CN207237703U - Plastics waste gas purification apparatus - Google Patents

Abstract

Exhaust gas environment protection treating field is the utility model is related to, more particularly, to a kind of plastics waste gas purification apparatus, it is characterised in that its structure includes：Tower body, the tower body are transparent material tower body, and the tower body top is equipped with air inlet, and tower body bottom is equipped with air outlet；Initial filtrator, the initial filtrator are arranged on air inlet pipeline, and water conservancy diversion tube core and dedusting strainer are equipped with the housing of the initial filtrator；Column plate, the tower body is interior to be equipped with one or more layers of lattice type column plate, and ozone arc-spark stand is furnished with the column plate.Compared with prior art, the beneficial effects of the utility model are.1）Using the strong oxidizing property of ozone, chain open loop is broken, deodorization reaction speed is fast, is deodorized clean-up effect more than 90%.2）Economic and environment-friendly property, deodoration system floor space is small, and engineering is simple, and overall investment cost saves, and operating cost is low, and final product is carbon dioxide and water, non-secondary pollution.

Description

Plastics waste gas purification apparatus

Technical field

Exhaust gas environment protection treating field is the utility model is related to, more particularly, to a kind of dry process, does not produce waste water two The plastics waste gas purification apparatus of secondary pollution.

Background technology

Since plastics have the excellent performances such as light, inexpensive, intensity is high and is easily worked, obtained in production and life It is widely applied.In addition to only a few plastic tube, 90% plastic products service life is short, causes the drastically increasing of waste plastics quantity Add.At this stage, waste plastics recovery technology in China's recycles process and predominantly collects, classifies and divide still based on physiochemical mutagens From, cleaning, dry, broken or be granulated, the product of the suitable market demand is made by modified reprocessing or is used in mixed way with virgin material.

In plastic processes, as high molecular material is heated, melts or polymerize, part high molecular polymer, pigment, Cracking or oxygenolysis occur for the compositions such as filler, auxiliary agent, produce the fragrant same clan, amine, hydrogen sulfide, phenols, aldehydes, acid, alkali, insatiable hunger With the pollutant such as hydro carbons, volatilize and diffuse out, entrainment of dust and moisture, outdoor is drained into by mechanical exhaust, surrounding is given birth to State environment can cause seriously pollution and harm.With the continuous improvement of industrial society's degree, people's environmental consciousness also increasingly increases By force, it is general using modes such as catalysis burning, heterogeneous catalytic oxidations in plastics exhaust gas purification process, although can be to plastics exhaust gas In the contained material for endangering environmental and human health impacts absorbed or decomposed, but equipment is complicated, and purification is not thorough, and is run The problems such as of high cost.The cleaning and maintenance in later stage are also highly difficult.

Also there is plastics exhaust gas adsorption device at present, plastics exhaust gas is directly entered activated carbon adsorber, and activated carbon is in exhaust gas Organic matter, soot dust granule thing absorbed, then discharge, but the substantial amounts of particulate matter due to activated carbon adsorption, can cause The service life reduction of activated carbon adsorber, and the activated carbon for having adsorbed large amount of organic is not easy to regenerate.Cause in the process of running Need frequently to replace activated carbon, increase the cost in equipment running process.

So largely use at present or spray column, its advantage is that vapour lock is small, and arresting efficiency is high, and cost is low, but not Foot part is the continuous circulation with shower water, and harmful substance is constantly enriched with, and causes arresting efficiency to decline, while is generated a large amount of Waste water, exhaust gas become waste water, form new pollution sources.

The content of the invention

The purpose of this utility model is to provide a kind of plastics waste gas purification apparatus, overcomes existing technical deficiency, using dry The mode of formula processing purifies the exhaust gas produced in plastic processes, harmful substance contents is dropped to below national standard, protects Hinder the health of production work personnel, which can realize in plastics exhaust gas the removal of multiple pollutant and net Change, reduce the replacement frequency in equipment running process, shorten the cleaning time between overhauls(TBO), increase system operation time.

To achieve these goals, the technical solution of the utility model is such.

A kind of plastics waste gas purification apparatus, its structure include：Tower body, the tower body are transparent material tower body, the tower body Top is equipped with air inlet, and tower body bottom is equipped with air outlet；Initial filtrator, the initial filtrator is arranged on air inlet pipeline, described Water conservancy diversion tube core and dedusting strainer are equipped with the housing of initial filtrator；Column plate, the tower body is interior to be equipped with one or more layers of lattice Subtype column plate, is furnished with ozone arc-spark stand on the column plate.

Further, the column plate is equipped with zigzag or corrugated photocatalyst screen.

