CN206924892U - A kind of industrial waste-gas purifier - Google Patents
A kind of industrial waste-gas purifier Download PDFInfo
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- CN206924892U CN206924892U CN201720792882.9U CN201720792882U CN206924892U CN 206924892 U CN206924892 U CN 206924892U CN 201720792882 U CN201720792882 U CN 201720792882U CN 206924892 U CN206924892 U CN 206924892U
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- Prior art keywords
- waste gas
- purifier according
- pole
- oil separator
- excite
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- 239000002912 waste gas Substances 0.000 title claims abstract description 76
- 238000001816 cooling Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 34
- 238000000746 purification Methods 0.000 abstract description 15
- 239000005060 rubber Substances 0.000 abstract description 10
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract description 5
- 229910000037 hydrogen sulfide Inorganic materials 0.000 abstract description 5
- 239000013502 plastic waste Substances 0.000 abstract description 5
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 2
- 229930195733 hydrocarbon Natural products 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 2
- -1 methane hydrocarbon Chemical class 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 39
- 239000000047 product Substances 0.000 description 19
- 230000005684 electric field Effects 0.000 description 11
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 239000011491 glass wool Substances 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000002440 industrial waste Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000012492 regenerant Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Electrostatic Separation (AREA)
Abstract
The utility model provides a kind of industrial waste-gas purifier, including：Admission line, water cooling system, mud chamber, waste gas adjuster, gs-oil separator, blast pipe, catch pole, excite pole, it is characterised in that gs-oil separator catches extremely hexagon, one-off drawing shaping, without gap.The utility model, which passes through, improves waste gas purification exhaust system, adds cooling system, waste gas adjuster and gs-oil separator, after purifying product of rubber and plastic waste gas, non-methane hydrocarbon emission concentration≤3.76mg/m3, it is much better than state scale value 80mg/m3, hydrogen sulfide average discharge≤0.014 ㎏/h is much better than state 2.3 ㎏ of scale value/h, and purification efficiency is up to more than 95%.
Description
Technical field
It the utility model is related to industrial waste gas purifying field, and in particular to a kind of cleaning equipment for waste organic gas (system) is special
Not Shi Yongyu product of rubber and plastic and glass wool product waste gas purification.
Background technology
Industrial organic waste-gas purification device in conventional art is combined by multiple kitchen fume processors, due to work
Industry production waste gas discharge capacity is big, treatment effect unobvious, and needs often cleaning, and operation difficulty is quite big during cleaning.Cause big
Part pernicious gas is discharged into the air, pollutes environment.
Utility model content
The purpose of this utility model is intended to overcome the deficiencies in the prior art, by improving, increasing exhaust air treatment plant, effectively
Purifying industrial waste gases.
The technical solution of the utility model is to improve waste gas cleaning system, increases gas and oil separating plant, and to Oil-gas Separation
Device catches pole shape and connected mode is improved, and can effectively purify waste gas, regenerant can also recycle.
The utility model industrial waste-gas purifier includes：Admission line, water cooling system, mud chamber, waste gas adjuster
Top, waste gas adjuster bottom, gs-oil separator, blast pipe.
The technical solution of the utility model is applied to the purification of various oil gas and organic volatile.
The utility model is especially suitable for product of rubber and plastic and the waste gas purification of glass wool product.
The waste gas adjuster top is usually 1500~2000 holes, preferably 1700~1900 holes.
The waste gas adjuster top aperture is 30~100 ㎜, preferably 50~70 ㎜.
One horizontal stroke of waste gas adjuster bottom increase, the three vertical waste gas regulation pipeline, pipeline intercommunication, three vertical waste gas of the horizontal stroke of increase by one
Pipeline is adjusted, supervisor, branch diameter and opening diameter and quantity is determined according to waste gas total amount, supervisor's flow velocity, and takes and contract as far as possible
The length of short waste gas adjuster lower pipeline entrance point and three vertical waste gas regulation pipe outlets, makes the minimum side of drag losses
Formula, make waste gas arrangement more uniform.
The ㎜ of waste gas adjuster bottom waste gas regulation pipeline predominant tube diameter 1200~1600；It is preferred that 1350~1500 ㎜,
The upper rows of openings of EDS maps one, bore dia are 70~130 ㎜, preferably 90~110 ㎜.
The waste gas adjuster bottom waste gas adjusts pipeline branch pipe a diameter of 500~750 ㎜, preferably 580~700 ㎜, puts down
Row is uniformly distributed three rows of openings, and bore dia is 70~130 ㎜, preferably 90~110 ㎜.
The waste gas adjuster lower pipeline entrance point length is usually 900~1100 ㎜.
Described three vertical waste gas regulation pipe outlet length are usually 1400~1900 ㎜.
The gs-oil separator, which includes, to be caught pole and excites pole.
Ultimate ratio is excited to catch extremely a length of 1.5~2.0 meters.And the gs-oil separator of prior art excites ultimate ratio seizure extremely long
1.0 rice.Gs-oil separator is not easy to discharge after improvement, effectively raises voltage, and catches pole and do not produce and smolder.
It is described to excite pole to be commonly installed wire electrode 300~600, preferably 340~560.After wire electrode quantity increase, increase
The contact surface of large electrode silk and waste gas, so as to increase treating capacity, clean-up effect is more preferable.
The electric field for catching pole and exciting and 4.0~7.5 ten thousand volts being set up between pole, compared with prior art 4.5~6.0 ten thousand volt
Field regime it is bigger, be easy to rationally utilize electric energy, when treating capacity is small, establish compared with existing fringing field, reduce energy waste, work as processing
When measuring big, higher electric field is established, improves treatment effect.
The gs-oil separator catches pole and excites the electric field no load test between pole to be more than 7.2 ten thousand volts.
Handle the Nm of air quantity 6.5 ten thousand3During/h, the gs-oil separator catches pole and excites the electric field highest work electricity between pole
Press 6.5 ten thousand volts；Handle the Nm of air quantity 5.5 ten thousand3During/h, 50,000 volts of maximum operating voltage.
The gs-oil separator is usually 300~600 holes, preferably 340~560 holes.
The gs-oil separator catches extremely hexagon, one-off drawing shaping, i.e., with hexagon mould (internal model, external mold) essence
Close fit, by the hexagon steel tubes (note after heating：About 4 millimeters of blank thickness of pipe wall) it is drawn into satisfactory seizure pole
(about 2 millimeters of finished product wall thickness), catch and be brought into close contact between pole, upper and lower ends screw connection, full of whole tank body, catch pole it
Between there is no gap.And two triangle butt welding in spot of prior art generally use, there is gap generation between each side；Or use six sides
Shape is arranged in parallel, there is the gap to assume diamond in shape between hexagon, and causing gas leakage to cause, waste gas arrangement is uneven, and portion does not pass through place
Reason is directly outer to arrange, and exhaust-gas treatment effect is poor.
The gs-oil separator catches pole hexagon opposite side a diameter of 50~450 ㎜, preferably 150~300 ㎜.
About 15 meters of the utility model waste gas purification apparatus total height, about 6~7 meters of diameter.
Waste gas enters back into gs-oil separator, oil gas after air inlet pipe enters water cooling system cooling by waste gas adjuster
The seizure pole of separator and exciting sets up 4~7.5 ten thousand volts of electric field between pole, and corona discharge is produced between the two poles of the earth.Originally
When the gas of dust-laden and oils droplet after step cooling is by the space, dust and oils droplet be polarized it is powered, to catching pole
It is mobile, encounter seizure and be extremely attached to afterwards on seizure pole pipe wall, separator bottom is sunk to because of deadweight, into mud chamber.Sediment is determined
Phase clears up, and is recycled.
The utility model has the advantages that relative to prior art：
1. gs-oil separator rated voltage 4.0~7.5 ten thousand volt, catch pole and do not produce and smolders, service life is longer, efficiency compared with
Height, it can remove and be more than 95% oils and dust and volatile matter.
2. the utility model gs-oil separator catches extremely hexagon, one-off drawing shaping, seizure does not have gap between pole,
Make waste gas arrangement uniformly, exhaust-gas treatment effect is good.
3. non-methane hydrocarbon emission concentration≤3.76mg/m after the utility model purification product of rubber and plastic waste gas3, it is much better than state
Scale value 80mg/m3, hydrogen sulfide emission amount≤0.014 ㎏/h, it is much better than state 2.3 ㎏ of scale value/h.
4. the utility model utilizes recycling precipitate, both reduce environmental pollution, and can enough reduces product cost.
Brief description of the drawings
Fig. 1 is the utility model industrial waste-gas purifier.
In figure, 1-admission line；2-water cooling system；3-mud chamber；4-1-waste gas adjuster top；4-2-useless
Gas adjuster bottom；5-gs-oil separator；6-blast pipe；7-catch pole；8-excite pole.
Fig. 2 is water cooling system sectional view.
Fig. 3 is waste gas adjuster top sectional view.
Fig. 4 is waste gas adjuster lower section figure.
In figure, 9-1~9-9-hole of testing the speed.
Fig. 5 is gs-oil separator sectional view.
Wherein, Fig. 1 is Figure of abstract.
Embodiment
The utility model is further described with reference to Figure of description, it is only of the present utility model preferable below
Embodiment, it is impossible to which the scope of the utility model is limited with this.I.e. every change made according to present utility model application scope
With modification, all should still belong in the range of the utility model covers.
Embodiment 1 (product of rubber and plastic waste gas)
The utility model industrial waste-gas purifier includes：Admission line, water cooling system, mud chamber, waste gas adjuster
Top, waste gas adjuster bottom, gs-oil separator, blast pipe.
Waste gas adjuster top is 1800 holes, and aperture is 60 ㎜.One horizontal stroke of waste gas adjuster bottom increase, three vertical waste gas regulation
Pipeline, pipeline intercommunication, predominant tube diameter are 1420 ㎜, and the upper rows of openings of EDS maps one, bore dia is 100 ㎜；Branch pipe a diameter of 630
㎜, parallel to be uniformly distributed three rows of openings, bore dia is 100 ㎜.
Waste gas adjuster lower pipeline entrance point length is 1050 ㎜, and three vertical waste gas regulation pipe outlet length are 1800
㎜。
Gs-oil separator, which includes, to be caught pole and excites pole, is excited ultimate ratio to catch extremely long 1.5 meters, is excited pole to install wire electrode
400；Gs-oil separator is 400 holes；Gs-oil separator catches extremely hexagon, one-off drawing shaping, seamless, hexagon
A diameter of 300 ㎜ of opposite side.
About 15 meters of the utility model waste gas purification apparatus total height, about 7 meters of diameter.
As shown in Figure 1, waste gas enters water cooling system 2 through admission line 1, after cooling, by waste gas adjuster
4-1 and 4-2, into gs-oil separator 5.Processing air quantity is 6.5 ten thousand Nm3/ h, the seizure pole 7 of gs-oil separator and excite pole 8 it
Between set up the electric field of 6.5 ten thousand volts of maximum operating voltage, corona discharge is produced between the two poles of the earth.Dust-laden after preliminary cooling and
When the gas of oils droplet is by the space, dust and oils droplet are polarized powered, are moved to Ghandler motion is caught, after encountering seizure extremely
It is attached to and catches on pole pipe wall, separator bottom is sunk to because of deadweight, into mud chamber 3, utilization to be recycled after precipitation.Waste gas is through oil
Enter after gas separating device purification outside blast pipe and arrange.
Such as Fig. 4, when waste gas air quantity is 6.5 ten thousand Nm3During/h, using flow sensor in waste gas adjuster bottom, 9 are chosen
Individual position of opening, take a sample test the gas velocity value of each perforate discharge.
The waste gas adjuster bottom orifice gas flow speed value of table one
Product of rubber and plastic inlet exhaust and outlet net gas composition contrast such as following table two
| Sequence number | Title | Unit | Flue gas measurement value | Net gas measured value | State's scale value |
| 1 | NMHC | mg/m3 | 10.5 | 3.73 | 80 |
| 2 | Hydrogen sulfide | ㎏/h | 0.04 | 0.008 | 2.3 |
| 3 | Oxygen content | % | 20.6 | 20.6 | |
| 4 | Water capacity | % | 4.2 | 4.5 |
Embodiment 2 (product of rubber and plastic waste gas)
Using the purification technique of embodiment 1, difference is：Gs-oil separator catches extremely hexagon, hexagon pair
A diameter of 250 ㎜ in side.Processing air quantity is 5.5 ten thousand Nm3/ h, the seizure pole of gs-oil separator and excites and sets up most senior engineer between pole
Make the electric field of 50,000 volts of voltage.
Product of rubber and plastic inlet exhaust and outlet net gas composition contrast such as following table three.
| Sequence number | Title | Unit | Flue gas measurement value | Net gas measured value | State's scale value |
| 1 | NMHC | mg/m3 | 20.7 | 3.75 | 80 |
| 2 | Hydrogen sulfide | ㎏/h | 0.07 | 0.013 | 2.3 |
| 3 | Oxygen content | % | 20.4 | 20.4 | |
| 4 | Water capacity | % | 5.6 | 5.8 |
Embodiment 3 (product of rubber and plastic waste gas)
Using the purification technique of embodiment 1, difference is：Gs-oil separator catches extremely hexagon, hexagon pair
A diameter of 200 ㎜ in side.Processing air quantity is 40,000 Nm3/ h, the seizure pole of gs-oil separator and excites highest work is set up between pole
The electric field that 40,000 volts of voltage.
Product of rubber and plastic inlet exhaust and outlet net gas composition contrast such as following table four.
| Sequence number | Title | Unit | Flue gas measurement value | Net gas measured value | State's scale value |
| 1 | NMHC | mg/m3 | 28.6 | 3.76 | 80 |
| 2 | Hydrogen sulfide | ㎏/h | 0.09 | 0.014 | 2.3 |
| 3 | Oxygen content | % | 20.8 | 20.8 | |
| 4 | Water capacity | % | 6.1 | 6.3 |
Embodiment 4 (glass wool product waste gas)
Using the purification technique of embodiment 1, difference is：Gs-oil separator catches extremely hexagon, hexagon pair
A diameter of 300 ㎜ in side.Processing air quantity is 6.5 ten thousand Nm3/h, the seizure pole of gs-oil separator and excites and sets up most senior engineer between pole
Make the electric field of 6.5 ten thousand volts of voltage.
Glass wool product inlet exhaust and outlet net gas composition contrast such as following table five.
| Sequence number | Title | Unit | Flue gas measurement value | Net gas measured value | State's scale value |
| 1 | Nitrogen oxides | mg/m3 | 45 | 6.8 | 400 |
| 2 | Particulate matter | mg/m3 | 55 | 8.3 | 50 |
| 3 | Formaldehyde | mg/m3 | 19.8 | 2.98 | 25 |
| 4 | NMHC | mg/m3 | 18.2 | 2.73 | 80 |
Embodiment 5 (glass wool product waste gas)
Using the purification technique of embodiment 1, difference is：Gs-oil separator catches extremely hexagon, hexagon pair
A diameter of 250 ㎜ in side.Processing air quantity is 60,000 Nm3/h, the seizure pole of gs-oil separator and excites and sets up highest work between pole
The electric field that 5.5 ten thousand volts of voltage.
Glass wool product inlet exhaust and outlet net gas composition contrast such as following table six.
| Sequence number | Title | Unit | Flue gas measurement value | Net gas measured value | State's scale value |
| 1 | Nitrogen oxides | mg/m3 | 84 | 12.6 | 400 |
| 2 | Particulate matter | mg/m3 | 98 | 14.8 | 50 |
| 3 | Formaldehyde | mg/m3 | 21.4 | 3.21 | 25 |
| 4 | NMHC | mg/m3 | 20.8 | 3.12 | 80 |
Embodiment 6 (glass wool product waste gas)
Using the purification technique of embodiment 1, difference is：Gs-oil separator catches extremely hexagon, hexagon pair
A diameter of 200 ㎜ in side.Processing air quantity is 40,000 Nm3/h, the seizure pole of gs-oil separator and excites and sets up highest work between pole
The electric field that 40,000 volts of voltage.
Glass wool product inlet exhaust and outlet net gas composition contrast such as following table seven.
| Sequence number | Title | Unit | Flue gas measurement value | Net gas measured value | State's scale value |
| 1 | Nitrogen oxides | mg/m3 | 90 | 13.5 | 400 |
| 2 | Particulate matter | mg/m3 | 104 | 15.6 | 50 |
| 3 | Formaldehyde | mg/m3 | 26 | 4.01 | 25 |
| 4 | NMHC | mg/m3 | 24.5 | 3.68 | 80 |
Claims (28)
1. a kind of industrial waste-gas purifier, including：Admission line (1), water cooling system (2), mud chamber (3), waste gas regulation
Device top (4-1), waste gas adjuster bottom (4-2), gs-oil separator (5), blast pipe (6), catch pole (7), excite pole (8),
Characterized in that, it is hexagon to catch pole (7), one-off drawing shaping, seizure is brought into close contact between pole, without gap.
2. purifier according to claim 1, it is characterised in that gs-oil separator catches pole (7) hexagon opposite side diameter
For 50~450 ㎜.
3. purifier according to claim 2, it is characterised in that gs-oil separator catches pole (7) hexagon opposite side diameter
For 150~300 ㎜.
4. purifier according to claim 1, it is characterised in that gs-oil separator (5) is 300~600 holes.
5. purifier according to claim 4, it is characterised in that gs-oil separator (5) is 340~560 holes.
6. purifier according to claim 2, it is characterised in that gs-oil separator (5) is 300~600 holes.
7. purifier according to claim 1, it is characterised in that waste gas adjuster top is 1500~2000 holes.
8. purifier according to claim 7, it is characterised in that waste gas adjuster top is 1700~1900 holes.
9. purifier according to claim 2, it is characterised in that waste gas adjuster top is 1500~2000 holes.
10. purifier according to claim 4, it is characterised in that waste gas adjuster top is 1500~2000 holes.
11. purifier according to claim 7, it is characterised in that waste gas adjuster top aperture is 30~100 ㎜.
12. the purifier according to claim 11, it is characterised in that waste gas adjuster top aperture is 50~70 ㎜.
13. any one purifier according to claim 1~12, it is characterised in that waste gas adjuster bottom increase by one
The vertical waste gas regulation pipeline of horizontal stroke three, pipeline intercommunication.
14. the purifier according to claim 13, it is characterised in that waste gas adjuster bottom predominant tube diameter 1200~1600
㎜；Waste gas adjuster bottom a diameter of 500~750 ㎜ of branch pipe.
15. the purifier according to claim 14, it is characterised in that waste gas adjuster bottom predominant tube diameter 1350~1500
㎜；Waste gas adjuster bottom a diameter of 580~700 ㎜ of branch pipe.
16. the purifier according to claim 13, it is characterised in that waste gas adjuster bottom supervisor opening diameter be 70~
130㎜；Branch pipe opening diameter is 70~130 ㎜.
17. the purifier according to claim 16, it is characterised in that waste gas adjuster bottom supervisor opening diameter be 90~
110㎜；Branch pipe opening diameter is 90~110 ㎜.
18. the purifier according to claim 14, it is characterised in that waste gas adjuster bottom supervisor opening diameter be 70~
130㎜；Branch pipe opening diameter is 70~130 ㎜.
19. any one purifier according to claim 1~12, it is characterised in that excite ultimate ratio catch it is extremely long by 1.5~
2.0 rice.
20. the purifier according to claim 13, it is characterised in that excite ultimate ratio to catch extremely long 1.5~2.0 meters.
21. the purifier according to claim 14, it is characterised in that excite ultimate ratio to catch extremely long 1.5~2.0 meters.
22. the purifier according to claim 16, it is characterised in that excite ultimate ratio to catch extremely long 1.5~2.0 meters.
23. any one purifier according to claim 1~12, it is characterised in that excite pole installation wire electrode 300~
600.
24. the purifier according to claim 23, it is characterised in that excite pole to install wire electrode 340~560.
25. the purifier according to claim 13, it is characterised in that excite pole to install wire electrode 300~600.
26. the purifier according to claim 14, it is characterised in that excite pole to install wire electrode 300~600.
27. the purifier according to claim 16, it is characterised in that excite pole to install wire electrode 300~600.
28. the purifier according to claim 19, it is characterised in that excite pole to install wire electrode 300~600.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720792882.9U CN206924892U (en) | 2017-07-03 | 2017-07-03 | A kind of industrial waste-gas purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720792882.9U CN206924892U (en) | 2017-07-03 | 2017-07-03 | A kind of industrial waste-gas purifier |
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| Publication Number | Publication Date |
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ID=61353219
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107149986A (en) * | 2017-07-03 | 2017-09-12 | 华美节能科技集团有限公司 | A kind of industrial waste-gas purifier |
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2017
- 2017-07-03 CN CN201720792882.9U patent/CN206924892U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107149986A (en) * | 2017-07-03 | 2017-09-12 | 华美节能科技集团有限公司 | A kind of industrial waste-gas purifier |
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