CN1899676A - Desulfurizing system for treating smoke produced from industrial burning device - Google Patents
Desulfurizing system for treating smoke produced from industrial burning device Download PDFInfo
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- CN1899676A CN1899676A CN 200610098804 CN200610098804A CN1899676A CN 1899676 A CN1899676 A CN 1899676A CN 200610098804 CN200610098804 CN 200610098804 CN 200610098804 A CN200610098804 A CN 200610098804A CN 1899676 A CN1899676 A CN 1899676A
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- flue gas
- seawater
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- 239000000779 smoke Substances 0.000 title claims description 12
- 230000003009 desulfurizing effect Effects 0.000 title description 16
- 239000013535 sea water Substances 0.000 claims abstract description 91
- 238000005273 aeration Methods 0.000 claims abstract description 33
- 238000010521 absorption reaction Methods 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002351 wastewater Substances 0.000 claims abstract description 12
- 239000000945 filler Substances 0.000 claims abstract description 4
- 239000003546 flue gas Substances 0.000 claims description 73
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 71
- 238000002485 combustion reaction Methods 0.000 claims description 33
- 239000007921 spray Substances 0.000 claims description 18
- 238000006477 desulfuration reaction Methods 0.000 claims description 17
- 230000023556 desulfurization Effects 0.000 claims description 17
- 238000012856 packing Methods 0.000 claims description 12
- 210000005056 cell body Anatomy 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 5
- -1 polypropylene Polymers 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims 1
- 239000003595 mist Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 3
- 239000003517 fume Substances 0.000 abstract 3
- 238000005192 partition Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 230000008676 import Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Treating Waste Gases (AREA)
- Chimneys And Flues (AREA)
Abstract
The system for de-sulfurizing fume from industrial burning apparatus includes an absorption tower with fume inlet, purified fume outlet, sea water inlet and sea water outlet in the bottom; and an aeration tank with cooling sea water inlet. The absorption tower includes one tower body, one filler layer, and sea water spraying pipes over the filler layer and connected to the sea water inlet. The aeration tank includes tank body with water distributing region connected to cooling sea water inlet, mixing region, waste water inlet pipe inserted into the mixing region, exhaust port and aerating head with blower and exhaust hole. The system has low cost, high de-sulfurizing effect, and other advantages.
Description
The technical field is as follows:
the invention relates to a flue gas treatment system, in particular to a system for carrying out desulfurization treatment on flue gas generated by an industrial combustion device.
Background art:
industrial combustion device, in particular an industrial or utility boiler, generates a large amount of flue gas during operation, the flue gas containing a certain amount of SO2And the like, are main causes of air pollution and acid rain. At present, the wet method is adopted to carry out desulfurization treatment on industrial flue gas by using limestone, quicklime and the like as desulfurizing agents to achieve the aim of desulfurization. The method for desulfurizing has the disadvantages of large investment, high operating cost and treatment of by-products generated in the operating process. At present, most of industrial combustion boilers or power station boilers located at seasides use seawater to cool thermodynamic systems of the boilers, and the cooled seawater is directly discharged into the sea, is not reused and is also a waste.
The invention content is as follows:
the invention aims to provide a system for desulfurizing flue gas generated by an industrial combustion device, which has the advantages of good desulfurization effect, less investment, low operation cost, no by-product waiting treatment and full utilization of cooling seawater discharged by the combustion device, so as to meet the requirement of desulfurizing flue gas generated by the industrial combustion device at sea and overcome the defects of the prior art.
The invention relates to a system for desulfurizing flue gas generated by an industrial combustion device, which comprises an absorption tower with a flue gas inlet at the lower part and a clean flue gas outlet at the upper part, and is characterized in that: flue gas entry and flue gas row mouth tube coupling, clean flue gas export and exhaust port intercommunication, cooling sea water row mouth through the sea water import intercommunication of first sea water booster pump with the absorption tower top, the sea water export of absorption tower below and the waste water inlet pipe intercommunication on the aeration tank, cooling sea water row mouth and the cooling sea water import intercommunication on the aeration tank,the absorption tower includes the tower body, and the top of flue gas entry supports there is the packing layer in the tower body, is equipped with the shower that is linked together with the sea water import in the top of packing layer, is located the shower top and is equipped with the defogging layer, the aeration tank include the cell body, be equipped with the water distribution district and the mixed area with cooling sea water import intercommunication in the one end of cell body, waste water inlet pipe insert the mixed area in, be equipped with the discharge port at the other end of cell body, be equipped with the aeration head of taking out the gas pocket with the fan.
The system for desulfurizing the flue gas generated by the industrial combustion device is characterized in that a heat exchanger and a booster fan are connected between a flue gas inlet and a flue gas outlet, and the heat exchanger is positioned on a pipeline between a clean flue gas outlet and a flue gas outlet.
The invention relates to a system for desulfurizing flue gas generated by an industrial combustion device, wherein a first seawater booster pump is connected with a second seawater booster pump in parallel, and a seawater pool is arranged between a cooling seawater outlet and the first seawater booster pump as well as between the cooling seawater outlet and the second seawater booster pump.
The system for desulfurizing the flue gas generated by the industrial combustion device comprises a first seawater booster pump, a second seawater booster pump, a heat exchanger, a flue gas exhaust port, a flue gas heat exchanger, a flue gas exhaust port, a flue gas heat exchanger, a flue.
The invention relates to a system for desulfurizing flue gas generated by an industrial combustion device, wherein a filler layer is arranged on an upper grid, the upper grid is arranged on a horizontal supporting beam, and two ends of the horizontal supporting beam are arranged on a lower lug boss on the inner side wall of a tower body.
The invention relates to a system for desulfurizing flue gas generated by an industrial combustion device, wherein a lower layer grid is arranged between an upper layer grid and a horizontal supporting beam.
The invention relates to a system for desulfurizing flue gas generated by an industrial combustion device, wherein two ends of a spray pipe are arranged on an upper boss on the inner side wall of a tower body, the middle of the spray pipe is communicated with a main spray pipe connected with a seawater inlet, the main spray pipe is fixed on a middle supporting beam, the middle supporting beam is connected with a horizontal supporting beam, and two ends of the middle supporting beam are arranged on the boss on the inner side wall of the tower body.
The invention relates to a system for desulfurizing flue gas generated by an industrial combustion device, wherein a defogging layer is a polypropylene flat plate type demister.
The invention relates to a system for desulfurizing flue gas generated by an industrial combustion device, wherein a blocking plate is arranged at one end of a discharge port in a tank body to form a discharge area, a partition plate is longitudinally arranged between a mixing area and the discharge area, an aeration pipe communicated with a fan is arranged at the upper edge of the partition plate, the aeration pipe is communicated with a branch pipe arranged on the side surface of the partition plate, and an aeration head is communicated with the branch pipe and horizontally arranged at the bottom of the tank body at equal intervals.
The system for desulfurizing the flue gas generated by the industrial combustion device is characterized in that a bypass area communicated with the water distribution area and the discharge area is arranged on the inner side edge of the pool body.
In the system for desulfurizing the flue gas generated by the industrial combustion device, the flue gas discharge outlet of the industrial combustion device is connected with the flue gas inlet pipeline below the absorption tower, the clean flue gas outlet above the absorption tower is communicated with the smoke outlet, the cooling seawater discharge outlet is communicated with the seawater inlet above the absorption tower through the first seawater booster pump, the seawater outlet below the absorption tower is communicated with the wastewater inlet pipe on the aeration tank, and the cooling seawater discharge outlet is communicated with the aeration tankCooling seawater inlet intercommunication on the gas tank, the absorption tower includes the tower body, and the top of flue gas entry supports there is the packing layer in the tower body, is equipped with the shower that is linked together with the sea water import in the top of packing layer, the aeration tank include the cell body, be equipped with the water distribution district and the mixed zone that communicate with cooling seawater inlet in the one end of cell body, waste water advance the pipe insert in the mixed zone, be equipped with the discharge port at the other end of cell body, be equipped with the aeration head who takes out the gas pocket with the fan intercommunication between discharge port and mixed zone, during operation, carry out refrigerated sea water and abundant contact with the produced flue gas of burner in the absorption tower to burner, make its acid-base neutralize, realize SO in the flue gas2When the absorption of acidic substances is carried out, the oxidation and recovery of the acidic seawater are completed in the aeration tank, so the system has simple structure, less investment, stable operation, low cost and good desulfurization effect, fully utilizes the cooling seawater discharged by thecombustion device, and the used seawater is oxidized and recovered to reach the discharge standard without by-product treatment in the operation process.
Description of the drawings:
FIG. 1 is a schematic diagram of the system configuration of the present invention for desulfurization of flue gas produced by an industrial combustion unit;
FIG. 2 is a schematic top view of the aeration tank shown in FIG. 1;
FIG. 3 is a schematic sectional view A-A shown in FIG. 2;
FIG. 4 is a schematic cross-sectional view D-D of FIG. 3;
FIG. 5 is a schematic cross-sectional view B-B of FIG. 2;
FIG. 6 is an enlarged schematic rotational view of section C shown in FIG. 5;
FIG. 7 is a schematic cross-sectional view E-E shown in FIG. 6;
FIG. 8 is a schematic view of the structure of the absorption column shown in FIG. 1;
fig. 9 is a schematic structural view of the shower pipe and the main shower pipe shown in fig. 8.
The specific implementation mode is as follows:
as shown in fig. 1: the flue gas discharge port 60 is a flue gas discharge port generated by the combustion device, the flue gas discharge port 60 is connected with an electric valve 57, a booster fan 53 and a heat exchanger 52 through pipelines, the heat exchanger 52 is communicated with a flue gas inlet 41 on the side surface of the lower part of the absorption tower 50, and the flue gas can be pressurized and sent into the heat exchanger 52 through the booster fan 53 through the electric valve 57 and then enters the absorption tower 50.
A purified flue gas outlet 44 is arranged above the absorption tower 50, and the purified flue gas outlet 44 is communicated with a heat exchanger 52, a three-way electric valve 59 and a smoke outlet 62 through pipelines.
The cooling seawater outlet 61 of the combustion device is connected with the seawater pool 54 through a pipeline, and the cooling seawater outlet 61 is connected with the seawater pool 54 through a pipeline. The first seawater booster pump 55 and the second seawater booster pump 56 are connected in parallel, electric valves are communicated with two sides of the first seawater booster pump, an inlet of the seawater booster pump is connected with the seawater pool 54, and an outlet of the seawater booster pump is connected with a seawater inlet 63 on the side surface of the upper part of the absorption tower 50. The side surface of the lower part of the absorption tower 50 is provided with a seawater outlet 64, the seawater outlet 64 is connected with a wastewater inlet pipe 7 on an aeration tank 51, and a cooling seawater inlet 6 on the aeration tank 51 is communicated with a cooling seawater outlet 61.
The heat exchanger 52 can be a heat exchange rotary heat exchanger.
A pipeline is connected between the smoke exhaust 60 and the smoke exhaust 62, and two electric valves 58 are arranged.
As shown in fig. 8 and 9: the tower body 33 of the absorption tower 50 can be processed and manufactured by adopting a concrete structure. The tower body 33 is square, and can also be made into a round tower body. An inner lining of corrosion resistant material may be provided on the inner side wall of the tower 33. A horizontal supporting beam 46 is arranged above the flue gas inlet 41 in the tower body 33, the horizontal supporting beams 46 are arranged in parallel, the endheads of the horizontal supporting beams 46 are arranged on a lower boss 42 on the inner side of the tower body 33 in a lapping mode, a middle supporting beam 37 is arranged in the middle of the horizontal supporting beam 46 and connected with the horizontal supporting beam 46, and the two ends of the horizontal supporting beam are arranged on a boss on the inner side of the tower body 33 in a lapping. A lower grid 32 is placed above the horizontal support beam 46, the lower grid 32 is a block-shaped flat plate-shaped polypropylene grid with square holes, an upper grid 31 is arranged above the lower grid 32, and the upper grid 31 is a polypropylene grid with square holes, which is flat plate-shaped as a whole. Above the upper grid 31 is a packing layer 34, which is a packing ring with holes, preferably purchased in the form of a ring, and the packing layer 34 is a packing layer stacked with a certain thickness, which is generally determined to be 3.5 meters.
A spray pipe 43 with uniformly distributed water outlet holes is arranged above the packing layer 34, the end of the spray pipe 43 is arranged on an upper boss 45 at the inner side of the tower body 33, the middle of the spray pipe 43 is communicated with a main spray water pipe 38, and the main spray water pipe 38 is positioned and fixed on the middle supporting beam 37. A defogging layer 39 is arranged above the spray pipe 43, and the defogging layer 39 is a commercially available polypropylene flat plate type defogger. A plastic baffle 40 is arranged between the middle demisting layer 39 and the main spray water pipe 38.
As shown in fig. 2, 3, 4, 5, 6, 7: the tank body 1 is an aeration tank and is made of concrete. The left end of the pool body 1 is connected with a cooling seawater inlet 6, the right end is connected with a discharge outlet 8, a baffle 18 with a water inlet long hole 19 is transversely arranged at one end of the cooling water inlet 6 in the pool body 1, the left side of the baffle 18 forms a water distribution area 2, the right side of the baffle 18 forms a mixing area 16, and a wastewater inlet pipe 7 connected with a seawater outlet 64 is inserted into the mixing area 16. A blocking plate 15 is transversely arranged at one end of the discharge port 8 in the tank body 1 to form a discharge area 5. Partition plates 14 are longitudinally and uniformly distributed between the internal baffle plates 15 and the baffle plates 18 in the tank body 1, aeration pipes 9 are longitudinally and fixedly distributed above the partition plates 14, branch pipes 11 communicated with the aeration pipes 9 are positioned at two sides of the partition plates 14, and the bottom ends of the branch pipes are connected with square pipe-shaped aeration heads 12 with air outlet holes 13, so that an aeration zone 3 is formed in the tank body 1. The blower 10 is fixed above the left end of the tank body 1 by bolts, the outlet of the blower 10 is connected with a gas distribution chamber 17 above the left end of the tank body 1, and the gas distribution chamber 17 is communicated with the aeration pipe 9.
The electric valves can also adopt other valves instead of manual valves and the like.
When the device is operated, the electric valves 57, 59 and the electric valves on the pipelines of the first seawater booster pump 55 and the second seawater booster pump 56 are opened, the two electric valves 58 are closed, the flue gas generated by the combustion device enters the lower part of the inner cavity of the absorption tower 50 from the electric valve 57, the booster fan 53, the heat exchanger 52 and the flue gas inlet 41, rises in the absorption tower 50, passes through the lower layer grating 32, the upper layer grating 31 and the packing layer 34, and simultaneously, the seawater entering the seawater pool 54 from the cooling seawater discharge port 61 passes through the first seawater pool 54The seawater booster pump55 and the second seawater booster pump 56 are sequentially sent into the seawater inlet 63, the main spraying water pipe 38 and the spraying pipe 43 to spray downwards, the seawater and the flue gas are fully mixed, and acidic substances in the flue gas and alkaline seawater are subjected to neutralization reaction, wherein the main reaction is as follows: . The neutralized purified flue gas enters the chimney through the purified flue gas outlet 44, the heat exchanger 52, the three-way electric valve 59 and the smoke outlet 62 to be discharged. The sprayed seawater enters the mixing area 16 in the aeration tank 51 from the seawater outlet 64 and the wastewater inlet pipe 7, the seawater entering the water distribution area 2 from the cooling seawater inlet 6 is mixed with the wastewater in the mixing area 16 through the water inlet 19, meanwhile, the fan 10 sends air to the air distribution chamber 17, the aeration pipe 9, the branch pipe 11 and the aeration head 12, and the air is mixed with the mixed seawater from the air outlet 13, so that the seawater oxidation is recovered, and the main reaction is as follows: and the wastewater reaches the discharge standard and is discharged into the sea.
Claims (10)
1. A system for desulfurization treatment of flue gases generated by industrial combustion plants, comprising an absorption tower (50) having a flue gas inlet (41) below and a clean flue gas outlet (44) above, characterized in that: the device comprises a flue gas inlet (41), a flue gas discharge outlet (60), a clean flue gas outlet (44) and a smoke discharge outlet (62), a cooling seawater discharge outlet (61) is communicated with a seawater inlet (63) above an absorption tower (50) through a first seawater booster pump (55), a seawater outlet (64) below the absorption tower (50) is communicated with a wastewater inlet pipe (7) on an aeration tank (51), the cooling seawater discharge outlet (61) is communicated with a cooling seawater inlet (6) on the aeration tank (51), the absorption tower (50) comprises a tower body (33), a packing layer (34) is supported above the flue gas inlet (41) in the tower body (33), a spray pipe (43) communicated with the seawater inlet (63) is arranged above the packing layer (34), a mist removing layer (39) is arranged above the spray pipe (43), the aeration tank (51) comprises a tank body (1), and a water distribution area (2) and a mixing area which are communicated with the cooling seawater inlet (6) are arranged at one end of the tank body (1) 16) The waste water inlet pipe (7) is inserted into the mixing zone (16), the other end of the tank body (1) is provided with a discharge port (8), and an aeration head (12) which is communicated with the fan (10) and is provided with an air outlet hole (13) is arranged between the discharge port (8) and the mixing zone (16).
2. The system for desulfurization treatment of flue gas generated by industrial combustion device according to claim 1, characterized in that: a heat exchanger (52) and a booster fan (53) are connected between the flue gas inlet (41) and the flue gas outlet (60), and the heat exchanger (52) is simultaneously positioned on a pipeline between the purified flue gas outlet (44) and the smoke outlet (62).
3. The system for desulfurization treatment of flue gas generated by industrial combustion device according to claim 2, characterized in that: the first seawater booster pump (55) is connected with a second seawater booster pump (56) in parallel, and a seawater pool (54) is arranged between the cooling seawater discharge port (61) and the first seawater booster pump (55) and the second seawater booster pump (56).
4. The system for desulfurization treatment of flue gas generated by industrial combustion device according to claim 3, characterized in that: the seawater heat pump is characterized in that valves are arranged on two sides of the first seawater booster pump (55) and the second seawater booster pump (56), at the inlet end of the booster fan (53), between the heat exchanger (52) and the smoke outlet (62), and a pipeline is arranged between the smoke outlet (60) and the smoke outlet (62) and is communicated with the smoke outlet and provided with the valves.
5. The system for desulfurization treatment of flue gas generated by industrial combustion unit according to claim 4, characterized in that: the filler layer (34) is arranged on the upper layer grid (31), the upper layer grid (31) is arranged on the horizontal supporting beam (46), and two ends of the horizontal supporting beam (46) are arranged on the lower lug boss (42) on the inner side wall of the tower body (33).
6. The system for desulfurization treatment of flue gas generated by industrial combustion unit according to claim 5, characterized in that: and a lower layer grid (32) is arranged between the upper layer grid (31) and the horizontal support beam (46).
7. The system for desulfurization treatment of flue gas generated by industrial combustion unit according to claim 6, characterized in that: the two ends of the spray pipe (43) are arranged on an upper boss (45) on the inner side wall of the tower body (33), the middle of the spray pipe (43) is communicated with a main spray water pipe (38) connected with the seawater inlet (63), the main spray pipe (38) is fixed on a middle supporting beam (37), the middlesupporting beam (37) is connected with a horizontal supporting beam (46), and the two ends of the middle supporting beam are arranged on the boss on the inner side wall of the tower body (33).
8. The system for desulfurization treatment of flue gas generated by industrial combustion unit according to claim 7, characterized in that: the defogging layer (39) is a polypropylene flat plate type defogger.
9. The system for desulfurization treatment of flue gas generated from industrial combustion device according to any one of claims 1 to 8, characterized in that: cell body (1) in be located discharge port (8) one end and be equipped with barrier plate (15) and form and discharge district (5), vertically be equipped with between mixing area (16) and discharge district (5) baffle (14), the higher authority department of baffle (14) is equipped with aeration pipe (9) with fan (10) intercommunication, aeration pipe (9) with be located branch pipe (11) intercommunication of baffle (14) side, aeration head (12) be linked together and the equidistant interval of level set up the bottom in cell body (1) with branch pipe (11).
10. The system for desulfurization treatment of flue gas generated by industrial combustion device according to claim 9, characterized in that: the inner side of the pool body (1) is provided with a bypass area (4) communicated with the water distribution area (2) and the discharge area (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100988045A CN100488603C (en) | 2006-07-11 | 2006-07-11 | Desulfurizing system for treating smoke produced from industrial burning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100988045A CN100488603C (en) | 2006-07-11 | 2006-07-11 | Desulfurizing system for treating smoke produced from industrial burning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1899676A true CN1899676A (en) | 2007-01-24 |
| CN100488603C CN100488603C (en) | 2009-05-20 |
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ID=37655778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100988045A Active CN100488603C (en) | 2006-07-11 | 2006-07-11 | Desulfurizing system for treating smoke produced from industrial burning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100488603C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143299B (en) * | 2007-07-03 | 2010-06-23 | 杨东 | Deuslfurizing system for sea water |
| CN104383797A (en) * | 2014-12-02 | 2015-03-04 | 成都华西堂投资有限公司 | Dry-wet purifying recovery treatment process of smoke gas |
| CN105300751A (en) * | 2014-07-16 | 2016-02-03 | 鞍钢股份有限公司 | Pretreatment system and method before detection of chemical oxygen demand of wastewater |
-
2006
- 2006-07-11 CN CNB2006100988045A patent/CN100488603C/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143299B (en) * | 2007-07-03 | 2010-06-23 | 杨东 | Deuslfurizing system for sea water |
| CN105300751A (en) * | 2014-07-16 | 2016-02-03 | 鞍钢股份有限公司 | Pretreatment system and method before detection of chemical oxygen demand of wastewater |
| CN105300751B (en) * | 2014-07-16 | 2018-02-27 | 鞍钢股份有限公司 | Pretreatment system and method before detection of chemical oxygen demand of wastewater |
| CN104383797A (en) * | 2014-12-02 | 2015-03-04 | 成都华西堂投资有限公司 | Dry-wet purifying recovery treatment process of smoke gas |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100488603C (en) | 2009-05-20 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Longyuan Environment Protection Engineering Co., Ltd. Assignor: Yang Dong|Chen Yule| He Qiang Contract record no.: 2011990000603 Denomination of invention: Desulfurizing system for treating smoke produced from industrial burning device Granted publication date: 20090520 License type: Exclusive License Open date: 20070124 Record date: 20110712 |
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Assignee: Beijing Longyuan Environment Protection Engineering Co., Ltd. Assignor: Yang Dong|Chen Yule|He Qiang Contract record no.: 2011990000603 Date of cancellation: 20160830 |
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Application publication date: 20070124 Assignee: Beijing Longyuan Environment Protection Engineering Co., Ltd. Assignor: Chen Ying|He Qiang|Wang Xiaoli|Yang Dong|Chen Yule Contract record no.: 2016990000371 Denomination of invention: Desulfurizing system for treating smoke produced from industrial burning device Granted publication date: 20090520 License type: Exclusive License Record date: 20160902 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20170425 Address after: 100044, Beijing City, Xicheng District, the main street car No. five building, B2-9 floor, building 9 Co-patentee after: Chen Yule Patentee after: Yang Dong Co-patentee after: He Qiang Co-patentee after: Beijing Longyuan Environment Protection Engineering Co., Ltd. Address before: 100044, Beijing City, Xicheng District, the main street car No. five building, B2-9 floor, building 9 Co-patentee before: Chen Yule Patentee before: Yang Dong Co-patentee before: He Qiang |