CN204233893U - Portable acid mist emergency treatment device - Google Patents
Portable acid mist emergency treatment device Download PDFInfo
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- CN204233893U CN204233893U CN201420628648.9U CN201420628648U CN204233893U CN 204233893 U CN204233893 U CN 204233893U CN 201420628648 U CN201420628648 U CN 201420628648U CN 204233893 U CN204233893 U CN 204233893U
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Abstract
The utility model discloses a kind of portable acid mist emergency treatment device, gas gathering system, booster fan, fabric filter and absorber is comprised successively by gas flow direction, wherein gas gathering system arranges gas skirt and the collecting pipe that arbitrarily can change angle, booster fan suction end gas pressure≤-5kPa (gauge pressure), outlet side gas pressure >=5kPa (gauge pressure), fabric filter arranges fabric filtration trapping media, arrange adsorbent bed in absorber, the said equipment is arranged in a removable vehicle body.Combined treatment device of the present utility model, can high efficiente callback and process acid mist, avoids the loss of acid mist, and can extend adsorbent service life.
Description
Technical field
The utility model relates to a kind of portable acid mist emergency treatment device, particularly relates to a kind of salt acid mist emergency treatment device.
Background technology
In a lot of industrial processes, particularly in some special catalyst product building-up processes, a large amount of use titanium tetrachloride and silicon tetrachloride etc.The said goods is in handling, transport and storage, by the conveying of pump, valve, pipeline, and in use in various equipment, because there is the damage of equipment fault or parts, operating personnel's maloperation and unexpected storms and accident, certainly lead to leakage, leakage rate be can not determine again.
Titanium tetrachloride, silicon tetrachloride and titanium trichloride etc., when contacting with air, decomposing immediately and producing hydrogen chloride.Such as, the decomposition reaction process of 1mol titanium tetrachloride, will produce the hydrogen chloride of 4mol.
Hydrogen chloride water imbibition is extremely strong, as long as contact with gaseous state shape steam in air, forms salt acid mist immediately, and fills the air and be trapped on earth's surface aerial, has fabulous masking action.Early stage titanium tetrachloride is mainly used as screening smoke, because this screening smoke can cause pernicious salt acid mist pollution, is prohibited from using.
Because of leakages such as titanium tetrachloride, silicon tetrachloride and titanium trichlorides, being exposed to the salt acid mist produced in air, is the fine droplets of concentrated hydrochloric acid, and corrosivity is extremely strong, except a few precious metal and alloy, has corrosiveness to other metal.There is strong injury effect to multiple organs such as the breathing of humans and animals and skin, destroy the growth of plant until death.
The density of salt acid mist is greater than air, not easily spreads Sum decomposition, once be formed, produces malignant pollution to environmental ambient air and Work places.The discharge of salt acid mist performs the emission limit requirement of GB16297 " discharge standard of air pollutants " HCl, and concentration is 100mgm
-3.
Hydrochloric acid mist domain size distribution, generally between 0.01 μm ~ 11.0 μm, as long as containing high concentration HCl in gas, inevitable have the gentle state HCl of salt acid mist to exist simultaneously, general containing in the gas of HCl, and HCl mass ratio in salt acid mist and in gaseous state is 4:1.
The gas of a gentle state HCl of method for washing process saliferous acid mist, only have an appointment 70% ~ 80% clearance.Particularly to the gas washing process containing high concentration HCl, major part HCl is only absorbed by the water, considerable part HCl is also had to form salt acid mist, and residual fraction gaseous state HCl is in gas, therefore need at least to adopt the washing process of three grades to remove HCl, and in gas after process, still can not control HCl concentration qualified discharge, the consumption of water is large, and the acid water yield of generation is large.
The gas of the gentle state HCl of alkali washing method process saliferous acid mist, clearance higher than washing process, but to the gas treatment containing high concentration HCl, also needs at least to arrange two-stage alkali washing process.Direct use alkali lye carries out alkali cleaning to high concentration HCl, needs to consume a large amount of alkali lye, produces alkaline brine waste.
Adopt the gas of the gentle state HCl of method process saliferous acid mist such as electric precipitation, silk screen mist eliminating, cyclonic separation, the salt acid mist that particle diameter is bigger than normal can only be got rid of, the gentle state HCl of salt acid mist of small particle diameter is removed not yet, in gas after process, HCl concentration is still very high, and the HCl of high concentration easily absorbs vaporous water steam secondary generation salt acid mist in air.
Above-mentioned various treatment technology and equipment, or need to set up at least 2 ~ 3 grades of absorption towers, bulky, equipment is heavy or higher containing the salt acid mist gentle state HCl concentration of small particle diameter after cannot moving operation or process, in easy absorption air, vaporous water steam secondary produces salt acid mist, is all not suitable for the emergency processing for acid mist.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of portable acid mist emergency treatment device.Combined treatment device of the present utility model, can high efficiente callback and process acid mist, avoids the loss of acid mist, and can extend adsorbent service life.
The portable acid mist emergency treatment device of the utility model, gas gathering system, booster fan, fabric filter and absorber is comprised successively by gas flow direction, wherein gas gathering system arranges gas skirt and the collecting pipe that arbitrarily can change angle, booster fan suction end gas pressure≤-5kPa (gauge pressure), outlet side gas pressure >=5kPa (gauge pressure), fabric filter arranges fabric filtration trapping media, arrange adsorbent bed in absorber, the said equipment is arranged in a removable vehicle body.
In the utility model, collecting pipe is made up of gas pipeline that can be freely movable, and gas pipeline can stretch automatically.Can suck in order to ensure gas skirt and whole prevent the escape of acid mist gas containing acid mist gas, gas skirt acid mist emission position tiltedly on 45° angle degree, as gas collection district in distance 300mm, gas skirt can suck and whole contain acid mist gas.
In the utility model, booster fan can adopt high pressure blower or compressor, controls suction end gas pressure≤-10kPa (gauge pressure), outlet side gas pressure>=10kPa (gauge pressure), adjustable 100 ~ 200m
3h
-1gas flow.The utility model adopts booster fan on the one hand under negative pressure by acid mist Efficient Collection, prevent the escape of acid mist gas, follow-up fabric filter release will be entered again on the other hand after acid mist supercharging, contribute to acid mist liquefaction, thus improving fabric filter to the clearance of acid mist, clearance can reach more than 99%.
Booster fan of the present invention arranges battery direct current driving power supply, can meet the continuous operation of blower fan; Or under the state of battery external AC power supply charging, can output power continuously.
In the utility model, the overflow pipe of fluid-tight and discharge acid solution is set in fabric filter.Gas after pressure-raising can remove acid mist more than 99% in fabric filter, contributes to the service life extending adsorbent.
In the utility model, adsorption bed is set at adsorption section, Adsorption acid gas more than 99%.
In the utility model, removable vehicle body arranges roller, can by single promotion.
The utility model adopts the movable fixture of gas gathering system-booster fan-fabric filter-absorber combination to absorb process acid mist, not only can high efficiente callback acid mist, avoid the loss of acid mist, and acid mist more than 99% can be removed, adsorption treatment acid gas more than 99%, after process, tail gas meets qualified discharge requirement.Adopt blower fan to enter fabric filter again by after the acid mist supercharging of collection, contribute to the high efficiente callback of acid mist, and the service life of adsorbent can be extended.In addition, fiber filter trapping media and the adsorbent weight of the utility model use are lighter, easy to carry, emergency processing can be carried out whenever and wherever possible to acid mist, to because of equipment fault, maloperation, unexpected storms and the acid mist that causes leaks discharge, dump and dump, carry out very first time process, solve the acid mist pollution problem of burst.
Accompanying drawing explanation
Fig. 1 is the process chart of the portable acid mist emergency treatment device of the utility model;
Wherein: 1-contains acid mist gas, 2-gas gathering system, 3-booster fan, 4-fabric filter, 5-absorber, 6-tail gas, 7-battery, 8-removable vehicle body.
Detailed description of the invention
Below by embodiment, the present invention is described in further detail.
As shown in Figure 1, gas gathering system 2, booster fan 3, fabric filter 4 and absorber 5 is comprised successively by the flow direction containing acid mist gas 2, wherein gas gathering system arranges gas skirt and the collecting pipe that arbitrarily can change angle, booster fan suction end gas pressure≤-5kPa (gauge pressure), outlet side gas pressure >=5kPa (gauge pressure), fabric filter arranges fabric filtration trapping media, arrange adsorbent bed in absorber, the said equipment is arranged in a removable vehicle body.
Embodiment 1
Leak titanium tetrachloride when titanium tetrachloride conveyance conduit valve damages and produce salt acid mist, use the portable acid mist emergency treatment device of the utility model to process.As shown in Figure 1, the acid mist caused because of equipment fault leaks, portable acid mist emergency treatment device is pushed into the site of the accident by removable vehicle body 8, stretch and adjust collecting pipe and the gas skirt of gas gathering system 2, can suck whole in acid mist gas in order to ensure gas skirt, prevent the escape of acid mist gas, gas skirt is 45° angle degree on acid mist emission position is oblique, as gas collection district in distance 300mm.Start blower fan 3, blower fan 3 provides direct current driving power supply by battery 7, suction end gas pressure is-10kPa (gauge pressure), outlet side gas pressure is 10kPa (gauge pressure), the gas skirt of gas gathering system 2 will be sucked containing acid mist gas 1, send into fabric filter 4 by the acid mist gas that contains of blower fan supercharging, in filter 4, acid mist more than 99% is isolated in trapping.The acid mist that filter traps is got off, coalescent change forms acid solution greatly afterwards, is discharged by overflow pipe.Gas after trap filter enters absorber 5, and in gas, gaseous state HCl is attracted to adsorbent, tail gas 6 qualified discharge.Through longtime running, adsorbent only needs change once for 6 months.
Comparative example 1
Treatment process is identical with embodiment 1, and difference is: blower fan is arranged at end, namely according to gas flow direction, comprises gas gathering system, fabric filter, absorber and blower fan successively.Because the whole system for handling before blower fan operates under negative pressure, the release of acid mist not after supercharging, the clearance of fabric filter to acid mist is caused to only have about 90%, also the clearance of adsorbent is made also to only have about 95%, cause adsorbent not high for service life, on average within every 2 months, just need to change.
Comparative example 2
Treatment process is identical with embodiment 1, and difference is: fabric filter is replaced by electrostatic precipitation filter.Because electrostatic precipitator can only get rid of particle diameter salt acid mist bigger than normal, the gentle state HCl of salt acid mist of small particle diameter is removed not yet, in gas after process, HCl concentration is still very high, although adopt blower fan pressurized treatment, but because treatment facility is different, acid mist clearance only has about 85%, and removal effect is undesirable.
Claims (9)
1. a portable acid mist emergency treatment device, it is characterized in that: comprise gas gathering system, booster fan, fabric filter and absorber successively by gas flow direction, wherein gas gathering system arranges gas skirt and the collecting pipe that arbitrarily can change angle, booster fan suction end gas pressure≤-5kPa (gauge pressure), outlet side gas pressure >=5kPa (gauge pressure), fabric filter arranges fabric filtration trapping media, arrange adsorbent bed in absorber, the said equipment is arranged in a removable vehicle body.
2. according to device according to claim 1, it is characterized in that: collecting pipe is made up of gas pipeline that can be freely movable, and gas pipeline can stretch automatically.
3., according to device according to claim 1, it is characterized in that: gas skirt acid mist emission position tiltedly on 45° angle degree, as gas collection district in distance 300mm, gas skirt can suck and whole contain acid mist gas.
4. according to device according to claim 1, it is characterized in that: booster fan adopts high pressure blower or compressor.
5. according to the device described in claim 1 or 4, it is characterized in that: control booster fan suction end gas pressure≤-10kPa (gauge pressure), outlet side gas pressure>=10kPa (gauge pressure), adjustable 100 ~ 200m
3h
-1gas flow.
6. according to device according to claim 1, it is characterized in that: booster fan arranges battery direct current driving power supply, or under the state of battery external AC power supply charging, can output power continuously.
7. according to device according to claim 1, it is characterized in that: the overflow pipe that fluid-tight and discharge acid solution are set in fabric filter.
8. according to device according to claim 1, it is characterized in that: at adsorption section, adsorption bed is set, Adsorption acid gas more than 99%.
9. according to device according to claim 1, it is characterized in that: removable vehicle body arranges roller, can by single promotion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420628648.9U CN204233893U (en) | 2014-10-28 | 2014-10-28 | Portable acid mist emergency treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420628648.9U CN204233893U (en) | 2014-10-28 | 2014-10-28 | Portable acid mist emergency treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204233893U true CN204233893U (en) | 2015-04-01 |
Family
ID=52763449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420628648.9U Active CN204233893U (en) | 2014-10-28 | 2014-10-28 | Portable acid mist emergency treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204233893U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000030A (en) * | 2016-06-27 | 2016-10-12 | 温州泓呈祥科技有限公司 | System for removing hydrogen fluoride in waste gas of enamel industry |
| CN106000031A (en) * | 2016-06-27 | 2016-10-12 | 温州泓呈祥科技有限公司 | Method for removing hydrogen fluoride in waste gas of enamel industry |
| CN108525401A (en) * | 2017-03-06 | 2018-09-14 | 卡尔·弗罗伊登伯格公司 | Filtering configuration component for mobile device |
| CN112657278A (en) * | 2020-11-17 | 2021-04-16 | 江苏科易达环保科技有限公司 | Exhaust gas treatment sharing equipment |
-
2014
- 2014-10-28 CN CN201420628648.9U patent/CN204233893U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000030A (en) * | 2016-06-27 | 2016-10-12 | 温州泓呈祥科技有限公司 | System for removing hydrogen fluoride in waste gas of enamel industry |
| CN106000031A (en) * | 2016-06-27 | 2016-10-12 | 温州泓呈祥科技有限公司 | Method for removing hydrogen fluoride in waste gas of enamel industry |
| CN108525401A (en) * | 2017-03-06 | 2018-09-14 | 卡尔·弗罗伊登伯格公司 | Filtering configuration component for mobile device |
| CN112657278A (en) * | 2020-11-17 | 2021-04-16 | 江苏科易达环保科技有限公司 | Exhaust gas treatment sharing equipment |
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| GR01 | Patent grant |