CN207307593U - Exhaust treatment system for workshop of casting - Google Patents
Exhaust treatment system for workshop of casting Download PDFInfo
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- CN207307593U CN207307593U CN201721245475.2U CN201721245475U CN207307593U CN 207307593 U CN207307593 U CN 207307593U CN 201721245475 U CN201721245475 U CN 201721245475U CN 207307593 U CN207307593 U CN 207307593U
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- tower
- waste gas
- workshop
- purifying waste
- cylinder
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- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
A kind of exhaust treatment system for workshop of casting, it mainly passes through air-introduced machine and blower cover connection casting workshop by more Tower for purifying waste gas, multiple connection indoor suspended hoods in workshop are respectively arranged with the casting workshop roof and side wall metope, the suspended hood it is independent or it is multiple be connected in parallel outdoor arrangement draw phoenix machine, the air-introduced machine it is single or multiple it is in parallel after with pipeline be connected to Tower for purifying waste gas；Activated carbon absorption tower that is external, carrying out secondary deep processing is connected to after the upper end gas outlet parallel connection of single Tower for purifying waste gas or multiple Tower for purifying waste gas；The Tower for purifying waste gas includes being provided with least two-stage filler and the cylinder that at least two-stage water spray combined crosswise forms in one, the lower part of cylinder is air inlet section space, its side wall is provided with the exhaust gas inlet of tangential admission arrangement, which is sequentially arranged above with first order filler spray section and second level filler spray section；Water fender or bar are provided among the top of the cylinder and forms demisting section；It has system composition rationally, easy to install, the features such as can substantially improving casting workshop condition health, ensure direct labor's health.
Description
Technical field
The utility model relates to a kind of exhaust treatment system for workshop of casting, and belongs to exhaust gas treatment technology neck
Domain.
Background technology
In the prior art, substantial amounts of exhaust gas, especially fusible pattern formula casting workshop can be produced in casting workshop, in cast molding
During produce substantial amounts of mix waste gas, concentration is quite big, and certain heat is produced in its generating process, belong to high temperature,
High dust content exhaust gas, quite serious to human body and environmental hazard, because workshop is a relatively closed space, mix waste gas is difficult
Therefrom to escape, the health of worker is severely impacted.Therefore from the point of view of the health of worker is ensured, being badly in need of will one kind
Special exhaust treatment system, to improve the working environment in casting workshop.
The content of the invention
The purpose of the utility model is to overcome the shortcomings of the prior art, and provide a kind of system composition rationally, peace
Fill easy to use, casting workshop condition health can be substantially improved, ensure that direct labor's health is used to cast workshop
Exhaust treatment system.
The purpose of this utility model is completed by following technical solution, a kind of exhaust-gas treatment for workshop of casting
System, it mainly passes through air-introduced machine and suspended hood connection casting workshop, the casting workshop room by more Tower for purifying waste gas
It is respectively arranged with multiple connection indoor suspended hoods in workshop on top and side wall metope, the suspended hood is independent or multiple parallel connections
Connection outdoor arrangement draws phoenix machine, and Tower for purifying waste gas is connected to pipeline after the single or multiple parallel connections of the air-introduced machine；It is single
Work that is external, carrying out secondary deep processing is connected to after the upper end gas outlet parallel connection of Tower for purifying waste gas or multiple Tower for purifying waste gas
Property carbon adsorption tower.
As preferred：The Tower for purifying waste gas includes being provided with least two-stage filler in one and at least two-stage water spray is handed over
The cylinder being composed is pitched, the lower part of cylinder is air inlet section space, its side wall is provided with the exhaust gas inlet of tangential admission arrangement, should
Air inlet section space is sequentially arranged above with first order filler spray section and second level filler spray section；In the top of the cylinder
Between be provided with water fender or bar and form demisting section；The bottom of the cylinder is additionally provided with hopper, and below the bottom of cylinder
It is provided with the drainpipe with switch valve；
Columnar Alveolate activated carbon is filled with the activated carbon absorption tower, and the Alveolate activated carbon uses body
Interior vapour heating regeneration, or regenerated using external vapour heating.
The utility model belongs to the transformation to the prior art, has system composition rationally, easy to install, can be significantly
The features such as improving casting workshop condition health, ensureing direct labor's health.
Brief description of the drawings
Fig. 1 is the system composition schematic diagram of the utility model.
Fig. 2 is Tower for purifying waste gas structure diagram described in the utility model.
Embodiment
The utility model is described in detail below in conjunction with attached drawing：Shown in Fig. 1, a kind of use described in the utility model
Exhaust treatment system in casting workshop, it is mainly poured by more Tower for purifying waste gas 1 by air-introduced machine 2 and the connection of suspended hood 3
Workshop 4 is cast, multiple connection 4 indoor suspended hoods of workshop are respectively arranged with 4 roof of casting workshop and side wall metope
3, the suspended hood 3 it is independent or it is multiple be connected in parallel outdoor arrangement draw phoenix machine 2, the air-introduced machine 2 is single or multiple simultaneously
After connection Tower for purifying waste gas 1 is connected to pipeline；The upper end gas outlet 5 of single Tower for purifying waste gas 1 or multiple Tower for purifying waste gas 1 is in parallel
Activated carbon absorption tower 6 that is external, carrying out secondary deep processing is connected to afterwards.
