CN109876585A - A kind of traditional Chinese medicine plaster production exhaust treatment system - Google Patents
A kind of traditional Chinese medicine plaster production exhaust treatment system Download PDFInfo
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- CN109876585A CN109876585A CN201910344530.0A CN201910344530A CN109876585A CN 109876585 A CN109876585 A CN 109876585A CN 201910344530 A CN201910344530 A CN 201910344530A CN 109876585 A CN109876585 A CN 109876585A
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Abstract
The invention discloses a kind of traditional Chinese medicine plasters to produce exhaust treatment system, including condensing heat exchanger, alkali spray column, surfactant spray column, sour spray column, plant liquid spraying tower, defogging mechanism, electrostatic smoke purifier structure, photocatalytic oxidation device, control device and frequency converting induced draft fan, the import of the condensing heat exchanger is connected with the exhaust piping for collecting production scene exhaust gas, the outlet of the condensing heat exchanger is connected to the import of surfactant through alkali spray column, the outlet of surfactant spray column is connected to the import of plant liquid spraying tower through sour spray column, the outlet of plant liquid spraying tower is successively through defogging mechanism, the import of photocatalytic oxidation device is connected to after electrostatic smoke purifier structure, the outlet of photocatalytic oxidation device is connected to chimney via frequency converting induced draft fan.Its remarkable result is: having taken into account existing equipment, has reduced cost of investment；Equipment is safe and reliable to operation, easy to use, management and easy maintenance.
Description
Technical field
The present invention relates to medicines to look forward to technical field of waste gas treatment, and in particular to a kind of traditional Chinese medicine plaster production exhaust-gas treatment system
System.
Background technique
In traditional Chinese medicine plaster production technology, a large amount of high-temperature high concentrations can be generated and the oil smoke containing particulate matter needs to handle.It is described
Oil smoke be in traditional Chinese medicine plaster production process under the high temperature conditions, a large amount of thermal oxide decomposition products of generation, while being also accompanied by big
Particulate matter is measured to generate.Fatty acid, ester, heterocyclic compound etc. can be produced in thermal oxidation process, there is strong impulse nature and flavor road.Accordingly
It is found that since the pollutants from cooking fume generated in traditional Chinese medicine plaster production process is complex and exhaust gas temperature is high, compared to other rings
Exhaust gas under border, processing difficulty sharply increase.
For fume purifying, cooking fume purification handling technical method currently on the market has catalyst combustion method, active carbon to inhale
Attached method, mechanical phonograph recorder separation, fabric filtration method, wet treatment method and electrostatic treatment method.Wherein electrostatic treatment method handles air quantity with it
Greatly, crushing is small, can run in high humidity, the primary particle that can satisfy purification requirement by removal rate, effectively remove
The advantages that diameter range is big is widely adopted.But in actual operation, equipment for purifying oil-fume is easy to produce spark, if directly
For carrying out waste gas purification processing, oil smoke and volume of smoke the exhaust gas pole after encountering spark containing volatile organic compounds to high-temperature oil smoke
Easily there is a phenomenon where detonations etc. easily to cause safety accident.
Summary of the invention
In view of the deficiencies of the prior art, the object of the present invention is to provide a kind of traditional Chinese medicine plasters to produce exhaust treatment system, should
System operational safety, no-spark generate, additionally it is possible to realize Automatic Dosing control, fan frequency conversion control, finally ensure tobacco tar exhaust gas
Reach " cooking fume discharge standard ", " discharge standard of air pollutants " and " odorant pollutant discharge mark after processing
It is quasi- " it requires, outlet drain concentration should reach: oil smoke < 2.0mg/m3, lead and its compound L T.LT.LT 0.9mg/m3And without obvious peculiar smell.
In order to achieve the above objectives, The technical solution adopted by the invention is as follows:
A kind of traditional Chinese medicine plaster production exhaust treatment system, it is critical that including:
Condensing heat exchanger, for reducing the temperature of the oil flue waste gas from production scene, by the lower oil smoke of boiling point or
Organic matter carries out cooling removal；
Alkali spray column, particulate matter and part oil smoke in treated for removing condensing heat exchanger exhaust gas；
Surfactant spray column, for washing most oleaginous material in removal alkali spray column treated exhaust gas；
Sour spray column, the particulate matter in treated for further removing surfactant spray column exhaust gas；
Plant liquid spraying tower, to the peculiar smell in exhaust gas after going deacidification spray column to handle；
Defogging mechanism, the drop carried secretly in treated for removing plant liquid spraying tower exhaust gas, realizes gas-liquid separation；
Electrostatic smoke purifier structure, for the mist of oil in exhaust gas after the effect removal defogging mechanism processing by high voltage electric field
Drop, greasy dirt particle, while the part smell in the effect removing exhaust gas for passing through high voltage electric field；
Photocatalytic oxidation device, for removing the foul gas after electrostatic smoke purifier structure is handled in exhaust gas；
Control device is controlled for the working condition to above-mentioned each device.
Further, the alkali spray column, surfactant spray column, sour spray column, plant liquid spraying tower are each equipped with
Medicating mechanism, the control device passes through the pH or concentration value of medicament in each tower detected, respectively to each medicating mechanism
Working condition controlled.
Further, the condensing heat exchanger uses finned heat exchanger, and heat exchange area is 5 ㎡, and material is stainless steel,
Circulating water flow is 20m3/h。
Further, be also connected with frequency converting induced draft fan in the outlet of the photocatalytic oxidation device, the frequency converting induced draft fan with
The control device point connection, for realizing the control of exhaust gas flow.
Further, the defogging mechanism uses two-stage demister.
Further, the electrostatic smoke purifier structure uses two-stage suction-type electrostatic oil and smoke cleaner.
Further, the plant liquid spraying tower use concentration for 5% industrial greasy dirt cleaning agent to alkali spray process after
Exhaust gas handled.
Remarkable result of the invention is: this system and pharmaceutical factory production equipment are mating, and have taken into account existing equipment, because of ground system
Preferably, cost of investment is reduced；Equipment is safe and reliable to operation, realizes Automatic Dosing control, fan frequency conversion control by control device
System, easy to use, management and easy maintenance；The exhaust gas generated in traditional Chinese medicine plaster production process reaches after this system purified treatment
Discharge standard is arrived.
Detailed description of the invention
Fig. 1 is annexation figure of the invention.
Specific embodiment
Specific embodiment and working principle of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 is the skeleton diagram of the traditional Chinese medicine plaster exhaust treatment system of the present embodiment.As shown in Figure 1, this system includes condensation
Heat exchanger 2, alkali spray column 3, surfactant spray column 4, sour spray column 5, plant liquid spraying tower 6, defogging mechanism 7, electrostatic oil
Cigarette purification mechanism 8, photocatalytic oxidation device 9, control device 13 and frequency converting induced draft fan 10, the import of the condensing heat exchanger 2
It is connected with the exhaust piping 1 for collecting production scene exhaust gas, the outlet of the condensing heat exchanger 2 is connected to through alkali spray column 3
The outlet of the import of surfactant spray column 4, surfactant spray column 4 is connected to plant liquid spraying tower 6 through sour spray column 5
Import, the outlet of the plant liquid spraying tower 6 is successively connected to photocatalysis after defogging mechanism 7, electrostatic smoke purifier structure 8
The import of oxidation unit 9, the exhaust gas of the outlet discharge of photocatalytic oxidation device 9, which is sent via frequency converting induced draft fan 10 to chimney 11, to carry out
Qualified discharge.Wherein:
This example is by exhaust piping 1 to the oil flue waste gas G generated from traditional Chinese medicine plaster production scene0It is collected, then leads
Enter and cool down in finned condensing heat exchanger 2 to exhaust gas, and the lower oil smoke of boiling point or organic matter are subjected to cooling removal.
The heat exchange area of the heat exchanger is 5 ㎡, and material is stainless steel, circulating water flow 20m3/h。
The exhaust gas G being discharged from condensing heat exchanger 21It is imported into material filling type alkali spray column 3, to the lead compound and oil in exhaust gas
Cigarette is removed；Preferably, this example makees absorbent using 10% NaOH liquid, the advantage of this process is that completing in the same device
Dedusting and absorption can also take into account oil removing simultaneously because having used lye, the industry especially suitable for oil-containing in particulate matter.This work
Skill equipment is simple, easy to operate, and purification efficiency is higher.
The exhaust gas G being discharged out of alkali spray column 32Material filling type surfactant spray column 4 is imported, is sprayed in surfactant
In tower 4, be added surfactant, to wash oleaginous material, be dissolved in the water, surfactant use concentration for 5% laurel
Alcohol phosphate ester, dosage are flux matched according to oleaginous material.Water consumption: evaporation capacity 0.2m3/d。
The exhaust gas G being discharged from surfactant spray column 43It imports in material filling type acid spray column 5, to the leaded in exhaust gas
Object is closed to be removed with oil smoke；Preferably, absorbent is made using 5% dilute acetic acid aqueous solution.
The advantages of acetic acid absorption process is that device is simple, easy to operate, and purification efficiency is high, can effectively be removed in oil flue waste gas
Particulate matter and the volatile organic matter for being easy to acid reaction.The disadvantage is that absorbent (acetic acid) corrosivity is stronger, equipment need to take anti-corrosion
Hard PP or corrosion-proof lining can be used in measure.
The exhaust gas G being discharged from sour spray column 54It imports in plant liquid spraying tower 6, to the various peculiar smell gone in removing exhaust gas；
The plant liquid spraying tower uses concentration to handle for 5% industrial greasy dirt cleaning agent exhaust gas.
The exhaust gas G being discharged from plant liquid spraying tower 65It imports in defogging mechanism 7, removes the drop carried secretly in removing exhaust gas, realize
Gas-liquid separation, in order to be purified respectively to gas, liquid using different processing modes.The defogging mechanism 7 that this example uses
For two-stage type demister, mainly it is made of plate, supporting arrangement.Plate is made by stainless steel material.When containing mist
Exhaust gas when flowing through demister with certain speed, since the inertial impaction of gas acts on, mist collides with corrugated sheet and is gathered
Drop arrive greatly its own generation gravity be more than gas climbing power and surface tension of liquid resultant force when, drop is just from waveform
It is separated in plate surface.The structures that are folded to of demister corrugated sheet increase the chance that mist is captured more, are not removed
Mist is captured at next turning by identical effect, such repeated action, to substantially increase demisting efficiency.
After exhaust gas passes through wave-shaped plate demister, substantially free of mist.Flue gas is by the bending channel of demister, in inertia force and gravity
Under the action of the drop separation carried secretly in air-flow is come out so that exhaust gas reach demisting require after be discharged.
The exhaust gas G after gas-liquid separation is realized via defogging mechanism 76It imports in electrostatic smoke purifier structure 8, it is quiet in this example
Electric fume purifying mechanism 8 sucks electrostatic oil and smoke cleaner, the biggish oil mist particle in part, greasy dirt in exhaust gas using two-stage type blower
Grain on homogenizing plate due to mechanical collision, detention and be captured.When air-flow enters high-voltage electrostatic field, in the effect of high voltage electric field
Under, soot gas ionization, mist of oil is charged, is largely able to degradation charing；Electric field force of the small part oil or fat particles in absorption electric field
And moved under airflow function to the positive/negative plate of electric field and be collected on pole plate and flow under the effect of gravity draw-off tray,
It is discharged through oil drain passage, remaining micron order mist of oil is degraded into carbon dioxide and water by electric field, and pure air is finally discharged；Simultaneously
Under the action of high pressure generator, air generates ozone in electric field, eliminates most smell in flue gas.
The exhaust gas G being discharged via electrostatic smoke purifier structure 87It imports in photocatalytic oxidation device 9, to remove electrostatic depuration
Foul gas in exhaust gas afterwards；Photocatalytic oxidation device 9 described in this example is preferably UV photocatalysis exhaust air deodorization equipment, the equipment
The major pollutants such as volatile organic matter in fume eliminating (VOC), inorganic matter, hydrogen sulfide, ammonia, thio-alcohol can be efficiently removed, and
Various foul smells, deodorization efficiency reach as high as 99% or more, and deodorising effect substantially exceeds country's odor pollution promulgated in 1993
Object discharge standard (GB13554-93).Without adding any substance, it is only necessary to corresponding exhaust duct and air draft power be arranged, make
Foul gas carries out deodorization decomposing, purifying by this equipment, participates in chemical reaction without adding any substance.It is adaptable, can fit
Answer high concentration, atm number, the deodorization purified treatment of different foul gas substances, can daily 24 continuous throughout the twenty-four hour24, it is stable
Reliably.Ion deodorization equipment is noiseless without any mechanical action, is not necessarily to personal management and daily maintenance, need to only inspect periodically,
This equipment energy consumption is low, (every 1000 cubes ms/h of processing, only about 0.2 degree of electric energy of power consumption), and equipment windage is extremely low < 50pa, it can save
About a large amount of air draft power energy consumptions.Foul gas is without carrying out special pretreatment, such as heating, humidification, equipment working environment temperature
Celsius between -30 DEG C -95 DEG C, humidity can work normally between 2-13 degree in 30%-98%, pH value.Equipment land occupation
Area is small, from heavy and light.Photochemical catalytic oxidation deodorization, photocatalysis deodorizing device are suitable for the specific conditions such as characteristics of compact layout, narrow field.
UV photocatalysis exhaust air deodorization equipment is happy catalysis of being lived in peace using special high energy high ozone UV ultraviolet beam irradiation
Agent cracks foul gas such as: nitrogen, trimethylamine, hydrogen sulfide, first sulphur hydrogen, methyl mercaptan, methyl disulfide, carbon disulfide to foul gas
And styrene, sulfide H2S, VOC class, the molecular chain structure of benzene,toluene,xylene make organic or inorganic macromolecule stench
Adduct molecule chain, under the irradiation of high energy ultraviolet Line beam, degradation is transformed into low molecular compound, such as CO2, H2O.Utilize high energy
Ozone UV ultraviolet beam decomposes the oxygen molecule in air and generates free oxygen, i.e. active oxygen, not because of the taken positron-electron of free oxygen
Balance is so aerobic molecule combines, and then generates ozone.UV+O2 → O mono-+O* (active oxygen) O+O2 → O3 (ozone), many institute's weeks
Know that Pre-Ozonation on Organic Matter has extremely strong oxidation, has the removing to get instant result effect to foul gas and other irritation peculiar smell
Fruit.
Via treated the exhaust gas G of photocatalytic oxidation device 98It is sent by frequency converting induced draft fan 10 to chimney 11 and is then arranged
It puts；
In the treatment process of above-mentioned each equipment, the working condition of each device is controlled by control device 13.Example
The medicating mechanism 12 that such as the alkali spray column 3, surfactant spray column 4, sour spray column 5, plant liquid spraying tower 6 configure,
The control device 13 passes through the pH or concentration value of medicament in each tower detected, respectively to the work of each medicating mechanism 12
State is controlled；In addition, the operating frequency of the frequency converting induced draft fan 10 acquires air pressure, air velocity etc. according to control device 13
Realization exhaust gas flow control.
This system strict implement country is in relation to legislations of environmental protection and relevant emission standards, using the applicable improvement side of science
Method and equipment, the equipment selected in treatment process should be mating with the production equipment in pharmaceutical factory, does not influence the normal of pharmaceutical factory production equipment
Operation, takes into account original facility, adaptation to local conditions can be effectively reduced cost of investment；It is equipment operational safety, reliable, it is easy to use,
Reach the most advanced level of domestic same device；Infallible component is selected, device operating cost is reduced；Equipment design is former using miniaturization
Then；Using technology maturation, the treatment process of advanced, the easily operated management of technique, system operatio, management and easy maintenance, engineering
With low investment, operating cost is low；Simple and convenient operation and maintenance, i.e., in process flow and the design of control mode, consideration only needs to be concurrently in charge of people
Operational management work can be completed in member；It has fully considered waste residue, the waste water etc. that governance process generates, has effectively prevented causing secondary
Pollution.
Technical solution provided by the present invention is described in detail above.Specific case used herein is to this hair
Bright principle and embodiment is expounded, method of the invention that the above embodiments are only used to help understand and its
Core concept.It should be pointed out that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection of the claims in the present invention
In range.
Claims (7)
1. a kind of traditional Chinese medicine plaster produces exhaust treatment system characterized by comprising
Condensing heat exchanger, for reducing the temperature of the oil flue waste gas from production scene, by the lower oil smoke of boiling point or organic
Object carries out cooling removal；
Alkali spray column, particulate matter and part oil smoke in treated for removing condensing heat exchanger exhaust gas；
Surfactant spray column, for washing most oleaginous material in removal alkali spray column treated exhaust gas；
Sour spray column, the particulate matter in treated for further removing surfactant spray column exhaust gas；
Plant liquid spraying tower, to the peculiar smell in exhaust gas after going deacidification spray column to handle；
Defogging mechanism, the drop carried secretly in treated for removing plant liquid spraying tower exhaust gas, realizes gas-liquid separation；
Electrostatic smoke purifier structure, for after the effect removal defogging mechanism processing by high voltage electric field in exhaust gas oil mist particle,
Greasy dirt particle, while the part smell in the effect removing exhaust gas for passing through high voltage electric field；
Photocatalytic oxidation device, for removing the foul gas after electrostatic smoke purifier structure is handled in exhaust gas；
Control device is controlled for the working condition to above-mentioned each device.
2. traditional Chinese medicine plaster according to claim 1 produces exhaust treatment system, it is characterised in that: the alkali spray column, table
Face activating agent spray column, sour spray column, plant liquid spraying tower be each equipped with medicating mechanism, and the control device, which passes through, to be detected
The pH or concentration value of medicament, respectively control the working condition of each medicating mechanism in each tower.
3. traditional Chinese medicine plaster according to claim 1 produces exhaust treatment system, it is characterised in that: the condensing heat exchanger is adopted
With finned heat exchanger, heat exchange area is 5 ㎡, and material is stainless steel, circulating water flow 20m3/h。
4. traditional Chinese medicine plaster according to claim 1 produces exhaust treatment system, it is characterised in that: in the photochemical catalytic oxidation
The outlet of device is also connected with frequency converting induced draft fan, which connect with the control device point, for realizing waste gas stream
The control of amount.
5. traditional Chinese medicine plaster according to claim 1 produces exhaust treatment system, it is characterised in that: the defogging mechanism uses
Two-stage demister.
6. traditional Chinese medicine plaster according to claim 1 produces exhaust treatment system, it is characterised in that: the static fume purification
Mechanism uses two-stage suction-type electrostatic oil and smoke cleaner.
7. traditional Chinese medicine plaster according to claim 1 produces exhaust treatment system, it is characterised in that: the plant liquid spraying tower
Concentration is used to handle for 5% industrial greasy dirt cleaning agent the exhaust gas after alkali spray process.
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Cited By (6)
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| CN110327732A (en) * | 2019-07-15 | 2019-10-15 | 刘艳 | Industrial waste gas processing method and system |
| CN110639346A (en) * | 2019-11-05 | 2020-01-03 | 张智军 | Gas treatment device |
| CN110772912A (en) * | 2019-09-30 | 2020-02-11 | 广州紫科环保科技股份有限公司 | Purification equipment for comprehensive waste gas of biological pharmaceutical factory |
| CN111249842A (en) * | 2020-03-05 | 2020-06-09 | 俊富非织造材料有限公司 | Waste gas treatment method in production process of non-woven fabric |
| CN112387036A (en) * | 2020-11-04 | 2021-02-23 | 惠州市晟利科技有限公司 | Efficient spraying waste gas treatment method and device |
| CN116585838A (en) * | 2023-06-26 | 2023-08-15 | 艾易西(中国)环保科技有限公司 | VOCs waste gas treatment method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110327732A (en) * | 2019-07-15 | 2019-10-15 | 刘艳 | Industrial waste gas processing method and system |
| CN110772912A (en) * | 2019-09-30 | 2020-02-11 | 广州紫科环保科技股份有限公司 | Purification equipment for comprehensive waste gas of biological pharmaceutical factory |
| CN110639346A (en) * | 2019-11-05 | 2020-01-03 | 张智军 | Gas treatment device |
| CN111249842A (en) * | 2020-03-05 | 2020-06-09 | 俊富非织造材料有限公司 | Waste gas treatment method in production process of non-woven fabric |
| CN112387036A (en) * | 2020-11-04 | 2021-02-23 | 惠州市晟利科技有限公司 | Efficient spraying waste gas treatment method and device |
| CN116585838A (en) * | 2023-06-26 | 2023-08-15 | 艾易西(中国)环保科技有限公司 | VOCs waste gas treatment method |
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