CN107270319A - A kind of thermal power generation multipaths cooking fume purification handling device - Google Patents
A kind of thermal power generation multipaths cooking fume purification handling device Download PDFInfo
- Publication number
- CN107270319A CN107270319A CN201710579370.9A CN201710579370A CN107270319A CN 107270319 A CN107270319 A CN 107270319A CN 201710579370 A CN201710579370 A CN 201710579370A CN 107270319 A CN107270319 A CN 107270319A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- guard
- oil smoke
- shell body
- filtering oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- 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
- B01D53/8671—Removing components of defined structure not provided for in B01D53/8603 - B01D53/8668
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The invention discloses a kind of thermal power generation multipaths cooking fume purification handling device, including fume purifying shell body, quartz burner, flue gas heat exchange tubule and filtering oil smoke guard, the fume purifying shell body center bottom is welded with smoke collecting cover, it is provided with above smoke collecting cover on the outside of the smoke collecting cover below filtering oil smoke guard, the filtering oil smoke guard and is provided with tobacco tar collecting tank；The filtering oil smoke guard includes internal layer filtering screen, outer filter guard and flue gas water conservancy diversion folded plate；It is welded with fume purifying shell body above the filtering oil smoke guard in the fume purifying shell body above sealing plate, sealing plate and is set to hot water chamber, photodissociation clean room is set in the fume purifying shell body between sealing plate and filtering oil smoke guard；Filter effect of the filtering oil smoke guard to fluid is improved, is realized to the filtering of tobacco tar, flue gas deodorization, sterilization and the recycling of fume afterheat in flue gas.
Description
Technical field
The present invention relates to electrical equipment technical field, specifically a kind of thermal power generation is filled with multipaths cooking fume purification handling
Put.
Background technology
With industrial development and the quickening of process, supply of electric power turn into industrial production and resident living it is great needed for, especially
It is more needed in terms of industrial production, and existing generation mode relies primarily on thermal power generation, and thermal power generation is important
Shortcoming is exactly that atmospheric environment is polluted, and the equipment majority of especially thermal power generation will be led using burning coal as primary raw material
Cause discharge especially in contain substantial amounts of noxious fume, although currently for the removal facility ratio of the particulate matters such as the dust in flue gas
It is more perfect, but for the pernicious gas in flue gas such as：Ammonia, trimethylamine, hydrogen sulfide, first sulphur hydrogen, methyl disulfide, carbon disulfide and
The gas that toluene etc. gives out a foul smell, lacks necessary eliminating equipment.
With the development of urbanization, substantial amounts of plastic article is largely abandoned, for the processing of plastic products, and very big one should
For in thermal power generation, therefore, causing existing thermal power generation to produce substantial amounts of dust and tobacco tar simultaneously during burning
With fume emission into atmosphere, thus cause environment heavily contaminated, and part steam power plant is in combustion process
In, addition fuel oil is combustion-supporting etc..Accordingly, it would be desirable to which the flue gas discharged to existing steam power plant proceeds through processing, cigarette is reduced
Ammonia, trimethylamine, hydrogen sulfide, first sulphur hydrogen, methyl disulfide, carbon disulfide and toluene contained in gas in the discharge of tobacco tar and flue gas etc.
The gas given out a foul smell, and purification is cracked, and the device further recycled to the waste heat in flue gas meets flue gas
Process demand.
