CN105664642A - Flue gas treatment system - Google Patents
Flue gas treatment system Download PDFInfo
- Publication number
- CN105664642A CN105664642A CN201610160140.4A CN201610160140A CN105664642A CN 105664642 A CN105664642 A CN 105664642A CN 201610160140 A CN201610160140 A CN 201610160140A CN 105664642 A CN105664642 A CN 105664642A
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- Prior art keywords
- water separator
- conical
- oil water
- outlet
- vertical channel
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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
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
-
- 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
- B01D53/002—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 by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention relates to a flue gas treatment system which comprises a spraying treatment tower and an oil-water separator. The oil-water separator is arranged right below the spraying treatment tower. The outer walls of the oil-water cylinder and the spraying treatment tower are cylindrical and coaxial. A gas conveying pipe is arranged between the spraying treatment tower and the oil-water separator. The oil-water separator comprises a conical inlet, a vertical channel, a conical outlet and a conical partition, wherein the conical inlet is arranged right above the conical outlet, the upper end of the vertical channel is communicated with the conical inlet, the lower end of the vertical channel is communicated with the conical outlet, the lower end of the conical partition is connected to the inner side of the outer wall of the oil-water separator, the upper end of the conical partition is located between the lower end of the conical inlet and the lower end of the conical partition, and an annular outlet is formed between the conical partition and the vertical channel. The flue gas treatment system has the advantages that the problem that heavy oil and light oil cannot be separated directly is solved, cost is lowered, and equipment utilization rate is increased.
Description
Technical field
The present invention relates to a kind of smoke processing system, particularly relate to the equipment that a kind of high-temperature flue gas that oily sludge is produced in mummification and pyrolysis charring process processes.
Background technology
According to statistics, the generation amount of the oil recovery business oily sludge of China is more than million tons. Containing bulk petroleum hydro carbons in oily sludge, if not utilizing, not only wasting petroleum resources, and because moisture content is higher, sludge volume is relatively larger, it is necessary to takies large-area soil and carries out storing or filling, easily to environment. Treatment technology for oily sludge has burning, biological treatment and pyrolysis etc. both at home and abroad. The pyrolysis charring of oily sludge is adopted by industry gradually as the comparatively effective resource treatment technique of one.
Application number disclosed in 29 days July in 2015 be 201520099383.2 innovation and creation disclose a kind of smoke processing system, it utilizes treating column, spray thrower and oil scraping mechanism etc. to complete three phase separation, solve pyrolysis gas in entering the process entering pipeline after condensation process, be susceptible to the problem of blocking, and utilize oil scraping mechanism to reclaim mink cell focus and light oil. But, mink cell focus and the light oil collected due to these innovation and creation are not easily separated, mix, cause separately utilizing in the occasion of mink cell focus and light oil at many needs, the special equipment mink cell focus to collecting and light oil is needed to be easily separated, adding man-hour, improve cost, utilization rate of equipment and installations is not high.
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art part, overcome mink cell focus and light oil can not be made directly the problem of separation, make mink cell focus and light oil be done directly separation at collection phase.
A kind of smoke processing system, including spray treating column and oil water separator, described oil water separator is arranged on immediately below spray treating column; The outer wall of described oil water separator and described spray treating column is tubular and is coaxially disposed, and air shooter is arranged between spray treating column and oil water separator; Described oil water separator lower end is provided with expansion chamber, and described expansion chamber is that inverted cone is connected with the outer wall of oil water separator, the axis of described expansion chamber and the dead in line of oil water separator, and the inside outer wall of described oil water separator is provided with sensor; Described oil water separator includes tapered inlet, Vertical Channel, conical outlet and conical baffle, and described tapered inlet is arranged on directly over conical outlet, and described Vertical Channel upper end connects with tapered inlet, and described Vertical Channel lower end connects with conical outlet; Described conical baffle lower end is connected to the inside outer wall of described oil water separator, and described conical baffle upper end is between tapered inlet lower end and conical baffle lower end; Ring exit is formed between described conical baffle and described Vertical Channel, the outer wall of described oil water separator is provided with light oil outlet and mink cell focus outlet, described light oil exports between described conical baffle top and bottom, and described mink cell focus exports between conical baffle lower end and expansion chamber upper end; Described expansion chamber bottom is provided with slagging channel.
