CN106975315A - A kind of waste plastic regeneration exhaust gas purification equipment and purification technique - Google Patents
A kind of waste plastic regeneration exhaust gas purification equipment and purification technique Download PDFInfo
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- CN106975315A CN106975315A CN201710357445.9A CN201710357445A CN106975315A CN 106975315 A CN106975315 A CN 106975315A CN 201710357445 A CN201710357445 A CN 201710357445A CN 106975315 A CN106975315 A CN 106975315A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
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- General Chemical & Material Sciences (AREA)
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Abstract
The present invention relates to a kind of waste plastic regeneration exhaust gas purification equipment and purification technique, belong to waste or used plastics comprehensive utilization tail gas disposal technique field.Technical scheme is：The regenerating device for waste plastics（1）Top is provided with gas skirt（2）, gas skirt（2）Pass through exhaust pipe（3）With sieves（4）Connection, sieves（4）Screen cloth before matching be provided with rotary slagging coutrol device（5）, sieves（4）Screen cloth behind successively with one section of water film dedusting tower（7）, two sections of water film dedusting towers（8）, low-temperature plasma purifying box（9）, photooxidation catalysis organic waste-gas purification case（10）, air-introduced machine（11）And chimney（12）Connection.The beneficial effects of the invention are as follows：To the poisonous and hazardous tail gas produced during plastic reclaimed, a series of processing such as filtered, cooled down, being precipitated, being decomposed, the tail gas of discharge is reached the discharge standard of country, environmental protection is benefited the nation and the people.
Description
Technical field
The present invention relates to a kind of waste plastic regeneration exhaust gas purification equipment and purification technique, belong to waste or used plastics comprehensive utilization
Tail gas disposal technique field.
Background technology
The recycling of waste or used plastics is a part for resource environment protection industry and recycling economy, but very important,
In regeneration process of waste plastics, part macromolecule is cracked into the portions additive in small molecule and former plastics in waste plastics, can produce
Raw substantial amounts of pernicious gas excitatory, if be not acted upon, can produce strong influence to ecological environment.At present, give up
The manufacturer of the recycling of old plastics is more, but the technical merit of most of manufacturer falls behind, not specifically designed for
Waste gas is handled；In regeneration process of waste plastics, the tail gas of generation is not acted upon, is directly discharged in air, to ecology
Environment causes certain pollution.
The content of the invention
It is an object of the present invention to provide a kind of waste plastic regeneration exhaust gas purification equipment and purification technique, to plastic reclaimed process
The poisonous and hazardous tail gas of middle generation, a series of processing such as is filtered, is cooled down, being precipitated, being decomposed, reaching the tail gas of discharge
The discharge standard of country, solves problem present in background technology.
The technical scheme is that：
A kind of waste plastic regeneration exhaust gas purification equipment, comprising regenerating device for waste plastics, gas skirt, exhaust pipe, sieves,
Rotary slagging coutrol device, one section of water film dedusting tower, two sections of water film dedusting towers, low-temperature plasma purifying box, photooxidation catalysis organic exhaust gas are net
Change case, air-introduced machine and chimney；Gas skirt is provided with above the regenerating device for waste plastics, gas skirt passes through exhaust pipe and filtering
Sieve connection, before the screen cloth of sieves matching be provided with behind rotary slagging coutrol device, the screen cloth of sieves successively with one section of water film dedusting
Tower, two sections of water film dedusting towers, low-temperature plasma purifying box, photooxidations are catalyzed organic waste-gas purification case, air-introduced machine and chimney connection；
The rotary slagging coutrol device, comprising rotary slagging coutrol device end cap, bearing, rotary slagging coutrol device dividing plate, rotary slagging coutrol device charging aperture, goes out
Material mouth, axle, sealing plate, pressing plate and cylinder, the top of cylinder are provided with rotary slagging coutrol device charging aperture, and bottom is provided with discharging opening, cylinder
Two ends are provided with rotary slagging coutrol device end cap, and rotary slagging coutrol device end cap is provided with bearing, and the two ends of axle are matched on bearing, and axle is provided with
Several rotary slagging coutrol device dividing plates, rotary slagging coutrol device dividing plate is provided with sealing plate with the cylinder lumen place of matching, and sealing plate passes through pressing plate
It is fixed on rotary slagging coutrol device dividing plate.
One end of the axle is fore side spindle nose, and provided with fore side gland, fore side gland is bolted on rotation
Turn on slag-discharging device end cap；The other end of the axle is transmission side spindle nose, and provided with transmission side gland, transmission side spindle nose stretches out transmission
Side pressure lid, transmission side spindle nose is power transmission point.
The rotary slagging coutrol device charging aperture is matched with sieves, and receiving hopper is arranged below in discharging opening.
The chimney is provided with chimney rain screen.
One section of water film dedusting tower bottom is connected with sieves, one section of water film dedusting top of tower and two sections of water film dedusting towers
Bottom is connected, and two sections of water film dedusting tops of tower are connected with low-temperature plasma purifying box.
One section of water film dedusting tower, includes filler support one, Pall ring filler one, shower one, filler support two, Bao
That ring filler two and shower two；Filled out in one section of water film dedusting tower provided with filler support one, filler support one provided with Pall ring
Material one, Pall ring filler one is provided with shower one above；Shower one is provided with filler support two above, and filler support two is provided with
Pall ring filler two, Pall ring filler two is provided with shower two above.
Two sections of water film dedusting towers, include filler support three, Pall ring filler three, shower three, filler support four, Bao
Filler support three is provided with that ring filler four, shower four and demister, two sections of water film dedusting towers, filler support three is provided with Bao
That ring filler three, the top of Pall ring filler three is provided with shower three, the top filler support four of shower three, filler support four and set
There is Pall ring filler four, the top of Pall ring filler four is provided with shower four, and the top of shower four is provided with demister.
One section of water film dedusting tower and two sections of water film dedusting towers are connected with same spray system, and spray system includes spray
Dividing plate is provided with shower pipe main pipeline, filling pipe, overflow pipe, dividing plate, tank, force (forcing) pump and return duct, tank, divider upright is fixed
In sink top, do not contacted with bottom of gullet, tank is divided into above left and right two parts of bottom UNICOM, left part bypass channel and be provided with
Filling pipe, left half bottom of gullet is provided with force (forcing) pump, is connected with shower main pipeline；Right part bypass channel top is provided with overflow pipe,
Left part bypass channel is connected with return duct.
The shower main pipeline connects shower one, the spray of one section of water film dedusting tower and two sections of water film dedusting towers respectively
Pipe two, shower three, shower four；Return duct connects the bottom of one section of water film dedusting tower and two sections of water film dedusting towers respectively.
Low-temperature plasma purifying box, photooxidation catalysis organic waste-gas purification case, Pall ring filler involved in the present invention etc.,
It is known in the art public technology.
A kind of waste plastic regeneration tail gas clean-up technique, is carried out, method is as follows using the said equipment：
Regenerating device for waste plastics produces the tail gas of miscellaneous granules thing, is collected by gas skirt, in the swabbing action of air-introduced machine
Under, negative pressure is produced, sieves is reached by exhaust pipe, sieves stops the larger particles in tail gas, drops to screen cloth
Preceding rotary slagging coutrol device charging aperture, into above rotary slagging coutrol device dividing plate, rotary slagging coutrol device dividing plate is logical with the cylinder lumen place of matching
Cross sealing plate to be sealed, form the closing space being hedged off from the outer world, timing rotation rotary slagging coutrol device dividing plate, by rotary slagging coutrol device
Larger particles on dividing plate are discharged by discharging opening, into following receiving hopper, are regularly transported；
By the tail gas of sieves, the bottom of one section of water film dedusting tower is reached, in the presence of air-introduced machine, tail gas is up successively
Reach at Pall ring filler one and Pall ring filler two, the water that shower one and shower two are sprayed, spray reaches Bauer
On ring filler one and Pall ring filler two, moisture film is formed, is contacted with tail gas, the smaller particle thing in tail gas sticks to moisture film
On, wash away by shower water, be discharged to by return pipe in tank；Tail gas is discharged from one section of water film dedusting top of tower, reaches two sections
Water film dedusting tower bottom, tail gas is in the presence of air-introduced machine, and tail gas is up to reach Pall ring filler three and Pall ring filler successively
Everywhere, the water that shower three and shower four are sprayed, spray is reached on Pall ring filler three and Pall ring filler four, is formed
Moisture film, is contacted with tail gas, and remaining particulate matter in tail gas is sticked on moisture film, washes away by shower water, by return pipe
It is discharged in tank；
After the moisture content contained in tail gas is dehydrated by demister, low-temperature plasma purifying box and photooxidation catalysis organic exhaust gas are pumped to
In purifying box, irradiate, the gas of the penetrating odor contained in tail gas is degraded, turn by high energy high ozone UV ultraviolet beams
Become tasteless low molecular compound, carbon dioxide and water；Tail gas after purification is extracted into chimney by air-introduced machine, is discharged to air
In.
Small pump moisturizing into tank, force (forcing) pump is mended to shower one, shower two, shower three, shower four
Water, the sewage sprayed is through in return line flow screw clamp, the grease in sewage is floated to after the water surface, periodically by manually discharging,
Unnecessary water is discharged from overflow pipe, is handled to sewage treatment plant.
The tail gas produced in regeneration process of waste plastics is collected by the present invention, after sieves is filtered, into water
Film gas wash tower, carries out cooling and purifying, the tail gas after purification sequentially enters low-temperature plasma cleaning equipment and photooxidation is urged to tail gas
Change in organic waste-gas purification equipment, excitant peculiar smell is purged, the standard of environment protection emission is reached.
The present invention passes through
The beneficial effects of the invention are as follows：To the poisonous and hazardous tail gas produced during plastic reclaimed, filtered, cooled down, sunk
The a series of processing such as shallow lake, decomposition, make the tail gas of discharge reach the discharge standard of country, and environmental protection is benefited the nation and the people.
Brief description of the drawings
Fig. 1 is structural representation of the embodiment of the present invention；
Fig. 2 is spray system schematic diagram of the embodiment of the present invention；
Fig. 3 is rotary slagging coutrol device schematic diagram of the embodiment of the present invention；
Fig. 4 is rotary slagging coutrol device schematic side view of the embodiment of the present invention；
In figure：Regenerating device for waste plastics 1, gas skirt 2, exhaust pipe 3, sieves 4, rotary slagging coutrol device 5, receiving hopper 6, one
Section water film dedusting tower 7, filler support 1, Pall ring filler 1, shower 1, filler support 2 7.4, Pall ring
Filler 2 7.5, shower 2 7.6, two sections of water film dedusting towers 8, filler support 8.1 3, Pall ring filler 3 8.2, showers three
8.3rd, filler support 4 8.4, Pall ring filler 4 8.5, shower 4 8.6, demister 8.7, low-temperature plasma purifying box 9, light
Oxygen catalysis organic waste-gas purification case 10, air-introduced machine 11, chimney 12, chimney rain screen 13, shower main pipeline 14, filling pipe 15,
Overflow pipe 16, dividing plate 17, tank 18, force (forcing) pump 19, return duct 20, rotary slagging coutrol device end cap 21, bearing 22, bolt 23, operation
Side pressure lid 24, fore side spindle nose 25, rotary slagging coutrol device dividing plate 26, rotary slagging coutrol device charging aperture 27, transmission side gland 28, transmission side
Spindle nose 29, discharging opening 30, axle 31, sealing plate 32, pressing plate 33, cylinder 34.
Embodiment
Below in conjunction with accompanying drawing, by example, the invention will be further described.
A kind of waste plastic regeneration exhaust gas purification equipment, comprising regenerating device for waste plastics 1, gas skirt 2, exhaust pipe 3,
Sieves 4, rotary slagging coutrol device 5, one section of water film dedusting tower 7, two sections of water film dedusting towers 8, low-temperature plasma purifying box 9, photooxidations are urged
Change organic waste-gas purification case 10, air-introduced machine 11 and chimney 12；The top of regenerating device for waste plastics 1 is provided with gas skirt 2, gas collection
Cover 2 is connected by exhaust pipe 3 with sieves 4, and matching is provided with rotary slagging coutrol device 5 before the screen cloth of sieves 4, sieves 4
It is organic with one section of water film dedusting tower 7, two sections of water film dedusting towers 8, low-temperature plasma purifying box 9, photooxidation catalysis successively behind screen cloth
Exhaust gas purification case 10, air-introduced machine 11 and chimney 12 are connected；
The rotary slagging coutrol device 5, enters comprising rotary slagging coutrol device end cap 21, bearing 22, rotary slagging coutrol device dividing plate 26, rotary slagging coutrol device
Material mouth 27, discharging opening 30, axle 31, sealing plate 32, pressing plate 33 and cylinder 34, the top of cylinder 34 are provided with rotary slagging coutrol device charging aperture
27, bottom is provided with discharging opening 30, and the two ends of cylinder 34 are provided with rotary slagging coutrol device end cap 21, and rotary slagging coutrol device end cap 21 is provided with bearing
22, on bearings 22, axle 31 is provided with several rotary slagging coutrol device dividing plates 26, rotary slagging coutrol device dividing plate 26 for the two ends matching of axle 31
Sealing plate 32 is provided with the inner chamber place of matching of cylinder 34, sealing plate 32 is fixed on rotary slagging coutrol device dividing plate 26 by pressing plate 33.
One end of the axle 31 is fore side spindle nose 25, and provided with fore side gland 24, fore side gland 24 passes through bolt
23 are fixed on rotary slagging coutrol device end cap 21；The other end of the axle 31 is transmission side spindle nose 29, and provided with transmission side gland 28,
Transmission side spindle nose 29 stretches out transmission side gland 28, and transmission side spindle nose 29 is power transmission point.
The rotary slagging coutrol device charging aperture 27 is matched with sieves 4, and receiving hopper 6 is arranged below in discharging opening 30.
The chimney 12 is provided with chimney rain screen 13.
One section of water film dedusting tower bottom is connected with sieves 4, one section of water film dedusting top of tower and two sections of water film dedustings
The bottom of tower 8 is connected, and two sections of tops of water film dedusting tower 8 are connected with low-temperature plasma purifying box 9.
One section of water film dedusting tower 7, comprising filler support 1, Pall ring filler 1, shower 1, is filled out
Expect support 2 7.4, Pall ring filler 2 7.5 and shower 2 7.6；Filler support 1 is provided with one section of water film dedusting tower, is filled out
Expect that support 1 is provided with Pall ring filler 1, Pall ring filler 1 is provided with shower 1 above；Shower one
7.3 are provided with filler support 2 7.4 above, and filler support 2 7.4 is provided with Pall ring filler 2 7.5, Pall ring filler 2 7.5
Face is provided with shower 2 7.6.
Two sections of water film dedusting towers 8, comprising filler support 8.1 3, Pall ring filler 3 8.2, shower 3 8.3, are filled out
Expect to be provided with filler in support 4 8.4, Pall ring filler 4 8.5, shower 4 8.6 and demister 8.7, two sections of water film dedusting towers 8
Support 3 8.1, filler support 8.1 3 is provided with Pall ring filler 3 8.2, and the top of Pall ring filler 3 8.2 is provided with shower three
8.3, the top filler support 4 8.4 of shower 3 8.3, filler support 4 8.4 is provided with Pall ring filler 4 8.5, and Pall ring is filled out
Expect that 4 8.5 tops are provided with shower 4 8.6, the top of shower 4 8.6 is provided with demister 8.7.
One section of water film dedusting tower 7 and two sections of water film dedusting towers 8 are connected with same spray system, and spray system is included
Set in shower main pipeline 14, filling pipe 15, overflow pipe 16, dividing plate 17, tank 18, force (forcing) pump 19 and return duct 20, tank 18
There is dividing plate 17, dividing plate 17 is vertically fixed on the top of tank 18, do not contacted with bottom of gullet, by 18 points of left sides for bottom UNICOM of tank
Right two parts, left part bypass channel 18 is provided with filling pipe 15 above, and the bottom of left part bypass channel 18 is provided with force (forcing) pump 19, with shower master
Pipeline 14 is connected；The top of right part bypass channel 18 is provided with overflow pipe 16, and left part bypass channel 18 is connected with return duct 20.
The shower main pipeline 14 connect respectively one section of water film dedusting tower 7 and two sections of water film dedusting towers 8 shower one,
Shower two, shower three, shower four；Return duct 20 connects one section of water film dedusting tower 7 and two sections of water film dedusting towers 8 respectively
Bottom.
Low-temperature plasma purifying box 9 involved in the present invention, photooxidation catalysis organic waste-gas purification case 10, Pall ring filler
Deng being known in the art public technology.
A kind of waste plastic regeneration tail gas clean-up technique, is carried out, method is as follows using the said equipment：
Regenerating device for waste plastics produces the tail gas of miscellaneous granules thing, is collected by gas skirt, in the swabbing action of air-introduced machine
Under, negative pressure is produced, sieves is reached by exhaust pipe 3, sieves stops the larger particles in tail gas, drops to screen cloth
Preceding rotary slagging coutrol device charging aperture, into above rotary slagging coutrol device dividing plate 26, rotary slagging coutrol device dividing plate 26 and the inner chamber of cylinder 34
Sealed with place by sealing plate 32, form the closing space being hedged off from the outer world, timing rotation rotary slagging coutrol device dividing plate 26 will
Larger particles on rotary slagging coutrol device dividing plate 26 are discharged by discharging opening, into following receiving hopper 6, are regularly transported；
By the tail gas of sieves, the bottom of one section of water film dedusting tower is reached, in the presence of air-introduced machine, tail gas is up successively
Reach at Pall ring filler one and Pall ring filler two, the water that shower one and shower two are sprayed, spray reaches Bauer
On ring filler one and Pall ring filler two, moisture film is formed, is contacted with tail gas, the smaller particle thing in tail gas sticks to moisture film
On, wash away by shower water, be discharged to by return pipe in tank；Tail gas is discharged from one section of water film dedusting top of tower, reaches two sections
Water film dedusting tower bottom, tail gas is in the presence of air-introduced machine, and tail gas is up to reach Pall ring filler three and Pall ring filler successively
Everywhere, the water that shower three and shower four are sprayed, spray is reached on Pall ring filler three and Pall ring filler four, is formed
Moisture film, is contacted with tail gas, and remaining particulate matter in tail gas is sticked on moisture film, washes away by shower water, by return pipe
It is discharged in tank；
After the moisture content contained in tail gas is dehydrated by demister, low-temperature plasma purifying box and photooxidation catalysis organic exhaust gas are pumped to
In purifying box, irradiate, the gas of the penetrating odor contained in tail gas is degraded, turn by high energy high ozone UV ultraviolet beams
Become tasteless low molecular compound, carbon dioxide and water；Tail gas after purification is extracted into chimney by air-introduced machine, is discharged to air
In.
Small pump moisturizing into tank, force (forcing) pump is mended to shower one, shower two, shower three, shower four
Water, the sewage sprayed is through in return line flow screw clamp, the grease in sewage is floated to after the water surface, periodically by manually discharging,
Unnecessary water is discharged from overflow pipe, is handled to sewage treatment plant.
The transmission side spindle nose 29 of the rotary slagging coutrol device, can be matched with driving belt, and power is provided by motor, be rotated
Rotary slagging coutrol device dividing plate 26.Transmission side spindle nose 29 can also be rotated with manpower, complete rotary slagging coutrol device dividing plate 26 and rotate.Due to whole
Individual system needs to keep sealing state, and the rotary slagging coutrol device dividing plate 26 of rotary slagging coutrol device has sealing property, several rotary roweds
Slag device dividing plate 26 is rotated in cylinder, and several independent closing spaces will be divided into cylinder, when rotating deslagging, is not had mutually
Influence, does not interfere with the sealing of whole system.
Claims (7)
1. a kind of waste plastic regeneration exhaust gas purification equipment, it is characterised in that：Include regenerating device for waste plastics（1）, gas skirt
（2）, exhaust pipe（3）, sieves（4）, rotary slagging coutrol device（5）, one section of water film dedusting tower（7）, two sections of water film dedusting towers（8）、
Low-temperature plasma purifying box（9）, photooxidation catalysis organic waste-gas purification case（10）, air-introduced machine（11）And chimney（12）；It is described waste and old
Plastic reclaimed equipment（1）Top is provided with gas skirt（2）, gas skirt（2）Pass through exhaust pipe（3）With sieves（4）Connection, filtering
Sieve（4）Screen cloth before matching be provided with rotary slagging coutrol device（5）, sieves（4）Screen cloth behind successively with one section of water film dedusting tower
（7）, two sections of water film dedusting towers（8）, low-temperature plasma purifying box（9）, photooxidation catalysis organic waste-gas purification case（10）, air-introduced machine
（11）And chimney（12）Connection；
The rotary slagging coutrol device（5）, include rotary slagging coutrol device end cap（21）, bearing（22）, rotary slagging coutrol device dividing plate（26）, rotation
Slag-discharging device charging aperture（27）, discharging opening（30）, axle（31）, sealing plate（32）, pressing plate（33）And cylinder（34）, cylinder（34）It is upper
Portion is provided with rotary slagging coutrol device charging aperture（27）, bottom is provided with discharging opening（30）, cylinder（34）Two ends are provided with rotary slagging coutrol device end cap
（21）, rotary slagging coutrol device end cap（21）It is provided with bearing（22）, axle（31）Two ends match in bearing（22）On, axle（31）On set
There are several rotary slagging coutrol device dividing plates（26）, rotary slagging coutrol device dividing plate（26）With cylinder（34）Sealing plate is provided with the matching of inner chamber
（32）, sealing plate（32）Pass through pressing plate（33）It is fixed on rotary slagging coutrol device dividing plate（26）On.
2. a kind of waste plastic regeneration exhaust gas purification equipment according to claim 1, it is characterised in that：The axle（31）'s
One end is fore side spindle nose（25）, and provided with fore side gland（24）, fore side gland（24）Pass through bolt（23）It is fixed on rotation
Turn slag-discharging device end cap（21）On；The axle（31）The other end be transmission side spindle nose（29）, and provided with transmission side gland（28）, pass
Dynamic side axle head（29）Stretch out transmission side gland（28）, transmission side spindle nose（29）For power transmission point.
3. a kind of waste plastic regeneration exhaust gas purification equipment according to claim 1 or 2, it is characterised in that：The rotation
Slag-discharging device charging aperture（27）With sieves（4）Matching, discharging opening（30）Receiving hopper is arranged below（6）；The chimney（12）On set
There is chimney rain screen（13）.
4. a kind of waste plastic regeneration exhaust gas purification equipment according to claim 1 or 2, it is characterised in that：Described one section
Water film dedusting tower bottom and sieves（4）Connection, one section of water film dedusting top of tower and two sections of water film dedusting towers（8）Bottom is connected,
Two sections of water film dedusting towers（8）Top and low-temperature plasma purifying box（9）Connection.
5. a kind of waste plastic regeneration exhaust gas purification equipment according to claim 4, it is characterised in that：One section of moisture film
Gas wash tower（7）, include filler support one（7.1）, Pall ring filler one（7.2）, shower one（7.3）, filler support two
（7.4）, Pall ring filler two（7.5）With shower two（7.6）；Filler support one is provided with one section of water film dedusting tower（7.1）, fill out
Expect support one（7.1）It is provided with Pall ring filler one（7.2）, Pall ring filler one（7.2）Shower one is provided with above（7.3）；
Shower one（7.3）Filler support two is provided with above（7.4）, filler support two（7.4）It is provided with Pall ring filler two（7.5）,
Pall ring filler two（7.5）Shower two is provided with above（7.6）；
Two sections of water film dedusting towers（8）, include filler support（8.1）3rd, Pall ring filler three（8.2）, shower three
（8.3）, filler support four（8.4）, Pall ring filler four（8.5）, shower four（8.6）And demister（8.7）, two sections of moisture films remove
Chimney（8）It is interior to be provided with filler support three（8.1）, filler support（8.1）Three are provided with Pall ring filler three（8.2）, Pall ring fills out
Material three（8.2）Top is provided with shower three（8.3）, shower three（8.3）Top filler support four（8.4）, filler support four
（8.4）It is provided with Pall ring filler four（8.5）, Pall ring filler four（8.5）Top is provided with shower four（8.6）, shower four
（8.6）Top is provided with demister（8.7）.
6. a kind of waste plastic regeneration exhaust gas purification equipment according to claim 5, it is characterised in that：One section of moisture film
Gas wash tower（7）With two sections of water film dedusting towers（8）It is connected with same spray system, spray system includes shower main pipeline
（14）, filling pipe（15）, overflow pipe（16）, dividing plate（17）, tank（18）, force (forcing) pump（19）And return duct（20）, tank（18）
It is interior to be provided with dividing plate（17）, dividing plate（17）It is vertically fixed on tank（18）Top, is not contacted with bottom of gullet, by tank（18）It is divided into
Left and right two parts of bottom UNICOM, left part bypass channel（18）Filling pipe is provided with above（15）, left part bypass channel（18）Bottom is provided with
Force (forcing) pump（19）, with shower main pipeline（14）Connection；Right part bypass channel（18）Top is provided with overflow pipe（16）, left part bypass channel
（18）With return duct（20）Connection.
7. a kind of waste plastic regeneration tail gas clean-up technique, the waste plastics cleaning sorting limited using claim 1-6 is set
It is standby to carry out, it is characterised in that to include following processing step：
Regenerating device for waste plastics produces the tail gas of miscellaneous granules thing, is collected by gas skirt, in the swabbing action of air-introduced machine
Under, negative pressure is produced, by exhaust pipe（3）Sieves is reached, sieves stops the larger particles in tail gas, drops to sieve
Rotary slagging coutrol device charging aperture before net, into rotary slagging coutrol device dividing plate（26）Above, rotary slagging coutrol device dividing plate（26）With cylinder
（34）Pass through sealing plate at the matching of inner chamber（32）Sealed, form the closing space being hedged off from the outer world, timing rotation rotary rowed
Slag device dividing plate（26）, by rotary slagging coutrol device dividing plate（26）On larger particles discharged by discharging opening, into following splicing
Bucket（6）, regularly transport；、
By the tail gas of sieves, the bottom of one section of water film dedusting tower is reached, in the presence of air-introduced machine, tail gas is up successively
Reach at Pall ring filler one and Pall ring filler two, the water that shower one and shower two are sprayed, spray reaches Bauer
On ring filler one and Pall ring filler two, moisture film is formed, is contacted with tail gas, the smaller particle thing in tail gas sticks to moisture film
On, wash away by shower water, be discharged to by return pipe in tank；Tail gas is discharged from one section of water film dedusting top of tower, reaches two sections
Water film dedusting tower bottom, tail gas is in the presence of air-introduced machine, and tail gas is up to reach Pall ring filler three and Pall ring filler successively
Everywhere, the water that shower three and shower four are sprayed, spray is reached on Pall ring filler three and Pall ring filler four, is formed
Moisture film, is contacted with tail gas, and remaining particulate matter in tail gas is sticked on moisture film, washes away by shower water, by return pipe
It is discharged in tank；
After the moisture content contained in tail gas is dehydrated by demister, low-temperature plasma purifying box and photooxidation catalysis organic exhaust gas are pumped to
In purifying box, irradiate, the gas of the penetrating odor contained in tail gas is degraded, turn by high energy high ozone UV ultraviolet beams
Become tasteless low molecular compound, carbon dioxide and water；Tail gas after purification is extracted into chimney by air-introduced machine, is discharged to air
In.
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Application publication date: 20170725 |