on a small quantity the air of oxirane waste gas, and wherein ethylene glycol is discharged by the feeding screw of combination apparatus bottom.

Rapid nodularization is closed tower in Gas-liquid pump air-blowing and increases under the effect of hot water, and hollow turbulence sphere closes in tower in rapid nodularization, by hot water gas shock from bottom to top, holds jump, rolling, rotation status.Make residual ethylene waste gas and water fully molten and;

And then by based on Aeration tank, Sedimentation tank, filtering ponds, the oxirane waste gas (the dissolving quality of oxirane waste gas is generally 2～5%) being dissolved in waste water being processed, also can realize organic processing in waste water simultaneously.Wherein microbial degradation is mainly that microorganism species based on forming floccule body in Aeration tank carries out oxygenate degraded to the oxirane waste gas being dissolved in the water; Be aerobe processing in the time that microorganism species carries out oxygenate degraded time, the organic conversion including oxirane is under the condition of oxygen abundance, by microorganism, Organic substance is carried out with being combined to, and alienation is decomposed, and finally generates CO ₂, H ₂o, NH ₃, SO ₄ ^2-deng, they are drained with water, have realized the processing to oxirane waste gas.And realize microorganism species, sedimentation foreign material and the shunting of processing rear water by Sedimentation tank, part microorganism species and waste water are back to Aeration tank by the mode refluxing simultaneously, guarantee the concentration of microorganism species in Aeration tank, and can again degrade to part waste water, and strengthen the mobility of waste water in Aeration tank.And the filtration of filtering ponds has guaranteed that microorganism species further separates with water with precipitum, make the water after filtering both there is no ethylene oxide gas, there is no microorganism species residual of floccule body yet;

And comprise for the processing of microorganism: microbial cells is generally suspended in water, participates in the degraded of oxirane; When microbial death post-concentration collection forms floccule body (also can contain the microorganism of part survival in floccule body), and floccule body has good adsorptivity and settleability, contributes to the absorption of oxirane, and easily in Sedimentation tank sedimentation; The microorganism of Sedimentation tank sedimentation is carried out to solid (compression, dry), then focus on, and for the microorganism that enters into filtering ponds, after it flows out with water body, with chlorine dioxide, it is killed, guaranteed to flow out the safety of water; The oxidation of chlorine dioxide simultaneously has also strengthened the processing to other compositions in water body.

Further; oxirane zero discharge treatment system provided by the present invention; also realize deactivation to bacterium and the generation of fertilizer by methane-generating pit, also detect whether thering is oxirane by biological monitoring subsystem, guarantee the zero discharge treatment of oxirane.

Further, the outlet of described oxirane waste gas chemical combination blood processor, microbial degradation subsystem, sedimentation filter subsystem, and in biological monitoring pond, be equipped with oxirane checkout gear; Thereby carry out end and detect system: qualified if the oxirane in biological monitoring pond detects, show that integral system has completed the processing to oxirane; Exceed standard if the oxirane in biological monitoring pond detects, can detect the ethylene oxide treatment situation of each link, review investigation.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

Fig. 2 is top view of the present invention;

Wherein, 1 is traction machine, and 2 is track, 3 is sleeper, and 4 is hermatic door walking track, and 5 is automatic tensioning mechanism, 6 is hermatic door, and 7 is relief valve, and 8 is sterilizing storehouse, 9 is article subject to sterilization, and 10 is carrier, and 11 is traction steel rope of cable, 12 is oxirane storage tank, and 13 is air storage chamber, and 14 is vacuum pump, 15 is sensor, and 16 is air inlet pipeline, and 17 is sterilizing control unit.

Fig. 3 is ethylene oxide sterilizing emission-control equipment connection diagram; Wherein, 101 is chemical combination processor, and 102 is Gas-liquid pump, and 103 is tubulent contact tower; 104 is knockout tower; 105 is degraded pond;

Fig. 4 is the structural representation of chemical combination processor; Wherein, 401 is water inlet pipe, and 402 is air inlet, 403 is combination apparatus removable cover, and 404 is reactor upper cover, and 405 is air filter cover, 406 is lattice baffle plate, and 407 is gas outlet, and 408 is pallet, 409 is combination apparatus casing, and 410 is reactor, and 411 is decentralized network, 412 is collecting and distributing box, 413 is allotter, and 414 is cooling water, and 415 is outlet;

Fig. 5 is the structural representation of tubulent contact tower; Wherein, 301 is upper cover, and 302 is air vent flange, and 303 is tower body, and 304 is fastening bolt, and 305 is turbulence sphere, and 306 is water inlet, and 307 is air inlet flange, and 308 is bracing frame, and 309 is air inlet, and 3010 is window

Fig. 6 is handling process schematic diagram of the present invention;

Fig. 7 is Aeration tank, Sedimentation tank, filtering ponds connection diagram;

Fig. 8 is the schematic diagram of gallery type Aeration tank;

Fig. 9 is the schematic diagram of Sedimentation tank;

Figure 10 is the schematic diagram of filtering ponds;

Figure 11 is the structural representation that groove is repaired in microorganism; Wherein, 501 is import, and 502 is cell body, and 503 is drivewheel, and 504 is bacterium nest, and 505 is scraper plate, and 506 is chain row, and 507 is follower, and 508 is outlet, and 509 is collecting box;

Figure 12 is the structural representation of microorganism species procreation groove; Wherein, 601 is pedestal, and 602 is guard, and 603 is flat shim, and 604 is screw, and 605 is microorganism species, and 606 is culture medium.

Figure 13 is microbial degradation organic substance decomposing procedure schema figure.

the specific embodiment

Below in conjunction with specific embodiment, the present invention is described in further detail, and the explanation of the invention is not limited.

Referring to Fig. 1, Fig. 2, ethylene oxide sterilizing device, comprises the sterilizing storehouse and the sterilizing control unit that are provided with hermatic door;

Concrete, the article of to be sterilized or sterilizing are taken out/put in described sterilizing storehouse, in the time that hermatic door is opened; After hermatic door is shut, sterilizing storehouse forms airtight pressure-bearing space.

Concrete, in described sterilizing storehouse, being provided with the track that carrier is walked, article to be sterilized or sterilizing are placed in carrier, transport by carrier;

Further, described hermatic door is the hermatic door of automatically controlling, comprise slide control mechanism and the automatic tensioning mechanism of the manipulation that is subject to sterilizing control unit, slide control mechanism is driven docking of hydrodynamic reciprocating sealing door and sterilizing storehouse, after automatic tensioning mechanism is driven by hermatic door and sterilizing storehouse press seal.

In the time of sterilizing, sterilizing control unit is first controlled air pump and is bled by discharge line, and sterilizing storehouse is evacuated to negative pressure; Sterilizing control unit again control loop oxidative ethane storage tank is inputted ethylene oxide gas to sterilizing storehouse by air inlet pipeline, be malleation to sterilizing storehouse, and sterilizing control unit is the concentration of regulating ring oxidative ethane under positive pressure again.

In the time of sterilizing, in the time that the ethylene oxide concentration in sterilizing storehouse reaches default concentration threshold, sterilizing control unit control Safety control valve is opened, discharge section gas.

Concrete, described oxirane storage tank is connected with sterilizing storehouse by gas converting heat pipe, and gas converting heat pipe is as in water temperature case, and the water temperature in water temperature case remains on 80～90 ℃, in water temperature case, be also provided with temperature sensor and floodometer, monitor respectively water temperature and water level.

