CN205340558U - Flue gas containing sulphur dry powder absorbent sprays desulphurization unit - Google Patents
Flue gas containing sulphur dry powder absorbent sprays desulphurization unit Download PDFInfo
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- CN205340558U CN205340558U CN201620002576.6U CN201620002576U CN205340558U CN 205340558 U CN205340558 U CN 205340558U CN 201620002576 U CN201620002576 U CN 201620002576U CN 205340558 U CN205340558 U CN 205340558U
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Abstract
The utility model discloses a flue gas containing sulphur dry powder absorbent sprays desulphurization unit, it includes the coal -burning installation, be equipped with injection apparatus and automatic control system device on the furnace body that the coal -burning installation includes, injection apparatus includes absorbent storage storehouse and high pressure positive blower, be equipped with automatically controlled batcher on it between absorbent storage storehouse and the absorbent actuating device that is connected with, be connected with the wind channel between absorbent actuating device and automatically controlled batcher and the high pressure positive blower respectively, still be connected with automatically controlled valve on the high pressure positive blower, all be equipped with the wind channel of automatically controlled valve on the furnace body between a plurality of dry powder absorbent injection apparatus that are equipped with and the automatically controlled valve, all be equipped with the one end of dry powder absorbent conveyer pipe on the dry powder absorbent injection apparatus, be equipped with the automatically controlled valve of absorbent between the other end of dry powder absorbent conveyer pipe and the absorbent actuating device respectively. The utility model has the advantages of the reaction temperature is high, can control the dry powder input amount at any time, and the working costs is low, and the desulfurization is efficient.
Description
Technical field
This utility model relates to technical field of environment protection equipment, particularly relates to a kind of sulfur dioxide for removing in flue gas and reaches the sulfur-containing smoke gas dry powder sorbent injection desulfurizer of clean emission.
Background technology
The pollution problem of environment is increasingly valued by the people by the coal-fired sulfur dioxide produced, and in coal-fired process, desulfurization is the most effective approach reducing now sulfur dioxide pollution.At present, domestic and international desulfurization technology is more, and most widely used desulfurization technology adopts limestone desulfurization exactly, is roughly divided into dry method, wet method and in-furnace calcium spraying method.Wherein dry method is to be sprayed into by calcium oxide in the flue gas of 200 ° of below C, and it is low that this method has equipment investment, without the free from corrosion advantage of waste water, but also exist when reaction temperature is low, desulfuration efficiency reduces, and causes the shortcoming that operating cost increases, for this in the less use of practical application；Wet method is to rinse the flue gas of 200 ° of below C with aqueous alkali or limestone slurry, and desulfuration efficiency is higher, but equipment investment is big, it is complicated to run, operating cost is high, is the more method of practical application；In-furnace calcium spraying method is limestone to be injected directly into burner hearth or mixes in proportion in the existing desulfurization of fuel interior-excess, but because limestone straying quatity cannot support control, what use except CFBB is less.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art to provide a kind of reaction temperature height, can control dry powder input amount at any time, and small investment, operating cost is low, the sulfur-containing smoke gas dry powder sorbent injection desulfurizer that desulfuration efficiency is higher.
The purpose of this utility model is achieved in that it includes coal-burning installation, coal-burning installation includes body of heater and chimney, the flue being provided with between body of heater and chimney, described body of heater is provided with injection apparatus and automatic control system device, described injection apparatus includes absorbent storage silo and high pressure positive blower, absorbent storage silo is connected to absorbent and activates device, absorbent storage silo and absorbent activate and are provided with automatically controlled batcher between device, absorbent activates and is connected to the first air channel and the second air channel between device and automatically controlled batcher and high pressure positive blower, high pressure positive blower is also associated with the 3rd air channel electrically-controlled valve, described body of heater is provided with multiple dry powder sorbent injection device, it is equipped with the 3rd air channel between each dry powder sorbent injection device and the 3rd air channel electrically-controlled valve, it is connected on each dry powder sorbent injection device in the 3rd air channel to be equipped with one end of dry powder absorbent conveying pipe, the other end of each dry powder absorbent conveying pipe and absorbent activate and are respectively equipped with absorbent electrically-controlled valve between device, described flue is provided with cleaner unit, flue between cleaner unit and chimney is provided with sulfur dioxide monitor, the first described air channel and the second air channel are respectively equipped with the first air channel electrically-controlled valve and the second air channel electrically-controlled valve.
Described high pressure positive blower, the first air channel electrically-controlled valve, the second air channel electrically-controlled valve, the 3rd air channel electrically-controlled valve, automatically controlled batcher, absorbent electrically-controlled valve, sulfur dioxide monitor, cleaner unit, between dry powder sorbent injection device and automatic control system device, it is respectively equipped with electric connection line.
Owing to adopting technique scheme, the sulfur-containing smoke gas dry powder sorbent injection desulfurizer that this utility model provides has the advantage that simple in construction, and reaction temperature is high, can control dry powder input amount, small investment at any time, and operating cost is low, and desulfuration efficiency is higher.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In the drawings, 1, body of heater, 2, chimney, 3, flue, 4, automatic control system device, 5, absorbent storage silo, 6, high pressure positive blower, 7, absorbent activates device, 8, automatically controlled batcher, 9, first air channel, 10, second air channel, 11, 3rd air channel electrically-controlled valve, 12, dry powder sorbent injection device, 13, 3rd air channel, 14, dry powder absorbent conveying pipe, 15, absorbent electrically-controlled valve, 16, cleaner unit, 17, sulfur dioxide monitor, 18, first air channel electrically-controlled valve, 19, second air channel electrically-controlled valve, 20, sulfur-containing smoke gas, 21, by the flue gas after sorbent injection.
Detailed description of the invention
As shown in Figure 1, the sulfur-containing smoke gas dry powder sorbent injection desulfurizer that this utility model provides includes coal-burning installation, coal-burning installation includes body of heater 1 and chimney 2, the flue 3 being provided with between body of heater 1 and chimney 2, described body of heater 1 is provided with injection apparatus and automatic control system device 4, described injection apparatus includes absorbent storage silo 5 and high pressure positive blower 6, absorbent storage silo 5 is connected to absorbent and activates device 7, absorbent storage silo 5 and absorbent activate and are provided with automatically controlled batcher 8 between device 7, absorbent activates and is connected to the first air channel 9 and the second air channel 10 between device 7 and automatically controlled batcher 8 and high pressure positive blower 6, high pressure positive blower 6 is also associated with the 3rd air channel electrically-controlled valve 11, described body of heater 1 is provided with multiple dry powder sorbent injection device 12, dry powder sorbent injection device 12 is located at cigarette temperature on the body of heater plane domain of 450 ~ 1000 ° of C, and the spray angle of dry powder sorbent injection device and mainstream smoke are to forming 35 ~ 55 ° of angles.It is equipped with the 3rd air channel 13 between each dry powder sorbent injection device and the 3rd air channel electrically-controlled valve 11, it is connected on each dry powder sorbent injection device in the 3rd air channel to be equipped with one end of dry powder absorbent conveying pipe 14, the other end of each dry powder absorbent conveying pipe and absorbent activate and are equipped with absorbent electrically-controlled valve 15 between device, described flue 3 is provided with cleaner unit 16, flue 3 between cleaner unit 16 and chimney 2 is provided with sulfur dioxide monitor 17, the first described air channel 9 and the second air channel 10 are respectively equipped with the first air channel electrically-controlled valve 18 and the second air channel electrically-controlled valve 19, described high pressure positive blower 6, first air channel electrically-controlled valve 18, second air channel electrically-controlled valve 19, 3rd air channel electrically-controlled valve 11, automatically controlled batcher 8, absorbent electrically-controlled valve 15, sulfur dioxide monitor 17, cleaner unit 16, it is respectively equipped with electric connection line between dry powder sorbent injection device 12 and automatic control system device 4.
Time specifically used, burning boiler runs, the body of heater plane domain cigarette temperature being provided with dry powder sorbent injection device 12 is made to reach 450 ~ 1000 ° of C, open automatic control system device 4, it is stored in the dry powder (being mainly composed of calcium oxide or magnesium oxide) of absorbent storage silo 5 under the second air channel 10 effect through automatically controlled batcher 8, under the first air channel 9 effect, flow through at a high speed the absorbent with the dizzy charging zone of high-pressure electrostatic activate device 7, obtain powerful electrostatic charge be activated (usually negative charge) improve the dry powder absorbent of activity, dry powder sorbent injection hole, bottom 12 by absorbent electrically-controlled valve 15 to dry powder absorbent conveying pipe 14, high pressure in air channel 13 blows with mainstream smoke to becoming 35 ~ 55 ° of angles to spray in uptake zone, dry powder forms sulfate with sulfur-containing smoke gas 20 reaction and passes through flue, in flue, the most of sulfate product in flue gas is removed by cleaner unit 16, discharge through chimney 2 after being surveyed concentration by the flue gas 21 after sorbent injection by sulfur dioxide monitor 17.First air channel 9 and first air channel electrically-controlled valve the 18, second air channel 10 and the second air channel electrically-controlled valve the 19, the 3rd air channel 13 and the 3rd air channel electrically-controlled valve 11, absorbent electrically-controlled valve 15, automatically controlled batcher 8, dry powder sorbent injection device 12 are all according to the parameter of sulfur dioxide monitor 17 transmission, realize opening and closing the adjustment with quantity by robot control system(RCS) device 4, to save desulfurization operation expense.Body of heater can be coal-burning boiler or stove.
In course of injection, the throwing amount of dry powder absorbent is the SO detected through sulfur dioxide monitor 172The rotating speed that concentration change trend is controlled automatically controlled batcher 8 by automatic control system device 4 is determined, ascendant trend dosage, downward trend is decrement then.A certain amount of absorbent activates the high-pressure electrostatic dizzy charging zone absorbent of device 7 and obtains powerful electrostatic charge and be activated (usually negative charge) flowing through at a high speed absorbent under the second air channel 10 effect, each dry powder absorbent conveying pipe 14 is entered under the first air channel 9 effect, under the 3rd air channel 13 effect, it is ejected in flue gas stream by dry powder sorbent injection device 12 at different optimization positions.Due to the absorbent granules all band same symbol electric charges being activated, thus mutually exclusive, quickly spread in flue gas, form uniform suspended state, the surface making each superabsorbent particles is sufficiently exposed in flue gas, is greatly increased with sulfur-containing smoke gas complete reaction chance, thus improve desulfuration efficiency.Sulfur-containing smoke gas furnace outlet flows to cigarette temperature along high-temperature flue gas and arranges spray site within the scope of 450 ~ 1000 ° of C, spray angle with mainstream smoke to becoming 35 ~ 55 ° of angles to be greatly improved desulfuration efficiency.Spraying operation can be implemented during stove running clearance.The dry powder sorbent injection device that spray site megadyne temperature degree is not controlled by automatic control system device 4 when the sulfur dioxide concentration that 450 ~ 1000 ° of C scopes or sulfur dioxide monitor detect is lower than desulfurization concentration range is automatically stopped, and temperature is at 450 ~ 1000 ° of C, and some position when reaching sulfur dioxide concentration desulfurization scope restarts spraying operation again.
Claims (2)
1. a sulfur-containing smoke gas dry powder sorbent injection desulfurizer, including coal-burning installation, coal-burning installation includes body of heater and chimney, the flue being provided with between body of heater and chimney, it is characterized in that, described body of heater is provided with injection apparatus and automatic control system device, described injection apparatus includes absorbent storage silo and high pressure positive blower, absorbent storage silo is connected to absorbent and activates device, absorbent storage silo and absorbent activate and are provided with automatically controlled batcher between device, absorbent activates and is connected to the first air channel and the second air channel between device and automatically controlled batcher and high pressure positive blower, high pressure positive blower is also associated with the 3rd air channel electrically-controlled valve, described body of heater is provided with multiple dry powder sorbent injection device, it is equipped with the 3rd air channel between each dry powder sorbent injection device and the 3rd air channel electrically-controlled valve, it is connected on each dry powder sorbent injection device in the 3rd air channel to be equipped with one end of dry powder absorbent conveying pipe, the other end of each dry powder absorbent conveying pipe and absorbent activate and are respectively equipped with absorbent electrically-controlled valve between device, described flue is provided with cleaner unit, flue between cleaner unit and chimney is provided with sulfur dioxide monitor, the first described air channel and the second air channel are respectively equipped with the first air channel electrically-controlled valve and the second air channel electrically-controlled valve.
2. sulfur-containing smoke gas dry powder sorbent injection desulfurizer according to claim 1, it is characterized in that, described high pressure positive blower, the first air channel electrically-controlled valve, the second air channel electrically-controlled valve, the 3rd air channel electrically-controlled valve, automatically controlled batcher, absorbent electrically-controlled valve, sulfur dioxide monitor, cleaner unit, between dry powder sorbent injection device and automatic control system device, be respectively equipped with electric connection line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620002576.6U CN205340558U (en) | 2016-01-05 | 2016-01-05 | Flue gas containing sulphur dry powder absorbent sprays desulphurization unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620002576.6U CN205340558U (en) | 2016-01-05 | 2016-01-05 | Flue gas containing sulphur dry powder absorbent sprays desulphurization unit |
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| Publication Number | Publication Date |
|---|---|
| CN205340558U true CN205340558U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620002576.6U Expired - Fee Related CN205340558U (en) | 2016-01-05 | 2016-01-05 | Flue gas containing sulphur dry powder absorbent sprays desulphurization unit |
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| CN (1) | CN205340558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109647148A (en) * | 2019-02-28 | 2019-04-19 | 兖矿集团有限公司 | A kind of circulating fluidized bed boiler flue gas desulphurization system and its processing method |
-
2016
- 2016-01-05 CN CN201620002576.6U patent/CN205340558U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109647148A (en) * | 2019-02-28 | 2019-04-19 | 兖矿集团有限公司 | A kind of circulating fluidized bed boiler flue gas desulphurization system and its processing method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20170105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |