CN201701871U - Desulfuration, denitration, decarburization, dedusting and black smoke removing integrated equipment - Google Patents
Desulfuration, denitration, decarburization, dedusting and black smoke removing integrated equipment Download PDFInfo
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- CN201701871U CN201701871U CN2010202232424U CN201020223242U CN201701871U CN 201701871 U CN201701871 U CN 201701871U CN 2010202232424 U CN2010202232424 U CN 2010202232424U CN 201020223242 U CN201020223242 U CN 201020223242U CN 201701871 U CN201701871 U CN 201701871U
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- Prior art keywords
- dedusting
- decarburization
- denitration
- layer
- spherolite
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- 239000000779 smoke Substances 0.000 title claims abstract description 27
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 25
- 238000005261 decarburization Methods 0.000 title claims abstract description 23
- 239000010865 sewage Substances 0.000 claims abstract description 9
- 230000023556 desulfurization Effects 0.000 claims description 22
- 230000010354 integration Effects 0.000 claims description 21
- 238000005507 spraying Methods 0.000 claims description 16
- 230000033001 locomotion Effects 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 10
- 239000011324 bead Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000012798 spherical particle Substances 0.000 abstract 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 11
- 239000003546 flue gas Substances 0.000 description 11
- 239000000428 dust Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- 239000003500 flue dust Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 238000005201 scrubbing Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005367 electrostatic precipitation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Images
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to desulfuration, denitration, decarburization, dedusting and black smoke removing integrated equipment, which comprises a vertical casing. A smoke exhaust opening and a drain outlet are respectively disposed at the upper end and the lower end of the casing, an air inlet pipe is arranged on the side wall of the lower end of the casing, and at least one atomizing layer and a spherical particle filter layer on the lower side of the atomizing layer are disposed on the inner side of the casing. The desulfuration, denitration, decarburization, dedusting and black smoke removing integrated equipment is characterized in that the air inlet pipe is tangentially communicated with the inner side of the lower end of the vertical casing, and a wind direction adjusting mechanism is arranged between the air inlet pipe and the casing. The integrated equipment can control air inlet quantity and air inlet directions through the wind direction adjusting mechanism, can realize adjustment according to different discharged smoke compositions so as to achieve the best sewage removal state, and is high in sewage removal efficiency and fine in effect. Secondary products such as sulfate or sulfite can be generated through an unpowered stirrer, thereby recycling resources. In addition, the integrated equipment is simple in structure, convenient in operation, economized in investment, excellent in effect, strong in practicality, small in occupied area and extremely favorable for popularization and application.
Description
One, technical field:
The utility model relates to a kind of device of removing pernicious gases such as dust in the ash-laden gas and sulfur dioxide, particularly relates to a kind of desulfurization, denitration, decarburization, dedusting, removes the black smoke integration apparatus.
Two, background technology:
As everyone knows, coal-burning boiler is widely used in civilian and industrial trade, particularly coal in China reserves height, as fire coal state too, according to our existing national conditions, cancellation coal in asking when very short adopts clean gas fuel boiler that certain heap that is stranded is arranged.The pernicious gases such as sulfur dioxide that coal burning produces reach to very big pollution to environment.At present, the improvement technology to flue gas, flue dust, dust and sulfur dioxide can be divided three classes: (1) big-and-middle-sized power plant boiler flue gas carry out dry method spraying desulfurization again, or semi-dry desulphurization adds bag collection again after dry dust removals such as electrostatic precipitation or bag-type dust; (2) flue gas carries out wet desulphurization again behind dry dust removal or bag-type dust, and this method is more general; (3) middle-size and small-size power plant boiler and middle-size and small-size Industrial Boiler and industrial coal, combustion gas, fuel oil kiln, electric arc furnaces flue gas are directly administered by dedusting sulphur integration apparatus.Owing to adopt dedusting and desulphurization integrated equipment performance that height is arranged, the smoke components of accepting again to administer has very big difference, general grate firing boiler dust content 2000mg/m
3About, and the dust contained flue gas concentration 15000-6000mg/m of the burning of drifting along
3The content of sulfur in smoke then has height with coal-fired sulfur-bearing height, generally to the flue gas of dust content, as burner flue gas and the low flue gas of sulfur dioxide, behind dedusting and desulphurization integrated equipment, just can reach environmental emission standard.And, after dust-removing and desulfurizing integrated device is administered, do not reach discharge standard for dust content height, flue gas that sulfur dioxide concentration is high.
Along with the appearance of national encourage growth environmental protection industry policy, have higher requirement for the air environmental pollution purification techniques, and the dust-removal and desulfurizing effect of desulfation dust-extraction device is not got better at present.The Chinese patent patent No. is 01215525.X's " a kind of comprehensive Tower for purifying waste gas ", 02229751.0 " final dusting, desulfurization, a denitrogenation concentrated expression tower ", all the stage casing is provided with the spherolite filter course to 200620097718.8 " domestic waste incineration flue gas treating column " in housing, be provided with flusher in spherolite filter course upper end, the reflection of flue gas and water or alkali lye be can guarantee very effectively, flue dust and sulfur dioxide eliminated.Yet the air inlet pipe of above-mentioned patented technology all directly is communicated in lower housing portion, do not sealed by liquid level, flue dust etc. only filters by the spherolite layer and is insufficient like this, and useless flue dust often has high temperature, when directly contacting, can produce high temperature with the spherolite layer, produce in a large number than the hot steam thereby make in the housing, moisture loss is unfavorable for mixing with useless cigarette too soon.
Three, utility model content:
The utility model is to overcome the deficiency that prior art exists, and designs and produces a kind of desulfurization, denitration, decarburization, dedusting, removes the black smoke integration apparatus.
Technical scheme:
A kind of desulfurization, denitration, decarburization, dedusting, remove the black smoke integration apparatus, comprise upright shell, be respectively equipped with exhaust opening and sewage draining exit at the housing upper and lower end, sidewall is provided with air inlet pipe in the housing lower end, be provided with the spherolite filter course of one deck spraying layer and spraying layer downside at least in the housing inboard, described air inlet pipe tangentially is communicated in inboard, described upright shell lower end along approximate, is provided with the wind direction governor motion between described air inlet pipe and housing.
Described wind direction governor motion comprises the tubular wind guide chamber of both ends open, the lower end that is positioned at air inlet one side at wind guide chamber is hinged with a deep bead, on housing upper surface or lower surface, be provided with screwed hole and mate screw rod is installed, wind guide chamber is stretched out in described screw rod upper end, the lower end is by hinged with an end of a transition fork behind shaft coupling, the middle part of described transition fork is provided with horizontal through hole and horizontal fixed axis that is fixed on the wind guide chamber inner chamber of suit in this through hole, the hinged pull bar of the other end of described transition fork, the other end of described pull bar is hinged in the hinged ear that protrudes on the deep bead end face.
Be provided with two-layer spraying layer in described housing simultaneously, the downside correspondence of each spraying layer respectively is provided with one deck spherolite filter course.
On the housing madial wall between upper strata spherolite filter course and the lower floor's spraying layer, also be fixed with the cyclone plate that wind direction rotary-cut is passed through.
Be provided with one deck spherolite demist layer in the housing inner chamber the superiors.
On the sewage draining exit of housing lower end, be communicated with an agitator.
Described agitator is unpowered agitator, and this unpowered agitator comprises the circular cylindrical cavity of a sealing, and water inlet pipe is installed on the circular cylindrical cavity lower end and makes into that the water direction enters cavity along the cylinder tangential direction, and delivery port is positioned at the top of this cylindrical rifle body.
Described each spherolite layer upper and lower all respectively has the two layers of mesh compartment, and the mesh diameter of each clathrum is less than arbitrary spherolite diameter, and the height of two clathrums up and down of same spherolite layer is higher than this layer spherolite layer thickness.
The height of the clathrum up and down of same spherolite layer is 3: 2 with the ratio of this layer spherolite layer thickness.
Described cyclone plate along distinguished and admirable move towards to tilt be fixed in the housing madial wall.
The beneficial effects of the utility model:
1, desulfurization of the present utility model, denitration, decarburization, dedusting, removes the black smoke integration apparatus, can control air inflow and airintake direction by the wind direction governor motion, thereby can regulate the scrubbing state that reaches best, scrubbing efficient height, effective according to different fume emission compositions.