The signal that temperature sensor in sterilizing control unit reception water temperature case and floodometer send, in the time that needs regulate according to priority, the hot water first providing with solar energy is supplied, supply if the hot water providing with methane energy again can not be provided, the hot water that can't meet Shi Zaiyong city electric energy provides is supplied.

Described ethylene oxide content monitoring device comprises:

Described oxirane storage tank during to sterilizing storehouse air feed, enters by the multiple air inlets that are evenly distributed on each position, sterilizing storehouse.

After sterilizing completes, sterilizing control unit control air pump and gas exhaust piping are opened, and oxirane waste gas is discharged from oxirane exhaust emission tube road;

Sterilizing storehouse is also provided with air interchanger, and this air interchanger is opened after pulsation has circulated, and the air in sterilizing storehouse is sent in oxirane adsorption tank/degraded pond.

Sterilising conditions is optimized unit and is adopted the model of sterilization effect optimal function to be:

F=M ^0.5T ^0.25H ^0.12P ^0.08R ^0.05

Show the weight relationship of sterilization effect optimal function and each factor.

Described ethylene oxide sterilizing device carries out sterilizing by following operation:

1) using airtight space as sterilizing storehouse, in sterilizing storehouse, be provided with ethylene oxide concentration checkout gear, temperature-detecting device, pressure-detecting device and relative humidity checkout gear, seal place the article of to be sterilized or sterilizing in sterilizing storehouse after;

2) air of extracting sterilizing storehouse out, to negative pressure, then passes into ethylene oxide gas to malleation in sterilizing storehouse, makes ethylene oxide concentration, extremely setting value of pressure in sterilizing storehouse; Spray into atomized water by damping device to sterilizing storehouse, provide heat by heat cycles device to sterilizing storehouse, temperature, pressure, humidity, ethylene oxide concentration and sterilization time in Real-Time Monitoring current time sterilizing storehouse, obtain the data of current unit interval;

3) because sterilization-intensity F is an ethylene oxide gas bulk concentration adopting while relating to sterilizing, sterilization time, sterilising temp, sterilizing pressure, sterilizing humidity.And these relevant physics, chemical parameters are mutually interfered, are affected, and cause variation (for example: the relation of relative humidity and temperature), therefore, ethylene oxide sterilizing intensity shown in (1) formula is become to sterilization effect optimal function, the relation of temperature shown in associating (2)～(5) formula in ethylene oxide concentration and sterilization time, sterilizing storehouse, pressure, relative humidity, solve the pressure in temperature, the sterilizing storehouse in satisfactory ethylene oxide concentration, sterilization time, sterilizing storehouse, the relative humidity in sterilizing storehouse, obtain solving data.At this moment sterilization effect optimal function is exactly best sterilization-intensity.So have:

F=M ^αT ^βH ^γP ^ζR ^{1-α-β-γ-ζ} （1）；

M=-17.598T ²+302.38T-45.963 （2）；

M=-0.3168H ²+41.8636H-167.6693（3）；

M=1363.64P-27.2727 （4）；

M = \frac{1573.3617}{\sqrt{2 π}} e^{- \frac{{(R - 65)}^{2}}{392.465}} + 572.3194 - - - (5);

Wherein, F is sterilization-intensity, unit: PL; Ethylene oxide gas bulk concentration/mg/l that M adopts while being sterilizing, unit: every liter milligram, α is ethylene oxide gas bulk concentration weight coefficient; T is sterilization time/h, unit: hour, β is sterilization time weight coefficient; H be temperature/℃, unit: degree Celsius, γ is temperature weight coefficient; P is the pressure/MPa in sterilizing storehouse, unit: MPa, and ζ is pressure weight coefficient; R is the relative humidity in sterilizing storehouse, unit: relative humidity, and 1-alpha-beta-γ-ζ is relative humidity, weight coefficient; α is 0.0.5, and β is that 0.25, γ is that 0.12, ζ is 0.08,1-alpha-beta-γ-ζ;

4) by the data of current unit interval with solve data and compare, filter out and the parameter combinations of the gap data minimum of current unit interval, set it as the adjusting target of the relative humidity in the temperature in the ethylene oxide concentration, sterilization time, sterilizing storehouse of next unit interval, pressure, the sterilizing storehouse in sterilizing storehouse; Then next unit interval by the regulation of relative humidity in the pressure in the temperature in the ethylene oxide concentration in sterilizing storehouse, sterilization time, sterilizing storehouse, sterilizing storehouse, sterilizing storehouse to target; Repeat the operation of comparison, adjusting, until sterilization time reaches the sterilization time after last adjustment, sterilizing completes.

The present invention proposes to adopt eo sterilization method in the time detecting its sterilization effect, should set up the concept of sterilization-intensity, and name sterilization-intensity is F, and the unit of name sterilization-intensity is " PL ".When sterilization-intensity is during lower than 70PL, there will be the insecure situation of sterilization effect; In the time that sterilization-intensity is greater than 90PL, sterilization effect event is so reliable, but sterilization process time consumption and energy consumption does not advise adopting.The ethylene oxide gas bulk concentration, sterilization time, sterilising temp, sterilizing pressure, the sterilizing humidity that when sterilizing, adopt all have impact in various degree to sterilization effect;

Concrete, provide following parameter:

Being chosen as of the numerical range of described sterilization-intensity F: 70～90PL;

The numerical range of described ethylene oxide sterilizing concentration M is chosen as: 800～1000mg/L;

The numerical range of described sterilization time T is chosen as: 6～8h;

The numerical range of described sterilising temp H is chosen as: 40～50 ℃;

The numerical range of described sterilizing pressure P is chosen as: 0.11～0.13MPa;

The numerical value range of choice of described sterilizing relative humidity R is: 45～55%.

Getting its intermediate value has:

F＝900 ^0.5×7 ^0.25×45 ^0.12×0.12 ^0.08×50 ^0.05

＝30×1.6266×1.5790×0.8440×1.2160

＝79.0788

Getting its maximum has:

F _max=1000 ^0.5×8 ^0.25×50 ^0.12×0.13 ^0..08×55 ^0.05

＝31.6228×1.6818×1.5991×0.8494×1.2219

＝88.2670

Getting its minima has:

F _min＝800 ^0.5×6 ^0.25×40 ^0.12×0.11 ^0.08×45 ^0.05

＝28.2843×1.5651×1.5569×0.8381×1.2097

＝69.8750

Ethylene oxide sterilizing device provided by the invention, can realize the Optimal Control to sterilization effect, and in the time having realized reliable sterilization effect, has used minimum ethylene oxide gas (for energy-saving and emission-reduction, safeguard that environment has important effect, meaning); Using minimum sterilization time to reach aspect reliable sterilization effect realizing, is the very real economic benefit of increasing work efficiency; Controllability to temperature is high, has improved energy-saving effect; And controllability to pressure has improved the penetration power of oxirane, sterilization effect when having guaranteed by sterilizing article kind complexity, has expanded the scope of application of oxirane; To the controllability of humidity, impel oxirane to reach optimum medicine efficacy, efficiency.

Ethylene oxide sterilizing device provided by the invention, reaches optimized sterilization effect by the control of automatization, and the operation costs that can greatly decline, and complexity coefficient, safety coefficient promote greatly compared with common bactericidal unit.

Ethylene oxide sterilizing device provided by the invention, also can be according to different being treated respectively by sterilizing article:

1) sterilizing require low, easily penetrated by ethylene oxide gas by sterilizing article (as cotton yarn, dressing, health product, sanitary towel, diaper, infant-wear, silk, silk fabric, thin,tough silk, cotton, organic historical relic, collected books, bank note)

2, the common requirement of sterilizing, need suitably pressurize, and can meet the article (as various operation bags, dressing bag, instrument bag, various medical devices) of sterilizing requirement compared with high ethylene oxide gas concentration

3, sterilizing high requirement, need pressurization, can meet compared with high ethylene oxide gas concentration, more suitable humiture and enough sterilization times the article (if craniocerebral operations apparatus, operation on heart apparatus, blind hole medical apparatus and instruments, baroque medical apparatus and instruments are as respirator, dialysis machine, Minimally Invasive Surgery apparatus) that sterilizing requires

Provide concrete sterilizing embodiment below.

The sterilization mechanism of oxirane is because it can alkylating occur with protein, DNA and RNA.Its energy and amino (NH2), carboxyl (COOH), hydroxyl (OH), sulfydryl (SH) react, and replace the hydrogen atom on these genes, form ethoxy (CH ₂cH ₂oH) compound, makes the metabolism generation obstacle of microorganism and death.

Bacillus subtilis black variety bud cell, is a kind of brood cell bacterium more intense to oxirane resistance, and in this test, our choosing uses it as the biological indicator of sterilization test.Because sporeformer surface is multiple structure, shell is abundant, thalline water content is few, have 2, dipicolimic acid 2 also exists with the form of calcium salt, lipid material content is many, contains two more valence metal ions etc., so brood cell all has very strong resistance to the effect of various physical chemistry disinfection factors simultaneously.Therefore, this test and Selection bacillus subtilis black variety bud cell is test organisms.Concrete employing taken out negative pressure dosing, the mode of malleation sterilizing.

Biological indicator: bacillus subtilis black variety bud cell bacterium sheet (ATCC9372) is provided by Microbiology and Epidemic Disease Inst., Academy of Military-Medical Sciences (C, bacteria containing amount 1.0 × 10 ⁶cfu/ sheet, lot number: 960220;

Chemistry indicating card: ethylene oxide sterilizing indicating card, is provided by University Of Tianjin;

Oxirane: purity 99%, is provided by Nanjing Chemical Industrial head factory;

Culture medium: ordinary nutrient agar culture medium, common nutrient broth pipe, 0.03M PBS buffer, subpackage sterilizing is for subsequent use.

Test method:

Chemical indicating card and bacillus subtilis black variety bud cell bacterium sheet are packed in paper bag simultaneously, again paper bag is packed in plastic bag and sealing, then snellen test is packed into carton (extranal packing box) middle part that sanitary towel is housed, joint sealing is proof box, point upper, middle and lower-ranking in sterilizing storehouse, every layer by before, during and after lay a proof box, 9 points of cloth altogether at every turn.In the time of sterilizing, first pass into ethylene oxide sterilizing agent, to the scheduled time, bring down stocks one hour, open sterilizing storehouse, take out proof box and send immediately the paper bag that chemical indicating card and bacterium sheet are housed back to sterilizing room, open paper bag with sterile working's formality and take out bacterium sheet, put into sterilizing PBS buffer pipe rapping 80 times by the brood cell's eluting on bacterium sheet, then eluent is inserted in sterilizing plate, pour into cultivate as Nutrient agar and calculate sterilizing rate, separately get in snellen test bacterium sheet is seeded to and in nutrient broth pipe, puts into 36 ℃ of incubators and cultivate 48 hours simultaneously, observation has asepsis growth (indicating bacteria growing if there is muddiness).Chemistry indicating card is with perusal

Becoming blue is completely that sterilizing is qualified.Test in triplicate.

Result of the test: chemical indicating card the results are shown in Table 1.Biological indicator's testing result is in table 2.

The chemical indicating card testing result of table 1

Table 2 biological indicator testing result

Referring to Fig. 3, Fig. 4, Fig. 5, oxirane waste gas chemical combination blood processor, comprises air pump, combination apparatus 101, Gas-liquid pump 102, tubulent contact tower 103 and disperser 104;

Air pump is connected with the air inlet 2 of combination apparatus 101, and transfer rings oxidative ethane waste gas is to combination apparatus;

Combination apparatus 101 comprises combination apparatus casing 409, in combination apparatus casing 409, be provided with multiple reactors 410 arranged side by side, the gas circuit tube inlet being connected with air inlet 402 is arranged on the bottom of reactor 410, in reactor 410, be filled with sulfonating reaction agent, upwards in the approach of dissipation, be provided with gas assisted reaction device at gas, the outlet of gas circuit pipe is arranged on reactor upper surface and is connected with the gas circuit pipe import of next reactor, and the gas circuit pipe outlet of last reactor is connected with gas outlet 7;

Gas-liquid pump 102 is connected with the gas outlet 407 of combination apparatus 101, and the residual ethylene that export gas outlet 407 102 is fully mixed with hot water in Gas-liquid pump, is then pumped in tubulent contact tower;

The bottom water inlet of tubulent contact tower 103 is connected with Gas-liquid pump 102, in tubulent contact tower 103, be provided with multilamellar catch net, between catch net, be provided with hollow turbulence sphere 305, turbulence sphere 305 is jumped by hot water from bottom to top, the impact rolling of air-flow in tubulent contact tower 103, and residual ethylene and water are fully dissolved;

Disperser 104 is connected with the outlet at tubulent contact tower 103 tops, and disperser 104 is separated the water and the steam that are dissolved with oxirane waste gas.

Concrete, described combination apparatus 102 is also provided with the cooling water circulation pipeline that comprises water inlet 1 and outlet 15, and cooling water circulation pipeline is arranged on the surrounding of reactor 410.

Further, described gas assisted reaction device comprises decentralized network 411 and airflow-distribution board; Described decentralized network 411 is provided with multiple pores, and is crisscross arranged, and ethylene oxide gas is dispersed through decentralized network 411, reacts with sulfonating reaction agent; Described airflow-distribution board is alternately arranged along gas rising path, extends the rise time of gas;

In reactor, be also provided with allotter 413, collecting and distributing box 412 and air filter cover 405, described allotter 413 is gas-liquid separator, the carbon dioxide that sulfonating reaction is produced separates with sulfonating reaction thing, sulfonating reaction thing is concentrated on collecting and distributing box 412, and carbon dioxide and the gas of processing are discharged next stage reactor by air filter cover.

Such as, described decentralized network 411 forms and forms a large amount of pores by the distortion of multiple tracks tinsel.

Described combination apparatus also comprises the combination apparatus removable cover 403 matching with combination apparatus casing 409, and adjacent reactor 410 separates by lattice baffle plate 406.Purposes or the effect of lattice baffle plate 406 please be described

Described reactor 410 is taken turns and is turned circulation: in the time approaching the sulfonating reaction agent in front reactor 410 of oxirane exhaust gas entrance and be depleted to a certain degree, by its taking-up and be replaced into reactor 410 thereafter, the corresponding reach of reactor 410 in downstream, finally the position of reactor 410 vacancies of reach is replaced by new reactor 410.

Described disperser 104 is also connected with microbial degradation pond by pipeline, is dissolved in microbial degradation, utilization that the oxirane waste gas in water is degraded by microorganisms in pond.

The upper cover 301 that described tubulent contact tower 103 comprises tower body 303 and matches with it, is provided with multiple tracks catch net in tower body 303, be placed with multiple turbulence spheres 305 between catch net; Water inlet 306 is arranged between the bracing frame 308 of tubulent contact tower 103 bottoms.

Described tubulent contact tower 103 bottoms are also provided with air inlet 309, blast the auxiliary turbulence sphere 305 jump upsets of gas by air inlet 309.

Described tubulent contact tower 103 is also provided with the window 3010 of monitoring use, so that observe.

While utilizing described oxirane waste gas chemical combination blood processor to carry out the processing of oxirane waste gas chemical combination, comprise the following steps:

1) oxirane waste gas is delivered to combination apparatus by air pump, in combination apparatus, oxirane waste gas carried out to chemical combination processing;

2) oxirane waste gas in combination apparatus with sulfonating reaction agent generation sulfonating reaction, the oxidized generation carbon dioxide of oxirane and ethylene glycol; The carbon dioxide and the residual ethylene waste gas that generate are expelled to tubulent contact tower;

3) residual ethylene waste gas exports tubulent contact tower to through Gas-liquid pump, the abundant mixed dissolution of hot water pumping into Gas-liquid pump in tubulent contact tower;

4) hot water of tubulent contact tower output carries out gas-liquid separation, molten the outputing in microbial degradation pond of liquid separating in separator.

Described sulfonating reaction agent is concentrated sulphuric acid, and this sulfonating reaction is heat release defence, is also provided with cooling water circulation pipeline in the surrounding of combination apparatus.

In described combination apparatus, the reactor of multiple series connection is set in oxirane gas circuit, oxirane waste gas after preceding reactor for treatment continues by posterior reactor for treatment, and oxirane waste gas is expelled to Gas-liquid pump by last reactor, then input to tubulent contact tower through Gas-liquid pump.

In described tubulent contact tower, be provided with multiple roads catch net, be placed with multiple turbulence spheres between catch net, turbulence sphere is subject to by current from bottom to top, gas shock and is jump, rotation, rolling state, impels ethylene oxide gas to be dissolved in the middle of hot water.

The hot water temperature who pumps in described tubulent contact tower is 30～45 ℃, and described turbulence sphere is hollow pitted skin silica-gel sphere.

Chemical combination processing method provided by the present invention, wherein in combination apparatus oxirane waste gas processed fall 80%～90%, chemical combination generates carbon dioxide, ethylene glycol and contains on a small quantity the air of oxirane waste gas, and wherein ethylene glycol is discharged by the feeding screw of combination apparatus bottom.

Remainder of exhaust gas is admitted to the hydration of two stage treatment equipment tubulent contact tower spray, has countless hollow pitted skin silica-gel spheres in tubulent contact tower.Rapid nodularization is closed tower in Gas-liquid pump air-blowing and increases under the effect of hot water, and turbulence sphere, by the impact of hot water air-flow from bottom to top, holds jump, rotation, rolling state, make residual ethylene waste gas and water fully molten with.

Referring to Fig. 6, microbial degradation subsystem provided by the invention, is based on Aeration tank, Sedimentation tank, filtering ponds, the oxirane waste gas being dissolved in waste water to be processed, wherein:

After oxirane waste gas is dissolved in the water, pending waste water Continuous Flow is through Aeration tank, Sedimentation tank, filtering ponds, wherein, in Aeration tank, utilize absorption and the metabolism of microorganism species, degraded oxirane waste gas, in Sedimentation tank, microorganism species and foreign material that can sedimentation are carried out to sedimentation, then discharge after filtering by filtering ponds;

In described Aeration tank, be provided with in advance and contain the waste water of cultivating acclimated microorganism flora, microorganism species is suspended in water or forms floccule body and is suspended in water, Aeration tank is also provided with dissolved oxygen control device, maintains the dissolved oxygen concentration in waste water, for microorganism species provides oxygen; In the time being dissolved with the waste water of oxirane waste gas and flowing in Aeration tank, the oxirane in the microorganism species degrading waste water in Aeration tank;

Described Sedimentation tank is vertical-flow Sedimentation tank, wherein erects and has multiple grids that are interspersed, and opening is formed on grid and Sedimentation tank top or bottom; In the time that Aeration tank waste water after treatment flow in Sedimentation tank, microorganism species is deposited in the bottom of Sedimentation tank; The bottom of Sedimentation tank is provided with the reflux line being connected with Aeration tank, by reflux line by the microorganism species of sedimentation and part return of waste water to Aeration tank, the microorganism species of remaining sedimentation and the foreign material of sedimentation are discharged from exhaust outlet;

Its pool wall of described filtering ponds, pond basal surface are all equipped with filtrate, and the particle diameter of filtrate increases with the filtering ponds degree of depth and strengthens gradually, is also provided with multiple filtration net in filtering ponds; In the time that filter tank has been in Sedimentation tank waste water inflow after treatment, by flowing out from pond bottom opening after multiple filtration.

Below in conjunction with links to further instruction of the present invention.

Microbial degradation is mainly that the microorganism species based on forming floccule body in Aeration tank carries out oxygenate degraded to the oxirane waste gas being dissolved in the water; Be aerobe processing in the time that microorganism species carries out oxygenate degraded time, the organic conversion including oxirane is under the condition of oxygen abundance, by microorganism, Organic substance is carried out with being combined to, and alienation is decomposed, and finally generates CO ₂, H ₂o, NH ₃, SO ₄ ^2-deng, they are drained with water, have realized the processing to oxirane waste gas.

Microbial degradation organic substance decomposing procedure schema shown in Figure 13, before carrying out microbial degradation, for oxirane waste gas, carry out following processing in early stage:

Oxirane waste gas is dissolved in the water, controls the ethylene oxide concentration that is dissolved in waste water, so that the degraded of microorganism; Can oxirane waste gas be removed to a part by chemical reaction by early stage and control ethylene oxide concentration, to make the ethylene oxide concentration in waste gas can be by water dissolution; Besides by water temperature control, increase oxirane and water contact impel oxirane to be dissolved in water.

Described Aeration tank effect is to supply dissolved oxygen to liquid phase, promotes biochemical reaction, and immixture promotes that microorganism species contacts with Organic substance, pollutant in water.

In described Aeration tank, be also provided with multiple gallerys that are interspersed, gallery opening head and the tail stagger, and form gallery type Aeration tank, and gallery bottom is provided with the gradient, and waste water flows downward along the gallery gradient.Also offer in gallery bottom the aeration opening or the air-blowing mouth that are connected with air, for the waste water between gallery provides dissolved oxygen amount.

Further, described being positioned between middle gallery is also provided with blender, after blender is driven, offers stirring, increases the dissolved oxygen amount of end gallery waste water, improves the wherein living environment of microorganism species.In described Aeration tank, be also provided with motor-driven dull and stereotyped impeller, dull and stereotyped impeller extend in waste water, and impeller diameter is 0.25～0.4 with the ratio that stretches into the depth of water, and the diameter of dull and stereotyped impeller is 0.8～1.2m.

Concrete, in Aeration tank, being also provided with multiple gallerys that are interspersed, gallery opening head and the tail stagger, and form gallery type Aeration tank, and gallery bottom is provided with the gradient, and waste water flows downward along the gallery gradient.Concrete referring to Fig. 8, standard type rectangle plug-flow gallery type, with four gallerys, abbreviation four gallery plug-flow aeration tanks.

For meeting the needs that stir, wide, the dark ratio of regulation gallery is less than 2m, specifically selects 1.5m, and prescribed depth is 3～5m, preferably 3m, and wide is 4.5m.For preventing short stream, regulation gallery length-width ratio should be greater than 4～5, preferably 6m, and pond is long is 27m.Like this inside dimension of Aeration tank for the wide x of long x high=27x4.5x3m.During for anti-mixing, mixed liquor is excessive, highly increases to 3.5m, the high 3m of liquid level, and 364.5 cubic metres of volumes, for preventing that waste water and flora from, in the diffusion of pond face, forming short stream, general water inlet is located under water.Water inlet is pulled control, water outlet downflow weir control with lock.

