CN207493479U - NO_x Reduction by Effective flue gas cleaner - Google Patents
NO_x Reduction by Effective flue gas cleaner Download PDFInfo
- Publication number
- CN207493479U CN207493479U CN201721574380.5U CN201721574380U CN207493479U CN 207493479 U CN207493479 U CN 207493479U CN 201721574380 U CN201721574380 U CN 201721574380U CN 207493479 U CN207493479 U CN 207493479U
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- China
- Prior art keywords
- reaction
- flue gas
- ring
- pan
- type injector
- 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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- 239000003546 flue gas Substances 0.000 title claims abstract description 34
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 230000009467 reduction Effects 0.000 title claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 79
- 239000012295 chemical reaction liquid Substances 0.000 claims abstract description 28
- 238000011049 filling Methods 0.000 claims abstract description 20
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 239000000779 smoke Substances 0.000 claims abstract description 16
- 239000007921 spray Substances 0.000 claims abstract description 14
- 239000000243 solution Substances 0.000 claims description 33
- 239000007788 liquid Substances 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 9
- 239000010865 sewage Substances 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 5
- 238000000889 atomisation Methods 0.000 claims description 3
- 238000006555 catalytic reaction Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 8
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 231100000567 intoxicating Toxicity 0.000 abstract description 2
- 230000002673 intoxicating effect Effects 0.000 abstract description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000007792 addition Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model is related to NO_x Reduction by Effective flue gas cleaners, including reaction tower, cross pan, ring-type injector and reaction liquid circulating device, it is equipped with outlet flue successively from top to bottom end outside the reaction tower, filling opening, access hole, smoke inlet and leakage fluid dram, it is equipped with ring-type injector successively from top to bottom end inside the reaction tower and crosses pan, the ring-type injector is connected with the filling opening, the pan of crossing is that cone-shaped and open side is corresponding with below the ring-type injector, access hole outside the reaction tower is located at described cross in pan and ring-type injector horizontal direction, smoke inlet outside the reaction tower is located at access hole lower section etc..The utility model filters link by increase and filters the impurity in flue gas in advance, and it improves spray mode and can ensure being sufficiently mixed for reaction solution and flue gas, increase automation control and real time monitoring function that reaction liquid circulating device realizes entire out of stock system simultaneously, effectively prevent reaction solution intoxicating phenomenon and improve denitration effect.
Description
Technical field
The utility model is related to gas handling techniques field more particularly to industrial smoke processing technology field, in particular to
NO_x Reduction by Effective flue gas cleaner.
Background technology
With China's atmosphere pollution getting worse, haze weather is on the increase, and has caused all sectors of society extensive concern.
National environmental protection law enforcement dynamics is constantly strengthened, under the social background that flue gas emission new standard is continuously improved, particularly to NO in flue gasx
The raising of discharge standard, existing denitration device and technique have been unable to meet environmental emission standard requirement.Mode traditional at present
It is the nitrogen oxides NO removed catalyst by spray mode in flue gasx, but traditional nozzle is limited by self structure, it is impossible to
Cause to react halfway problem with smoke reaction again after catalyst is fully atomized.
Utility model content
In order to solve the above-mentioned technical problem the utility model provides NO_x Reduction by Effective flue gas cleaner, by increasing filter progress
And improving nozzle spray mode makes catalyst more abundant with smoke reaction.
The utility model is achieved by the following technical solution：NO_x Reduction by Effective flue gas cleaner, including reaction tower, filtering
Bucket, ring-type injector and reaction liquid circulating device, be equipped with successively from top to bottom end outside the reaction tower outlet flue, filling opening,
Access hole, smoke inlet and leakage fluid dram are equipped with ring-type injector from top to bottom end inside the reaction tower and cross pan successively, described
Ring-type injector is connected with the filling opening, and the pan of crossing is cone-shaped and open side and corresponding, institute below the ring-type injector
It states the access hole outside reaction tower to cross in pan and ring-type injector horizontal direction positioned at described, the smoke inlet outside the reaction tower
Below the access hole, the reaction liquid circulating device connects the filling opening and the drain by circulation line respectively
Mouthful, flue gas enters reaction tower from smoke inlet, will be collected to after reaction solution injection ring-type injector spray by reacting liquid circulating device
Pan is crossed described in lower section, after flue gas first passed through filter cone for filtration, then the reaction solution sprayed with ring-type injector atomization is combined completion
Catalysis reaction.
After adopting the above technical scheme, filtering the impurity in flue gas in advance by increasing pan, and improve spray side
Formula makes catalyst more abundant with smoke reaction.
Preferably, the reaction liquid circulating device includes reaction liquid storage tank and the metering pump that sets respectively of upper part and stirs
It mixes machine, the filling opening is connected by reaction solution liquid-feeding tube outside the metering pump, is respectively equipped on the reaction solution liquid-feeding tube
Air pump and pressure gauge, the leakage fluid dram is equipped with leakage fluid dram filter screen and passes through reaction solution recovery tube to be connected with the liquid storage tank that reacts
It is logical.
After above-mentioned preferred embodiment, injecting high pressure gas toward reaction solution by air pump contributes to ring-type injector to reaction solution
Atomizing, while increase leakage fluid dram filter screen convenient for the impurity in filtering back flow reaction liquid in leakage fluid dram, be convenient for changing dimension
Protect and be conducive to the recycling of reaction solution.
As an improvement, the pan of crossing is removably connected to the reaction tower, and cone-shaped and opening is fitted closely in institute
Reaction inner wall of tower is stated, the pan excessively is equipped with air hole and filter screen, and the filter screen is removably connected to the pan excessively simultaneously
It fits in below the air hole.
It can be convenient for carrying out maintenance repair and maintenance to crossing pan using this improvement project, while also be able to will be anti-for filter screen
Liquid is answered to remain in pan in short-term, helps to clean the impurity of filter screen filtration.
It is further improved, the ring-type injector includes loop pipe and the supervisor that multiple diameters are sequentially increased, the supervisor point
Each loop pipe is not connected and is evenly equipped with several spray apertures set downward, institute on same plane, each cyclic annular tube wall
Supervisor is stated to connect with the filling opening.
The ring-type injector quantity is at least one.
After above-mentioned improvement project, the atomizing effect of ring-type injector and the sprinkle density of nozzle can be significantly improved.
Preferably, exhaust fan is equipped in the outlet flue.It can be improved using above-mentioned preferred embodiment and send cigarette effect.
Preferably, the outlet flue is additionally provided with gas detecting instrument.Flue gas can be monitored using above-mentioned preferred embodiment in real time
Whether middle discharged nitrous oxides qualified, at the same also be able to monitoring and feedback response liquid whether fail and in time with change addition, with protect
Card safety in production.
Preferably, the metering pump is connected with reaction liquid filter by pipeline, the reaction liquid filter is located at institute
Bottom in reaction liquid storage tank is stated, the reaction liquid storage tank is additionally provided with storage tank intake valve and storage tank sewage draining exit.
Using above-mentioned preferred embodiment can filtering reacting liquid impurity and ensure reaction solution cartridge gas pressure stablize, storage tank sewage draining exit
Reaction solution can be vented, the filling to reaction solution can be completed after storage tank intake valve external pipeline of dismantling.
Preferably, it is additionally provided with control cabinet outside the reaction tower.
Preferably, the control cabinet is electrically connected the gentle physical examination of exhaust fan, air pump, pressure gauge, metering pump, blender
Survey instrument.
The automation control and reality of whole system can be realized by the controller in control cabinet using above-mentioned preferred embodiment
When monitor, reduce labour cost and easy to operate.
The utility model has the beneficial effect that：Link is filtered by increase to filter the impurity in flue gas in advance, and improve spray
Leaching mode can ensure being sufficiently mixed for reaction solution and flue gas, while increase reaction liquid circulating device and realize entire out of stock system
Automation control and real time monitoring function effectively prevent reaction solution intoxicating phenomenon and improve denitration effect.
Description of the drawings
The utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the front view of the utility model；
Fig. 2 is vertical view shown in FIG. 1；
Fig. 3 is left view shown in FIG. 1；
Fig. 4 is the sectional view of the line A-A along Fig. 3
Shown in figure：
1st, smoke inlet, 2, reaction tower, 2.1, access hole, 2.2, filling opening, 2.3, leakage fluid dram, 2.3.1, leakage fluid dram filtering
Net, 3, cross pan, 3.1, filter screen, 4, exhaust fan, 5, outlet flue, 6, air pump, 7, pressure gauge, 8, ring-type injector, 8.1, cyclic annular
Pipe, 8.1.1, spray apertures, 8.2, supervisor, 9, reaction solution liquid-feeding tube, 10, reaction solution recovery tube, 11, metering pump, 12, blender,
13rd, react liquid storage tank, 13.1, storage tank intake valve, 13.2, storage tank sewage draining exit 14, reaction liquid filter, 15, gas detecting instrument,
16th, control cabinet.
Specific embodiment
In order to clarify the technical characteristics of the invention, this programme is explained with specific embodiment below in conjunction with the accompanying drawings
It states.
With reference to attached drawing 1-4, NO_x Reduction by Effective flue gas cleaner specific embodiment：Including reaction tower 2, cross pan 3, cyclic annular spray
First 8 are fixed on ground with reaction liquid circulating device, the reaction tower 2 by the way that bearing is vertically-mounted, and the reaction tower 2 is preferably not
Rust steel material is made, and is preferably dimensioned to be diameter 800mm, is highly 4000mm, and outside is equipped with smoke successively from top to bottom end
Mouthfuls 5, filling opening 2.2, access hole 2.1, smoke inlet 1 and leakage fluid dram 2.3 are set from top to bottom end successively inside the reaction tower 2
There is ring-type injector 8 and cross pan 3, the ring-type injector 8 is connected with the filling opening 2.2, and the pan 3 of crossing is cone-shaped and opens
Mouth side is corresponding with 8 lower section of ring-type injector, and the access hole 2.1 outside the reaction tower 2 is located at pan 3 and the ring-type crossed and sprays
In first 8 horizontal direction, the smoke inlet 1 outside the reaction tower 2 is located at 2.1 lower section of access hole, the reaction solution cycle dress
It puts and connects the filling opening 2.2 and the leakage fluid dram 2.3 respectively by circulation line, flue gas enters reaction tower 2 from smoke inlet 1,
Reaction solution is injected into after ring-type injector 8 sprays the pan 3 excessively being collected to described in lower section by reacting liquid circulating device, flue gas first passes through
After crossing the filtering of pan 3, then the reaction solution sprayed with the atomization of ring-type injector 8 is combined, and the reaction solution preferably uses ammonia NH3 conducts
Reactant, by NOx reduction decompositions into harmless nitrogen and water under the action of reactant.
The metering pump 11 and blender that the reaction liquid circulating device includes reaction liquid storage tank 13 and upper part is set respectively
12, the reaction 13 preferable volume V=500L of liquid storage tank are connected by reaction solution liquid-feeding tube 9 outside the metering pump 11 described
Filling opening 2.2, the metering pump 11 are preferably Q=80L, 0.5Mpa, and 12 blade of blender is preferably cloverleaf, power
0.55kw, air pump 6 and pressure gauge 7 are respectively equipped on the reaction solution liquid-feeding tube 9, and the leakage fluid dram 2.3 is equipped with valve and drain
It makes a slip of the tongue and strainer 2.3.1 and passes through reaction solution recovery tube 10 and connected with the liquid storage tank 13 that reacts, the reaction solution recovery tube 10 is excellent
Selection matter is PVC, bore DN50.
The pan 3 of crossing is removably connected to the reaction tower 2, and cone-shaped and opening is fitted closely in the reaction tower
2 inner walls, the pan 3 excessively are equipped with air hole and filter screen 3.1, and the filter screen 3.1 is removably connected to the pan 3 excessively simultaneously
It fitting in below the air hole, the 3.1 preferred gas-liquid filter net of filter screen can form silk screen block by silk screen, silk screen grid,
And pass through fastener and be fixed on pan 3 in order to maintenance repair and maintenance, while filter screen 3.1 also is able to reaction solution in short-term
It remained in pan 3, and on the one hand can make flue gas that catalysis occur with the reaction solution crossed in pan 3 and react, on the other hand filter
The impurity that net 3.1 filters also is able to be collected to the leakage fluid dram 2.3 of 2 bottom of reaction tower by reaction solution after being rinsed.
As shown in figure 4, the ring-type injector 8 includes loop pipe 8.1 and the supervisor 8.2 that multiple diameters are sequentially increased, it is described
Supervisor 8.2 is respectively communicated with each loop pipe 8.1 and is evenly equipped on same plane, each 8.1 tube wall of loop pipe and set downward
Several spray apertures 8.1.1, the supervisor 8.2 connects with the filling opening 2.2.
8 quantity of ring-type injector is three, passes sequentially through 8.2 connection of supervisor.
Exhaust fan 4 is equipped in the outlet flue 5.
The outlet flue 5 is additionally provided with gas detecting instrument 15, and nitrogen oxygen in flue gas can be monitored in real time by gas detecting instrument 15
Whether compound discharge is qualified, while also is able to monitoring and whether feedback response liquid fails and in time with changing addition, to ensure safety
Production.
The metering pump 11 is connected with reaction liquid filter 14 by pipeline, and the reaction liquid filter 14 is located at described anti-
Bottom in liquid storage tank 13 is answered, the reaction liquid storage tank 13 is additionally provided with storage tank intake valve 13.1 and storage tank sewage draining exit 13.2.The mistake
Filter 14 filtering reacting liquid impurity and can ensure to react 13 stable gas pressure of liquid storage tank, and storage tank sewage draining exit 13.2 can be vented reaction
The filling to reaction solution can be completed after 13.1 external pipeline of storage tank intake valve of dismantling for liquid.
Control cabinet 16 is additionally provided with outside the reaction tower 2, the control cabinet 16 is electrically connected exhaust fan 4, air pump 6, pressure
Power table 7, metering pump 11, blender 12 and gas detecting instrument 15.Whole system can be realized by the controller in control cabinet 16
Automation control and in real time monitoring, the controller can by or using the prior art realize, details are not described herein.
The course of work of the present embodiment：Air pump 6, pressure gauge 7, metering pump 11, blender 12 are first opened by control cabinet 16
With gas detecting instrument 15, the circulated sprinkling of reaction liquefied ammonia NH3 is completed；It then opens exhaust fan 4 and promotes the cigarette containing nitrogen oxides
Gas enters reaction tower 2, brings it about denitration NO2Reaction, generates nitrogen and water, whole process pass through gas detecting instrument 15 and pressure
Table 7 monitors in real time, while monitoring data are fed back to parameter preset in controller, judges whether discharge is up to standard, to ensure safety
Production.
Certainly, above description is also not limited to the example above, and technical characteristic of the utility model without description can lead to
It crosses or realizes that details are not described herein using the prior art；Above example and attached drawing are merely to illustrate the technology of the utility model
It is limitation to the utility model that scheme, which is not, and Tathagata substitutes, the utility model only in conjunction with and with reference to preferred embodiment into
Go detailed description, it will be understood by those of ordinary skill in the art that, those skilled in the art are new in this practicality
The variations, modifications, additions or substitutions made in the essential scope of type should also belong to this without departure from the objective of the utility model
The claims of utility model.
Claims (10)
1. NO_x Reduction by Effective flue gas cleaner, it is characterised in that：Including reaction tower (2), cross pan (3), ring-type injector (8) and reaction
Liquid circulating device, the reaction tower (2) is external to be equipped with outlet flue (5), filling opening (2.2), access hole successively from top to bottom end
(2.1), smoke inlet (1) and leakage fluid dram (2.3), the reaction tower (2) is internal to be equipped with ring-type injector (8) successively from top to bottom end
It is connected with pan (3), the ring-type injector (8) excessively with the filling opening (2.2), the pan (3) of crossing is cone-shaped and opening
It is corresponding below side and the ring-type injector (8), the external access hole (2.1) of the reaction tower (2) positioned at the mistake pan (3) and
In ring-type injector (8) horizontal direction, the external smoke inlet (1) of the reaction tower (2) is below the access hole (2.1), institute
State reaction liquid circulating device and connect the filling opening (2.2) and the leakage fluid dram (2.3) respectively by circulation line, flue gas from into
Mouth (1) will be collected to down into reaction tower (2) by reacting liquid circulating device after reaction solution injection ring-type injector (8) spray
Fang Suoshu's crosses pan (3), after flue gas first passed through pan (3) filtering, then the reaction solution knot sprayed with ring-type injector (8) atomization
It closes and completes catalysis reaction.
2. NO_x Reduction by Effective flue gas cleaner according to claim 1, it is characterised in that：The reaction liquid circulating device includes
The metering pump (11) and blender (12), the metering pump (11) that reaction liquid storage tank (13) and upper part are set respectively pass through reaction
Liquid liquid-feeding tube (9) connects the filling opening (2.2), and air pump (6) and pressure gauge are respectively equipped on the reaction solution liquid-feeding tube (9)
(7), the leakage fluid dram (2.3) equipped with leakage fluid dram filter screen (2.3.1) and passes through reaction solution recovery tube (10) and the reaction solution
Storage tank (13) connects.
3. NO_x Reduction by Effective flue gas cleaner according to claim 1, it is characterised in that：The pan (3) of crossing detachably connects
The reaction tower (2) is connected to, and cone-shaped and opening is fitted closely in the reaction tower (2) inner wall, the pan (3) of crossing is equipped with
Air hole and filter screen (3.1), the filter screen (3.1) are removably connected to the pan (3) excessively and fit in described ventilative
Below hole.
4. NO_x Reduction by Effective flue gas cleaner according to claim 1, it is characterised in that：The ring-type injector (8) is including more
The loop pipe (8.1) and supervisor (8.2) that a diameter is sequentially increased, the supervisor (8.2) are respectively communicated with each loop pipe (8.1) and locate
In being evenly equipped with several spray apertures (8.1.1) set downward, the supervisor on same plane, each loop pipe (8.1) tube wall
(8.2) it is connected with the filling opening (2.2).
5. the NO_x Reduction by Effective flue gas cleaner according to claim 1 or 4, it is characterised in that：Ring-type injector (8) quantity
At least one.
6. NO_x Reduction by Effective flue gas cleaner according to claim 1, it is characterised in that：It is equipped with and takes out in the outlet flue (5)
Wind turbine (4).
7. the NO_x Reduction by Effective flue gas cleaner according to claim 1 or 6, it is characterised in that：The outlet flue (5) is additionally provided with
Gas detecting instrument (15).
8. NO_x Reduction by Effective flue gas cleaner according to claim 2, it is characterised in that：The metering pump (11) passes through pipeline
Reaction liquid filter (14) is connected with, the reaction liquid filter (14) is described positioned at described reaction liquid storage tank (13) interior bottom
Reaction liquid storage tank (13) is additionally provided with storage tank intake valve (13.1) and storage tank sewage draining exit (13.2).
9. NO_x Reduction by Effective flue gas cleaner according to claim 1, it is characterised in that：It is also set outside the reaction tower (2)
There is control cabinet (16).
10. NO_x Reduction by Effective flue gas cleaner according to claim 9, it is characterised in that：The control cabinet (16) is electric respectively
Connect exhaust fan (4), air pump (6), pressure gauge (7), metering pump (11), blender (12) and gas detecting instrument (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574380.5U CN207493479U (en) | 2017-11-22 | 2017-11-22 | NO_x Reduction by Effective flue gas cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721574380.5U CN207493479U (en) | 2017-11-22 | 2017-11-22 | NO_x Reduction by Effective flue gas cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207493479U true CN207493479U (en) | 2018-06-15 |
Family
ID=62505753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721574380.5U Active CN207493479U (en) | 2017-11-22 | 2017-11-22 | NO_x Reduction by Effective flue gas cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207493479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889118A (en) * | 2018-09-21 | 2018-11-27 | 南京兰丰环保科技有限公司 | A kind of SCR equipment for denitrifying flue gas |
-
2017
- 2017-11-22 CN CN201721574380.5U patent/CN207493479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108889118A (en) * | 2018-09-21 | 2018-11-27 | 南京兰丰环保科技有限公司 | A kind of SCR equipment for denitrifying flue gas |
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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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High efficiency denitration flue gas purifier Effective date of registration: 20211215 Granted publication date: 20180615 Pledgee: Taian Bank Co.,Ltd. Daizong sub branch Pledgor: SHANDONG MOUNT TAI PLANETARY ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: Y2021980014933 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231206 Granted publication date: 20180615 Pledgee: Taian Bank Co.,Ltd. Daizong sub branch Pledgor: SHANDONG MOUNT TAI PLANETARY ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: Y2021980014933 |