As improvement, being provided with rotation element in described conical outlet, described rotation element is disc, the axis of described rotation element and the dead in line of Vertical Channel;Described rotation element is between conical outlet top and bottom.
As improvement, being provided with discharge duct in described Vertical Channel, described discharge duct upper end is that circular arc is bent downwardly; Described discharge duct upper end open is between tapered inlet top and bottom, and described discharge duct lower end is in Vertical Channel lower end and rotates between element upper end.
As improvement, described sensor can be pressure transducer, described pressure transducer at least two, and two pressure transducers are between conical baffle lower end and expansion chamber upper end; Two pressure transducers are vertically arranged up and down, lay respectively on the upper end of mink cell focus outlet and under the lower end of mink cell focus outlet.
As improvement, being provided with horizontal comb in described spray treating column, described horizontal comb is arranged on spray treating column inside outer wall, is positioned on air shooter; At least provided with a shower nozzle in described spray treating column, described shower nozzle is arranged on described horizontal comb top; Being provided with packing layer on described horizontal comb, described packing layer upper end is positioned under described shower nozzle.
As improvement, described spray treating column top offers gas passage mouth, and described gas passage mouth connects gas passage, is provided with condensation plate in described gas passage, and described condensation plate is a kind of fold-line-shaped plate with holes, and described condensation plate is positioned at gas passage mouth place.
As improvement, described ring exit and described Vertical Channel coaxial line; The dead in line of the axis of described Vertical Channel and described oil water separator.
As improvement, smoke processing system also includes cyclone dust extractor, described cyclone dust extractor is provided with smoke feed pipe, described cyclone dust extractor is connected with spray treating column by air shooter, described cyclone dust extractor outer surface is provided with and adds hot jacket, described add to be provided with between hot jacket and cyclone dust extractor add hot channel, described heating pipe head is connected with smoke feed pipe, and heating pipe outlet is connected with smoke feed pipe and is positioned at heating pipe head and is connected with smoke feed pipe after contact.
Beneficial effects of the present invention:
(1) present invention utilizes the special construction of oil water separator, make mink cell focus and light oil autologous density can be relied on to make mink cell focus and light oil be able to separate collection in the oil-water separation stage, avoid increasing subsequent technique and man-hour the mink cell focus to collecting and light oil be easily separated, decrease man-hour, reduce cost, improve the utilization ratio of equipment, and spray treating column, oil water separator, expansion chamber and conical baffle coaxial line, it is ensured that stability when spray treating column and oil water separator operating.
(2) oil water separator of the present invention conical outlet in arrange rotate element the liquid in oil water separator can be stirred, while acceleration mink cell focus separates with light oil, rotate when element rotates and may also reach up the unforeseeable effect of such a:, when rotating element rotation, rotate member upper and can form low-pressure area, facilitate the liquid in Vertical Channel to circulate downwards; Additionally, rotate and can also apply pressure to rotating element lower portions liquid when element rotates, force liquid below conical outlet to flow to oil water separator surrounding so that it is in mink cell focus and light oil float up, it is to avoid part mink cell focus and light oil are trapped near conical outlet to be difficult to discharge.
(3) it is provided with discharge duct in the Vertical Channel of the present invention, it is to avoid build-up of air in conical outlet, hinders downward liquid flow in Vertical Channel.
(4) present invention utilizes the heat of high-temperature flue gas self that cyclone dust extractor is heated so that the surface temperature in cyclone dust extractor and smoke contacts face is higher than flue gas dew point temperature, it is to avoid the generation of leak source corrosion phenomenon on contact surface;Simultaneously the present invention prevents what dew point corrosion was taked its heat of heating measures from high-temperature flue gas itself, energy-conserving and environment-protective.
(5) present invention first passes through cyclone dust extractor and carries out independent dust removal process and carried out spray process further through the shower nozzle in spray treating column, and sprays process itself and has the effect of dedusting. So, actual having carried out of the present invention once sprays, twice dedusting, and dust is very easily adhere to a large amount of mink cell focus and light oil composition, twice dedusting is equivalent to the mink cell focus and the light oil composition that remove in flue gas further, thus the mink cell focus more thoroughly removed in flue gas and light oil composition, dust itself is also able to more remove thoroughly simultaneously.
(6) present invention utilizes the temperature of flue gas itself that cyclone dust extractor is heated an also unforeseeable advantage: after heating, the temperature of flue gas itself decreases, after temperature reduces, gas viscosity reduces, decrease in viscosity can improve the sedimentation velocity of cyclone dust extractor, improves the efficiency of dust collection of cyclone dust extractor.
(7) packing layer that the present invention adopts makes the gas of rising longer with the time of contact of the ejecting liquid of decline, contact more abundant, what in gas, the condensation process of mink cell focus and light oil composition carried out is more abundant, and mink cell focus and lightweight oil separating are more thorough.
Accompanying drawing explanation
For clearer explanation technical scheme, below the accompanying drawing used required during embodiment is described is briefly described, apparently, drawings discussed below is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is embodiment one smoke processing system schematic diagram.
Fig. 2 is embodiment two smoke processing system schematic diagram.
Fig. 3 is cyclone dust extractor schematic diagram.
Label declaration:
1. smoke feed pipe, 2. cyclone dust extractor, 20. add hot jacket, 21. air shooter, 22. add hot channel, 3. spray treating column, 30. outer wall, 31. horizontal combs, 32. packing layers, 33. shower nozzle, 34. gas passage mouths, 35. gas passages, 36. condensation plate, 4. oil water separator, 4a. expansion chamber, 4b. sensor, 41. tapered inlet, 42. Vertical Channel, 43. conical outlet, 44. conical baffle, 45. ring exits, 46. light oil outlets, 47. mink cell focus exports, 48. slagging channel, 49. discharge ducts, 410. rotate element.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is illustrated clearly and completely.
Embodiment one
Fig. 1 is embodiment one smoke processing system schematic diagram. As it is shown in figure 1, provide a kind of smoke processing system in the present embodiment, including spray treating column 3 and oil water separator 4, described oil water separator 4 is arranged on immediately below spray treating column 3; The outer wall 30 of described oil water separator 4 and described spray treating column 3 for tubular and is coaxially disposed, and air shooter 21 is arranged between spray treating column 3 and oil water separator 4; Described oil water separator 4 includes tapered inlet 41, Vertical Channel 42, conical outlet 43 and conical baffle 44, described tapered inlet 41 is arranged on directly over conical outlet 43, described Vertical Channel 42 upper end connects with tapered inlet 41, and described Vertical Channel 42 lower end connects with conical outlet 43; Described conical baffle 44 lower end is connected to inside the outer wall 30 of described oil water separator 4, and described conical baffle 44 upper end is between tapered inlet 41 lower end and conical baffle 44 lower end;Ring exit 45 is formed between described conical baffle 44 and described Vertical Channel 42; Described oil water separator 4 lower end is provided with expansion chamber 4a, described expansion chamber 4a is that inverted cone is connected with the outer wall 30 of oil water separator 4, the axis of described expansion chamber 4a and the dead in line of oil water separator 4, be provided with sensor 4b inside the outer wall 30 of described oil water separator 4; The outer wall 30 of described oil water separator 4 is provided with light oil outlet 46 and mink cell focus outlet 47, the outlet 46 of described light oil is between described conical baffle 44 top and bottom, and the outlet 47 of described mink cell focus is between conical baffle 44 lower end and expansion chamber 4a upper end; Described expansion chamber 4a bottom is provided with slagging channel 48; Being provided with rotation element 410 in described conical outlet 43, described rotation element 410 be disc, the axis of described rotation element 410 and the dead in line