CN109954389A - Star-like industrial waste gas handles island - Google Patents

Star-like industrial waste gas handles island Download PDF

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Publication number
CN109954389A
CN109954389A CN201711429616.0A CN201711429616A CN109954389A CN 109954389 A CN109954389 A CN 109954389A CN 201711429616 A CN201711429616 A CN 201711429616A CN 109954389 A CN109954389 A CN 109954389A
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CN
China
Prior art keywords
industrial waste
waste gas
island
star
gas
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Pending
Application number
CN201711429616.0A
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Chinese (zh)
Inventor
侯向明
赵彦忠
张国臣
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JIASHIJIADE (BEIJING) ENERGY ENGINEERING TECH Co Ltd
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JIASHIJIADE (BEIJING) ENERGY ENGINEERING TECH Co Ltd
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Priority to CN201711429616.0A priority Critical patent/CN109954389A/en
Publication of CN109954389A publication Critical patent/CN109954389A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75Multi-step processes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/07Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material

Abstract

The present invention relates to star-like industrial waste gases to handle island, it mainly uses scientific and technical innovation technology, for the disposal actuality of industrial waste gas in recent years, situation is investigated in conjunction with the production of domestic each enterprise, some technologies are carried out reasonable fractionation and are efficiently combined, it is more to solve industrial waste gas type, processing technique is single, a variety of exhaust gas cannot be handled simultaneously, processing is not thorough, the characteristics such as clean-up effect is undesirable, it is strong that the processing island possesses General Office's rationality, efficient integrated modular, it invests small, it combines easy for installation, a tractor serves several purposes, handle the characteristics such as thorough, its economy can be improved, realize the purpose of energy-saving and emission-reduction, it is innoxious to embody waste gas pollution control and treatment, the objective of recycling, various aspects reinforce industrial waste gas pollution control, realize the industrial development of sustainability.

Description

Star-like industrial waste gas handles island
Technical field:
The present invention relates to technical field of waste gas treatment, and in particular to star-like industrial waste gas handles island.
Background technique:
Industrial waste gas refers to that generate in plant area, enterprise fuel combustion and production process various are discharged into containing for atmosphere There is the general name of contaminant gases.These exhaust gas have: VOCs (volatile organic compounds), carbon dioxide, carbon disulfide, vulcanization Hydrogen, fluoride, nitrogen oxides, chlorine, hydrogen chloride, carbon monoxide, sulfuric acid (mist) lead mercury, beryllide, flue dust and industrial dust etc., It is discharged into atmosphere, air can be polluted.
Industrial waste gas has many harmfulness, is mainly manifested in following sections:
(1) to the harm of human body: main performance is respiratory disease and the mucosal tissues such as physiological function obstacle and eye nose It is stimulated and illness, exhaust gas is entered in human body by the different approach such as respiratory tract, and some directly generates harm, and some is also Cumulative effect more serious can be detrimental to health.
(2) to the harm of plant: make what hazard symptoms is not seen on plant leaf blade chlorisis or surface, but plant Physiological function has been affected, and plant products is caused to decline, deterioration, or even can generate acute hazard to plant, makes to plant Object leaf surface generates blemish, or directly makes leaf is withered to fall off, and especially sulfur dioxide, fluoride etc. are ten to the harm of plant Divide serious.
(3) influence to weather and weather: influence of the exhaust gas to weather and weather is very significantly, to be mainly reflected in and subtract Reach the solar radiation quantity on ground less, increase annual precipitation, lower acid rain, tropical island effect etc..
Industrial waste gas processing refers to that the exhaust gas generated specifically for industrial site such as factory, workshop advances in external discharge Row pretreatment is widely used in chemical plant, Electronics Factory, printing house, spray to reach the work for the standard that national exhaust gas externally discharges Paint workshop, coating factory, food factory, rubber plant, coating factory, the generation dust such as petrochemical industry, peculiar smell, the places such as flue dust.General work Industry exhaust-gas treatment includes VOCs treatment, dust exhaust-gas treatment, soda acid exhaust-gas treatment, peculiar smell exhaust-gas treatment and air disinfection Sterilizing and purifying etc. specifically includes acetone, butanone, butanol, methanol, formaldehyde, benzene,toluene,xylene, styrene, methyl- tert Butyl ether, methine chlorine, ethane, defends alkane, natural gas, vehicle exhaust, hydrogen sulfide, hydrogen sulfide, mercaptan, ammonia at ethyl acetate With various organic exhaust gas, soda acid exhaust gas, flue dust and industrial dust etc..
Currently, for handle the technology of industrial waste gas mainly active charcoal absorption, Deep catalytic, directly burn, be condensed back to Receipts, acid-base neutralization method, zinc cation, biological island, plasma method etc. have ten several industrial waste gases in equipment aspect at present Processing equipment, these equipment remain the disadvantages of bulky, strength disposal is small, processing is not thorough, are applied in production Not only will increase production cost can also impact production efficiency.
So constantly reforming the Treatment process of industrial waste gas, infusion of financial resources and manpower research and develop new improvement skill Art adds more advanced equipment, and current atmosphere is combined to administer demand and the suitable administering method of environmental features selection, to work The Prevention Technique and equipment of industry exhaust gas improve, and improve the treatment effeciency of industrial waste gas, reduce bring danger due to its discharge Evil, promotes the construction of good environment to be necessary.
The purpose on the present invention star-like industrial waste gas processing island is: using scientific and technical innovation technology, it is reasonable that some technologies are carried out Fractionation with efficiently combine, for the disposal actuality of industrial waste gas in recent years, investigate situation in conjunction with the production of domestic each enterprise, From multi-angles such as environmental protection, the utilization of resources, cost efficiency and sustainable developments, this set processing island and its technique system are developed System, more to solve industrial waste gas type, processing technique is single, cannot handle a variety of exhaust gas simultaneously, and processing is not thorough, clean-up effect The characteristics such as undesirable, it is strong which possesses General Office's rationality, efficient integrated modular, invest it is small, combine it is easy for installation, one The characteristics such as machine is multi-purpose, and processing is thorough, but also maintain the benign cycle of processing work, sustainable development, so that ecological benefits, ring Border benefit, social benefit and economic benefit are maximumlly embodied.
Summary of the invention:
The present invention star-like industrial waste gas processing island is by collection system (1), pretreatment unit (2), processing unit (3), net Change the composition such as unit (4), tail gas discharge system (5), automatic control system, safety system.Pretreatment unit (2), place Reason unit (3), clean unit (4) are all made of the integrated approach module design of unified specification, according to the characteristic of exhaust gas processed, It is combined with each other, constitutes a complete processing system, i.e. integration module processor, it is same to complete one or more industrial waste gases When by the rationally efficient purpose that is thoroughly handled, treated, and exhaust emissions meets national emission standard and code requirement, is sought The purpose asked will be realized by the following method:
Handle island according to the star-like industrial waste gas, collection system (1), mainly by gas collection (dirt) cover, control valve, The composition such as pipeline, explosion-proof apparatus, blower preferably takes closed, isolation and negative-pressure operation measure to Industry Waste gas source, makes cover mouth in micro- negative Pressure, prevents exhaust gas from escaping, and material is avoided to be pumped.
Gas collection (dirt) cover is used because of the Exhaust gas species of collection, the difference of technological operation requirement and condition of technology and economy, selection Closed or open type gas collection (dirt) cover.
Island, pretreatment unit (2), processing unit (3), clean unit (4) are handled according to the star-like industrial waste gas According to Exhaust gas species, factors, the processing methods of selection such as technique requires have washing method, electrostatic method, filtration method, absorption method, absorption Method, condensation method, membrane separation process, combustion method, bioanalysis, plasma method and catalytic oxidation etc..
Island, integration module processor, by different disposal method device build are handled according to the star-like industrial waste gas At unified specification different disposal module (6), frame (7), the composition such as safety system is whole in star-like radiation arrangement, Processing module (6) is cylinder type or rectangular shape, each processing module (6) by exhaust gas properties processed, production engineering specifications and Process demand, according to pretreatment unit (2), processing unit (3), clean unit (4) processing flow sequence, unified integrate is installed on It on frame (7), is connected between each other by spare interface, forms complete processing system, integrated approach module is according to scene Mounting condition, using vertical or horizontal skid structure, can multiple groups serial or parallel connection use, and meet and combine, split and remove at any time The demand moved is required with meeting Fast Installation, reduction installation space etc..
Island is handled according to the star-like industrial waste gas, tail gas discharge system (5) is by groups such as pipeline, blower and chimneys At.Safety system is mainly by being mounted on the explosion-proof apparatus that each industrial waste gas is imported and exported and the explosion-proof dress being mounted in processing module It sets and the composition such as pressure relief device, meets demand for security, it is impaired to avoid personnel and equipment.
Detailed description of the invention:
Fig. 1 is that star-like industrial waste gas handles island process flow chart
Fig. 2 is integration module processor plan view
Wherein: 1- collection system, 2- pretreatment unit, 3- processing unit, 4- clean unit, 5- tail gas discharge system, 6- Processing module, 7- frame.
Specific embodiment:
1, the treatment process that star-like industrial waste gas processing island is mainly implemented are as follows:
Industrial waste gas is collected by collection system (1), and is delivered to integration module processor, industrial waste gas will collect At the pretreatment unit (2), processing in module handler, according to selection different disposal method device build at processing module (6) Unit (3), clean unit (4) processing flow sequence carry out one or more industrial waste gases simultaneously by rationally efficiently thoroughly processing Purpose, treated qualified tail gas up to standard is discharged into atmosphere by tail gas discharge system (5), completes treatment process.
Star-like industrial waste gas processing island is controlled, automation is integrated by automatic control system using automatic or manual mode Height is effectively reduced the outfit and working strength of labour.
During star-like industrial waste gas processing island processing industrial waste gas, safety is mainly by in-line analyzer and pretreatment System and device implements institutes' group such as active safety protection and the explosion-proof apparatus, explosion-protection equipment and pressure relief device that are mounted on each key position At passive security protection system provide double layer security protection, with ensure system operation safe and stable and high efficiency.
2, star-like industrial waste gas handles island, and whole to use modularization, skid structure is easy for installation, handles convenient for transition, can Multiple processing islands are used in parallel or in series simultaneously, meet that industrial waste gas type is more, and source is wide, at the unstable multipurpose of yield Reason.
3, above-mentioned washing method generally uses water or other liquid medicines, by exhaust gas solid impurity and to be dissolved in water etc. molten The gas of liquid removes, while exhaust gas can be cooled down, and can be used as biological treatment and the pretreatment of plasma treatment.
4, above-mentioned absorption method is using porosu solid adsorbent by one of gas (or liquid) mixture or a variety of Component is gathered or is concentrated on the surface to achieve the purpose that isolated operation.Exhaust gas or purification suitable for handling low concentration are wanted It asks high front and back end to handle, helps out.It is handled mainly by collection, pretreatment, adsorption and desorption (recycling), control, by-product The disposition of object and utilize and etc. composition, adsorbent species mainly use active carbon, fibre active carbon, molecular sieve, active oxidation Aluminium and silica gel etc., desorption mode is mainly using methods such as heating, decompression, displacement, purging and chemical conversions.
5, above-mentioned combustion method, is divided into directly burning and catalysis burning, and the direct theory of combustion is fired using auxiliary fuel The reaction thermal energy for burning the combustion heat energy of the thermal energy, exhaust gas itself that generate or being stored using regenerative apparatus, exhaust gas is heated to Ignition temperature (750 DEG C of >) is aoxidized (burning) reaction.Principle of catalyst combustion is to utilize solid catalyst at a lower temperature The method that the compounds such as carbon dioxide and water are converted by oxidation by the pollutant in exhaust gas, continuous suitable for processing, The organic exhaust gas that steady production technique generates.
Its constitute mainly by filter, burner, ignition installation, combustion chamber, regenerative chamber, heat exchanger, self-con-tained unit and Switch valve, back-fire relief explosion-protection equipment, safety interlock etc..
Direct burning processing requirement: 1. setting the particulate matter that pretreatment is gone in removing exhaust gas, (including coating cloud, low-molecular-weight resin have Machine particulate matter, high boiling aromatic hydrocarbons and solvent naphtha), select spray-absorption, absorption, electrostatic and filtering;2. particulate matter using filtering or Other methods removal.3. the control of organic exhaust gas concentration is in its lower explosive limit hereinafter, mixing organic exhaust gas, quick-fried with its in proportion Fried lower limit value is calculated and is checked.
Catalysis burning processing requirement: the ignition temperature of catalyst 1. should be heated into the exhaust gas temperature of catalytic combustion system Degree.To make catalyst prolong the service life, do not allow to contain grit, impurity, greasy dirt and droplet in exhaust gas.2. catalyst bed Design airspeed is considered as the type of catalyst, the form of carrier, the factors such as component of exhaust gas.3. the catalyst selected uses temperature Preferably 200-700 DEG C, and 900 DEG C of short time high temperature impacts can be born, service life should be greater than 8500h under nominal situation.4. urging Change and exhaust gas concentration detection device is preferably set at the import and export of burner, the gas at timing or continuous detection import and export is dense Degree.Organic exhaust gas concentration into catalytic combustion system should control below its lower explosive limit.For mixing organic compound Object, concentration are calculated and are checked according to the concentration ratio and its lower explosion limit value of different compounds.5. purification efficiency is not answered Lower than 95%.
6, above-mentioned condensation method is to have different saturated vapor pressures at different temperatures and pressures using gas, is dropping Under conditions of low temperature or intensified pressure, certain pollutants condense out, to achieve the purpose that purification or recycling, it might even be possible to benefit With different condensation temperatures, different pollutants is isolated, realizes the purpose of recycling exhaust gas.
7, above-mentioned plasma method, principle are existed centainly in all gas of the absolute temperature greater than zero Ionization phenomena, any subtle ray and other energy may all make the molecule in gas accelerated and obtain energy, when its energy When amount is higher than the ionization energy of gas, the collision between electron and molecule will lead to the ionization of the gas, and plasma is to be different from gas 4th state substance of state, solid-state, liquid, by high energy electron, negative ions, free radical (OH, H, O, O3 etc.) and neutral particle etc. Composition.Under electric field action, ion generator generates a large amount of α particle, and the oxygen molecule in α particle and air is collided and shape At positive and negative oxonium ion, positive oxonium ion has very strong oxidisability, can aoxidize in a very short period of time, decompose methyl mercaptan, ammonia, sulphur Change the pollution factors such as hydrogen, and open the chemical bond of volatile organic compounds after being in contact with VOC molecule, by a series of anti- It answers, final production carbon dioxide and water etc. stablize harmless small molecule.Meanwhile oxonium ion can destroy the existence ring of bacterium in air Border reduces interior space bacterial concentration, and charged ion can adsorb more than tens times of own wt of suspended particulate, heavy by being self-possessed It lowers, to remove air suspension colloid, achievees the purpose that purify air.
8, above-mentioned bioanalysis is broadly divided into biofilter, bio-trickling filter, bacteria bed etc. according to its form.
Biofilter mainly includes humidifier and biological treatment device two parts, and the exhaust gas collected by air-introduced machine is through being humidified Device pretreatment come (pretreatment having further include temperature adjust, removal particulate matter etc.) enter biological treatment device afterwards, in gas Pollutant adsorbed from gas phase main diffusion to the moisture film of filler outer layer and by filler, final explanation is carbon dioxide, water etc., Treated, and gas is discharged from the top of biofilter, and the packing layer of biofilter is filtrate (such as soil, heap with adsorptivity Fertilizer, active carbon etc.).
Bio-trickling filter main body is packed column, inside has one or more layers filler, filler surface is formed by microbiota Several millimeters thicks biomembrane, the liquid of the nutrient solution containing soluble inorganic is uniformly sprayed on filler above tower, and liquid is from upper And lower flowing, be then discharged and recycled by tower bottom, exhaust gas enters bio-trickling filter by tower bottom, during rising with it is wet The biofilm contact of profit and be cleaned, purified gas is discharged by tower top.
Biotrickling filter is will to input bacteria bed bottom by pipeline after gas collection and humidification and it is made to be spread in soil In earth, a variety of pollutant components are adsorbed in soil particle surface after being dissolved in water in exhaust gas, through after a period of time on soil particle surface The microorganism for harmful substance in the exhaust gas can be gradually turned out, and can be constantly by this substance decomposition, completion is handled, and filter bed is filled out Sponge, dry bark, hay, wooden slag, shell, shell and its mixture etc. can be used in material.
9, above-mentioned blower is selected explosion-proof type blower (conveying has explosion and inflammable gas), coal dust because handling medium requirements Blower (pulverized coal conveying), corrosive resistant fan (conveying has etchant gas), high-temperature blower (high temperature applicationss work or conveying high-temperature gas), One or more blowers such as dusting fan (the biggish dusty gas of transportation concentration), blower uses frequency control, by process requirements Interlocked control, variable load operation, according to blower service condition, starting protection device, motor overload protection device is arranged in motor.
It by above-mentioned, on the basis of current industrial waste gas pollution treatment method, reasonably split and is combined, and added To improve, its economy can be improved, realize the purpose of energy-saving and emission-reduction, embodies that waste gas pollution control and treatment is innoxious, objective of recycling, it is more Aspect reinforces industrial waste gas pollution control, realizes the industrial development of sustainability.

Claims (6)

1. star-like industrial waste gas handles island, it is characterized in that: star-like industrial waste gas handles island by collection system (1), pretreatment unit (2), the groups such as processing unit (3), clean unit (4), tail gas discharge system (5), automatic control system, safety system At, pretreatment unit (2), processing unit (3), clean unit (4) are all made of the integrated approach module design of unified specification, according to It according to the characteristic of exhaust gas processed, is combined with each other, constitutes a complete processing system, i.e.,;Integration module processor is completed The purpose that one or more industrial waste gases are rationally efficiently thoroughly handled simultaneously, treated, and exhaust emissions meets country's discharge mark Quasi- and code requirement.
2. star-like industrial waste gas according to claim 1 handles island, it is characterized in that: collection system (1), mainly by gas collection (dirt) cover, control valve, pipeline, explosion-proof apparatus, blower composition, gas collection (dirt) cover selection use closed or open type gas collection (dirt) Cover.
3. star-like industrial waste gas according to claim 1 handles island, it is characterized in that: pretreatment unit (2), processing unit (3), clean unit (4) requires factor according to Exhaust gas species, technique, and the processing method of selection has washing method, electrostatic method, filtering Method, absorption method, absorption process, condensation method, membrane separation process, combustion method, bioanalysis, plasma method and catalytic oxidation.
4. star-like industrial waste gas according to claim 1 handles island, it is characterized in that: integration module processor, by not existing together Reason method device build at unified specification different disposal module (6), frame (7), safety system composition, whole is in star Type radiation arrangement, processing module (6) are cylinder type or rectangular shape, and unified integrate is installed on frame (7), logical between each other Cross spare interface connection, form complete processing system, using vertical or horizontal skid structure, can multiple groups serial or parallel connection make With.
5. star-like industrial waste gas according to claim 1 handles island, it is characterized in that: tail gas discharge system (5) is by pipeline, wind Machine and chimney composition.
6. star-like industrial waste gas according to claim 1 handles island, it is characterized in that: safety system is by on-line analysis Instrument is mounted on explosion-proof apparatus, explosion-protection equipment and the pressure relief device composition of each key position, provides double layer security protection, meet safety Demand.
CN201711429616.0A 2017-12-26 2017-12-26 Star-like industrial waste gas handles island Pending CN109954389A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110715296A (en) * 2019-09-28 2020-01-21 山西方洁路路通净化技术有限公司 Negative pressure smokeless cylinder type incineration system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205730822U (en) * 2015-12-30 2016-11-30 洛阳三信石化设备有限公司 A kind of organic exhaust gas centralized processor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205730822U (en) * 2015-12-30 2016-11-30 洛阳三信石化设备有限公司 A kind of organic exhaust gas centralized processor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
国家安全生产监督管理局(国家煤矿安全监察局): "《安全评价》", 31 January 2004, 煤炭工业出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110715296A (en) * 2019-09-28 2020-01-21 山西方洁路路通净化技术有限公司 Negative pressure smokeless cylinder type incineration system

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