CN203507806U - Ethylene oxide waste gas treatment device - Google Patents
Ethylene oxide waste gas treatment device Download PDFInfo
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- CN203507806U CN203507806U CN201320484503.1U CN201320484503U CN203507806U CN 203507806 U CN203507806 U CN 203507806U CN 201320484503 U CN201320484503 U CN 201320484503U CN 203507806 U CN203507806 U CN 203507806U
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Abstract
The utility model discloses an ethylene oxide waste gas treatment device. The ethylene oxide waste gas treatment device consists of a combination device, a turbulent ball combination tower, an aeration tank, a biological purification groove, a methane tank, a settling tank, a biological filter tank, an ecological gravel bed and a biological monitoring tank, which are sequentially connected with one another. The ethylene oxide waste gas treatment device is suitable for the harmless treatment of the ethylene oxide waste gas in a large-sized sterilizing center, good in treatment effect and capable of realizing zero emission. The ethylene oxide waste gas treatment device has an important significance on restoring and protecting the environment.
Description
Technical field
The utility model belongs to ethylene oxide sterilizing technical field of waste gas treatment, is specifically related to a kind for the treatment of apparatus of oxirane waste gas.
Background technology
Oxirane (EO) 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 bactericidal agent.
Article and penetration power that oxirane does not damage sterilizing are very strong, therefore most, should not sterilize and sterilizing by equal epoxy available ethane with the article of conventional method sterilizing.For example, electronic instrument, optical instrument, medicine equipment, books, file, fur, cotton, chemical fibre, plastic products, woodwork, pottery and metallic article, scope, dialyzer and disposable diagnosis and treatment articles for use etc.Oxirane is one of current topmost low temperature sterilization method.
The EO equipment of current domestic many plant produced, all without reliable exhaust treatment system, the waste gas innocuity disposal system of minority design is known as water-soluble solution mostly, and a kind of performing practically no function, extremely carefree to space drainage in fact.
Utility model content
It is good that the purpose of this utility model is to provide a kind for the treatment of effect, can realize processing method and the device of the oxirane waste gas of harmless discharge.
The technical scheme that realizes the employing of the utility model object is as follows:
The treating apparatus of the oxirane waste gas that the utility model provides, closes tower, aeration tank, biological cleaning groove, methane-generating pit, settling tank, biofilter, ecological gravel bed and biological monitoring pond by the combination apparatus connecting successively, rapid nodularization and forms.
Described combination apparatus, comprise closed box and composite filter gas tank with removable cover, closed box is provided with air inlet pipe, blast pipe, water inlet pipe, drainpipe, in closed box, by being provided with the baffle for separating of water hole, become some unitary spaces, a stainless steel pressure-bearing reactor is set in each unitary space, reactor comprises the shell that the concentrated sulfuric acid is housed, in shell, be respectively equipped with from top to bottom air filter cover, collecting and distributing box, pallet, distributor and decentralized network, each reactor is respectively equipped with upper cover, described reactor is connected with escape pipe successively by air inlet pipe, the reactor of most end passes into composite filter gas tank by blast pipe, described composite filter gas tank is provided with removable cover and establishes the delivery pipe of check valve, is inside provided with the independently three layer filtration device consisting of netted corrosion resistant plate, and circumnutate stainless steel cloth and machine oil are housed in orlop filter, in the filter of middle level, zeolite granular is housed, granule activated carbon is housed in upper filter.
Tower is closed in described rapid nodularization, comprise tower body, in described tower body, be provided with the some packing layers that are divided into by netted dividing plate, in described packing layer, be provided with the hollow pitted skin ball of silica gel filler, the bottom of described tower body is provided with hot water inlet, air inlet and oxirane exhaust gas inlet, and the top of described tower body is provided with aqueous vapor floss hole; Described packing layer is three layers, and each packing layer is built-in with the filler of 75% ratio that takes up space; The sidewall of described tower body is provided with observation window.
Described biological cleaning groove adopts P-L activation mutagenesis flora aerobic reaction groove, comprise that one end establishes the casing of water inlet, in casing, be provided with slewing equipment, described slewing equipment is provided with horizontal wing plate and some P-L activation mutagenesis flora procreation nests being evenly interspersed, the other end of casing is provided with collection cylinder, between collection cylinder and casing, establish overfall, on overfall, establish deflector, on collection cylinder, be also provided with overflow valve and blowoff valve.
Described P-L activation mutagenesis flora procreation nest, comprise bacterium family carrier that the nonmetal porous material of ring-type makes, for holding guard, the pallet of microbiological culture media, described bacterium family carrier is fixed on pallet, described guard is located in bacterium family carrier and is fixed on pallet, between described bacterium family's carrier and pallet, by asphalt adhesive is bonding, fix with screw, described guard is bolted on pallet, and the bottom of described pallet is provided with bayonet socket.
Described aeration tank, methane-generating pit, settling tank, biofilter, ecological gravel bed and biological monitoring pond all adopt prior art.
The utility model is suitable for the oxirane waste gas harmless treatment at large-scale sterilization center, and treatment effect is good, can realize zero-emission.To environment remediation, naturally friendly significant.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model device.
Fig. 2 is the structural representation of combination apparatus in the utility model device.
Fig. 3 is the structural representation that in the utility model device, tower is closed in rapid nodularization.
Fig. 4 is the structural representation of biological cleaning groove in the utility model device.
Fig. 5 be in Fig. 4 A-A to view.
Fig. 6 is the structural representation of P-L activation mutagenesis flora procreation nest in the utility model device.
The specific embodiment
See Fig. 1, the treating apparatus of the oxirane waste gas that the utility model provides, closes tower 2, aeration tank 3, biological cleaning groove 4, methane-generating pit 5, settling tank 6, biofilter 7, ecological gravel bed 8 and biological monitoring pond 9 by the combination apparatus 1 connecting successively, rapid nodularization and forms.
Combination apparatus as shown in Figure 2, comprises closed box 120 and composite filter gas tank 110 with removable cover 103, and casing 120 is provided with air inlet pipe 102, blast pipe 112, water inlet pipe 101, drainpipe 113, is separated into two unitary spaces by being provided with the dividing plate 106 of water hole in closed box 120, and a stainless steel pressure-bearing reactor 122 is set respectively in each unitary space, 111, reactor 122, 111 comprise respectively the shell 119 that the concentrated sulfuric acid is housed, 115, shell 119, the 115 interior air filter covers 105 that are respectively equipped with from top to bottom respectively, collecting and distributing box 117, pallet 121, distributor 116 and decentralized network 118, each reactor 122, 111 are respectively equipped with upper cover 104, described reactor 122, 111 by air inlet pipe 102, escape pipe 107 connects successively, the reactor 111 of most end passes into composite filter gas tank 110 by blast pipe 112, composite filter gas tank 110 is provided with removable cover (not shown) and establishes the delivery pipe 108 of check valve 109, inside be provided with the independently three layer filtration device being formed by netted corrosion resistant plate 114, No. 20 machine oil of circumnutate stainless steel cloth 123 and 2/3 container are housed in orlop filter, and it is the zeolite granular 124 of 2-3 cubic centimetre that volume is housed in the filter of middle level, granule activated carbon 125 is housed in upper filter.
The operation principle of combination apparatus: the waste gas that contains oxirane enters each reactor 122,111 combination apparatus from air inlet pipe 102,107, by air filter cover 105, collecting and distributing box 117, carry out first set reaction with the concentrated sulfuric acid in reactor 122,111, after reaction, generating glycol will take out collection after reacting full closing, and as industrial chemicals, further utilize; The residual air that reaction produces, needs further chemical combination to resolve because containing ethylene oxide gas; Residual air continue to arrive distributor 116 via decentralized network 118 to the dispersed secondary response that carries out of concentrated sulfuric acid dielectric solvent in combination apparatus, reaction generates the higher ethylene glycol sulfonated bodies of cement coefficient, is sepia; Residual air after secondary response enters composite filter gas tank 110 by blast pipe 112, after each filter adsorption filtration, becomes innocuous gas, then by delivery pipe 108, to place, discharges; In the time of combination apparatus work, the circulating water that can dispel the heat to closed box 120 injections of combination apparatus by water inlet pipe 101 and drainpipe 113, the heat producing when carrying out chemical reaction in order to reduce each reactor 122,111.
Rapid nodularization is closed tower as shown in Figure 3, comprise tower body, three cylinders 203 that described tower body is connected by fastening bolt 204 form, above the top cylinder 203, be provided with upper cover 201, between each cylinder 203, between cylinder 203 and upper cover, be provided with wire netting dividing plate (not shown), by wire netting dividing plate, be divided into three packing layers, each packing layer is built-in with the hollow pitted skin ball of the silica gel filler 205 of 75% ratio that takes up space, descend most the bottom of cylinder 203 to be provided with hot water inlet 206, air inlet 207 and oxirane exhaust gas inlet 208, upper cover 201 is provided with aqueous vapor floss hole 202, whole tower body is supported by bracing frame 209, on the sidewall of tower body apart from ground 1.5 meters be provided with observation window 210.
See Fig. 4, Fig. 5, biological cleaning groove 4 adopts P-L activation mutagenesis flora aerobic reaction groove, comprise that one end establishes the casing 402 of water inlet 401, in casing 402, be provided with by driving wheel 403, the slewing equipment that driven pulley 407 and the chain row 406 on driving wheel 403 and driven pulley 407 form, described chain row 406 is provided with horizontal wing plate 405 and some P-L activation mutagenesis flora procreation nests 404 being evenly interspersed, the other end of casing 402 is provided with collection cylinder 409, between collection cylinder 409 and casing 402, establish overfall 412, on overfall 412, establish deflector 408, on collection cylinder 409, be also provided with overflow valve 410 and blowoff valve 411.
Oxirane waste water through aeration tank 3 aeration oxygenations flows in the casing 402 of biological cleaning groove 4 from water inlet 401, slewing equipment rotates counterclockwise, wing plate 405 stirs the water body in casing 402, P-L activation mutagenesis flora procreation nest 404 is contacted with oxirane waste water better, the floating activated sludge that the P-L activation mutagenesis flora of taking over a job in P-L activation mutagenesis flora procreation nest 404 produces when participating in oxirane wastewater treatment is under the effect of deflector 408, from overfall 412, automatically flow in collection cylinder 409, the activated sludge being deposited in collection cylinder 409 is regularly discharged by blowoff valve 411, overflow valve 410 imports next procedure by the waste water that contains in a large number P-L activation mutagenesis flora, continue the degraded of next procedure.
Described P-L activation mutagenesis flora procreation nest as shown in Figure 6, comprise bacterium family carrier 4041 that the nonmetal porous material of ring-type makes, for holding guard 4042, the pallet 4046 of microbiological culture media, described bacterium family carrier 4041 can adopt air entrained concrete type piece, bonding fixing with screw 4047 by asphalt adhesive 4049 between described bacterium family's carrier 4041 and pallet 4046, described guard 4042 is located in bacterium family carrier and is fixed on pallet 4046 by bolt 4044 and packing ring 4045, and the bottom of described pallet 4046 is provided with bayonet socket 4048.
P-L activation mutagenesis flora procreation nest is when application; can utilize its bayonet socket 4048 to be easily installed on the interior chain row's 406 of biological cleaning groove 4 deck 4061; the effect of bacterium family carrier 4041 is to utilize its inner space to provide habitat for the P-L mutagenesis floras of multiplying in a large number in oxirane waste water; in guard 4042, can pack in laboratory the culture medium 4043 of the P-L bacterial classification of taking over a job into; in wastewater treatment process, guard 4042 is conducive to P-L mutagenesis flora and spreads in water, protects culture medium 4043 not to be scattered in water simultaneously.
Described aeration tank 3, methane-generating pit 5, settling tank 6, biofilter 7, ecological gravel bed 8 and biological monitoring pond 9 all adopt prior art; The one or both sides in biological monitoring pond 9 have numb stone slope and form ecological gravel bed 8, have biological floating island and all kinds of fish duck, river snail, calamus, reed, boxtree, recirculated water in pond, and they form biological monitoring system jointly.
The technical process that the utility model device is processed oxirane waste gas is as follows:
One, by large-scale Roots vaccum pump, take out and will in the oxirane waste gas suction combination apparatus after sterilizing 1, carry out combination reaction generating glycol with the concentrated sulfuric acid, surpass oxirane waste gas quilt reaction generating glycol in change and device 1 of 95%, regularly discharge, as the raw material of industry.
Two, remaining 3%～5% does not have combined oxirane waste gas, enters rapid nodularization and closes tower 2, with aerating current further hydration degraded in tower is closed in rapid nodularization of 85-95 ℃ under the effect of Gas-liquid pump.
Three, by rapid nodularization, closing hot water that tower 2 discharges flows into aeration tank 3 and carries out aeration oxygenate; The effect of aeration is to supply dissolved oxygen to liquid phase, promotes biochemical reaction, and immixture promotes P-L activation mutagenesis flora to contact with water pollutant.
Four, the oxirane waste water after aeration oxygenate enters biological cleaning groove 4 and carries out microbial degradation, and after microbial degradation, in waste water, ethylene oxide content reduces greatly.This processing step is the key that ethylene oxide sterilizing harmless treatment, environmental microorganism are repaired, and P-L activation mutagenesis flora procreation nest on biological cleaning groove 4 " undertaking and realizing this crucial important mission.During 4 work of biological cleaning groove, the waste water of discharging through the oxirane of inflation oxygenation, the flora of growing up strong and sturdy on eutrophy culture medium, the rapid nonmetal porous carrier procreation development to flora procreation nest.The healthy flora of these mutagenesis procreation, in the comfortable environment of happiness, greatly delighted engulfing, photosynthetic, enzymolysis, alienation, assimilation, is being oxidized harmful substance.Their mutual unity symbiosis, alienation procreation mutually, helps the mankind to make great efforts to change jointly, due to ignorant and the greedy own living environment of polluting.They are the energy throughout one's life of small body unexpectedly, is doing diligently the purification repair of natural environment.The part of biological cleaning groove 4 is back to aeration tank 3 containing the waste water of P-L activation mutagenesis flora and is used.
Five, the microorganism that the oxirane waste water after microbial degradation enters in 5 pairs of waste water of methane-generating pit carries out inactivation treatment, and the heavy metal in waste water is carried out to alkylation degraded; Methane-generating pit 5 can utilize local house refuse as raw material, and the biogas of generation is born the hydronic task of partial sterilization through microburner, and insufficient section is born by electric power, and the natural pond slag sludge that methane-generating pit leaches compresses after solid and will be first-class farmland fertilizer.
Six, the solidliquid mixture in methane-generating pit 5 is filtered, the waste water leaching enters settling tank 6, and the natural pond slag sludge leaching is used as fertilizer after concentrated solid; The quality of settling tank task performance directly affects operation and the treatment effect of whole system, and its effect is P-L in the water outlet of separated aeration tank activation mutagenesis flora, and the part waste water containing P-L activation mutagenesis flora is back to aeration tank 3 is used.
Seven, the discharge waste water of settling tank 6 enters biofilter 7, by harmful substance and the floating mud of foreign material in the further purifying biogas generating pit 5 filtrate waste water of Biofilm Environment; Filtrate in biofilter 7 is biofilm medium, on the task performance impact of biofilter greatly.Can select baton round to do filtrate, can meet the whole requirements to filtrate completely, this surface can reach 100～200 ㎡/m3, and porosity is up to 80～95%, and air stream is had friendly relations.
Eight, waste water enters ecological gravel bed 8 after biofilter 7 purifies, ecological gravel bed 8 is the numb stone slopes that are built in 9 one or both sides, biological monitoring pond, with biological floating island in biological monitoring pond 9 and all kinds of fish duck, river snail, calamus, reed, boxtree, the common biological monitoring system forming of recirculated water, it is the important component part at the large-scale sterilization of zero-emission center, to environment remediation, naturally friendly significant.
Nine, through biological monitoring pond, the water of 9 discharges can be delivered to relevant occasion to do water reuse 10 and to recycle.
Claims (4)
1. a treating apparatus for oxirane waste gas, is characterized in that by the combination apparatus connecting successively, rapid nodularization, closing tower, aeration tank, biological cleaning groove, methane-generating pit, settling tank, biofilter, ecological gravel bed and biological monitoring pond forms, described combination apparatus, comprise closed box and composite filter gas tank with removable cover, closed box is provided with air inlet pipe, blast pipe, water inlet pipe, drainpipe, in closed box, by being provided with the baffle for separating of water hole, become some unitary spaces, a stainless steel pressure-bearing reactor is set in each unitary space, reactor comprises the shell that the concentrated sulfuric acid is housed, in shell, be respectively equipped with from top to bottom air filter cover, collecting and distributing box, pallet, distributor and decentralized network, each reactor is respectively equipped with upper cover, described reactor is connected with escape pipe successively by air inlet pipe, the reactor of most end passes into composite filter gas tank by blast pipe, described composite filter gas tank is provided with removable cover and establishes the delivery pipe of check valve, is inside provided with the independently three layer filtration device consisting of netted corrosion resistant plate, and circumnutate stainless steel cloth and machine oil are housed in orlop filter, in the filter of middle level, zeolite granular is housed, granule activated carbon is housed in upper filter.
2. the treating apparatus of oxirane waste gas according to claim 1, it is characterized in that described rapid nodularization closes tower, comprise tower body, in described tower body, be provided with the some packing layers that are divided into by netted dividing plate, in described packing layer, be provided with the hollow pitted skin ball of silica gel filler, the bottom of described tower body is provided with hot water inlet, air inlet and oxirane exhaust gas inlet, and the top of described tower body is provided with aqueous vapor floss hole; Described packing layer is three layers, and each packing layer is built-in with the filler of 75% ratio that takes up space; The sidewall of described tower body is provided with observation window.
3. the treating apparatus of oxirane waste gas according to claim 2, it is characterized in that described biological cleaning groove adopts P-L activation mutagenesis flora aerobic reaction groove, comprise that one end establishes the casing of water inlet, in casing, be provided with slewing equipment, described slewing equipment is provided with horizontal wing plate and some P-L activation mutagenesis flora procreation nests being evenly interspersed, the other end of casing is provided with collection cylinder, between collection cylinder and casing, establish overfall, on overfall, establish deflector, on collection cylinder, be also provided with overflow valve and blowoff valve.
4. the treating apparatus of oxirane waste gas according to claim 3, it is characterized in that described P-L activation mutagenesis flora procreation nest, comprise bacterium family carrier that the nonmetal porous material of ring-type makes, for holding guard, the pallet of microbiological culture media, described bacterium family carrier is fixed on pallet, described guard is located in bacterium family carrier and is fixed on pallet, between described bacterium family's carrier and pallet, by asphalt adhesive is bonding, fix with screw, described guard is bolted on pallet, and the bottom of described pallet is provided with bayonet socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320484503.1U CN203507806U (en) | 2013-08-09 | 2013-08-09 | Ethylene oxide waste gas treatment device |
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| CN201320484503.1U CN203507806U (en) | 2013-08-09 | 2013-08-09 | Ethylene oxide waste gas treatment device |
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| CN203507806U true CN203507806U (en) | 2014-04-02 |
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| CN201320484503.1U Expired - Lifetime CN203507806U (en) | 2013-08-09 | 2013-08-09 | Ethylene oxide waste gas treatment device |
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Cited By (15)
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| CN103394278A (en) * | 2013-08-09 | 2013-11-20 | 杨欣蕾 | Method and device for processing ethylene oxide waste gas |
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| US11110390B1 (en) | 2020-03-18 | 2021-09-07 | Chio Kang Medical, Inc. | Systems and methods for treating sterilization exhaust gas containing ethylene oxide |
| US11124438B2 (en) | 2020-01-20 | 2021-09-21 | Chio Kang Medical, Inc. | Alcaligenes faecalis for degrading ethylene oxide |
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| US20210291105A1 (en) | 2020-03-19 | 2021-09-23 | Chio Kang Medical, Inc. | Ethylene Oxide Adsorption Tower and Recovery System, and Method for Recovering Ethylene Oxide |
| WO2021184605A1 (en) * | 2020-03-18 | 2021-09-23 | Qiaokang Biotech (Guangdong) Co., LTD. | Microbiological treatment system for ethylene oxide exhaust gas |
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- 2013-08-09 CN CN201320484503.1U patent/CN203507806U/en not_active Expired - Lifetime
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| CN103394278A (en) * | 2013-08-09 | 2013-11-20 | 杨欣蕾 | Method and device for processing ethylene oxide waste gas |
| US11124438B2 (en) | 2020-01-20 | 2021-09-21 | Chio Kang Medical, Inc. | Alcaligenes faecalis for degrading ethylene oxide |
| US11220667B2 (en) | 2020-01-20 | 2022-01-11 | Chio Kang Medical, Inc. | Bacteria for degrading ethylene oxide and applications thereof |
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| US11123680B1 (en) | 2020-03-18 | 2021-09-21 | Chio Kang Medical, Inc. | Devices, systems, and methods for treating ethylene oxide waste gas |
| US11110390B1 (en) | 2020-03-18 | 2021-09-07 | Chio Kang Medical, Inc. | Systems and methods for treating sterilization exhaust gas containing ethylene oxide |
| US11125498B1 (en) | 2020-03-18 | 2021-09-21 | Chio Kang Medical, Inc. | Gas liquefaction separator, gas liquefaction recovery system, and method for separating and recovering ethylene oxide |
| US11103829B1 (en) | 2020-03-18 | 2021-08-31 | Chio Kang Medical, Inc. | Systems and methods for treating ethylene oxide waste gas |
| WO2021184605A1 (en) * | 2020-03-18 | 2021-09-23 | Qiaokang Biotech (Guangdong) Co., LTD. | Microbiological treatment system for ethylene oxide exhaust gas |
| US11130095B1 (en) | 2020-03-18 | 2021-09-28 | Chio Kang Medical, Inc. | Sterilization exhaust gas treating system and method for treating ethylene oxide-containing sterilization exhaust gas by using the same |
| US11136253B1 (en) | 2020-03-18 | 2021-10-05 | Chio Kang Medical, Inc. | Microbiological treatment system for ethylene oxide exhaust gas |
| US20210291105A1 (en) | 2020-03-19 | 2021-09-23 | Chio Kang Medical, Inc. | Ethylene Oxide Adsorption Tower and Recovery System, and Method for Recovering Ethylene Oxide |
| US11129914B1 (en) | 2020-03-19 | 2021-09-28 | Chio Kang Medical, Inc. | Ethylene oxide adsorption tower and recovery system, and method for recovering ethylene oxide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140402 Effective date of abandoning: 20150429 |