Further, the column plate is equipped with active carbon filler layer.

Further, the structure of the water conservancy diversion tube core includes tube body, flange and closure plate, and the closure plate is arranged on the one of tube body End, the flange are arranged on the other end of tube body, circumferentially uniform pore openings 4 ~ 12 on the tube wall of the tube body.

Further, whole opening diameter d sectional areas summations and the sectional area of fan outlet diameter D on the water conservancy diversion tube core Than for 1：（6~10）.

Further, it is respectively equipped with ultraviolet (UV) fluorescent tube above and below the photocatalyst screen.

Further, the photocatalyst material is nano-titanium dioxide, nano zine oxide, nano tin dioxide, nano-silica Change one or both of zirconium, Nano cadmium sulphide combination of the above.

Further, the active carbon filler layer is provided close on the column plate of air outlet side.

Further, the tower body is that Wrapping formed no-welding-seam entirety is once extruded by polypropylene material.

Further, the dedusting strainer is one kind in sponge, felt or paper filter core.

Compared with prior art, the beneficial effects of the utility model are.

1）Using the strong oxidizing property of ozone, chain open loop is broken, deodorization reaction speed is fast, high-efficiency broad spectrum, is deodorized clean-up effect 90% More than, effect is better than the conventional means such as photooxidation catalysis, biological decomposition, activated carbon adsorption, plasma cleaning.

2）High-efficiency broad spectrum, starts with from foul smell molecule, complete with various types of emission molecules using the strong oxidizing property of ozone Full response, fundamentally solves exhaust gas malodor problem.

3）Reactivity in time, the ozone oxidation serial reaction of core is efficient and rapid, with reference to photocatalysis technology, it is ensured that The thorough progress of reaction.

4）Economic and environment-friendly property, deodoration system floor space is small, and engineering is simple, and overall investment cost saves, and operating cost is low, most End-product is carbon dioxide and water, non-secondary pollution.

5）The replacement frequency in equipment running process is reduced, shortens the cleaning time between overhauls(TBO), when increasing system operation Between.

Brief description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other attached drawings can also be obtained according to these attached drawings.

Fig. 1 is the utility model embodiment structure diagram.

Fig. 2 is the utility model initial filtrator example structure schematic diagram.

Fig. 3 is the utility model ozone arc-spark stand example structure schematic diagram.

Fig. 4 is the utility model photocatalyst screen example structure schematic diagram.

In figure：1- tower bodies, 2- air inlets, 3- exhaust outlets, 4- air inlet pipelines, 5- initial filtrators, 6- wind turbines, 7- column plates, 8- Ozone arc-spark stand, 9- photocatalyst screens, 10- active carbon filler layers, 11- access holes, 12- ozone electrodes, 13- ultraviolet (UV) lamps Pipe, 51- housings, 52- water conservancy diversion tube cores, 53- dedusting strainers.

Embodiment

Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.

See Fig. 1, be a kind of plastics waste gas purification apparatus example structure schematic diagram of the utility model, it is tower, tower body 1 For transparent polypropylene material, tower body 1 is that Wrapping formed no-welding-seam entirety is once extruded by clear acrylic.On tower body 1 Portion is equipped with air inlet 2, and 1 bottom of tower body is equipped with exhaust outlet 3, and the air inlet pipeline 4 of connection air inlet 2 is equipped with initial filtrator 5, first mistake The effect of filter 5 is tentatively to remove the particulate matter in exhaust gas and moisture, reduces the influence to aftertreatment device, reduces equipment Replacement frequency in operational process, shortens the cleaning time between overhauls(TBO), increases system operation time.

See Fig. 2, the structure of initial filtrator 5 includes housing 51, water conservancy diversion tube core 52 and dedusting strainer 53, the knot of water conservancy diversion tube core 52 Structure includes tube body 521, flange 522 and closure plate 523, and closure plate 523 is arranged on one end of tube body 521, and flange 522 is arranged on tube body 521 The other end, circumferentially uniform pore openings 524 totally 8 on the tube wall of tube body 521, after exhaust gas is entered by the other end of tube body 521, gives up Gas turns to 90 degree and is flowed out by perforate 524, turns again to 90 degree and is flowed out by the gap between housing 51 and tube body 521, is turned to twice The heavier dust granule of quality and moisture are thrown on the inner wall of housing 51 by centrifugal action.In order to further improve to dust granule With the capture rate of moisture, dedusting strainer 53 made of the gas place of the flowing through setting felt in the outside of tube body 521, passes through the suction of felt Dust granule and moisture absorption can also be played the role of noise reduction by attached effect.

In order to ensure that centrifugal clarification acts on, whole 524 diameter d sectional areas summations of perforate go out with wind turbine 6 on water conservancy diversion tube core 52 The sectional area ratio of mouth diameter D is 1：（6~8）, sufficiently large restriction effect can be so formed, enough centrifugal force is produced, works as section Product than it is too big when, tapping flow velocity is too fast, can will throw away dirt and rolls again and take away and cannot leave, and sectional area than it is too small when, Tapping flow velocity is too slow, it is impossible to produces sufficiently large centrifugal force and throws away dirt, cannot all reach preferable clean-up effect.

See Fig. 3, three layers of lattice type column plate 7 are equipped with tower body 1, ozone arc-spark stand 8, ozone electricity are furnished with the superiors' column plate 7 Pole frame 8 is equipped with ozone electrode 12, ensures that the ozone concentration in tower body is 6-10ppm, every cubic metre of ozone yield 15- 25mg/h。

See Fig. 4, second layer column plate is equipped with photocatalyst screen 9, its shape is the zigzag plate body with grid, multilayer screen Staggeredly closed assembly, forms mushy passage, and the surface of photocatalyst screen 9 scribbles nano-titania photocatalyst material, photocatalyst Ultraviolet (UV) fluorescent tube 13 is respectively equipped with above and below ripple screen 9, the light dominant wavelength of ultraviolet (UV) fluorescent tube is 365nm, UV Illuminance is more than 4W/cm², UV lamp tube power 200W, when daytime, nature had illumination, transparent tower body makes light-catalyzed reaction just Often carry out, therefore ultraviolet (UV) fluorescent tube 13 is in off state, when night nature no light, ultraviolet (UV) fluorescent tube is opened, still It can guarantee that photocatalyst works normally.Column plate of the orlop close to exhaust outlet side is equipped with active carbon filler layer 10, activated carbon as Last adsorbent, can catch all in one draft the residue in exhaust gas.

Tower body 1 is equipped with multiple access holes 11, convenient installation and maintenance.

The utility model has obvious economic and environment-friendly property, and installation area is small, and engineering is simple, overall investment cost Save, operating cost is low, and final product is carbon dioxide and water, non-secondary pollution, and the improvement to plastics house exhaust provides newly Solution, be also applied for that other gas defences are fresh-keeping, deodorization purification occasion uses.

Above example is only the tool to describe the purpose of this utility model in detail, technical solution and beneficial effect are chosen Body example, but should in no way limit the scope of protection of the utility model, it is all without prejudice to before the spirit and principles of the utility model Put, various modifications, equivalent substitution and the improvement made, should all fall within the scope of protection of the utility model.

Claims (9)

1. a kind of plastics waste gas purification apparatus, it is characterised in that its structure includes：

Tower body, the tower body are transparent material tower body, and the tower body top is equipped with air inlet, and tower body bottom is equipped with air outlet；

Initial filtrator, the initial filtrator are arranged on air inlet pipeline, be equipped with the housing of the initial filtrator water conservancy diversion tube core and Dedusting strainer；

Column plate, the tower body is interior to be equipped with one or more layers of lattice type column plate, and ozone arc-spark stand is furnished with the column plate.

2. a kind of plastics waste gas purification apparatus according to claim 1, it is characterised in that the column plate is equipped with zigzag Or corrugated photocatalyst screen.

3. a kind of plastics waste gas purification apparatus according to claim 1, it is characterised in that the column plate, which is equipped with, lives Property carbon filling material layer.

4. a kind of plastics waste gas purification apparatus according to claim 1, it is characterised in that the structure of the water conservancy diversion tube core includes Tube body, flange and closure plate, the closure plate are arranged on one end of tube body, and the flange is arranged on the other end of tube body, the pipe of the tube body Circumferentially uniform pore openings 4 ~ 12 on wall.

5. a kind of plastics waste gas purification apparatus according to claim 4, it is characterised in that all opened on the water conservancy diversion tube core The sectional area ratio of bore dia d sectional areas summation and fan outlet diameter D are 1：（6~10）.

A kind of 6. plastics waste gas purification apparatus according to claim 2, it is characterised in that the top of the photocatalyst screen Be respectively arranged below with ultraviolet (UV) fluorescent tube.

7. a kind of plastics waste gas purification apparatus according to claim 3, it is characterised in that the active carbon filler layer is arranged on On the column plate of air outlet side.

8. a kind of plastics waste gas purification apparatus according to claim 1, it is characterised in that the tower body is by polypropylene material It is overall that material once extrudes Wrapping formed no-welding-seam.

A kind of 9. plastics waste gas purification apparatus according to claim 1, it is characterised in that the dedusting strainer for sponge, One kind in felt or paper filter core.