The content of the invention
It is an object of the invention to provide a kind of thermal power generation multipaths cooking fume purification handling device, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of thermal power generation multipaths cooking fume purification handling device, including fume purifying shell body, quartz burner, cigarette
Gas heat exchange tubule and filtering oil smoke guard, the fume purifying shell body center bottom are welded with smoke collecting cover, fume collection
Cover top is provided with the inside of the smoke collecting cover below filtering oil smoke guard, the filtering oil smoke guard and is set to what is be in communication with the outside
Tobacco tar collecting tank is provided with the outside of smoke collecting cover below smoke inlet, the filtering oil smoke guard；The filtering oil smoke guard bag
Include internal layer filtering screen, outer filter guard and flue gas water conservancy diversion folded plate；Fume purifying shell above the filtering oil smoke guard
It is welded with vivo in the fume purifying shell body above sealing plate, sealing plate and is set to hot water chamber, sealing plate and filtering oil smoke net
It is set to that quartz burner is installed in photodissociation clean room, the photodissociation clean room in fume purifying shell body between cover；It is described
Flue gas delivery trunk is welded with the middle part of sealing plate, flue gas delivery trunk upper end connects even tracheae disk, and even tracheae disk is arranged on hot water
In chamber, hot-water cavity indoor location has gas collection pipe dish, some flue gas heat exchanges is connected between gas collection pipe dish and even tracheae disk thin
Pipe, the gas collection pipe dish upper end connects blower fan, and blower fan upper end is provided with the structure phase of exhaust outlet, the even tracheae disk and gas collection pipe dish
Together, the even tracheae disk and gas collection pipe dish by conduction pipe with conducting ring group into the conducting ring is 3~6 concentric circles ring groups
Into the diameter from-inner-to-outer of donut increases step by step, is interconnected on conducting ring by some conduction pipes, the conducting ring side
Face is vertically connected with some equally distributed some flue gas heat exchange tubules, and some flue gas heat exchange tubules inside conducting ring with connecting
It is logical.
It is used as further scheme of the invention：On the outside of the hemispherical structure of filtering oil smoke guard, filtering oil smoke guard
It is welded on by demarcation strip on fume purifying shell body inwall.
It is used as further scheme of the invention：The tobacco tar collecting tank is arranged on inside fume purifying shell body, the oil
Cigarette purification shell body bottom side is welded with tobacco tar delivery pipe, tobacco tar delivery pipe connection tobacco tar collecting tank, tobacco tar delivery pipe and is provided with
Valve.
It is used as further scheme of the invention：The internal layer filtering screen and outer filter guard are half set with the centre of sphere
Spherical structure, if being provided with dry flue gas water conservancy diversion folded plate between the internal layer filtering screen and outer filter guard, flue gas water conservancy diversion folding
Flue gas flow-guiding channel is set between plate.
It is used as further scheme of the invention：The quartz burner outer sheath is provided with quartz glass cover, and the photodissociation is net
Change room side and be provided with ozone input pipe.
It is used as further scheme of the invention：The flue gas heat exchange tubule is made by copper pipe or aluminum pipe.
It is used as further scheme of the invention：The hot water chamber bottom side connects cold water pipe, hot-water cavity ceiling side connection heat
Water pipe, cold water pipe and hot-water line are welded on fume purifying shell body sidewall.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of thermal power generation is with multipaths fume purifying
Device is managed, it is simple in construction, it is easy to use, filter effect of the filtering oil smoke guard to fluid is improved, is opened on tobacco tar delivery pipe
Tobacco tar is discharged in convenience valve tobacco tar collecting tank；The ultraviolet that quartz burner is sent irradiates to flue gas in photodissociation clean room, has
Effect is cracked to the stench in flue gas, gas with foreign flavor, realizes deodorization, the purpose of sterilization；The waste heat of flue gas is changed by some flue gases
With hot-water cavity indoor water heat exchange occurs for hot tubule, realizes to water heating and effective utilization of fume afterheat, improves flue gas point
The uniformity of cloth and the convenience of fume collection, increase flue gas heat exchange efficiency；Flue gas after heat exchange is discharged from exhaust outlet, realization pair
The filtering of tobacco tar, flue gas deodorization, sterilization and the recycling of fume afterheat in flue gas.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the structural representation of filtering oil smoke guard in the present invention.
Fig. 3 is the structural representation of even tracheae disk in the present invention.
In figure：1- fume purifyings shell body, 2- smoke inlets, 3- smoke collecting covers, 4- tobacco tar collecting tank, 5- demarcation strips, 6-
Quartz glass cover, 7- quartz burners, 8- sealing plates, 9- cold water pipes, 10- flue gases delivery trunk, 11- hot-water lines, 12- exhausts
Mouth, 13- blower fans, 14- hot water chamber, 15- gas collections pipe dish, 16- flue gas heat exchanges tubule, the even tracheae disks of 17-, 18- photodissociation clean room,
19- filtering oil smokes guard, 20- tobacco tar delivery pipe, 21- internal layers filtering screen, 22- outer filters guard, 23- flue gases water conservancy diversion folding
Plate, 24- flue gases flow-guiding channel, 25- conduction pipes, 26- conducting rings.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer in Fig. 1~3, the embodiment of the present invention, a kind of thermal power generation multipaths cooking fume purification handling device, including
Fume purifying shell body 1, quartz burner 7, flue gas heat exchange tubule 16 and filtering oil smoke guard 19, the fume purifying shell body
1 center bottom is welded with smoke collecting cover 3, and the top of smoke collecting cover 3 is provided with filtering oil smoke guard 19, the filtering oil smoke net
19 hemispherical structures are covered, the outside of filtering oil smoke guard 19 is welded on the inwall of fume purifying shell body 1 by demarcation strip 5, institute
The inner side of smoke collecting cover 3 for stating the lower section of filtering oil smoke guard 19 is set to the smoke inlet 2 being in communication with the outside, the filtering oil smoke guard
The outside of smoke collecting cover 3 of 19 lower sections is provided with tobacco tar collecting tank 4, and tobacco tar collecting tank 4 is arranged on inside fume purifying shell body 1,
The bottom side of fume purifying shell body 1 is welded with tobacco tar delivery pipe 20, the connection tobacco tar of tobacco tar delivery pipe 20 collecting tank 4, tobacco tar row
Put and be provided with pipe 20 for controlling the valve that tobacco tar is discharged in tobacco tar collecting tank 4.
The filtering oil smoke guard 19 includes internal layer filtering screen 21, outer filter guard 22 and flue gas water conservancy diversion folded plate 23,
The internal layer filtering screen 21 and outer filter guard 22 are the hemispherical dome structure set with the centre of sphere, the internal layer filtering screen 21
If being provided with dry flue gas water conservancy diversion folded plate 23 between outer filter guard 22, flue gas water conservancy diversion is set between flue gas water conservancy diversion folded plate 23 and is led to
Road 24, flue gas flow-guiding channel 24 extends distance of the flue gas by filtering oil smoke guard 19；When oil smoke by smoke inlet 2 enters cigarette
After gas collecting hood 3, flue gas enters in filtering oil smoke guard 1, and internal layer filtering screen 21 is filtered out to the fluid in oil smoke first, then
Oil smoke is hit through flue gas flow-guiding channel 24 with flue gas water conservancy diversion folded plate 23, and part fluid is impinged upon on flue gas water conservancy diversion folded plate 23 along oil
Cigarette filtering screen 19 is flowed in the tobacco tar collecting tank 4 of both sides, last outer filter guard 22 again to the oil filtrating in flue gas,
Filter effect of the filtering oil smoke guard 19 to fluid is improved, is opened on tobacco tar delivery pipe 20 in convenience valve tobacco tar collecting tank 4
Tobacco tar is discharged.
Sealing plate 8 is welded with the fume purifying shell body 1 of the top of filtering oil smoke guard 19, the top of sealing plate 8
Hot water chamber 14 is set in fume purifying shell body 1, the fume purifying shell body 1 between sealing plate 8 and filtering oil smoke guard 19
Inside it is set in photodissociation clean room 18, the photodissociation clean room 18 that quartz burner 7 is installed, the outer sheath of quartz burner 7 is provided with
Quartz glass cover 6, quartz glass cover 6 has good transmitting UV performance, and effectively prevents fume pollution ultraviolet lamp
Pipe 7, influences its ultraviolet irradiation；In use, the ultraviolet that quartz burner 7 is sent is shone flue gas in photodissociation clean room 18
Penetrate, effectively the stench in flue gas, gas with foreign flavor are cracked, realize deodorization, the purpose of sterilization.
The side of photodissociation clean room 18 is provided with the ozone input pipe being passed through for ozone, further improves the effect of gas cleaning
Really.
The middle part of sealing plate 8 is welded with flue gas delivery trunk 10, and the upper end of flue gas delivery trunk 10 connects even tracheae disk 17,
Even tracheae disk 17 is arranged in hot water chamber 14, and gas collection pipe dish 15, gas collection pipe dish 15 and even tracheae are provided with hot water chamber 14
Be connected with some flue gas heat exchange tubules 16 between disk 17, flue gas heat exchange tubule 16 made by the good copper pipe of thermal conductivity or aluminum pipe and
Into the upper end of gas collection pipe dish 15 connects blower fan 13, and the upper end of blower fan 13 is provided with exhaust outlet 12；Blower fan is by cigarette in photodissociation clean room 18
Gas is pumped into flue gas delivery trunk 10, then flue gas is pumped into some flue gas heat exchange tubules 16 by even tracheae disk 17, flue gas
Waste heat occur heat exchange by water in some flue gas heat exchange tubules 16 and hot water chamber 14, realize to more than water heating and flue gas
Effective utilization of heat, the flue gas after heat exchange is discharged from exhaust outlet 12, is realized to the filtering of tobacco tar, flue gas deodorization, sterilization in flue gas
With the recycling of fume afterheat.
The even tracheae disk 17 is identical with the structure of gas collection pipe dish 15, and the even tracheae disk 17 and gas collection pipe dish 15 are by leading
Siphunculus 25 and conducting ring 26 are constituted, and the conducting ring 26 is 3~6 donut compositions, the diameter from-inner-to-outer of donut
Increase step by step, be interconnected on conducting ring 26 by some conduction pipes 25, conducting ring 26 side is vertically connected with some equal
Some flue gas heat exchange tubules 16 of even distribution, some flue gas heat exchange tubules 16 are connected with the inside of conducting ring 26；When flue gas edge
Flue gas delivery trunk 10 enter even tracheae disk 17 when, flue gas laterally some conduction pipes 25 laterally disperse and from-inner-to-outer according to
It is secondary to enter in conducting ring 26, then flow, improve along the side some flue gas heat exchange tubules 16 connected vertically of conducting ring 26
The scattered uniformity of flue gas, some flue gas heat exchange tubules 16 are added in the flue gas process of circulation, with water in hot water chamber 14
Heat exchange area, improves heat exchange efficiency and effect；Then flue gas is flowed into some conducting rings 26 of gas collection pipe dish 15, then along collection
The conduction pipe 25 of tracheae disk 15 is collected to the middle part of gas collection pipe dish 15, and blower fan 13 is circulated to then up and is discharged from exhaust outlet 12,
The uniformity of smoke distribution and the convenience of fume collection are improved, increases flue gas heat exchange efficiency.
The bottom side of hot water chamber 14 connects cold water pipe 9, the top side of hot water chamber 14 connection hot-water line 11, cold water pipe 9 and heat
Water pipe 11 is welded on the side wall of fume purifying shell body 1, is mounted on valve on cold water pipe 9 and hot-water line 11, is facilitated cold water
Injection and hot water output.
The invention is not limited in above-described embodiment, on the basis of technical scheme disclosed by the invention, the skill of this area
Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour just can make one to some of which technical characteristic
A little simple modifications, equivalent variations and modification, are belonged in the range of technical solution of the present invention.
, it is necessary to illustrate in the description of this specification, unless otherwise clearly defined and limited, term " setting ",
" connected " and " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be the connection of two element internals.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Claims (7)
1. a kind of thermal power generation multipaths cooking fume purification handling device, including fume purifying shell body (1), quartz burner
(7), flue gas heat exchange tubule (16) and filtering oil smoke guard (19), it is characterised in that in fume purifying shell body (1) bottom
Portion is welded with above smoke collecting cover (3), smoke collecting cover (3) and is provided with filtering oil smoke guard (19), the filtering oil smoke net
It is set on the inside of smoke collecting cover (3) below cover (19) under the smoke inlet (2) being in communication with the outside, the filtering oil smoke guard (19)
Tobacco tar collecting tank (4) is provided with the outside of the smoke collecting cover (3) of side；The filtering oil smoke guard (19) includes internal layer filtering screen
(21), outer filter guard (22) and flue gas water conservancy diversion folded plate (23)；Outside fume purifying above the filtering oil smoke guard (19)
It is welded with housing (1) the fume purifying shell body (1) above sealing plate (8), sealing plate (8) Nei and is set to hot water chamber (14),
Photodissociation clean room (18), the light are set in fume purifying shell body (1) between sealing plate (8) and filtering oil smoke guard (19)
Quartz burner (7) is installed in solution clean room (18)；Flue gas delivery trunk (10), cigarette are welded with the middle part of the sealing plate (8)
Gas delivery trunk (10) upper end connects even tracheae disk (17), and even tracheae disk (17) is arranged in hot water chamber (14), hot water chamber
(14) gas collection pipe dish (15) is installed in, some flue gas heat exchanges are connected between gas collection pipe dish (15) and even tracheae disk (17) thin
Manage (16), gas collection pipe dish (15) the upper end connection blower fan (13), blower fan (13) upper end is provided with exhaust outlet (12), the even tracheae
Disk is identical with the structure of gas collection pipe dish, and the even tracheae disk and gas collection pipe dish are by conduction pipe with conducting ring group into the conducting
Ring is 3~6 donut compositions, and the diameter from-inner-to-outer of donut increases step by step, and some conduction pipes are passed through on conducting ring
It is interconnected, the conducting ring side is vertically connected with some equally distributed some flue gas heat exchange tubules, some flue gases
Heat exchange tubule inside conducting ring with connecting.
2. a kind of thermal power generation according to claim 1 multipaths cooking fume purification handling device, it is characterised in that described
Fume purifying is welded on by demarcation strip (5) on the outside of filtering oil smoke guard (19) hemispherical structure, filtering oil smoke guard (19)
On shell body (1) inwall.
3. a kind of thermal power generation according to claim 1 multipaths cooking fume purification handling device, it is characterised in that described
Tobacco tar collecting tank (4) is arranged on fume purifying shell body (1) inside, and fume purifying shell body (1) bottom side is welded with tobacco tar
Delivery pipe (20), tobacco tar delivery pipe (20) connection tobacco tar collecting tank (4), tobacco tar delivery pipe is provided with valve on (20).
4. a kind of thermal power generation according to claim 1 multipaths cooking fume purification handling device, it is characterised in that described
Internal layer filtering screen (21) and outer filter guard (22) are the hemispherical dome structure set with the centre of sphere, the internal layer filtering screen
(21) and outer filter guard (22) if between be provided between dry flue gas water conservancy diversion folded plate (23), flue gas water conservancy diversion folded plate (23) and be set to
Flue gas flow-guiding channel (24).
5. a kind of thermal power generation according to claim 1 multipaths cooking fume purification handling device, it is characterised in that described
Quartz burner (7) outer sheath is provided with quartz glass cover (6), and the photodissociation clean room (18) is provided with ozone input pipe sideways.
6. a kind of thermal power generation according to claim 1 multipaths cooking fume purification handling device, it is characterised in that described
Flue gas heat exchange tubule (16) is made by copper pipe or aluminum pipe.
7. a kind of thermal power generation according to claim 1 multipaths cooking fume purification handling device, it is characterised in that described
Hot water chamber (14) bottom side connection cold water pipe (9), hot water chamber (14) top side connection hot-water line (11), cold water pipe (9) and hot water
Pipe (11) is welded on the wall of fume purifying shell body (1) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710579370.9A CN107270319A (en) | 2017-07-17 | 2017-07-17 | A kind of thermal power generation multipaths cooking fume purification handling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710579370.9A CN107270319A (en) | 2017-07-17 | 2017-07-17 | A kind of thermal power generation multipaths cooking fume purification handling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107270319A true CN107270319A (en) | 2017-10-20 |
Family
ID=60072752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710579370.9A Withdrawn CN107270319A (en) | 2017-07-17 | 2017-07-17 | A kind of thermal power generation multipaths cooking fume purification handling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107270319A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108295605A (en) * | 2018-03-16 | 2018-07-20 | 浙江绿华环境科技有限公司 | A kind of livestock and poultry dung recovery processing equipment |
| CN110207236A (en) * | 2019-07-08 | 2019-09-06 | 广东佰朋实业有限公司 | A kind of lampblack filter |
| CN113060510A (en) * | 2021-03-18 | 2021-07-02 | 龙岩市东元矿粉有限公司 | Environment-friendly energy-saving fly ash production device and manufacturing method thereof |
-
2017
- 2017-07-17 CN CN201710579370.9A patent/CN107270319A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108295605A (en) * | 2018-03-16 | 2018-07-20 | 浙江绿华环境科技有限公司 | A kind of livestock and poultry dung recovery processing equipment |
| CN110207236A (en) * | 2019-07-08 | 2019-09-06 | 广东佰朋实业有限公司 | A kind of lampblack filter |
| CN113060510A (en) * | 2021-03-18 | 2021-07-02 | 龙岩市东元矿粉有限公司 | Environment-friendly energy-saving fly ash production device and manufacturing method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171020 |
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| WW01 | Invention patent application withdrawn after publication |