of Vertical Channel 42; Described rotation element 410 is between conical outlet 43 top and bottom; Being provided with discharge duct 49 in described Vertical Channel 42, described discharge duct 49 upper end is that circular arc is bent downwardly; Described discharge duct 49 upper end open is between tapered inlet 41 top and bottom, and described discharge duct 49 lower end is in Vertical Channel 42 lower end and rotates between element 410 upper end; Described sensor 4b can be pressure transducer, described pressure transducer at least two, and two pressure transducers are between conical baffle 44 lower end and expansion chamber 4a upper end; Two pressure transducers are vertically arranged up and down, lay respectively on the upper end of mink cell focus outlet 47 and under the lower end of mink cell focus outlet 47; Being provided with horizontal comb 31 in described spray treating column 3, described horizontal comb 31 is arranged on inside spray treating column 3 outer wall 30, is positioned on air shooter 21; At least provided with a shower nozzle 33 in described spray treating column 3, described shower nozzle is arranged on described horizontal comb 31 top; Being provided with packing layer 32 on described horizontal comb 31, described packing layer 32 upper end is positioned under described shower nozzle 33; Described spray treating column 3 top offers gas passage mouth 34, described gas passage mouth 34 connects gas passage 35, being provided with condensation plate 36 in described gas passage 35, described condensation plate 36 is a kind of fold-line-shaped plate with holes, and described condensation plate 36 is positioned at gas passage mouth 34 place; Described ring exit 45 and described Vertical Channel 42 coaxial line; The dead in line of the axis of described Vertical Channel 42 and described oil water separator 4; Described mink cell focus outlet 47 and light oil export in 46 pipelines and are provided with valve; The valve liquid level in order to regulate in oil water separator it is provided with in described slagging channel 48.
Work process: the high-temperature flue gas that oily sludge produces in mummification and pyrolysis charring process enters spray treating column 3 from air shooter 21, flue gas passes upward through horizontal comb 31 and packing layer 32, contact with downward ejecting liquid in packing layer, condensable part and dust flow to expansion chamber 4a with ejecting liquid through oil water separator 4, ejecting liquid flows out conical outlet 43 from Vertical Channel 42 through the stirring of over-rotation element 410, and the light oil that density is little exports 46 through ring exit 45 from light oil and separates; The slightly larger mink cell focus of density is stayed and is exported 47 from mink cell focus under conical baffle 44 and separate. It is exactly specifically: reach pressure P set in advance when mink cell focus exports pressure transducer 4b above, when the pressure below sensor of mink cell focus outlet simultaneously reaches P+ Δ p, opens mink cell focus outlet valve, make mink cell focus separate.When mink cell focus exports pressure transducer above not up to pressure P set in advance, or when mink cell focus exports pressure below sensor more than P+ Δ p, close mink cell focus outlet valve. Waste water and waste residue in expansion chamber can pass through slagging channel 48 and discharge expansion chamber. It is pointed out that described Δ p is described mink cell focus pressure differential between said two pressure transducer 4b in described oil water separator 4; The valve regulated in slagging channel 48 makes the displacement that slagging channel 48 is discharged identical with whole smoke processing system inflow. Flue gas can not condensation portion enter in gas passage 35 from gas passage mouth 34. In flue gas can not condensation portion through condensation plate 36 time, the condensation plate 36 that smoke contacts temperature containing a large amount of water vapour is relatively low, a large amount of water vapour is made to be condensed into droplet, mink cell focus in flue gas and light oil composition are condensed in flowing downward entrance spray treating column 3 along condensation plate 36 by droplet, simultaneously the dust in absorption flue gas; Additionally, droplet on condensation plate 36 also has a unforeseeable effect, that is: the globule on condensation plate 36 is not before falling within spray treating column 3, condensation plate 36 forms the effect being similar to cascade, the dust not eliminated on a small quantity can be adsorbed, it is possible to mink cell focus and light oil composition to a small amount of non-total condensation condense.
Embodiment two
Fig. 2 is embodiment two smoke processing system schematic diagram, Fig. 3 is cyclone dust extractor schematic diagram. as shown in Figures 2 and 3, the present embodiment and embodiment one are distinctive in that, the smoke processing system of the present embodiment also includes cyclone dust extractor 2, described cyclone dust extractor 2 is provided with smoke feed pipe 1, described cyclone dust extractor 2 is connected with spray treating column 3 by air shooter 21, described cyclone dust extractor 2 outer surface is provided with and adds hot jacket 20, described add to be provided with between hot jacket 20 and cyclone dust extractor 2 add hot channel 22, described hot channel 22 entrance point that adds is connected with smoke feed pipe 1, add hot channel 22 port of export to be connected with smoke feed pipe 1 and be positioned at and add hot channel 22 entrance point and be connected with smoke feed pipe 1 after contact, cyclone dust extractor 2 is arranged below pipeline and is connected between spray treating column 3 and oil water separator 4, is positioned under air shooter 21 opening, is provided with the dust that blower fan makes to remove and can pass in oil water separator in pipeline.
During work: the high-temperature flue gas that oily sludge produces in mummification and pyrolysis charring process first enters from smoke feed pipe 1 and adds hot channel 22, it is heated with smoke contacts face in cyclone dust extractor 2, prevent dew point corrosion, then flue gas enters cyclone dust extractor 2 from smoke feed pipe 1, remove the dust granules carried in smoke, flue gas enters spray treating column 3 through air shooter 21 after cyclone dust extractor 2, and all the other processes are similar with embodiment one.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention. Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. a smoke processing system, it is characterised in that: including spray treating column (3) and oil water separator (4), described oil water separator (4) is arranged on immediately below spray treating column (3);The outer wall (30) of described oil water separator (4) and described spray treating column (3) for tubular and is coaxially disposed, and air shooter (21) is arranged between spray treating column (3) and oil water separator (4); Described oil water separator (4) includes tapered inlet (41), Vertical Channel (42), conical outlet (43) and conical baffle (44), described tapered inlet (41) is arranged on directly over conical outlet (43), described Vertical Channel (42) upper end connects with tapered inlet (41), and described Vertical Channel (42) lower end connects with conical outlet (43); Described conical baffle (44) lower end is connected to outer wall (30) inner side of described oil water separator (4), and described conical baffle (44) upper end is positioned between tapered inlet (41) lower end and conical baffle (44) lower end; Ring exit (45) is formed between described conical baffle (44) and described Vertical Channel (42).
2. a kind of smoke processing system as claimed in claim 1, it is characterized in that: described oil water separator (4) lower end is provided with expansion chamber (4a), described expansion chamber (4a) is connected with the outer wall of oil water separator (4) (30) in inverted cone, the axis of described expansion chamber (4a) and the dead in line of oil water separator (4), be provided with sensor (4b) inside the outer wall (30) of described oil water separator (4).
3. a kind of smoke processing system as claimed in claim 2, it is characterized in that: the outer wall (30) of described oil water separator (4) is provided with light oil outlet (46) and mink cell focus outlet (47), described light oil outlet (46) is positioned between described conical baffle (44) top and bottom, and described mink cell focus outlet (47) is positioned between conical baffle (44) lower end and expansion chamber (4a) upper end; Described expansion chamber (4a) bottom is provided with slagging channel (48).
4. a kind of smoke processing system as claimed in claim 1, it is characterized in that: in described conical outlet (43), be provided with rotation element (410), described rotation element (410) is disc, the axis of described rotation element (410) and the dead in line of Vertical Channel (42); Described rotation element (410) is positioned between conical outlet (43) top and bottom.
5. a kind of smoke processing system as claimed in claim 4, it is characterised in that: being provided with discharge duct (49) in described Vertical Channel (42), described discharge duct (49) upper end is that circular arc is bent downwardly; Described discharge duct (49) upper end open is positioned between tapered inlet (41) top and bottom, and described discharge duct (49) lower end is positioned at Vertical Channel (42) lower end and rotates between element (410) upper end.
6. a kind of smoke processing system as claimed in claim 3, it is characterized in that: described sensor (4b) can be pressure transducer, described pressure transducer at least two, two pressure transducers are positioned between conical baffle (44) lower end and expansion chamber (4a) upper end; Two pressure transducers are vertically arranged up and down, lay respectively on the upper end of mink cell focus outlet (47) and under the lower end of mink cell focus outlet (47).
7. a kind of smoke processing system as claimed in claim 1, it is characterized in that: in described spray treating column (3), be provided with horizontal comb (31), described horizontal comb (31) is arranged on spray treating column (3) outer wall (30) inner side, is positioned on air shooter (21); At least provided with a shower nozzle (33) in described spray treating column (3), described shower nozzle is arranged on described horizontal comb (31) top; Being provided with packing layer (32) on described horizontal comb (31), described packing layer (32) upper end is positioned under described shower nozzle (33).
8. a kind of smoke processing system as claimed in claim 1, it is characterized in that: described spray treating column (3) top offers gas passage mouth (34), described gas passage mouth (34) connects gas passage (35), described gas passage (35) is provided with condensation plate (36), described condensation plate (36) is a kind of fold-line-shaped plate with holes, and described condensation plate (36) is positioned at gas passage mouth (34) place.
9. a kind of smoke processing system as claimed in claim 1, it is characterised in that: described ring exit (45) and described Vertical Channel (42) coaxial line; The dead in line of the axis of described Vertical Channel (42) and described oil water separator (4).
10. a kind of smoke processing system as claimed in claim 1, it is characterized in that: smoke processing system also includes cyclone dust extractor (2), described cyclone dust extractor (2) is provided with smoke feed pipe (1), described cyclone dust extractor (2) is connected with spray treating column (3) by air shooter (21), described cyclone dust extractor (2) outer surface is provided with and adds hot jacket (20), described add to be provided with between hot jacket (20) and cyclone dust extractor (2) add hot channel (22), described hot channel (22) entrance point that adds is connected with smoke feed pipe (1), add hot channel (22) port of export to be connected with smoke feed pipe (1) and be positioned at and add hot channel (22) entrance point and be connected with smoke feed pipe (1) after contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160140.4A CN105664642A (en) | 2016-03-21 | 2016-03-21 | Flue gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610160140.4A CN105664642A (en) | 2016-03-21 | 2016-03-21 | Flue gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105664642A true CN105664642A (en) | 2016-06-15 |
Family
ID=56311192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610160140.4A Withdrawn CN105664642A (en) | 2016-03-21 | 2016-03-21 | Flue gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105664642A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111067378A (en) * | 2019-12-27 | 2020-04-28 | 陕西日日新生物科技有限公司 | Environment-friendly barbecue oven |
-
2016
- 2016-03-21 CN CN201610160140.4A patent/CN105664642A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111067378A (en) * | 2019-12-27 | 2020-04-28 | 陕西日日新生物科技有限公司 | Environment-friendly barbecue oven |
| CN111067378B (en) * | 2019-12-27 | 2021-09-10 | 泉州市泉石通智能科技有限公司 | Environment-friendly barbecue oven |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hu Weijie Inventor before: Ye Yufang Inventor before: Ye Huajian |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160617 Address after: 313113 Zhejiang city of Huzhou province Changxing County two primary Ling Kang Village Applicant after: CHANGXING JINNUO MACHINERY CO., LTD. Address before: 313100, Zhejiang, Huzhou Changxing County forest town industrial concentration area Applicant before: Zhejiang Shangding Industrial Furnace Co., Ltd. |
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| C10 | Entry into substantive examination | ||
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| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160615 |