Exhaust gas is connected to air-introduced machine by 3 uniform air sucking of suspended hood on roof and side wall metope by each fan housing pipeline
2, the suction through air-introduced machine 2 makes the exhaust gas of cast workplace be exchanged as early as possible with fresh air, it is ensured that pours into a mould the sky of workplace
Gas cleaning free from extraneous odour stops.
Shown in Fig. 2, the Tower for purifying waste gas 1 includes being provided with least two-stage filler 7 and at least two-stage water spray 8 in one
The cylinder 9 that combined crosswise forms, the lower part of cylinder 9 is air inlet section space 10, its side wall is provided with the exhaust gas of tangential admission arrangement
Import 11, the air inlet section space are sequentially arranged above with first order filler spray section and second level filler spray section, per level-one
Filler spray section is formed by filler 7 and water spray 8；Water fender 12 or bar are provided among the top of the cylinder 9 and is formed
Demisting section；The bottom of the cylinder 9 is additionally provided with hopper 13, and the bottom of cylinder 9 is provided below with switch valve 14
Drainpipe 15；
Columnar Alveolate activated carbon 16, and the Alveolate activated carbon 16 are filled with the activated carbon absorption tower 6
Regenerated using internal vapour heating, or regenerated using external vapour heating.
The operation principle of the utility model is：Exhaust gas is drawn from workshop by air-introduced machine 2 and is sent to Tower for purifying waste gas 1 and carried out
Reason, exhaust gas, tangentially into Tower for purifying waste gas 1, under the power of air-introduced machine 2, fill rapidly first from the air inlet below cylinder 9
Full air inlet section space, then rises to first order spraying filler absorber portion uniformly across air inlet section space above flow equalization section；
On the surface of filler, dust-laden material reacts with circulation fluid in gas phase, and reaction product matter flows into lower part reservoir with absorbing liquid
Groove, the gas containing water dust and taste not fully absorbed continue to ascend into first order spray section, and absorbing liquid is from uniformly in this paragraph
Nozzle high speed spray, form countless fine mists and be sufficiently mixed with gas and contact, continue to chemically react, then rise
The absorbing reaction process similar with the first order is carried out to second level packing section and spray section.The second level and first order nozzle density are not
Together, hydrojet pressure is different, and the concentration range for absorbing gas is also different.In the process that spray section and packing section two are in contact
It is the process of heat and mass transfer.By controlling void tower flow velocity with the stagnant storage time the abundant of this process can be ensured with stablizing.Tower body
Topmost be demisting section, the absorbing liquid droplet of entrained with is eliminated herein in gas, and cleaning after treatment is empty
Gas enters activated carbon absorption tower from purifying column upper end exhaust pipe and carries out secondary deep processing.
Its chemical equation：HCl+NaOH=NaCl+H2O
2NO2+2NaOH=NaNO3+NaNO2+H2O
Activated carbon is a kind of porous carbon containing matter, and there is highly developed hole to construct for it, activated carbon it is porous
Structure is provided for substantial amounts of surface area, energy and gas（Impurity）Come into full contact with, so as to impart, activated carbon is specific to be inhaled
Attached performance, makes it be very easy to achieve the purpose that to absorb to collect impurity.Just as magnetic force, all there is phase between all molecules
Mutual attraction.Just because of this, the substantial amounts of molecule on activated carbon hole wall can produce powerful gravitation, will be harmful so as to reach
Impurity is attracted to the purpose in aperture.The exhaust gas produced to low concentration, Wind Volume or batch operation is had using active carbon adsorption
Its particular advantages, the utility model processing air quantity is larger, and operational administrative is simple and safe.
Not every activated carbon can adsorb pernicious gas, only when the pore structure of activated carbon is slightly larger than pernicious gas
The diameter of molecule, can allow pernicious gas molecule completely into the case of（It is excessive or too small all not all right）It can be only achieved optimal suction
Attached effect.Alveolate activated carbon is a kind of novel environment friendly sorbing material, by the way that high grade activated carbon and auxiliary material are made honeycomb
The Filter column of shape square hole, achievees the purpose that small product size density is small, specific surface area is big, widely applied at present low concentration,
In all kinds of organic exhaust gas purifying systems of Wind Volume.Processed exhaust gas can fully and activated carbon when by cellular activated carbon square hole
Contact, adsorption efficiency is high, and air resistance coefficient is small, has excellent adsorption and desorption performance and aerodynamics performance, can be widely used for
Purified treatment contain toluene, dimethylbenzene, benzene, etc. the organic gas such as benzene class, phenols, esters, alcohols, aldehydes, foul smell gas and
All kinds of gases containing micro heavy.High, the adsorbent bed using the environmental protection equipment exhaust-gas treatment purification efficiency of Alveolate activated carbon
Small, equipment energy consumption is low, can reduce cost and operating cost, and purified gas fully meets environment protection emission requirement.
Active carbon adsorption taste removal layer（Apolegamy）：Special high-efficiency low-resistance activated carbon is selected, there is bigger serface, micropore knot
The characteristics of structure, high attached capacity, high regeneration rate, exhaust gas is contacted with the porous activated carbon with bigger serface, contained organic
Solvent contamination thing is adsorbed, and it is separated with admixture of gas, so as to fulfill the Netization to organic exhaust gas.Activated carbon after saturation
Regeneration treatment is needed, the activated carbon after processing can be continuing with adsorption effect and not subtract.
Carbon, C regeneration method can use steam hot reactivation.Regenerating active carbon, can regenerate in vivo, also can in vitro again
Raw, internal regeneration requirements equipment is of high cost for pressure vessel and equipment.It is more complicated using operating.Another method is external regeneration type
The simple cost of equipment is low, the activated carbon slave device discharge hole after closing of satisfying takes out regeneration.It is continuing with after processing in load facility,
The active charcoal dedicated processes tank of our factory can be supporting, can also return my company and carry out regeneration treatment.
When operation environment temperature is excessive, it can decline organic waste gas purifier purification efficiency, it is found that the above problem
It should take measures to reduce operating ambient temperature.
Waste gas purification processing described in the utility model is made of two processing units, and prime is exhaust gas washing tower, is given up
Gas carries out neutralization reaction by the aqueous slkali sprayed in tower with acid waste gas, due to there is part dust-like material also to lead in the offgas
Parlkaline solution falls into purification tower bottom progress periodic cleaning after carrying out cleaning showers, and the dirt mud of cleaning is as garbage disposal.Alkali
Solution using carried out again when having reached neutral state after a cycle plus mend lye（Sampling of water quality mouth test paper or the detection of PH instrument）,
In tower liquid level reduce when be automatically replenished tap water, it is ensured that tower cleaning liquid inside position it is normal.
The adsorbance of activated carbon is 250g/kg activated carbon, and 8.4m is housed in equipment3Activated carbon, weigh 5040kg, can inhale
The materials such as the Acidic organic matter of attached 1260kg, equipment can continuously or interval use 3 months after activated carbon, activated carbon can again again
Factory's regeneration treatment is returned, the activated carbon after regeneration is as new activated carbon performance.
Claims (2)
1. a kind of exhaust treatment system for workshop of casting, it mainly passes through air-introduced machine and air draught by more Tower for purifying waste gas
Cover connection casting workshop, it is characterised in that be respectively arranged with multiple connection cars on the casting workshop roof and side wall metope
Indoor suspended hood, the suspended hood it is independent or it is multiple be connected in parallel outdoor arrangement draw phoenix machine, the air-introduced machine list
After a or multiple parallel connections Tower for purifying waste gas is connected to pipeline；The upper end outlet of single Tower for purifying waste gas or multiple Tower for purifying waste gas
Activated carbon absorption tower that is external, carrying out secondary deep processing is connected to after mouth is in parallel.
2. the exhaust treatment system according to claim 1 for workshop of casting, it is characterised in that the waste gas purification
Tower includes being provided with least two-stage filler and the cylinder that at least two-stage water spray combined crosswise forms in one, the lower part of cylinder for into
Gas section space, its side wall are provided with the exhaust gas inlet of tangential admission arrangement, which is sequentially arranged above with first
Level filler spray section and second level filler spray section；Water fender or bar are provided among the top of the cylinder and forms demisting
Section；The bottom of the cylinder is additionally provided with hopper, and the drainpipe with switch valve is provided below in the bottom of cylinder；
Columnar Alveolate activated carbon is filled with the activated carbon absorption tower, and the Alveolate activated carbon is using steaming in vivo
Vapour hot reactivation, or regenerated using external vapour heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721245475.2U CN207307593U (en) | 2017-09-27 | 2017-09-27 | Exhaust treatment system for workshop of casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721245475.2U CN207307593U (en) | 2017-09-27 | 2017-09-27 | Exhaust treatment system for workshop of casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207307593U true CN207307593U (en) | 2018-05-04 |
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ID=62384365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721245475.2U Active CN207307593U (en) | 2017-09-27 | 2017-09-27 | Exhaust treatment system for workshop of casting |
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| CN (1) | CN207307593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406332A (en) * | 2018-12-14 | 2019-03-01 | 常州大学 | A kind of oil gas absorption tower packing sampler and sampling method |
-
2017
- 2017-09-27 CN CN201721245475.2U patent/CN207307593U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406332A (en) * | 2018-12-14 | 2019-03-01 | 常州大学 | A kind of oil gas absorption tower packing sampler and sampling method |
| CN109406332B (en) * | 2018-12-14 | 2021-03-23 | 常州大学 | Oil gas adsorption tower filler sampling device and sampling method |
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