CN209279692U - A kind of cleaner that function being recovered by filtration with carbon particle - Google Patents
A kind of cleaner that function being recovered by filtration with carbon particle Download PDFInfo
- Publication number
- CN209279692U CN209279692U CN201822122674.5U CN201822122674U CN209279692U CN 209279692 U CN209279692 U CN 209279692U CN 201822122674 U CN201822122674 U CN 201822122674U CN 209279692 U CN209279692 U CN 209279692U
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- China
- Prior art keywords
- cooling tower
- recovered
- filtration
- water tank
- cleaner
- 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.)
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 35
- 239000002245 particle Substances 0.000 title claims abstract description 26
- 238000001914 filtration Methods 0.000 title claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 47
- 238000004064 recycling Methods 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000000428 dust Substances 0.000 claims abstract description 30
- 238000005367 electrostatic precipitation Methods 0.000 claims abstract description 24
- 238000012856 packing Methods 0.000 claims abstract description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 46
- 239000007921 spray Substances 0.000 claims description 34
- 238000000926 separation method Methods 0.000 claims description 32
- 239000001569 carbon dioxide Substances 0.000 claims description 23
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 2
- MVWDJLOUEUAWIE-UHFFFAOYSA-N O=C=O.O=C=O Chemical compound O=C=O.O=C=O MVWDJLOUEUAWIE-UHFFFAOYSA-N 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 36
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 8
- 229910000604 Ferrochrome Inorganic materials 0.000 abstract description 8
- 239000003546 flue gas Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000003912 environmental pollution Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 5
- 238000003723 Smelting Methods 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 4
- 239000002918 waste heat Substances 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 abstract description 3
- 239000004071 soot Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000004134 energy conservation Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 241001062472 Stokellia anisodon Species 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007716 flux method Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Treating Waste Gases (AREA)
- Electrostatic Separation (AREA)
Abstract
The utility model discloses a kind of cleaners that function is recovered by filtration with carbon particle, including cooling tower, the side of the cooling tower is equipped with air inlet, and the side of cooling tower is provided with the first water tank, the other side is provided with the second water tank, the cooling tower is internally provided with packing layer, and connecting tube is equipped at the top of cooling tower, is equipped with water pump at the top of first water tank.The utility model is scientific and reasonable for structure, it is easy to operate, it can be realized the processing that cools of gas by the cooling tower of setting, not only reduce environmental pollution, the recycling of its waste heat is realized simultaneously, realize environmentally protective smelting, pass through the electrostatic precipitation case of setting, the soot dust granule in gas can be effectively removed, the dedusting work for realizing gas, can be realized the recycling of carbon particle in flue gas by the recycling bins of setting, improves energy utilization rate, reduce environmental pollution coefficient, realizes the green production of high carbon ferro-chrome.
Description
Technical field:
It is specifically a kind of that there is carbon particle function is recovered by filtration the utility model relates to high carbon ferro-chrome production technical field
Cleaner.
Background technique:
Ferrochrome is the most important raw material for producing stainless steel, is mainly used in production stainless steel, ball-bearing steel, tool
Steel, nitrided steel, refractory steel, quenched and tempered steel, carburizing steel and hydrogen resistant steel, this is because chromium plays a decisive role in stainless steel, every kind
A certain number of chromium are contained in the stainless steel capital, and the high high carbon ferro-chrome containing chromium mostly uses flux method to smelt in mineral hot furnace, smelt
Processing usually is dusted to flue gas by dust-extraction unit in the process, to reduce environmental pollution phenomenon.
But high carbon ferro-chrome production currently on the market is with dust-extraction unit that not only structure is complicated, but also has a single function, and removes
Dirt and clean-up effect are poor, and can not achieve the recycling of flue gas heat, result in waste of resources, while existing dust-extraction unit is not
It is able to achieve the recycling of carbon particle, resource utilization is lower, and effects of energy conservation and environmental protection is poor, does not meet Green Development requirement.Cause
This, those skilled in the art provide a kind of cleaner that function is recovered by filtration with carbon particle, to solve above-mentioned background skill
The problem of being proposed in art.
Utility model content:
The purpose of this utility model is to provide a kind of cleaners that function is recovered by filtration with carbon particle, on solving
State proposed in background technique not only structure is complicated, but also have a single function, dedusting and clean-up effect are poor, and can not achieve cigarette
The recycling of gas heat, results in waste of resources, while existing dust-extraction unit can not achieve the recycling of carbon particle, resource benefit
Lower with rate, effects of energy conservation and environmental protection is poor, does not meet the problem of Green Development requires.
To achieve the above object, the utility model provides the following technical solutions: one kind having the function of that carbon particle is recovered by filtration
Cleaner, including cooling tower, the side of the cooling tower is equipped with air inlet, and the side of cooling tower is provided with the first storage
Water tank, the other side are provided with the second water tank, and the cooling tower is internally provided with packing layer, and is equipped at the top of cooling tower
Connecting tube is equipped with water pump at the top of first water tank, and the top of the water pump is equipped with spray tube, the spray tube
Bottom end is equipped with spray head, and one end of the connecting tube connects electrostatic precipitation case, and the side of the electrostatic precipitation case is equipped with back
Case is received, downtake pipe, and the side lower position setting of recycling bins are provided at the side top position of the recycling bins
There is second exhaust pipe, the side of the second exhaust pipe is equipped with blower, and the upper end of second exhaust pipe is provided with chimney.
As a further solution of the present invention: the inside of the electrostatic precipitation case is equipped with dust collection plate, and electrostatic removes
The bottom of dirt case is provided with dust hopper, and the surface of the dust collection plate is provided with corona discharge electrode, and the side of the corona discharge electrode is provided with collection
Dirt pole.
There are three the dust collection plate is arranged altogether as a further solution of the present invention, and three dust collection plates are parallel
It is mounted equidistant, the quantity of the corona discharge electrode setting is no less than three.
The bottom of the recycling bins is provided with mixed gas chamber as a further solution of the present invention, and recycles
It is provided with separation chamber at the top of case, the inside of the separation chamber is equipped with carbon dioxide separation film A, and separation chamber is internally located at
Carbon dioxide separation film B is provided at the top position of carbon dioxide separation film A.
The cooling tower and the first water tank are penetrated through by spray tube as a further solution of the present invention, connects
It connects, and cooling tower and the second water tank are penetrated through by pipeline and connected, the cooling tower and electrostatic precipitation case are penetrated through by connecting tube
Connection.
The electrostatic precipitation case and recycling bins are penetrated through by pipeline as a further solution of the present invention, connects,
The recycling bins and chimney are penetrated through by second exhaust pipe to be connected.
There are three the spray head is arranged altogether as a further solution of the present invention, and three spray heads are equidistant
It is distributed in the bottom of spray tube, the spray radius of the spray head is less than the one third of cooling tower radius.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model can be realized the processing that cools of gas by the cooling tower being arranged, and it is dirty not only to reduce environment
Dye, while realizing the recycling of its waste heat, realizes environmentally protective smelting, and in use process, flue gas enters cooling through air inlet
In tower, the water body inside the first water tank is pumped into spray tube by water pump, spraying cooling work is carried out to gas through spray head
Make, the gas after absorbing heat enters inside the second water tank to be for external application.
2, the utility model can effectively remove the soot dust granule in gas by the electrostatic precipitation case of setting, it is cooling at
Gas after reason enters in electrostatic precipitation case through connecting tube, and the dust in gas separates under corona discharge electrode electric field action with air-flow,
It adsorbs in dust collecting electrode, finally falls into dust hopper, realize the work of dedusting.
3, the utility model can be realized the recycling of carbon particle in flue gas by the recycling bins of setting, improve the energy
Utilization rate, while the coefficient that reduces environmental pollution, realize the green production of high carbon ferro-chrome, in use process, gas after dedusting into
Enter inside recycling bins, richness is filtered to the carbon dioxide in gas using carbon dioxide separation film A and carbon dioxide separation film B
Collection realizes the separation of carbon dioxide and gas, and the carbon dioxide after separation is discharged through downtake pipe to be for external application, and realizes carbon
The recycling of grain, purified mixed gas are discharged from second exhaust pipe through chimney, and the design effects of energy conservation and environmental protection is significant, and one
Determine to increase economic efficiency in degree.
Detailed description of the invention:
Fig. 1 is a kind of structural schematic diagram of cleaner that function is recovered by filtration with carbon particle；
Fig. 2 is a kind of structural schematic diagram that cooling tower in the cleaner of function is recovered by filtration with carbon particle；
Fig. 3 is a kind of structural schematic diagram that electrostatic precipitation case in the cleaner of function is recovered by filtration with carbon particle；
Fig. 4 is a kind of structural schematic diagram that recycling bins in the cleaner of function are recovered by filtration with carbon particle.
In figure: 1, cooling tower；2, air inlet；3, the first water tank；4, the second water tank；5, packing layer；6, connecting tube；7,
Water pump；8, spray tube；9, spray head；10, electrostatic precipitation case；101, dust collection plate；102, corona discharge electrode；103, dust collecting electrode；104, collect
Dirt bucket；11, recycling bins；111, mixed gas chamber；112, separation chamber；113, carbon dioxide separation film A；114, carbon dioxide separation
Film B；12, downtake pipe；13, second exhaust pipe；14, blower；15, chimney.
Specific embodiment:
Please refer to Fig. 1~4, in the utility model embodiment, a kind of cleaner that function being recovered by filtration with carbon particle,
Including cooling tower 1, the side of cooling tower 1 is equipped with air inlet 2, and the side of cooling tower 1 is provided with the first water tank 3, another
Side is provided with the second water tank 4, and cooling tower 1 is internally provided with packing layer 5, and the top of cooling tower 1 is equipped with connecting tube 6,
The top of first water tank 3 is equipped with water pump 7, and the top of water pump 7 is equipped with spray tube 8, and the bottom end of spray tube 8 is equipped with spray
First 9, there are three the total settings of spray head 9, and three spray heads 9 are equally distributed on the bottom of spray tube 8, the sprinkling half of spray head 9
Diameter is less than the one third of 1 radius of cooling tower, cooling tower 1 and the first water tank 3 and is connected by the perforation of spray tube 8, and cooling tower 1
It is penetrated through and is connected by pipeline with the second water tank 4, can be realized the processing that cools of gas by the cooling tower 1 of setting, no
Only reduce environmental pollution, while realizing the recycling of its waste heat, realize environmentally protective smelting, in use process, flue gas pass through into
Port 2 enters in cooling tower 1, and the water body inside first water tank 3 is pumped into spray tube 8 through 9 pairs of gas of spray head by water pump 7
Body carries out spraying cooling work, and the gas after absorbing heat enters inside the second water tank 4 to be for external application.
One end of connecting tube 6 connects electrostatic precipitation case 10, cooling tower 1 and electrostatic precipitation case 10 and is connected by the perforation of connecting tube 6
It connects, the inside of electrostatic precipitation case 10 is equipped with dust collection plate 101, and the bottom of electrostatic precipitation case 10 is provided with dust hopper 104, gathers dust
The surface of plate 101 is provided with corona discharge electrode 102, and the side of corona discharge electrode 102 is provided with dust collecting electrode 103, and dust collection plate 101 is provided with three altogether
It is a, and three 101 parallel equidistant of dust collection plate installations, the quantity that corona discharge electrode 102 is arranged are no less than three, are removed by the electrostatic of setting
Dirt case 10 can effectively remove the soot dust granule in gas, and the gas after cooling treatment enters electrostatic precipitation case 10 through connecting tube 6
In, the dust in gas separates under 102 electric field action of corona discharge electrode with air-flow, adsorbs in dust collecting electrode 103, finally falls into dust hopper
In 104, the work of dedusting is realized.
The side of electrostatic precipitation case 10 is equipped with recycling bins 11, is provided with first row at the side top position of recycling bins 11
Tracheae 12, and the side lower position of recycling bins 11 is provided with second exhaust pipe 13, the side of second exhaust pipe 13 is equipped with
Blower 14, and the upper end of second exhaust pipe 13 is provided with chimney 15, electrostatic precipitation case 10 and recycling bins 11 and is penetrated through by pipeline and connected
It connects, recycling bins 11 and chimney 15 are connected by the perforation of second exhaust pipe 13, and the bottom of recycling bins 11 is provided with mixed gas chamber
111, and the top of recycling bins 11 is provided with separation chamber 112, the inside of separation chamber 112 is equipped with carbon dioxide separation film A113,
And carbon dioxide separation film B114 is provided at the top position for being internally located at carbon dioxide separation film A113 of separation chamber 112,
It can be realized the recycling of carbon particle in flue gas by the recycling bins 11 of setting, improve energy utilization rate, while reducing environment
Contamination factor, realizes the green production of high carbon ferro-chrome, and in use process, the gas after dedusting enters inside recycling bins 11, utilizes
Carbon dioxide separation film A113 and carbon dioxide separation film B114 is filtered enrichment to the carbon dioxide in gas, realizes dioxy
The separation for changing carbon and gas, the carbon dioxide after separation are discharged through downtake pipe 12 to be for external application, and realize the recycling of carbon particle
It utilizes, purified mixed gas is discharged from second exhaust pipe 13 through chimney 15, and the design effects of energy conservation and environmental protection is significant, certain journey
It increases economic efficiency on degree.
The working principle of the utility model is: firstly, flue gas enters in cooling tower 1 through air inlet 2, by water pump 7 by the
Water body inside one water tank 3, which is pumped into spray tube 8, carries out spraying cooling work to gas through spray head 9, after absorbing heat
Gas enters inside the second water tank 4 to be for external application, and can be realized the processing that cools of gas by the cooling tower 1 of setting,
Environmental pollution is not only reduced, while realizing the recycling of its waste heat, realizes environmentally protective smelting, the gas warp after cooling treatment
Connecting tube 6 enters in electrostatic precipitation case 10, and the dust in gas separates under 102 electric field action of corona discharge electrode with air-flow, absorption collection
It on dirt pole 103, finally falls into dust hopper 104, realizes the work of dedusting, further, the gas after dedusting enters recycling bins
Inside 11, richness is filtered to the carbon dioxide in gas using carbon dioxide separation film A113 and carbon dioxide separation film B114
Collection realizes the separation of carbon dioxide and gas, and the carbon dioxide after separation is discharged through downtake pipe 12 to be for external application, and realizes carbon
The recycling of particle, purified mixed gas are discharged from second exhaust pipe 13 through chimney 15, the design effects of energy conservation and environmental protection
Significantly, it increases economic efficiency to a certain extent, realizes the green production of high carbon ferro-chrome.
It is above-described, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is simultaneously
It is not limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, according to this reality
It is subject to equivalent substitution or change with novel technical solution and its utility model design, should all covers the protection in the utility model
Within the scope of.
Claims (7)
1. a kind of cleaner that function is recovered by filtration with carbon particle, including cooling tower (1), which is characterized in that the cooling
The side of tower (1) is equipped with air inlet (2), and the side of cooling tower (1) is provided with the first water tank (3), and the other side is provided with
Second water tank (4), the cooling tower (1) is internally provided with packing layer (5), and is equipped with connection at the top of cooling tower (1)
It manages (6), is equipped with water pump (7) at the top of first water tank (3), the top of the water pump (7) is equipped with spray tube (8),
The bottom end of the spray tube (8) is equipped with spray head (9), and one end of the connecting tube (6) connects electrostatic precipitation case (10), described
The side of electrostatic precipitation case (10) is equipped with recycling bins (11), is provided with first at the side top position of the recycling bins (11)
Exhaust pipe (12), and the side lower position of recycling bins (11) is provided with second exhaust pipe (13), the second exhaust pipe
(13) side is equipped with blower (14), and the upper end of second exhaust pipe (13) is provided with chimney (15).
2. a kind of cleaner that function is recovered by filtration with carbon particle according to claim 1, which is characterized in that described
The inside of electrostatic precipitation case (10) is equipped with dust collection plate (101), and the bottom of electrostatic precipitation case (10) is provided with dust hopper
(104), the surface of the dust collection plate (101) is provided with corona discharge electrode (102), and the side of the corona discharge electrode (102) is provided with dust
Pole (103).
3. a kind of cleaner that function is recovered by filtration with carbon particle according to claim 2, which is characterized in that described
There are three dust collection plate (101) is arranged altogether, and three dust collection plate (101) parallel equidistants installations, the number of corona discharge electrode (102) setting
Amount no less than three.
4. a kind of cleaner that function is recovered by filtration with carbon particle according to claim 1, which is characterized in that described
The bottom of recycling bins (11) is provided with mixed gas chamber (111), and separation chamber (112), institute are provided at the top of recycling bins (11)
The inside for stating separation chamber (112) is equipped with carbon dioxide separation film A (113), and separation chamber (112) are internally located at carbon dioxide
Carbon dioxide separation film B (114) is provided at the top position of seperation film A (113).
5. a kind of cleaner that function is recovered by filtration with carbon particle according to claim 1, which is characterized in that described
Cooling tower (1) and the first water tank (3) are connected by spray tube (8) perforation, and cooling tower (1) passes through with the second water tank (4)
Pipeline perforation connection, the cooling tower (1) and electrostatic precipitation case (10) are connected by connecting tube (6) perforation.
6. a kind of cleaner that function is recovered by filtration with carbon particle according to claim 1, which is characterized in that described
Electrostatic precipitation case (10) and recycling bins (11) are penetrated through by pipeline to be connected, and the recycling bins (11) and chimney (15) pass through second row
Tracheae (13) perforation connection.
7. a kind of cleaner that function is recovered by filtration with carbon particle according to claim 1, which is characterized in that described
There are three spray head (9) is arranged altogether, and three spray heads (9) are equally distributed on the bottom of spray tube (8), the spray head (9)
Spray radius be less than cooling tower (1) radius one third.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822122674.5U CN209279692U (en) | 2018-12-18 | 2018-12-18 | A kind of cleaner that function being recovered by filtration with carbon particle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822122674.5U CN209279692U (en) | 2018-12-18 | 2018-12-18 | A kind of cleaner that function being recovered by filtration with carbon particle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209279692U true CN209279692U (en) | 2019-08-20 |
Family
ID=67611869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822122674.5U Active CN209279692U (en) | 2018-12-18 | 2018-12-18 | A kind of cleaner that function being recovered by filtration with carbon particle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209279692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114405237A (en) * | 2022-03-02 | 2022-04-29 | 深圳市安驰环保科技有限公司 | Combined absorption carbon dioxide capture and compression treatment system and process |
-
2018
- 2018-12-18 CN CN201822122674.5U patent/CN209279692U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114405237A (en) * | 2022-03-02 | 2022-04-29 | 深圳市安驰环保科技有限公司 | Combined absorption carbon dioxide capture and compression treatment system and process |
| CN114405237B (en) * | 2022-03-02 | 2022-12-23 | 深圳市安驰环保科技有限公司 | Combined absorption carbon dioxide capture and compression treatment system and process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A dust removal equipment with carbon particle filtration and recovery function Granted publication date: 20190820 Pledgee: Zheshang Bank Co.,Ltd. Hohhot Branch Pledgor: Fengzhen Huaxing Chemical Co.,Ltd. Registration number: Y2024150000047 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |