CN209378784U - A kind of flue gas desulfurization device carrying out gypsum eddy flow using circulating pump - Google Patents
A kind of flue gas desulfurization device carrying out gypsum eddy flow using circulating pump Download PDFInfo
- Publication number
- CN209378784U CN209378784U CN201822094608.1U CN201822094608U CN209378784U CN 209378784 U CN209378784 U CN 209378784U CN 201822094608 U CN201822094608 U CN 201822094608U CN 209378784 U CN209378784 U CN 209378784U
- Authority
- CN
- China
- Prior art keywords
- circulating pump
- tower
- flue gas
- eddy flow
- gas desulfurization
- 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- Withdrawn - After Issue
Links
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 68
- 239000010440 gypsum Substances 0.000 title claims abstract description 68
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 39
- 230000023556 desulfurization Effects 0.000 title claims abstract description 39
- 239000003546 flue gas Substances 0.000 title claims abstract description 39
- 238000010521 absorption reaction Methods 0.000 claims abstract description 17
- 239000002002 slurry Substances 0.000 claims description 14
- 238000005086 pumping Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
- 241000405070 Percophidae Species 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 239000006260 foam Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 210000002966 serum Anatomy 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Abstract
The utility model discloses a kind of flue gas desulfurization devices that gypsum eddy flow is carried out using circulating pump, are suitable for flue gas desulfurization device technical field comprising absorption tower, gypsum cyclone, AFT tower, circulating pump；The gypsum cyclone includes entrance, first outlet, second outlet, and the circulating pump is connect with the entrance of the gypsum cyclone, and the first outlet is connected to the AFT tower, and the second outlet is connected to the absorption tower；Valve is equipped between the circulating pump and the entrance；The circulating pump is also connected to the absorption tower；The flue gas desulfurization device that gypsum eddy flow is carried out using circulating pump further includes defoaming device, and the defoaming device includes drainage unit, vibration defoaming unit, cutting defoaming unit.Compared with the relevant technologies, the application makes full use of circulating pump, realizes that equipment is simplified；The phenomenon that adding defoaming device, realize the defoaming operation to AFT tower, capable of effectively avoiding the blistering overflow of AFT tower, lead to the pollution of peripheral equipment generation.
Description
Technical field
The utility model belongs to flue gas desulfurization device technical field, and in particular to a kind of to carry out gypsum eddy flow using circulating pump
Flue gas desulfurization device.
Background technique
Thermal power generation unit desulfurization is fired in 2% or more sulphur coal of coal sulfur-bearing, or in 99% or more high desulfurization efficiency, can be with
Using single column Two-way Cycle Wet Flue Gas Desulfurization Technique, flue gas achievees the purpose that efficient stable desulfurization by the circulation of two-stage different function.
In the related technology, two individual gypsum stock tanks, respectively absorption tower stock tank and AFT tower slurry are arranged in the wet desulphurization of single column Two-way Cycle
Pond, to control AFT stock tank density, the gypsum cyclone system provided with AFT, gypsum cyclone system includes gypsum Turo pump and gypsum
Cyclone, by pressure needed for gypsum Turo pump offer gypsum eddy flow is separately provided, the deficiency of the relevant technologies is, for interrupted
The AFT tower of operation or for the short time operation project in when, in the related technology using gypsum Turo pump progress gypsum eddy flow
Flue gas desulfurization device device configuration it is more, cost of investment is higher.And there is not setting defoaming dress on AFT tower in the related technology
It sets, when there are abnormal conditions, when a large amount of impurity of flue gas carrying enter absorption tower and AFT tower, will lead to slurries blistering and overflow, lead
Cause the pollution of peripheral equipment.
Therefore, above-mentioned it is really necessary to provide a kind of new flue gas desulfurization device solution for carrying out gypsum eddy flow using circulating pump
Technical problem.
Utility model content
The purpose of this utility model be in view of the above technical problems, the utility model provide it is a kind of utilize circulating pump carry out
The flue gas desulfurization device of gypsum eddy flow makes full use of circulating pump, realizes that equipment is simplified；Defoaming device is added, is realized to AFT tower
Defoaming operation, can effectively avoid AFT tower from blistering overflow, the phenomenon that leading to the pollution of peripheral equipment generation.
In order to solve the above technical problems, a kind of flue gas for carrying out gypsum eddy flow using circulating pump provided by the utility model is de-
Sulphur equipment, including absorption tower, gypsum cyclone, AFT tower, circulating pump；The gypsum cyclone includes entrance, first outlet,
Two outlets, the circulating pump are connect with the entrance of the gypsum cyclone, and the first outlet is connected to the AFT tower, described
Second outlet is connected to the absorption tower；Valve is equipped between the circulating pump and the entrance；The circulating pump also with it is described
Absorption tower connection；The flue gas desulfurization device that gypsum eddy flow is carried out using circulating pump further includes defoaming device, the defoaming dress
Set drainage unit, vibration defoaming unit, cutting defoaming unit including being sequentially connected, the separate vibration of the drainage unit
The one end for defoaming unit is set to the side of the AFT tower；The defoaming device further includes being set to below cutting defoaming unit
Foam-collecting groove.
Further, the AFT tower includes pylon and tower body, and the tower body bottom is higher than the tower bottom, the tower
Body bottom is equipped with the pipe gravity flow pipeline for slurries emptying being connected to inside the tower body with tower body exterior space.
Further, the drainage unit includes drainage tube, check valve, takes out negative pressure device, described in drainage tube connection
AFT tower and the vibration defoam unit, and the pumping negative pressure device sets and forms negative pressure ring in drainage tube for making on the drainage tube
Border, the check valve are set in the drainage tube and are located at one far from the AFT tower for taking out negative pressure device and the drainage tube
Between end.
Further, the vibration defoaming unit includes that top has the vibrating bin of gas vent, is set under the vibrating bin
The vibrating motor of side, the lower part of the vibrating bin are connected to one end far from the AFT tower of the drainage tube and draw with described
Flow tube constitutes prismatic pair.
Further, the cutting defoaming unit includes the delivery pipe being arranged along the vertical direction, is set in the delivery pipe
Cutting blade, be used to drive the cutting motor of the cutting blade rotation outside the delivery pipe, the delivery pipe it is upper
The square lower part with the vibrating bin is connected to and constitutes prismatic pair, Ji Pao described in the lower section face of the delivery pipe with the vibrating bin
Slot.
Further, the lower part of the vibrating bin is equipped with cricoid first ring body, the separate AFT tower of the drainage tube
One end be contained in first ring body, and between the outer wall of the drainage tube and the inner wall of first ring body be equipped with and institute
State the first sealing ring that drainage tube is fixedly linked.
Further, the lower part of the vibrating bin is equipped with cricoid second ring body, the separate Ji Pao of the delivery pipe
One end of slot is contained in second ring body, and between the outer wall of the delivery pipe and the inner wall of second ring body be equipped with
The second sealing ring that the delivery pipe is fixedly linked.
Further, the foam-collecting groove is the cylindrical groove or rectangular channel of opening upwards.
Further, the pumping negative pressure device is negative-pressure air fan；The check valve is Duckbill one-way valves.
Further, the flue gas desulfurization device that gypsum eddy flow is carried out using circulating pump further includes mounting rack, the peace
It shelves and is fixed on AFT tower side, the pumping negative pressure device, the vibrating motor, the cutting motor are individually fixed in institute
State mounting rack.
The utility model the utility model has the advantages that
Compared with the relevant technologies, in a kind of flue gas desulfurization device for carrying out gypsum eddy flow using circulating pump of the application, a side
Face makes full use of circulating pump, realizes simplifying for equipment, reduces costs；On the other hand, add defoaming device, using vibration and
The method of the mechanical defoaming of cutting realizes the defoaming operation to AFT tower, environmentally protective without using defoaming agent, can effectively avoid
AFT tower blisters overflow, the phenomenon that leading to the pollution of peripheral equipment generation.
Detailed description of the invention
It will be apparent and more hold by made detailed description, the above-mentioned advantage of the utility model in conjunction with the following drawings
Readily understood, these attached drawings are only schematical, are not intended to limit the utility model, in which:
Fig. 1 is that a kind of equipment for the flue gas desulfurization device that gypsum eddy flow is carried out using circulating pump of the utility model arranges signal
Figure；
Fig. 2 is the defoaming device in a kind of flue gas desulfurization device for carrying out gypsum eddy flow using circulating pump of the utility model
Structural schematic diagram.
In figure:
1. absorption tower；2. AFT tower；3. circulating pump；4. gypsum cyclone；5. defoaming device；6. mounting rack；
51. drainage unit；52. vibration defoaming unit；53. cutting defoaming unit；54. collection bubble case；
511. drainage tube；512. check valve；513. take out negative pressure device；514. first sealing rings；
521. vibrating bin；522 vibrating motors；
531. delivery pipe；532. cutting blade；533. cutting motor；534. second sealing rings；
5211. gas vent；5212. the first ring body；5213. the second ring body.
Specific embodiment
Combined with specific embodiments below with attached drawing pair, the utility model it is a kind of using circulating pump carry out gypsum eddy flow cigarette
Desulfurization equipment is described in detail.
The embodiment recorded herein is the specific specific embodiment of the utility model, for illustrating the utility model
Design, be it is explanatory and illustrative, should not be construed as the limit to the utility model embodiment and the scope of the utility model
System.In addition to the embodiment recorded herein, those skilled in the art can also be public based on the claim of this application book and specification institute
For the content opened using obvious other technical solutions, these technical solutions include using doing to the embodiment recorded herein
The technical solution of any obvious substitutions and modifications out.
The attached drawing of this specification is schematic diagram, aids in illustrating the design of the utility model, it is schematically indicated each section
Shape and its correlation.It note that for the ease of clearly showing the structure of each component of the utility model embodiment, phase
Same reference marker is for indicating identical part.
Referring to attached drawing 1-2, a kind of flue gas desulfurization device carrying out gypsum eddy flow using circulating pump, including absorption tower 1, AFT
Tower 2, circulating pump 3, gypsum cyclone 4；Gypsum cyclone 4 includes entrance, first outlet, second outlet, and circulating pump 3 and gypsum revolve
The entrance connection of device 4 is flowed, first outlet is connected to AFT tower 2, and second outlet is connected to absorption tower 1；It is set between circulating pump 3 and entrance
There is valve；Circulating pump 3 is also connected to absorption tower 1；A kind of flue gas desulfurization device that gypsum eddy flow is carried out using circulating pump of the application
It further include defoaming device 5, defoaming device 5 includes the drainage unit 51 being sequentially connected, vibration defoaming unit 52, cutting defoaming unit
53, one end of the separate vibration defoaming unit 52 of drainage unit 51 is set to the side of AFT tower 2；Defoaming device 5 further includes being set to cut
Cut the foam-collecting groove 54 of 53 lower section of defoaming unit.AFT tower 2 includes pylon and tower body, and tower body bottom is higher than tower bottom, tower body bottom
Equipped with the pipe gravity flow pipeline for slurries emptying inside connection tower body with tower body exterior space.Drainage unit 51 includes drainage tube
511, check valve 512, pumping negative pressure device 513, drainage tube 511 are connected to AFT tower 3 and vibration defoaming unit 52, pumping negative pressure device 513
If for making formation subnormal ambient in drainage tube 511 on drainage tube 511, check valve 512 is set in drainage tube 511 and is located to take out and bears
Between one end of the separate AFT tower 3 of pressure device 513 and drainage tube 511.Vibration defoaming unit 52 includes that top has gas vent
5211 vibrating bin 521, the vibrating motor 522 set on 521 lower section of vibrating bin, the lower part of vibrating bin 521 are remote with drainage tube 511
One end from AFT tower 2 is connected to and constitutes prismatic pair with drainage tube 511.Cutting defoaming unit 53 includes being arranged along the vertical direction
Delivery pipe 531, the cutting blade 532 in delivery pipe 531 are used to that cutting blade 532 be driven to rotate outside delivery pipe 531
Cutting motor 533, the top of delivery pipe 531 be connected to the lower part of vibrating bin 521 and with vibrating bin 521 constitute prismatic pair, it is defeated
Send the lower section face foam-collecting groove 54 of pipe 531.The lower part of vibrating bin 521 be equipped with cricoid first ring body 5212, drainage tube 511 it is remote
One end from AFT tower 2 is contained in the first ring body 5212, and between the outer wall of drainage tube 511 and the inner wall of the first ring body 5212
Equipped with the first sealing ring 514 being fixedly linked with drainage tube 511.The lower part of vibrating bin 521 is equipped with cricoid second ring body 5213,
One end of the separate foam-collecting groove 54 of delivery pipe 531 is contained in the second ring body 5213, and the outer wall of delivery pipe 531 and the second ring body
The second sealing ring 534 being fixedly linked with delivery pipe 531 is equipped between 5213 inner wall.Foam-collecting groove 54 is the cylinder of opening upwards
Shape slot or rectangular channel.A kind of flue gas desulfurization device that gypsum eddy flow is carried out using circulating pump of the application further includes mounting rack 6, installation
Frame 6 is fixed on 3 side of AFT tower, takes out negative pressure device 513, vibrating motor 522, cutting motor 533 and is individually fixed in mounting rack 6.This
In embodiment, pumping negative pressure device 513 is negative-pressure air fan；Check valve 512 is Duckbill one-way valves.
A kind of flue gas desulfurization device for carrying out gypsum eddy flow using circulating pump of the application is applied to single column double circulation desulphurization work
In process system, for existing AFT tower gypsum cyclone system intermitten operation and the shorter situation of runing time, for thin device
Configuration reduces cost of investment, eliminates gypsum Turo pump, pressure needed for providing gypsum eddy flow using circulating pump 4.AFT tower 2 uses
Pipe gravity flow pipeline can be used in overhead arrangement, slurries emptying, does not also need setting discharge pump.Draw on 3 outlet conduit of circulating pump and connects
Slurries pipeline is connected to gypsum cyclone 2 all the way, using valve control switch.When needing to start gypsum cyclone system, pipeline is opened
Valve, using 4 outlet conduit pressure of circulating pump to gypsum slurries carry out eddy flow, when do not need starting gypsum cyclone system when,
Valve on blinding off a line.AFT tower 2 is arranged gypsum cyclone 4 and forms gypsum cyclone system, to realize serum density in tower
It adjusts, concrete principle are as follows: gypsum slurries are separated under certain pressure effect by eddy flow, the gypsum overflow slurry of low-density
Back in AFT tower 2, highdensity gypsum bottom slurry is sent into absorption tower 1, so that reaching reduces serum density in AFT tower 2
Purpose.It should be noted that need to meet in a kind of flue gas desulfurization device for carrying out gypsum eddy flow using circulating pump of the application,
The pressure of one side flow loop slurry need to just meet the requirement of 4 pressure of gypsum cyclone, on the other hand, real to circulating pump 3
Now after a small amount of shunting, loop slurry spraying effect is had no effect on.
The application it is a kind of using circulating pump carry out gypsum eddy flow flue gas desulfurization device in be additionally arranged defoaming device 5, when by
When flue gas carries a large amount of impurity and enters absorption tower 1 and AFT tower 2, slurries is caused largely to blister, liquid level goes up in AFT tower 2, this
When defoaming device 5 work, take out negative pressure device 513 work, check valve 512 reversely end, forbid air to enter in drainage tube 511,
Drainage tube 511 forms subnormal ambient, and foam rapidly enters in drainage tube 511 from the connector of drainage tube 511 and AFT tower 3, through list
Enter vibrating bin 521 to valve 512, the gas vent 5211 of vibrating bin 521 is for being vented, work of the vibrating bin 521 in vibrating motor 522
With lower high-frequency vibration up and down, the vibration of the foam in vibrating bin 521 will be flowed into and broken, primary defoaming is realized, when remaining foam is by vibrating bin
521 flow into delivery pipe 531 when, cutting motor 533 work, drive cutting blade 532 rotate, cut through by foam, realize two
Secondary defoaming, then flow into collection bubble case 54.When vibrating bin 521 vibrates, the sealing that rises always of first seal and first seal is made
With, make between drainage tube 511 and vibrating bin 521 and the pipe of delivery pipe 531 and vibrating bin 521 between in the feelings that relative motion occurs
Still guarantee effectively to seal under condition.
Compared with the relevant technologies, in a kind of flue gas desulfurization device for carrying out gypsum eddy flow using circulating pump of the application, a side
Face makes full use of circulating pump, realizes simplifying for equipment, reduces costs；On the other hand, add defoaming device, using vibration and
The method of the mechanical defoaming of cutting realizes the defoaming operation to AFT tower, environmentally protective without using defoaming agent, can effectively avoid
AFT tower blisters overflow, the phenomenon that leading to the pollution of peripheral equipment generation.
The utility model is not limited to above embodiment, anyone can obtain other under the enlightenment of the utility model
Various forms of products, however, make any variation in its shape or structure, it is all with identical or similar to the present application
Technical solution, all fall within the protection scope of the utility model.
Claims (10)
1. a kind of flue gas desulfurization device for carrying out gypsum eddy flow using circulating pump, which is characterized in that including absorption tower, gypsum eddy flow
Device, AFT tower, circulating pump；The gypsum cyclone includes entrance, first outlet, second outlet, the circulating pump and the gypsum
The entrance of cyclone connects, and the first outlet is connected to the AFT tower, and the second outlet is connected to the absorption tower；Institute
It states and is equipped with valve between circulating pump and the entrance；The circulating pump is also connected to the absorption tower；It is described using circulating pump into
The flue gas desulfurization device of row gypsum eddy flow further includes defoaming device, and the defoaming device includes the drainage unit being sequentially connected, vibration
One end far from the vibration defoaming unit of dynamic defoaming unit, cutting defoaming unit, the drainage unit is set to the AFT tower
Side；The defoaming device further includes the foam-collecting groove below the cutting defoaming unit.
2. the flue gas desulfurization device according to claim 1 for carrying out gypsum eddy flow using circulating pump, which is characterized in that described
AFT tower includes pylon and tower body, and the tower body bottom is higher than the tower bottom, and the tower body bottom, which is equipped with, is connected to the tower body
Internal and tower body exterior space the pipe gravity flow pipeline for slurries emptying.
3. the flue gas desulfurization device according to claim 1 or 2 for carrying out gypsum eddy flow using circulating pump, which is characterized in that
The drainage unit includes drainage tube, check valve, takes out negative pressure device, and the drainage tube is connected to the AFT tower and the vibration disappears
Unit is steeped, the pumping negative pressure device is set on the drainage tube for making to form subnormal ambient in drainage tube, and the check valve is set
In in the drainage tube and between the one end of the separate AFT tower for taking out negative pressure device and the drainage tube.
4. the flue gas desulfurization device according to claim 3 for carrying out gypsum eddy flow using circulating pump, which is characterized in that described
Vibration defoaming unit includes vibrating bin, the vibrating motor below the vibrating bin that top has gas vent, the vibration
The lower part of case is connected to one end far from the AFT tower of the drainage tube and constitutes prismatic pair with the drainage tube.
5. the flue gas desulfurization device according to claim 4 for carrying out gypsum eddy flow using circulating pump, which is characterized in that described
Cutting defoaming unit includes the delivery pipe being arranged along the vertical direction, the cutting blade in the delivery pipe, set on described defeated
Send the cutting motor for being used to drive the cutting blade rotation outside pipe, the lower part company of the top of the delivery pipe and the vibrating bin
Lead to and constitutes prismatic pair, foam-collecting groove described in the lower section face of the delivery pipe with the vibrating bin.
6. the flue gas desulfurization device according to claim 5 for carrying out gypsum eddy flow using circulating pump, which is characterized in that described
The lower part of vibrating bin is equipped with cricoid first ring body, and one end far from the AFT tower of the drainage tube is contained in described first
In ring body, and the to be fixedly linked with the drainage tube is equipped between the outer wall of the drainage tube and the inner wall of first ring body
One sealing ring.
7. the flue gas desulfurization device according to claim 6 for carrying out gypsum eddy flow using circulating pump, which is characterized in that described
The lower part of vibrating bin is equipped with cricoid second ring body, and one end far from the foam-collecting groove of the delivery pipe is contained in described second
In ring body, and the to be fixedly linked with the delivery pipe is equipped between the outer wall of the delivery pipe and the inner wall of second ring body
Two sealing rings.
8. the flue gas desulfurization device according to claim 7 for carrying out gypsum eddy flow using circulating pump, which is characterized in that described
Foam-collecting groove is the cylindrical groove or rectangular channel of opening upwards.
9. the flue gas desulfurization device according to claim 8 for carrying out gypsum eddy flow using circulating pump, which is characterized in that described
Pumping negative pressure device is negative-pressure air fan；The check valve is Duckbill one-way valves.
10. the flue gas desulfurization device according to claim 9 for carrying out gypsum eddy flow using circulating pump, which is characterized in that institute
Stating and carrying out the flue gas desulfurization device of gypsum eddy flow using circulating pump further includes mounting rack, and the mounting rack is fixed on the AFT tower
Side, the pumping negative pressure device, the vibrating motor, the cutting motor are individually fixed in the mounting rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822094608.1U CN209378784U (en) | 2018-12-13 | 2018-12-13 | A kind of flue gas desulfurization device carrying out gypsum eddy flow using circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822094608.1U CN209378784U (en) | 2018-12-13 | 2018-12-13 | A kind of flue gas desulfurization device carrying out gypsum eddy flow using circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209378784U true CN209378784U (en) | 2019-09-13 |
Family
ID=67871696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822094608.1U Withdrawn - After Issue CN209378784U (en) | 2018-12-13 | 2018-12-13 | A kind of flue gas desulfurization device carrying out gypsum eddy flow using circulating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209378784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603500A (en) * | 2018-12-13 | 2019-04-12 | 北京国电龙源环保工程有限公司 | A kind of flue gas desulfurization device carrying out gypsum eddy flow using circulating pump |
-
2018
- 2018-12-13 CN CN201822094608.1U patent/CN209378784U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603500A (en) * | 2018-12-13 | 2019-04-12 | 北京国电龙源环保工程有限公司 | A kind of flue gas desulfurization device carrying out gypsum eddy flow using circulating pump |
| CN109603500B (en) * | 2018-12-13 | 2023-10-24 | 国能龙源环保有限公司 | Flue gas desulfurization equipment for carrying out gypsum cyclone by utilizing circulating pump |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100039 room 901, 9 / F, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Patentee after: Guoneng Longyuan environmental protection Co.,Ltd. Address before: 100039 room 911, 1 building, 16 West Fourth Ring Road, Haidian District, Beijing. Patentee before: BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENGINEERING Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190913 Effective date of abandoning: 20231024 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190913 Effective date of abandoning: 20231024 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |