CN205495210U - Spray column and be equipped with dry flue gas processing system of brown coal of this spray column - Google Patents
Spray column and be equipped with dry flue gas processing system of brown coal of this spray column Download PDFInfo
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- CN205495210U CN205495210U CN201620096758.4U CN201620096758U CN205495210U CN 205495210 U CN205495210 U CN 205495210U CN 201620096758 U CN201620096758 U CN 201620096758U CN 205495210 U CN205495210 U CN 205495210U
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Abstract
The utility model relates to a dry hot carrier gas recycle -water technical field especially relates to a spray column and be equipped with dry flue gas processing system of brown coal of this spray column. The spray column includes the tower body, is equipped with the distributing plate in the tower body, the spray section and the heat transfer section that set up about divideing into the tower body, the bottom is equipped with the liquid outlet and the dry flue gas entry in the top that is located the liquid outlet, and the top is equipped with dry exhanst gas outlet, be equipped with a plurality of shower heads in the spray section, be equipped with the indirect heat exchanger that is located between distributing plate and the dry flue gas entry in the heat transfer section, be equipped with the downspout between distributing plate and the tower body, indirect heat exchanger is fixed in the tower body, and the heat transferring medium entry and the heat exchange medium outlet of indirect heat exchanger all locate on the tower body, be equipped with a plurality of air vents on the distributing plate, the top of air vent is connected with the breather pipe, and the top of breather pipe is equipped with the gaseous pipe cap that is supported by the support for cover the breather pipe. The utility model discloses make full use of improved the quality of recycle -water and the heat utilization efficiency of system.
Description
Technical field
This utility model relates to being dried hot carrier gas recycle-water technical field, particularly relates to a kind of spray
Tower and be provided with the brown coal drying smoke processing system of this spray column.
Background technology
Owing to brown coal " three-hypers two is low " are (high-moisture, high volatile, high ash, low heat value, low
Ash fusion point) feature, bring a series of problem: Gao Shui to the operation of boiler using brown coal unit
Dividing and cause water vapour content in flue gas to increase, flue gas loss increases；High volatile, low ash smelting point
Brown coal are made to have stronger Slagging Characteristics；Low heat value makes coal consumption amount increase, the adopting of fuel, transport,
The investment such as storage, processing increases.After brown coal drying and upgrading, the caloric value of brown coal is greatly improved, combustion
The greenhouse gases discharged after burning reduce.
For the brown coal main producing regions such as China Inner Mongol, water resource famine, save water money
Source, reclaims moisture from brown coal drying gas and is just particularly important.Prior art propose many
The method planting brown coal drying off-gas recovery water, generally individually uses existing spray column dedusting, then warp
Moisture is isolated after cooling tower cooling, but brown coal drying off-gas recovery water of the prior art
Method organic efficiency is low, and the purity of recycle-water is the highest.
Utility model content
(1) to solve the technical problem that
The technical problems to be solved in the utility model is to solve brown coal drying flue gas in prior art to return
Receive the problem that utilization rate is low and recycle-water purity is low.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of spray column, including tower
Body, is provided with distribution grid in described tower body, described tower body is divided into setting up and down by described distribution grid
Spray section and heat exchanging segment；The bottom of described tower body is provided with liquid outlet, the lower side of described tower body
Face is provided with dry flue gas entrance, and described dry flue gas entrance is positioned at the top of described liquid outlet,
The top of described tower body is provided with dry flue gas outlet；Multiple spray head it is provided with in described spray section,
Being provided with indirect heat exchanger in described heat exchanging segment, described indirect heat exchanger is positioned at described distribution grid with dry
Between dry smoke inlet；It is provided with downspout between described distribution grid and described tower body, is used for spraying
The outflow of liquid；Described indirect heat exchanger is fixed on described tower body, changing of described indirect heat exchanger
Thermal medium entrance and heat transferring medium outlet are all located on described tower body；Described distribution grid is provided with many
Individual passage, is upwardly into spray section for dry flue gas；Being connected above of described passage
Breather, and the top of described breather is provided with the gas pipe cap supported by support, is used for covering
Described breather.
Wherein, between side and the described tower body of described distribution grid, leave gap, and distribution grid
Edge is provided with the tower body to the first baffle plate extended at the bottom of tower, described first baffle plate and its side
Surround described downspout.
Wherein, described distribution grid is arranged to the lopsidedness being provided with downspout.
Wherein, the passage on described distribution grid is equilateral triangle distribution.
Wherein, described indirect heat exchanger is tubular heat exchanger, is provided with two below described distribution grid
Individual parallel and vertical with distribution grid second baffle, described tube bundle of tube-type heat exchanger is equal
Level is fixed between the second baffle of both sides, each described second baffle and distribution grid and tower body
It is respectively formed one and seals tube chamber, be provided with multiple dividing plate in described sealing tube chamber, be used for forming multitube
Journey tubular heat exchanger.
This utility model additionally provides a kind of brown coal drying smoke processing system, including above-mentioned spray
Drench tower, drying equipment, aerial condenser, gas-liquid separator, water recovery tank, exhaust fan and
Drain separator；The gas outlet of described drying equipment and the dry flue gas entrance of described spray column
Connecting, the dry flue gas outlet of described spray column is connected with the gas access of aerial condenser, empty
The gas access of gas condenser is connected with the gas access of described gas-liquid separator；Described gas-liquid is divided
Gas outlet from device connects the import of described exhaust fan, and the outlet of described exhaust fan connects
The heat transferring medium entrance of described spray column；The liquid outlet of described gas-liquid separator connects described water
Recycling can；The heat transferring medium outlet of described spray column is connected with the gas access of described drying equipment；
The liquid outlet of described spray column is connected with described water recovery tank by described drain separator.
Wherein, brown coal drying smoke processing system also include being sequentially connected to described drying equipment with
Cyclone separator between described spray column and sack cleaner.
Wherein, the outlet of the described water recovery tank spray by described water circulating pump Yu described spray column
Pouring head connects.
(3) beneficial effect
Technique scheme of the present utility model compared with prior art has the advantage that this reality
Being divided into spray section and heat exchanging segment with the spray column of novel offer, heat exchanging segment can reduce dry flue gas
Temperature, the sensible heat of heat transferring medium absorption dehydration flue gas can be made again to be used, spray section is to dry
Dry flue gas carries out dedusting of lowering the temperature.This spray column can recycle the heat in dry flue gas, increases
Strong spray column is for the cooling effect of dry flue gas, and dry flue gas can be carried out dedusting.This
The brown coal drying smoke processing system recovery utilization rate that utility model provides is high, and compact conformation accounts for
Ground area is little.Use cyclone dust extractor and fiber bag precipitator that it is carried out dedusting, improve back
Receive the quality of water.
Accompanying drawing explanation
Fig. 1 is the front view of this utility model embodiment spray column；
Fig. 2 is that the A-A of Fig. 1 is to sectional view；
Fig. 3 is that the B-B of Fig. 2 is to sectional view；
Fig. 4 is the structural representation of this utility model embodiment brown coal drying smoke processing system.
In figure: 1: tower body；11: dry flue gas entrance；12: dry flue gas exports；13: liquid
Body exports；14: heat transferring medium entrance；15: heat transferring medium exports；2: distribution grid；21: logical
Pore；22: breather；23: gas pipe cap；3: spray head；4: downspout；41: the
One baffle plate；5: tubular heat exchanger；51: second baffle；101: air stove；102: be dried
Equipment；103: cyclone separator；104: sack cleaner；105: spray column；106: empty
Gas condenser；107: gas-liquid separator；108: exhaust fan；109: water recovery tank；110:
Water circulating pump；111: drain separator.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below
The accompanying drawing in this utility model embodiment will be combined, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is of the present utility model one
Section Example rather than whole embodiments.Based on the embodiment in this utility model, this
It is every other that field those of ordinary skill is obtained on the premise of not making creative work
Embodiment, broadly falls into the scope of this utility model protection.
As shown in Figure 1-Figure 3, a kind of spray column 105 that this utility model embodiment provides, including
Tower body 1, is provided with distribution grid 2 in tower body 1, tower body 1 is divided into spray setting up and down by distribution grid 2
Drench section and heat exchanging segment, specifically, spray section account for more than the 1/2 of whole tower body 1 height；Tower body
The bottom of 1 is provided with liquid outlet 13, and the lower side of tower body 1 is provided with dry flue gas entrance 11,
And dry flue gas entrance 11 is positioned at the top of liquid outlet 13, the top of tower body 1 is provided with dry
Exhanst gas outlet 12；It is provided with multiple spray head 3 in spray section, in heat exchanging segment, is provided with indirect heat exchanger,
Indirect heat exchanger is between distribution grid 2 and dry flue gas entrance 11；Distribution grid 2 and tower body 1
Between be provided with downspout 4, for the outflow of ejecting liquid；Indirect heat exchanger is fixed on tower body 1,
The heat transferring medium entrance 14 of indirect heat exchanger and heat transferring medium outlet 15 are all located on tower body 1；
Distribution grid 2 is provided with multiple passage 21, is upwardly into spray section for dry flue gas；Ventilation
Hole 21 be connected above breather 22, and the top of breather 22 is provided with and is supported by support
Gas pipe cap 23, is used for covering breather 22.
The spray column 105 that this utility model embodiment provides is divided into spray section and heat exchanging segment, uses
Time dry flue gas sprayed in tower body 1 by the dry flue gas entrance 11 of tower body 1 bottom, first pass around
Indirect heat exchanger in heat exchanging segment, can reduce the temperature of dry flue gas, can make again heat transferring medium
The sensible heat of absorption dehydration flue gas is used, and the dry flue gas after heat exchange is by distribution grid 2
Passage 21 enter spray section, further dry flue gas is lowered the temperature, the water simultaneously sprayed
Dust in dry flue gas is taken away the dedusting realized dry flue gas.Distribution grid 2 is provided with
Breather 22 and the gas pipe cap 23 that can cover breather 22 being arranged over thereof, can keep away
Exempt from shower water and instilled in heat exchanging segment by passage 21, affect the heat transfer effect of dry flue gas.This reality
Not only there is with novel spray column 105 function of spraying and dedusting, also there is the function of heat exchange,
It is a kind of novel heat transfer spray tower, recycles the heat in dry flue gas, strengthen spray column
For the cooling effect of dry flue gas, and dry flue gas can be carried out dedusting.
Further, gap, and distribution grid 2 are left between side and the tower body 1 of distribution grid 2
Edge be provided with to the first baffle plate 41 extended at the bottom of tower, the tower of the first baffle plate 41 and its side
Body 1 surrounds downspout 4.Downspout 4 extends at the bottom of tower, and during use, the end of downspout 4 can flood
Not in ejecting liquid, it is to avoid partially dried flue gas without heat exchange directly by downspout 4
Flow out in spray section.Downspout 4 is enclosed by the first baffle plate 41 and the tower body 1 at distribution grid 2 edge
Become simple in construction, it is simple to manufacture.
Further, distribution grid 2 is arranged to the lopsidedness being provided with downspout 4.Distribution grid 2
Being preferably 5～10 ° with the angle of inclination of horizontal plane, distribution grid 2 is downward-sloping and towards downspout
The lopsidedness of 4 is easy to dust that ejecting liquid carries in dry flue gas down through by downspout 4
Flow out.)
Further, the passage 21 on distribution grid 2 is distributed in equilateral triangle.Passage 21
Distribution grid 2 is uniformly distributed so that being uniformly dispersed when dry flue gas enters spray section, is conducive to
Improve the spray section cooling dust removing effects to dry flue gas.Specifically, each passage 21 is arranged
Breather 22 between centre-to-centre spacing more than or equal to the pipe external diameter of 1.5 times.Between breather 22
The too small circulation that can affect gas of centre-to-centre spacing.
Specifically, indirect heat exchanger is preferably tubular heat exchanger 5, is provided with two below distribution grid 2
Individual parallel and vertical with distribution grid 2 second baffle 51, the tube bank of tubular heat exchanger 5
All levels are fixed between the second baffle 51 of both sides, each second baffle 51 and distribution grid 2
It is respectively formed one with tower body 1 and seals tube chamber, be provided with multiple dividing plate in sealing tube chamber, be used for being formed
Multitube distance tubular heat exchanger 5.Multitube distance tubular heat exchanger 5 can increase heat transferring medium and change
The time of staying in hot device, promote heat transfer effect, improve the heat recovery efficiency of dry flue gas.Specifically
Ground, the comb mode of tubular heat exchanger 5 is equilateral triangle space staggered arrangement, and shell and tube heat exchange
The centre-to-centre spacing between each tube bank of the device 5 tube bank external diameter more than or equal to 1.5 times.Shell and tube heat exchange
Passing through of each tube bank space staggered arrangement beneficially dry flue gas of device 5, increase dry flue gas with
The contact area of tube bank.
As shown in Figure 4, this utility model embodiment additionally provides a kind of brown coal drying fume treatment
System, including above-mentioned spray column 105, drying equipment 102, aerial condenser 106, gas-liquid
Separator 107, water recovery tank 109, exhaust fan 108 and drain separator 111；It is dried and sets
The gas outlet of standby 102 is connected with the dry flue gas entrance 11 of spray column 105, spray column 105
Dry flue gas outlet 12 be connected with the gas access of aerial condenser 106, aerial condenser 106
Gas access be connected with the gas access of gas-liquid separator 107；The gas of gas-liquid separator 107
Body outlet connects the import of exhaust fan 108, and the outlet of exhaust fan 108 connects spray column 105
Heat transferring medium entrance 14；The liquid outlet 13 of gas-liquid separator 107 connects water recovery tank 109；
The heat transferring medium outlet 15 of spray column 105 is connected with the gas access of drying equipment 102；Spray
The liquid outlet 13 of tower 105 is connected with water recovery tank 109 by drain separator 111.Use
Time high-temperature flue gas (high-temperature flue gas can be produced by air stove 101) is passed through drying equipment 102
Middle drying brown coal, the dry flue gas that temperature is 110～150 DEG C that dry run produces is passed through spray column
Heat-exchange dedusting in 105, the temperature after spray column 105 processes is down to the dry flue gas of 60～90 DEG C
Being passed through in aerial condenser 106 and cool down further, the temperature of dry flue gas is down to 30～50 DEG C, so
Dry flue gas after cooling is separated by rear employing gas-liquid separator 107, separating obtained water
Dividing and enter in water recovery tank 109, the gas after separation is passed through spray through exhaust fan 108 part
Being heated as heat transferring medium in tower 105, the gas after heating can be passed through drying equipment 102
In for drying brown coal, it is achieved recycling, remaining gas discharges system through exhaust fan 108
System.The moisture that ejecting liquid in spray column 105 obtains after drain separator 111 can also
It is recovered in water recovery tank 109.The brown coal drying smoke processing system that this utility model provides returns
Receipts utilization rate is high, and the response rate of water is up to more than 85%, and operating cost is low, and compact conformation accounts for
Ground area is little.
Further, brown coal drying smoke processing system also includes being sequentially connected to drying equipment 102
And the cyclone separator 103 between spray column 105 and sack cleaner 104.Enter at dry flue gas
Enter carry out dedusting by cyclone separator 103 and sack cleaner 104 between spray column 105 can
To remove the most of pulverized coal particle in dry flue gas, good dedusting effect, the water therefore reclaimed
Quality is high.
Further, the outlet of water recovery tank 109 is by water circulating pump 110 and spray column 105
Spray head 3 connect.Water after recovery can partly be used for spraying cooling in this system and be dried cigarette
Gas, it is achieved recycling of moisture, reduces system energy consumption.
The processing method of the brown coal drying smoke processing system that this utility model embodiment provides, bag
Include following steps:
S1, is passed through drying brown coal in drying equipment 102 by high-temperature flue gas；
S2, is passed through the dry flue gas produced in step S1 in spray column 105；Specifically, exist
Following steps can be performed before performing this step；Dry flue gas is passed through successively cyclone dust extractor
With sack cleaner 104 carries out dedusting.
S3, utilizes aerial condenser 106 to cool down the dry flue gas after spray column 105 processes；
S4, the dry flue gas after step S3 being cooled down is passed through in gas-liquid separator 107 and separates,
And portion gas is passed through in spray column 105 as heat transferring medium, the moisture of separation is passed through water
Recycling can 109 reclaims；
S5, will be passed through in drying equipment 102 as heat transferring medium heated gas in step S4
Drying brown coal；
S6, will be separated through drain separator 111 by the liquid in spray column 105, and will separate
After moisture be passed through in water recovery tank 109 recovery.
The processing method recovery utilization rate of the brown coal drying smoke processing system that this utility model provides
Height, the response rate of water is up to more than 85%, through cyclone separator 103 and sack cleaner 104
After dedusting better through the quality of heat transfer spray tower 105 washing and recycling water.
In order to clearly embody having of the brown coal drying smoke processing system of this utility model embodiment
Benefit effect, additionally provides a specific embodiment:
Somewhere needs to carry out the brown coal upgrading of 4,000,000 tons every year, and the water content of brown coal is 34.8%,
Effluent gas temperature for drying brown coal is 500 DEG C, and it is 90000Nm that flue gas is blown into speed3/ h,
The dry flue gas temperature also having part to recycle for drying brown coal is 80 DEG C, is blown into speed
For 120000Nm3/ h, after both mixing, temperature is 260 DEG C.Mixed gas is passed through to be dried and sets
Drying brown coal in standby 102, the temperature of dry flue gas is reduced to 120 DEG C, is led to successively by dry flue gas
Cross cyclone separator 103 and sack cleaner 104, dry flue gas is being sent into described spray column
105, dry flue gas in spray column 105 after heat exchange temperature be down to 90 DEG C, dry flue gas enters afterwards
Entering spray section, after spray section is washed, flue-gas temperature is reduced to 70 DEG C.Dry flue gas is again through sky
After gas condenser 106 cooling, temperature will be 40 DEG C, use gas-liquid separator 107 the most permissible
Isolated 115m3Water, year recycle-water 820,000 tons.In the isolated tail gas of institute about
80000Nm3/ h heats in spray column 105 sent into by loop tail blower fan, finally sends into drying equipment
102 are used for drying brown coal.The quantity of circulating water that heat transfer spray tower 105 is used is 1000m3/ h,
10m is arranged outside coupled decanter type separator3The dense mud of/h can be used for moulded coal to be prepared.
In sum, spray column of the present utility model not only has the function of spraying and dedusting, also has
There is the function of heat exchange, be a kind of novel heat transfer spray tower, recycle the heat in dry flue gas
Amount, strengthens the spray column cooling effect for dry flue gas, and can remove dry flue gas
Dirt.The brown coal drying smoke processing system recovery utilization rate that this utility model provides is high, returning of water
Yield is up to more than 85%, and the quality of recycle-water is good, and operating cost is low, compact conformation, accounts for
Ground area is little.
It is last it is noted that above example is only in order to illustrate the technical solution of the utility model,
It is not intended to limit；Although this utility model being described in detail with reference to previous embodiment,
It will be understood by those within the art that: it still can be to described in foregoing embodiments
Technical scheme modify, or wherein portion of techniques feature is carried out equivalent；And this
A little amendments or replacement, do not make the essence of appropriate technical solution depart from this utility model and respectively implement
The spirit and scope of example technical scheme.
Claims (8)
1. a spray column, it is characterised in that: including tower body, be provided with distribution grid in described tower body, described tower body is divided into spray section setting up and down and heat exchanging segment by described distribution grid；The bottom of described tower body is provided with liquid outlet, and the lower side of described tower body is provided with dry flue gas entrance, and described dry flue gas entrance is positioned at the top of described liquid outlet, and the top of described tower body is provided with dry flue gas outlet；
Being provided with multiple spray head in described spray section, be provided with indirect heat exchanger in described heat exchanging segment, described indirect heat exchanger is between described distribution grid and dry flue gas entrance；
It is provided with downspout, for the outflow of ejecting liquid between described distribution grid and described tower body；
Described indirect heat exchanger is fixed on described tower body, the heat transferring medium entrance of described indirect heat exchanger and heat transferring medium outlet to be all located on described tower body；
Described distribution grid is provided with multiple passage, is upwardly into spray section for dry flue gas；Described passage be connected above breather, and the top of described breather is provided with the gas pipe cap supported by support, is used for covering described breather.
Spray column the most according to claim 1, it is characterized in that: between side and the described tower body of described distribution grid, leave gap, and the edge of distribution grid is provided with to the first baffle plate extended at the bottom of tower, described first baffle plate surrounds described downspout with the tower body of its side.
Spray column the most according to claim 1, it is characterised in that: described distribution grid is arranged to the lopsidedness being provided with downspout.
Spray column the most according to claim 1, it is characterised in that: the passage on described distribution grid is equilateral triangle distribution.
Spray column the most according to claim 1, it is characterized in that: described indirect heat exchanger is tubular heat exchanger, two parallel and vertical with distribution grid second baffles it are provided with below described distribution grid, the equal level of described tube bundle of tube-type heat exchanger is fixed between the second baffle of both sides, each described second baffle and distribution grid and tower body are respectively formed one and seal tube chamber, it is provided with multiple dividing plate in described sealing tube chamber, is used for forming multitube distance tubular heat exchanger.
6. a brown coal drying smoke processing system, it is characterised in that: include the spray column as described in any one of claim 1-5, drying equipment, aerial condenser, gas-liquid separator, water recovery tank, exhaust fan and drain separator；
The gas outlet of described drying equipment is connected with the dry flue gas entrance of described spray column, and the dry flue gas outlet of described spray column is connected with the gas access of aerial condenser, and the gas access of aerial condenser is connected with the gas access of described gas-liquid separator；
The gas outlet of described gas-liquid separator connects the import of described exhaust fan, and the outlet of described exhaust fan connects the heat transferring medium entrance of described spray column；The liquid outlet of described gas-liquid separator connects described water recovery tank；
The heat transferring medium outlet of described spray column is connected with the gas access of described drying equipment；
The liquid outlet of described spray column is connected with described water recovery tank by described drain separator.
Brown coal drying smoke processing system the most according to claim 6, it is characterised in that: also include being sequentially connected to the cyclone separator between described drying equipment and described spray column and sack cleaner.
Brown coal drying smoke processing system the most according to claim 6, it is characterised in that: the outlet of described water recovery tank is connected by the spray head of water circulating pump with described spray column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620096758.4U CN205495210U (en) | 2016-01-29 | 2016-01-29 | Spray column and be equipped with dry flue gas processing system of brown coal of this spray column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620096758.4U CN205495210U (en) | 2016-01-29 | 2016-01-29 | Spray column and be equipped with dry flue gas processing system of brown coal of this spray column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205495210U true CN205495210U (en) | 2016-08-24 |
Family
ID=56724900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620096758.4U Withdrawn - After Issue CN205495210U (en) | 2016-01-29 | 2016-01-29 | Spray column and be equipped with dry flue gas processing system of brown coal of this spray column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205495210U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536394A (en) * | 2016-01-29 | 2016-05-04 | 北京神雾环境能源科技集团股份有限公司 | Spray tower, lignite drying flue gas treatment system provided with spray tower and method of lignite drying flue gas treatment system |
| CN112023629A (en) * | 2020-08-19 | 2020-12-04 | 盘姜 | Flue gas desulfurization tower and desulfurization method thereof |
-
2016
- 2016-01-29 CN CN201620096758.4U patent/CN205495210U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536394A (en) * | 2016-01-29 | 2016-05-04 | 北京神雾环境能源科技集团股份有限公司 | Spray tower, lignite drying flue gas treatment system provided with spray tower and method of lignite drying flue gas treatment system |
| CN105536394B (en) * | 2016-01-29 | 2018-08-21 | 神雾科技集团股份有限公司 | Spray column, the brown coal drying smoke processing system equipped with the spray column and its method |
| CN112023629A (en) * | 2020-08-19 | 2020-12-04 | 盘姜 | Flue gas desulfurization tower and desulfurization method thereof |
| CN112023629B (en) * | 2020-08-19 | 2022-05-13 | 上海赛思特新能源科技有限公司 | Flue gas desulfurization tower and desulfurization method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee after: Shenwu science and technology group Limited by Share Ltd Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee before: Beijing Shenwu Environment Energy Technology Group Co., Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160824 Effective date of abandoning: 20180821 |