The degree of depth understanding of Aeration tank differs, the economic depth of recommending is 4-5m, in use, most units use Inka aeration pond, its advantage is that the area contacting with air is large, cost economic, but along with land used growing tension, developed again now deep water Aeration tank, Chi Shen is generally 20m and has plenty of 50m, even 150m.

Give mixed liquor oxygenation mode a lot, concrete mechanical agitation applicatory has two kinds of modes available:

A. to force and stir selected impeller form be dull and stereotyped impeller to motor.Impeller and aeration cylinder diameter ratio are 1/3～1/5 to be advisable in accordance with regulations, and gallery is 6.75m*4.5m, is 1m therefore select dull and stereotyped impeller diameter.Impeller diameter should be 2/5～1/4 with the ratio of the depth of water in accordance with regulations.Selected impeller diameter is 1m, and the depth of water is 3m, on the occasion of in this scope, illustrates that type selecting is reasonable.Impeller is havoc flora floccule body too, too little oxygenation deficiency again.Mixed liquor is too dark, and bottom water turns on being difficult for stirring, and easily forms stagnant water layer.Therefore we select depth of water 3m, impeller diameter 1m is rational.

The calculating of dull and stereotyped impeller:

The oxygenation capacity of Aeration tank: regulation requirement, the dissolved oxygen concentration of Aeration tank must not be lower than 2mg/L.

Selected Aeration tank volume is 364.5m ³.

Oxygenation capacity Qs=364.5*10 ³* 2*10=0.729kg

In other words, 364.5m in Aeration tank ³volume must have 0.729kg oxygen, and this is the condition that maintains minimum balance, considers all impacts in actual use, and Qs can reach 5～10kg.The shaft power of selected motor is 4KW.Impeller height H=110mm, the number of blade 26, gets 12.Impeller edge is 800mm far from the minimum range of pool wall, and bracket bottom to the minimum range on impeller top is 800mm.

Gallery pulling flow type rectangle Aeration tank, waste water flows into from one end, advances with spiral-flow type, through mixing with gas, and flows through after whole Aeration tank, flows out to end.It has following features: (1), control on Aeration tank length direction, the living environment of microorganism constantly changes, and nutrient constantly reduces.(2), at the Aeration tank waste water end that becomes a mandarin, the utilization rate of oxygen is very high, and the utilization rate of outflow end oxygen is very low.Just because of this, we are forcing blender to be contained in the 3rd gallery.Can make like this dissolved oxygen amount of end increase, improve the living environment of microorganism.

Microorganism species cultivation and domestication

After Aeration tank is built up, before operation, must carry out cultivation and the domestication of microorganism species (P-L activation mutation flora), the cultivation domestication of described microorganism species is undertaken by following operation;

1) in mutation flora procreation groove, pass into the water that contains oxirane, wherein the mass concentration of oxirane be 2～5%, 25～35 ℃ of water temperatures, flow velocity 0.075～0.175M/min, and the pH that controls water is 6.5～7.5;

2) under aeration condition, at inoculation of medium microorganism species, and culture medium is put in activation mutation flora procreation nest, then activation mutation flora procreation nest is put into inducing culture in mutation flora procreation groove;

3) after continuous culture, collect the thalline in activation mutation flora procreation nest, and put in P-L activation mutation flora procreation nest after planting culture medium, in mutation flora procreation groove, continue to cultivate; Collect the precipitum that comprises thalline in current simultaneously, after the thalline in precipitum is separated, be inoculated in culture medium, then put in P-L activation mutation flora procreation nest, in mutation flora procreation groove, continue to cultivate;

4) after repeatedly cultivating according to step 3) repetitive cycling, collect the thalline in activation mutation flora procreation nest, mix, obtain the activation mutation flora of oxirane mutation.

The strain that unlinks belongs to (Cycloclast), vibrio (Virbria), zygosaccharomyces (Dseudomonas), photosynthetic bacteria (Photosynthesisbacteria), Nitrobacter (Nitrobacter or Nitrosmonas), bacillus cereus (bacillus), lactobacillus (lactobacillus), bacillus subtilis (subtilis), actinomycetes (Actinomycete), yeast (microzyme), Acetobacter sp. (Acetobacter), azotobacter (Azotobacter), escherichia coli (Escherichia Coil), gas enterobacteria (Enterobcteraerogenes), through spore yeast (Frichospomn Cutatmum), pseudomonas (pseudomona sp).

The performance indications of P-L activation mutation flora

P-L activates the performance of mutation flora, is determining the quality of clean-up effect.Require flora grain loose in absorption phase, surface area is large, easily adsorb organic compound; In the mud-water separation stage, wish cohesion and settling property that flora has had.

The index of reflection flora performance has, flora concentration (MLSS), the i.e. concentration of mixed liquor suspended solid, MLSS; Flora settling ratio (SV); Flora bulk index (SVI) and flora dnesity index (SDI).

Flora concentration (MLSS)

It refers to the mixed liquor of waste water and P-L activation mutation flora in Aeration tank, the concentration of suspended solid.In engineering, often activate the index of mutation flora microbial biomass using MLSS as indirect metering P-L.

Flora settling ratio (SV)

Flora settling ratio refers to Aeration tank mixed liquor, in 100mg graduated cylinder, leaves standstill after 30min the volume ratio (%) of sedimentation flora and mixed liquor.It is to evaluate P-L activation mutation flora important indicator.The SV value of general municipal sewage is in 15～20% normal range, and flora concentration is excessive, and discharge unit flora, exceeds normal range of operation, analyze reason.

Flora index (SVI)

Mixed number more than Aeration tank.Leaving standstill after 30min, every gram of volume (ml) that suspended solid occupies, is called flora bulk index.Its value is calculated with following formula:

SVI = \frac{10^{4} SV}{X} (ml / g)

If SV=30%, X is that mixed liquor suspended solid, MLSS concentration equals 3000mg/L,

SVI = \frac{10^{4} * 30}{3000} = 100 ml / g

Flora dnesity index (SDI)

Aeration tank mixed liquor, is leaving standstill after 30min, and the grams of the P-L activation mutation flora suspended solid in 100ml sedimentation flora, is called flora dnesity index.

Flora index (SVI)

Also be to represent the flocking settling of P-L activation mutation flora and the index of concentrated performance simultaneously.When SVI is low, settling property is good, but absorption property is poor.When SVI is high, settling property is bad, even if there is good absorption property, and can not fine control mud-water separation.Under normal circumstances, municipal sewage SVI value is between 50-150.

The performance monitoring of P-L activation mutation flora

Flora settling ratio (SV) is with < 30% for well, and every 2-4h measures once.

Flora index (SVI), take 50-150 as desirable, reaches more than 200, and flora may expand.

Flora concentration (MLSS or MLVSS), conventionally MLSS=1500～2000mg/L.The essential condition of the efficient operation of oxygen P-L activation mutation flora method.How many oxygen supplys generally uses mixed liquor.The concentration control of dissolved oxygen, dissolved oxygen concentration is advisable to be not less than 2mg/L in general.

So, the microorganism species according in following requirement control Aeration tank waste water:

Flora concentration is 1500～2000mg/L, and described flora concentration refers to the concentration of the flora floccule body suspending in Aeration tank waste water;

Flora settling ratio < 30%, every 2～4h measures once; Described flora settling ratio refers to that Aeration tank waste water leaves standstill after 30min, the volume ratio of sedimentation flora and waste water;

Flora bulk index is 50～150ml/g, and described flora bulk index refers to that Aeration tank waste water leaves standstill after 30min, and the volume that the flora floccule body of every gram of suspension occupies, calculates with ml/g;

And control dissolved oxygen concentration in Aeration tank waste water and be not less than 2mg/L.

Described microorganism is repaired in groove and is provided with multiple bacterium nests that contain culture medium, in culture medium, inoculation has the microorganism species of cultivating acclimated microorganism flora or Sedimentation tank sedimentation through Aeration tank, microorganism species is multiplied growth and is repaired in groove and spread in microorganism in bacterium nest, in the time that waste water flow into microorganism reparation groove, the oxirane of remnants in microorganism species degrading waste water; Microorganism is repaired groove and is also provided with the reflux line being connected with Aeration tank, and the return of waste water that contains microorganism species by reflux line is to Aeration tank.

In described microorganism reparation groove, be provided with the chain row who is connected between drivewheel and driven pulley, bacterium nest is fixedly connected on chain row, on chain row, be also fixed with scraper plate, by driving drivewheel to make chain row circulating rolling, the microorganism species of sedimentation and foreign material are moved to reflux line entrance or outlet place by scraper plate; And the microorganism species being suspended in waste water flow in Sedimentation tank with waste water.

In mass fraction, the component of described culture medium comprises:

2～5% maltose, 2.5～10% glucose, 15～20% agar, 1～1.5% dipotassium hydrogen phosphate, 5～10% tryptone, 5～8% yeast extract, 10～15% Carnis Bovis seu Bubali cream, 15～25% soluble starch, distilled water complements to 100%;

The microorganism species of inoculating in culture medium comprises the microorganism species of following kind:

Sedimentation tank

The quality of Sedimentation tank task performance directly affects operation and the treatment effect of whole system.Its effect is the P-L activation mutation flora separating in Aeration tank water outlet.Sedimentation effect is bad, not only affects effluent quality, and can reduce backflow flora concentration, affects from every side effluent quality.

The construction of Sedimentation tank, has three kinds of forms conventionally, i.e. flat flow, vertical-flow and radial-flow.Vertical-flow owing to obtaining larger flora concentration, and have take up an area few, and the advantage such as spoil disposal is convenient, thereby application is wider.

For convenience of management, the end face in Sedimentation tank and Aeration tank and filter tank is contour.

Concrete, Sedimentation tank adopts grid vertical-flow, and it can primary water, can concentrate again flora, has possessed the functional requirement of sedimentation tank.Its water inlet of described Sedimentation tank is mutually concordant with outlet, and described Sedimentation tank is vertical-flow Sedimentation tank, wherein erects and has multiple grids that are interspersed, and opening is formed on grid and Sedimentation tank top or bottom; In the time that Aeration tank waste water after treatment flow in Sedimentation tank, flow along grid opening, waste water flow velocity is slow, and the microorganism species of suspension is deposited in the bottom of Sedimentation tank.

Flora return-flow system---the part in sedimentation tank and precipitation flora, then be back to Aeration tank, rely and carry out the microorganism of biochemical reaction to supply Aeration tank.Residue flora exhaust system---in Aeration tank, flora constantly rises in value, and the flora of propagation, as residue flora, is discharged from exhaust system.

Filtering ponds

Biofilter, mainly by filtrate, at the bottom of pool wall, pond, cloth wetting system and drainage system composition.In described filtering ponds, adopt baton round as filtrate, it adopts the baton round of diameter 100～150mm at the bottom of pond, adopts the baton round of diameter 25～50mm at Chi Ding; Middle part at filtering ponds is also provided with multiple padding layer, and padding layer is provided with cellular hydrops plastics orifice plate.

Filtrate is biofilm medium, on the task performance impact of biofilter greatly.We select baton round to do filtrate, and it can meet the whole requirements to filtrate completely.This surface can reach 100～200m ²/ m ³, porosity is up to 80～95%, and air flow is had friendly relations.

Masonry concrete framework for pool wall.At the bottom of pond, make with perforation concrete plate, it is easy to process, installs easily, does not misplace, and have enough infiltrations and draught area while stacking filtrate.It is generally acknowledged that this area should reach 15～20% of filter tank cross-sectional area.Therefore, the pool wall of described filtering ponds adopts masonry concrete framework, and at the bottom of pond, 15～20% of cross-sectional area adopt perforation concrete plate arrange and form, and between perforation concrete plate is adjacent, spacing 1～10cm is parallel evenly arranges.

Scheme is built in Aeration tank, sedimentation tank and filter tank jointly, as shown in Figure 9, Figure 10.Why three builds jointly, and the 1st, convenient management, the 2nd, build economy, the 3rd, layout is reasonable.

Backflow flora from sedimentation tank to Aeration tank, wants to reach proper flow, without power in the situation that, refluxes by siphon, and probability is very little, can only, in water inlet pipe threeway place of Aeration tank, be processed with the joint of throat, causes flora to reflux by the negative pressure of throat.

Provide the cyclic microorganism that an Aeration tank, microorganism reparation, Sedimentation tank form below, and with the embodiment of this oxirane of degrading:

Based on biodegradable oxirane exhaust treatment system, comprise the Aeration tank, Sedimentation tank and the filtering ponds that are connected by pipeline;

The water inlet of Aeration tank is connected with oxirane waste gas dissolver, and outlet is connected with the water inlet of Sedimentation tank, is placed with and cultivates acclimated microorganism flora in Aeration tank, and microorganism species is suspended in water or forms floccule body and is suspended in water; In Aeration tank, be also provided with dissolved oxygen control device, maintain the dissolved oxygen concentration in waste water, for microorganism species provides oxygen;

Sedimentation tank is vertical-flow Sedimentation tank, wherein erects and has multiple grids that are interspersed, and opening is formed on grid and Sedimentation tank top or bottom; Sedimentation tank is also provided with the reflux line being connected with Aeration tank, by reflux line by the microorganism species of sedimentation and part return of waste water to Aeration tank, the microorganism species of remaining sedimentation and the foreign material of sedimentation are discharged from exhaust outlet; The outlet of Sedimentation tank is connected with the water inlet of filtering ponds;

Referring to Fig. 9, Figure 10, between described Aeration tank and Sedimentation tank, be also provided with microorganism and repair groove, Aeration tank waste water after treatment first flow into microorganism and repairs in groove, and then flows out in Sedimentation tank;

Referring to Figure 11, Figure 12, described microorganism is repaired groove and is comprised cell body 502, is provided with multiple bacterium nests 504 that contain culture medium in cell body 502, and in culture medium, inoculation has microorganism species; Microorganism is repaired groove and is also provided with the reflux line being connected with Aeration tank, and the return of waste water that contains microorganism species by reflux line is to Aeration tank.

In the cell body 502 of described microorganism reparation groove, be provided with the chain row 506 who is connected between drivewheel 503 and driven pulley 507, bacterium nest 504 is fixedly connected on chain row 506, on chain row 506, be also fixed with scraper plate 505, drive drivewheel 503 to make chain arrange 506 circulating rollings, the microorganism species of sedimentation and foreign material are moved to reflux line entrance or outlet place by scraper plate 505.

On described cell body 502, offer with Aeration tank and export the water inlet 501 being connected, the outlet 508 being connected with Sedimentation tank, is also provided with collecting box 509 at outlet place.

Described bacterium nest 504 comprises pedestal 601, on pedestal 601, be connected with guard 602, inoculation has the culture medium of microorganism species to be placed in guard 602, on pedestal 601, also offer the through hole matching with screw 604, screw 604 is connected with through hole through guard 602, culture medium 606, and guard 602, culture medium 606 are fixed on pedestal.

Between described screw and guard, be provided with flat shim 603; Pedestal 601 is fixedly connected with chain row by colloid.

In the time carrying out the degraded of oxirane waste gas, comprise the following steps:

In Aeration tank (10m × 8m × 5m), throw in culture medium and microorganism species, and to make flora concentration be 1500mg/L, flora bulk index is 50ml/g, and to control Aeration tank oxygen in water concentration be 2mg/L; Then pass into the current that contain oxirane, wherein the mass concentration of oxirane be 3%, flow velocity 0.1M/min;

Multiple P-L activation mutation floras procreation nests are set in microorganism reparation groove, place culture medium and inoculate the above-mentioned floras such as strain genus that unlink, inflow velocity 0.15L/min, the speed that flows to Sedimentation tank is 0.75L/min, the speed that is back to Aeration tank is 0.75L/min; The speed that Sedimentation tank is back to Aeration tank is 0.25L/min; In filtering ponds detected downstream ethylene oxide content situation of change;

In previous month, oxirane content detection is undesirable, then the water of filtering ponds is all back to Aeration tank (can suitably stop Aeration tank upland water when backflow); After one month, microorganism species system made, the oxirane after filtering ponds detects up to standard; Show that through repeated detection set up oxirane exhaust treatment system can be good at decomposing the oxirane in water.

Described sedimentation filter subsystem downstream is also provided with water body purification pond, throws in the chlorine dioxide that has mass concentration 1～5% in water body purification pond, kills filtering ponds and flows out the microorganism in water.Described sedimentation filter subsystem or the downstream in water body purification pond are also provided with biological monitoring subsystem, described biological monitoring subsystem comprises the biological monitoring pond that is provided with ecological gravel bed, in biological monitoring pond, be also provided with biological floating island, on it, plant and be implanted with biological monitoring plant, biological monitoring pond holds upland water, has wherein put multiple biological monitoring species in a suitable place to breed.

Upland water enters into biological monitoring pond after filtering by ecological gravel bed, the biological monitoring species of putting in a suitable place to breed in biological monitoring pond comprise one or more in Lumbricus, Misgurni anguillicaudati, shellfish, long-neck suction mudfish (street cleaner), Cyprinus carpio L., duck, Aicis galericulata, and the biological monitoring plant of planting on biological floating island comprises one or more in Rhizoma Acori Graminei, phragmites communis, Buxus sinica (Rehd.et Wils.).

Activated sludge after microorganism reparation Excreta and the life of adding fish, fowl, Lumbricus are drawn to rubbish, and plant base of leaf enters methane-generating pit and carries out deactivation disposal.Natural pond slag is for cultivating the organic fertilizer of Lumbricus, mushroom and green plants, and natural pond liquid is used for watering monitoring plant and afforestation vegetation.Ecological gravel bed and biological floating island are the biosystems that further purifies and possess simultaneously monitoring function.Biological floating island plant is specified Rhizoma Acori Graminei and phragmites communis, underlying bacterium nest.Shrub plant Buxus sinica (Rehd.et Wils.) is the monitoring seeds that specific ethylene oxide gas leaks.Lumbricus, Misgurni anguillicaudati, shellfish, long-neck suction mudfish (street cleaner), Cyprinus carpio L., duck, Aicis galericulata are that this technology is specified biological monitoring species.And all sleet precipitation, all collections, storage, purification, for subsequent use.The waste water of all coolings, chemical combination, flushing, all purifies and recycles, and has guaranteed wastewater zero discharge; And can again recycle for the waste water reclaiming.

Claims

1. ethylene oxide sterilizing and a zero waste gas emission system for handling, is characterized in that, comprising:

2. ethylene oxide sterilizing as claimed in claim 1 and zero waste gas emission system for handling, is characterized in that, described ethylene oxide sterilizing device comprises:

Sterilizing control unit comprises clock control circuit, sterilising conditions optimization unit and signal transmitting and receiving unit; The time of ethylene oxide sterilizing in clock control circuit monitoring sterilizing storehouse; Sterilising conditions is optimized the signal that unit sends according to control requirement and each sensor of best sterilization effect, to the temperature in sterilizing storehouse in sterilization process, pressure, humidity, ethylene oxide concentration and sterilization time Real-time solution, and send corresponding control signal by signal transmitting and receiving unit.

3. ethylene oxide sterilizing as claimed in claim 2 and zero waste gas emission system for handling, is characterized in that, the article of to be sterilized or sterilizing are taken out/put in described sterilizing storehouse, in the time that hermatic door is opened; After hermatic door is shut, sterilizing storehouse forms airtight pressure-bearing space;

4. ethylene oxide sterilizing as claimed in claim 2 and zero waste gas emission system for handling, it is characterized in that, described hermatic door is the hermatic door of automatically controlling, comprise slide control mechanism and the automatic tensioning mechanism of the manipulation that is subject to sterilizing control unit, slide control mechanism is driven docking of hydrodynamic reciprocating sealing door and sterilizing storehouse, after automatic tensioning mechanism is driven by hermatic door and sterilizing storehouse press seal;

5. ethylene oxide sterilizing as claimed in claim 2 and zero waste gas emission system for handling, it is characterized in that, in the time of sterilizing, in the time that the ethylene oxide concentration in sterilizing storehouse reaches default concentration threshold, sterilizing control unit control Safety control valve is opened, discharge section gas.

6. ethylene oxide sterilizing as claimed in claim 2 and zero waste gas emission system for handling, it is characterized in that, described oxirane storage tank is connected with sterilizing storehouse by gas converting heat pipe, gas converting heat pipe is as in water temperature case, water temperature in water temperature case remains on 80～90 ℃, in water temperature case, be also provided with temperature sensor and floodometer, monitor respectively water temperature and water level.

7. ethylene oxide sterilizing as claimed in claim 2 and zero waste gas emission system for handling, it is characterized in that, the signal that temperature sensor in sterilizing control unit reception water temperature case and floodometer send, in the time that needs regulate according to priority, the hot water first providing with solar energy is supplied, supply if the hot water providing with methane energy again can not be provided, the hot water that can't meet Shi Zaiyong city electric energy provides is supplied;

8. ethylene oxide sterilizing as claimed in claim 2 and zero waste gas emission system for handling, it is characterized in that, under the control of sterilizing control unit, described temperature-adjusting device adopts stage heating: heat, stop, heating, stop, progressively heating approaches predetermined temperature;

9. ethylene oxide sterilizing as claimed in claim 2 and zero waste gas emission system for handling, is characterized in that, described ethylene oxide content monitoring device comprises:

10. ethylene oxide sterilizing as claimed in claim 2 and zero waste gas emission system for handling, is characterized in that, after sterilizing completes, sterilizing control unit control air pump and gas exhaust piping are opened, and oxirane waste gas is discharged from oxirane exhaust emission tube road;

11. ethylene oxide sterilizings as claimed in claim 1 and zero waste gas emission system for handling, it is characterized in that, described combination apparatus comprises combination apparatus casing, in combination apparatus casing, be provided with multiple reactors arranged side by side, the gas circuit tube inlet being connected with air inlet is arranged on the bottom of reactor, in reactor, be filled with sulfonating reaction agent, upwards in the approach of dissipation, be provided with gas assisted reaction device at gas, the outlet of gas circuit pipe is arranged on reactor upper surface and is connected with the gas circuit pipe import of next reactor, the gas circuit pipe outlet of last reactor is connected with gas outlet,

12. ethylene oxide sterilizings as claimed in claim 11 and zero waste gas emission system for handling, is characterized in that, described combination apparatus is also provided with the cooling water circulation pipeline that comprises water inlet and outlet, and cooling water circulation pipeline is arranged on the surrounding of reactor.

13. ethylene oxide sterilizings as claimed in claim 11 and zero waste gas emission system for handling, is characterized in that, described gas assisted reaction device comprises decentralized network and airflow-distribution board; Described decentralized network is provided with multiple pores, and is crisscross arranged, and ethylene oxide gas is dispersed through decentralized network, reacts with sulfonating reaction agent; Described airflow-distribution board is alternately arranged along gas rising path, extends the rise time of gas;

14. ethylene oxide sterilizings as claimed in claim 11 and zero waste gas emission system for handling, is characterized in that, described decentralized network forms and form a large amount of pores by the distortion of multiple tracks tinsel;

15. ethylene oxide sterilizings as claimed in claim 11 and zero waste gas emission system for handling, it is characterized in that, described reactor wheel turns circulation: in the time approaching the sulfonating reaction agent in front reactor of oxirane exhaust gas entrance and be depleted to a certain degree, by its taking-up and be replaced into reactor thereafter, the corresponding reach of reactor in downstream, finally the position of the reactor vacancy of reach is replaced by new reactor.

16. ethylene oxide sterilizings as claimed in claim 11 and zero waste gas emission system for handling, is characterized in that, the upper cover that described tubulent contact tower comprises tower body and matches with it is provided with multiple tracks catch net in tower body, be placed with multiple turbulence spheres between catch net; Water inlet is arranged between the bracing frame of tubulent contact tower bottom.

17. ethylene oxide sterilizings as claimed in claim 11 and zero waste gas emission system for handling, is characterized in that, described tubulent contact tower bottom is also provided with air inlet, blasts the auxiliary turbulence sphere jump of gas upset by air inlet.

18. ethylene oxide sterilizings as claimed in claim 1 and zero waste gas emission system for handling, is characterized in that, is also provided with dissolved oxygen control device in described Aeration tank, maintains the dissolved oxygen concentration in waste water, for microorganism species provides oxygen;

19. ethylene oxide sterilizings as claimed in claim 18 and zero waste gas emission system for handling, is characterized in that, is also provided with multiple gallerys that are interspersed in described Aeration tank, gallery opening head and the tail stagger, form gallery type Aeration tank, gallery bottom is provided with the gradient, and waste water flows downward along the gallery gradient.

20. ethylene oxide sterilizings as claimed in claim 18 and zero waste gas emission system for handling, is characterized in that, also offers the aeration opening or the air-blowing mouth that are connected with air, for the waste water between gallery provides dissolved oxygen amount in gallery bottom.

21. ethylene oxide sterilizings as claimed in claim 18 and zero waste gas emission system for handling, it is characterized in that, described being positioned between middle gallery is also provided with blender, after blender is driven, offers stirring, the dissolved oxygen amount that increases end gallery waste water, improves the wherein living environment of microorganism species.

22. ethylene oxide sterilizing and zero waste gas emission system for handling as described in claim 18 or 21, it is characterized in that, in described Aeration tank, be also provided with motor-driven dull and stereotyped impeller, dull and stereotyped impeller extend in waste water, impeller diameter is 0.25～0.4 with the ratio that stretches into the depth of water, and the diameter of dull and stereotyped impeller is 0.8～1.2m.

23. ethylene oxide sterilizings as claimed in claim 18 and zero waste gas emission system for handling, it is characterized in that, between described Aeration tank and Sedimentation tank, be also provided with microorganism and repair groove, Aeration tank waste water after treatment first flow into microorganism and repairs in groove, and then flows out in Sedimentation tank;

24. ethylene oxide sterilizings as claimed in claim 23 and zero waste gas emission system for handling, it is characterized in that, in the cell body of described microorganism reparation groove, be provided with the chain row who is connected between drivewheel and driven pulley, bacterium nest is fixedly connected on chain row, on chain row, be also fixed with scraper plate, drive drivewheel to make chain row circulating rolling, the microorganism species of sedimentation and foreign material are moved to reflux line entrance or outlet place by scraper plate.

25. ethylene oxide sterilizings as claimed in claim 23 and zero waste gas emission system for handling, is characterized in that, offers with Aeration tank and export the water inlet being connected on described cell body, and the outlet being connected with Sedimentation tank, is also provided with collecting box at outlet place.

26. ethylene oxide sterilizings as claimed in claim 23 and zero waste gas emission system for handling, it is characterized in that, described bacterium nest comprises pedestal, on pedestal, be connected with guard, inoculation has the culture medium of microorganism species to be placed in guard, on pedestal, also offer the through hole matching with screw, screw is connected with through hole through guard, culture medium, and guard, culture medium are fixed on pedestal.

27. ethylene oxide sterilizings as claimed in claim 23 and zero waste gas emission system for handling, is characterized in that, also offers passage, printing opacity mouth on described cell body, and the control valve matching with it;

28. ethylene oxide sterilizings as claimed in claim 23 and zero waste gas emission system for handling, is characterized in that, described guard is formed by the braiding of multilamellar nonmetallic materials, has between layers fine and close mesh.

29. ethylene oxide sterilizings as claimed in claim 23 and zero waste gas emission system for handling, is characterized in that, the component of described culture medium comprises:

30. ethylene oxide sterilizings as claimed in claim 23 and zero waste gas emission system for handling, is characterized in that, the microorganism species of inoculating in described culture medium comprises the microorganism species of following kind:

31. ethylene oxide sterilizings as claimed in claim 18 and zero waste gas emission system for handling, it is characterized in that, its water inlet of described Sedimentation tank is mutually concordant with outlet, in described Sedimentation tank, erect and have multiple grids that are interspersed, opening is formed on grid and Sedimentation tank top or bottom, and adjacent apertures is staggered up and down.

32. ethylene oxide sterilizings as claimed in claim 18 and zero waste gas emission system for handling, it is characterized in that, in described filtering ponds, adopt baton round as filtrate, it adopts the baton round of diameter 100～150mm at the bottom of pond, adopts the baton round of diameter 25～50mm at Chi Ding; Also be provided with multiple padding layer as filter screen at the middle part of filtering ponds, padding layer is provided with cellular hydrops plastics orifice plate.

33. ethylene oxide sterilizings as claimed in claim 18 and zero waste gas emission system for handling, it is characterized in that, the pool wall of described filtering ponds adopts masonry concrete framework, at the bottom of pond, 15～20% of cross-sectional area adopt perforation concrete plate arrange and form, and between perforation concrete plate is adjacent, spacing 1～10cm is parallel evenly arranges.

34. ethylene oxide sterilizings as claimed in claim 1 and zero waste gas emission system for handling, it is characterized in that, upland water enters into biological monitoring pond after filtering by ecological gravel bed, the biological monitoring species of putting in a suitable place to breed in biological monitoring pond comprise one or more in Lumbricus, Misgurni anguillicaudati, shellfish, long-neck suction mudfish (street cleaner), Cyprinus carpio L., duck, Aicis galericulata, and the biological monitoring plant of planting on biological floating island comprises one or more in Rhizoma Acori Graminei, phragmites communis, Buxus sinica (Rehd.et Wils.).

35. ethylene oxide sterilizings as claimed in claim 1 and zero waste gas emission system for handling, is characterized in that, described sedimentation filter subsystem is also connected with methane-generating pit, and precipitum, the filtrate of Sedimentation tank and filtering ponds are disposed in methane-generating pit.

36. ethylene oxide sterilizings as claimed in claim 1 and zero waste gas emission system for handling, it is characterized in that, the outlet of described oxirane waste gas chemical combination blood processor, microbial degradation subsystem, sedimentation filter subsystem, and in biological monitoring pond, be equipped with oxirane checkout gear.