2, desulfurization of the present utility model, denitration, decarburization, dedusting, remove the black smoke integration apparatus, gas is the rotary-cut campaign in upright shell, filter with the spherolite filter course that has flushing liquor, make it fully contact reflection with the akaline liquid of spraying, the gas of handling the back discharging is almost colourless, do not contain hazardous substance, and being better than the discharge standard of GB, treatment process is simply efficient.Can also set up cyclone plate so that further strengthen air-flow rotary-cut power at the upright shell madial wall simultaneously.
3, desulfurization of the present utility model, denitration, decarburization, dedusting, remove the black smoke integration apparatus, can produce byproduct sulfate or sulphite, make resource recycling by unpowered agitator.
4, desulfurization of the present utility model, denitration, decarburization, dedusting, remove the black smoke integration apparatus, simple in structure, easy to operate, reduced investment, effect is good, and is practical, and floor space is little, is beneficial to very much promotion and implementation.
Four, description of drawings:
Fig. 1 is desulfurization of the present utility model, denitration, decarburization, dedusting, removes black smoke integration apparatus cross-sectional view;
Fig. 2 is the direction adjusting apparatus structural representation;
Fig. 3 is unpowered agitator structure schematic diagram.
Number among the figure: 1 is upright shell, and 2 is air inlet, and 3 is discharge pipe, 4a, 4b are respectively feed tube 5a, 5b and are respectively the shower nozzle of spraying layer up and down, and 6a, 6b, 6c are respectively the spherolite layer, 7 clathrums, 8 is cyclone plate, 9 wind direction governor motions, 10 air inlets, 11 is control valve, 12 is the sewage drainage pipe, 13 is seal chamber, and 14 is delivery port, and 90 is shaft coupling, 91 is wind guide chamber, 92 is wind direction board, and 93 is screw rod, and 94 are the transition fork, 95 is pull bar, 96,97 is fixed axis, and 98 is thread matching structure, and 99 is handwheel.
Five, the specific embodiment:
Embodiment one: referring to Fig. 1, Fig. 2, Fig. 3, a kind of desulfurization, denitration, decarburization, dedusting, remove the black smoke integration apparatus, comprise upright shell 1, be provided with exhaust opening 3 in housing 1 upper end, the lower end is provided with sewage draining exit 12, sidewall is provided with air inlet pipe 2 in the housing lower end, is provided with two- layer spraying layer 5a, 5b in the housing inboard, at spherolite filter course 6a, the 6b of every layer of spraying layer downside, described air inlet pipe 2 tangentially is communicated in the described upright shell, is provided with the wind direction governor motion between described air inlet pipe and housing.
The form of wind direction governor motion is a kind of case structure at present embodiment, as shown in the reference numeral 9.Described wind direction governor motion 9 comprises the tubular wind guide chamber 91 of both ends open, the lower end that is positioned at air inlet one side at wind guide chamber 91 is hinged with a deep bead 92 by bearing pin 97, on the housing upper surface, be provided with screwed hole and mate screw rod 93 is installed, wind guide chamber is stretched out in described screw rod 93 upper ends, the lower end is after 90s hinged with an end transition fork 94 by a shaft coupling, the fixed axis 96 that the middle part of described transition fork 94 is provided with horizontal through hole and horizontal one of suit is fixed on the wind guide chamber inner chamber in this through hole, the hinged pull bar 95 of the other end of described transition fork 94, the other end of described pull bar is hinged in the hinged ear that protrudes on deep bead 92 end faces.
On the housing madial wall between upper strata spherolite filter course and the lower floor's spraying layer, also be fixed with the cyclone plate 8 that wind direction rotary-cut is passed through.Described cyclone plate along distinguished and admirable move towards to tilt be fixed in the housing madial wall.
Be provided with one deck spherolite demist layer 6c in the housing inner chamber the superiors.
On the sewage draining exit of housing lower end, be communicated with an agitator 13.
Described agitator is unpowered agitator, this unpowered agitator comprises the circular cylindrical cavity 13 of a sealing, water inlet pipe 12 is installed on the circular cylindrical cavity lower end and makes into that the water direction enters cavity along the cylinder tangential direction, and delivery port 14 is positioned at the top of this cylindrical rifle body.
Described each spherolite layer upper and lower all respectively has two layers of mesh compartment 7, and the mesh diameter of each clathrum is less than arbitrary spherolite diameter, and the height of two clathrums up and down of same spherolite layer is higher than this layer spherolite layer thickness.
The height of the clathrum up and down of same spherolite layer is 3: 2 with the ratio of this layer spherolite layer thickness.
Embodiment two: accompanying drawing is not drawn, and content and embodiment one are basic identical, and something in common does not repeat, and different is: do not have cyclone plate in the housing inboard.
Embodiment three: accompanying drawing is not drawn, content and embodiment one are basic identical, something in common does not repeat, different is: the wind direction governor motion is an internally-arranged type, promptly blast pipe is communicated with the inboard air inlet of housing at place with housing near, be fixed with a wind deflector, need airflow direction and the suitable fixed angle that tilts when this deep bead is installed.Perhaps make wind direction direction as required enter housing by certain angle that blast pipe is tilted.
Claims (10)
1. a desulfurization, denitration, decarburization, dedusting, remove the black smoke integration apparatus, comprise upright shell, be respectively equipped with exhaust opening and sewage draining exit at the housing upper and lower end, sidewall is provided with air inlet pipe in the housing lower end, be provided with the spherolite filter course of one deck spraying layer and spraying layer downside at least in the housing inboard, it is characterized in that: described air inlet pipe tangentially is communicated in inboard, described upright shell lower end along approximate, is provided with the wind direction governor motion between described air inlet pipe and housing.
2. desulfurization according to claim 1, denitration, decarburization, dedusting, remove the black smoke integration apparatus, it is characterized in that: described wind direction governor motion comprises the tubular wind guide chamber of both ends open, the lower end that is positioned at air inlet one side at wind guide chamber is hinged with a deep bead, on housing upper surface or lower surface, be provided with screwed hole and mate screw rod is installed, wind guide chamber is stretched out in described screw rod upper end, the lower end is by hinged with an end of a transition fork behind shaft coupling, the middle part of described transition fork is provided with horizontal through hole and horizontal fixed axis that is fixed on the wind guide chamber inner chamber of suit in this through hole, the hinged pull bar of the other end of described transition fork, the other end of described pull bar is hinged in the hinged ear that protrudes on the deep bead end face.
3. desulfurization according to claim 1, denitration, decarburization, dedusting, remove the black smoke integration apparatus, it is characterized in that: be provided with two-layer spraying layer in described housing simultaneously, the downside correspondence of each spraying layer respectively is provided with one deck spherolite filter course.
4. desulfurization according to claim 3, denitration, decarburization, dedusting, remove the black smoke integration apparatus, it is characterized in that: on the housing madial wall between upper strata spherolite filter course and the lower floor's spraying layer, also be fixed with the cyclone plate that wind direction rotary-cut is passed through.
5. desulfurization according to claim 1, denitration, decarburization, dedusting, remove the black smoke integration apparatus, it is characterized in that: be provided with one deck spherolite demist layer in the housing inner chamber the superiors.
6. desulfurization according to claim 1, denitration, decarburization, dedusting, remove the black smoke integration apparatus, it is characterized in that: on the sewage draining exit of housing lower end, be communicated with an agitator.
7. desulfurization according to claim 6, denitration, decarburization, dedusting, remove the black smoke integration apparatus, it is characterized in that: described agitator is unpowered agitator, this unpowered agitator comprises the circular cylindrical cavity of a sealing, water inlet pipe is installed on the circular cylindrical cavity lower end and makes into that the water direction enters cavity along the cylinder tangential direction, and delivery port is positioned at the top of this cylindrical rifle body.
According to each described desulfurization of claim 1-7, denitration, decarburization, dedusting, remove the black smoke integration apparatus, it is characterized in that: described each spherolite layer upper and lower all respectively has the two layers of mesh compartment, the mesh diameter of each clathrum is less than arbitrary spherolite diameter, and the height of two clathrums up and down of same spherolite layer is higher than this layer spherolite layer thickness.
9. desulfurization according to claim 8, denitration, decarburization, dedusting, remove the black smoke integration apparatus, it is characterized in that: the height of the clathrum up and down of same spherolite layer is 3: 2 with the ratio of this layer spherolite layer thickness.
10. desulfurization according to claim 8, denitration, decarburization, dedusting, remove the black smoke integration apparatus, it is characterized in that: described cyclone plate moves towards to tilt to be fixed in the housing madial wall along distinguished and admirable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202232424U CN201701871U (en) | 2010-06-11 | 2010-06-11 | Desulfuration, denitration, decarburization, dedusting and black smoke removing integrated equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202232424U CN201701871U (en) | 2010-06-11 | 2010-06-11 | Desulfuration, denitration, decarburization, dedusting and black smoke removing integrated equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201701871U true CN201701871U (en) | 2011-01-12 |
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| CN2010202232424U Expired - Fee Related CN201701871U (en) | 2010-06-11 | 2010-06-11 | Desulfuration, denitration, decarburization, dedusting and black smoke removing integrated equipment |
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| CN (1) | CN201701871U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102441307A (en) * | 2011-11-09 | 2012-05-09 | 铜陵康达铝合金制品有限责任公司 | Smelting furnace exhaust gas filtering system |
| CN102806005A (en) * | 2012-08-25 | 2012-12-05 | 河北华强科技开发有限公司 | Method for dedusting, desulfuration and denitration of flue gas and integrated absorption tower equipment for dedusting, desulfuration and denitration |
| CN107138005A (en) * | 2016-12-19 | 2017-09-08 | 佛山市瑞淇环保设备有限公司 | A kind of desulphurization denitration deduster |
| CN109876551A (en) * | 2019-04-16 | 2019-06-14 | 湖南高华环保股份有限公司 | GH type Eddy Distribution formula turbulent flow high-effective dust-removing demister |
| CN110496517A (en) * | 2018-05-17 | 2019-11-26 | 崔宸瑞 | The collaboration of carbon sulphur nitre joins de- technique in a kind of industrial smoke |
| CN111992003A (en) * | 2020-08-21 | 2020-11-27 | 周真华 | Desulfurization equipment for chemical production of fountain multi-range activity |
| CN118904059A (en) * | 2024-10-10 | 2024-11-08 | 临汾市环境监控中心 | Environment-friendly dust-removing desulfurization and denitrification device |
-
2010
- 2010-06-11 CN CN2010202232424U patent/CN201701871U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102441307A (en) * | 2011-11-09 | 2012-05-09 | 铜陵康达铝合金制品有限责任公司 | Smelting furnace exhaust gas filtering system |
| CN102806005A (en) * | 2012-08-25 | 2012-12-05 | 河北华强科技开发有限公司 | Method for dedusting, desulfuration and denitration of flue gas and integrated absorption tower equipment for dedusting, desulfuration and denitration |
| CN102806005B (en) * | 2012-08-25 | 2014-12-17 | 河北华强科技开发有限公司 | Method for dedusting, desulfuration and denitration of flue gas and integrated absorption tower equipment for dedusting, desulfuration and denitration |
| CN107138005A (en) * | 2016-12-19 | 2017-09-08 | 佛山市瑞淇环保设备有限公司 | A kind of desulphurization denitration deduster |
| CN110496517A (en) * | 2018-05-17 | 2019-11-26 | 崔宸瑞 | The collaboration of carbon sulphur nitre joins de- technique in a kind of industrial smoke |
| CN109876551A (en) * | 2019-04-16 | 2019-06-14 | 湖南高华环保股份有限公司 | GH type Eddy Distribution formula turbulent flow high-effective dust-removing demister |
| CN111992003A (en) * | 2020-08-21 | 2020-11-27 | 周真华 | Desulfurization equipment for chemical production of fountain multi-range activity |
| CN118904059A (en) * | 2024-10-10 | 2024-11-08 | 临汾市环境监控中心 | Environment-friendly dust-removing desulfurization and denitrification device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Gongyi Lianghui Environmental Protection Machinery Equipment Factory Assignor: Li Xueliang Contract record no.: 2015410000006 Denomination of utility model: Desulfuration, denitration, decarburization, dedusting and black smoke removing integrated equipment Granted publication date: 20110112 License type: Exclusive License Record date: 20150226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20160611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |