CN209188469U - A kind of energy saving smoke desulfuring and denitrifying apparatus - Google Patents
A kind of energy saving smoke desulfuring and denitrifying apparatus Download PDFInfo
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- CN209188469U CN209188469U CN201821641476.3U CN201821641476U CN209188469U CN 209188469 U CN209188469 U CN 209188469U CN 201821641476 U CN201821641476 U CN 201821641476U CN 209188469 U CN209188469 U CN 209188469U
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- desulfurizer
- smoke
- absorbent
- energy saving
- flue gas
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Abstract
The utility model discloses a kind of energy saving smoke desulfuring and denitrifying apparatus, it is related to desulphurization denitration technical field, including smoke conveying duct, desulfurizer and denitrification apparatus, the air inlet of the desulfurizer is connected by smoke conveying duct with flue gas input pipe, the gas outlet of the desulfurizer is connected by smoke conveying duct with the air inlet of denitrification apparatus, the desulfurizer includes desulfurization chamber and absorbent humidifier, electron beam generating apparatus is provided at the top of the desulfurization chamber, the absorbent humidifier includes absorbent storage bin, spray pipe is connected on the absorbent storage bin, the end of the spray pipe extends in desulfurization chamber and connect with spray head；The denitrification apparatus includes denitration chamber, and ammonia-gas spraying device and catalytic reactor are provided in the denitration chamber.The utility model operating cost body, desulfuration efficiency are high.
Description
Technical field
The utility model relates to desulphurization denitration technical fields, more particularly to a kind of energy saving smoke desulfuring and denitrifying apparatus.
Background technique
Coal burning produces a large amount of sulfur dioxide and nitrogen oxides, seriously affects people's health.
The method of desulphurization denitration is many kinds of at present, and most widely used in the method for denitration is selective catalytic reduction
Method, removal efficiency reach 90% or more.And sulfur method mainly has wet process, dry method and semidry method.Wet desulfurizing process mainly has stone
Lime stone/gypsum, ammonia process, magnesium processes, Sea water respiratory distress syndrome etc..Although wet desulphurization desulfurization degree is high, there are a series of problems, examples
It such as wet desulfurization system complexity, takes up a large area, equipment seriously corroded, and a large amount of waste liquids generated are difficult to handle, and are easy to make
At secondary pollution etc., operating cost is high.And dry method and semi-dry desulphurization it is existing take up little area, to invest operating cost low, pollution-free etc.
Feature, therefore be concerned.But higher standard is not achieved in the desulfurization degree of existing dry desulfurization and semi-dry desulphurization.
Utility model content
It is de- to provide a kind of energy saving smoke for the shortcomings that technical problem to be solved in the utility model is, overcomes the prior art
Sulphur denitrification apparatus.
In order to solve the above technical problems, the technical solution of the utility model is as follows:
A kind of energy saving smoke desulfuring and denitrifying apparatus, including smoke conveying duct, desulfurizer and denitrification apparatus, it is described de-
The air inlet of sulphur device is connected by smoke conveying duct with flue gas input pipe, and the gas outlet of the desulfurizer is defeated by flue gas
Pipeline is sent to be connected with the air inlet of denitrification apparatus, the desulfurizer includes desulfurization chamber and absorbent humidifier, the desulfurization
Electron beam generating apparatus is provided at the top of room, the absorbent humidifier includes absorbent storage bin, the absorbent storage
It deposits and is connected with spray pipe on case, the end of the spray pipe extends in desulfurization chamber and connect with spray head；The denitrification apparatus
Including denitration chamber, ammonia-gas spraying device and catalytic reactor are provided in the denitration chamber.
Further, spray pipe has four, and the injection direction of the adjacent spray head of any two is orthogonal, and four spray heads
Injection direction surround a square.
A kind of preceding energy saving smoke desulfuring and denitrifying apparatus is provided with activated carbon adsorption at the gas outlet of desulfurizer
Net.
A kind of preceding energy saving smoke desulfuring and denitrifying apparatus, the cigarette between the gas outlet and flue gas input pipe of desulfurizer
Fume dust remover is provided on letter shoot road, fume dust remover includes the filter screen being arranged in smoke conveying duct.
A kind of preceding energy saving smoke desulfuring and denitrifying apparatus, absorbent is milk of lime.
The beneficial effects of the utility model are:
(1) the utility model combines dry desulfurization with semi-dry desulphurization, is sprayed milk of lime absorbent using spray head,
Superfine small misty liquid droplets are dispersed into, form biggish contact surface area with flue gas, to absorb the sulphur in flue gas, generate easily place
The dry state CaSO of reason will not cause equipment to corrode and block；Meanwhile the electron beam generating apparatus in desulfurization chamber can generate high energy
Electron beam, irradiate flue gas, generate a large amount of active material, by flue gas sulfur dioxide and nitrogen oxides at sulfur trioxide
And nitrogen dioxide, further product are absorbed agent absorption, effectively improve desulfurization degree；
(2) when moisture-free in flue gas, electron beam irradiation can hardly remove sulfur dioxide, in addition, with flue gas temperature
The clearance rate of the reduction of degree, sulfur dioxide can improve, and the absorbent misty liquid droplets that spray head sprays in the utility model connect with flue gas
The humidity of flue gas not only can be improved in touching, but also can reduce the temperature of flue gas, to improve the clearance rate of sulfur dioxide, improves
Desulfurization degree；
(3) the utility model is provided with activated carbon adsorption net at the gas outlet of desulfurizer, and activated carbon adsorption net can be inhaled
Annex II sulfur oxide simultaneously makes it be catalytically oxidized to sulfur trioxide, then reacts with water and generate H2SO4, both can further slough in flue gas
Sulfur dioxide, Sulphur ressource can also be recycled；
(4) four spray pipes are provided in the utility model, the injection direction of two adjacent spray heads is orthogonal, and four
A spray head simultaneously by spraying when will form an annular cyclone, thus make flue gas with mist absorbent be sufficiently mixed, increase cigarette
The contact area and time of contact of gas and absorbent, to improve the desulfurization degree of flue gas；
(5) the utility model is additionally provided with fume dust remover in smoke conveying duct, by filter screen first to flue gas
In dust impurity be filtered, convenient for it is subsequent to flue gas carry out desulphurization denitration processing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Wherein: 1, smoke conveying duct；2, desulfurization chamber；3, electron beam generating apparatus；4, absorbent storage bin；5, injection spray pipe
Road；6, spray head；7, ammonia-gas spraying device；8, catalytic reactor；9, activated carbon adsorption net；10, filter screen；11, flue gas input pipe；12,
Denitration chamber.
Specific embodiment
To make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached
Figure, makes further details of explanation to the utility model.
A kind of energy saving smoke desulfuring and denitrifying apparatus is present embodiments provided, as shown in Figure 1, including smoke conveying duct 1, de-
Sulphur device and denitrification apparatus.
Flue gas input pipe 11 is connect by smoke conveying duct 1 with the air inlet of desulfurization chamber 2.In the smoke conveying duct 1
In be additionally provided with filter screen 10, the dust impurity in flue gas can be effectively removed, convenient for subsequent flue gas desulfurization and denitrification handle.
Absorbent storage bin 4 is installed in 2 side of desulfurization chamber, internal reservoir has milk of lime.Connect on absorbent storage bin 4
Four spray pipes 5 are connected to, this four spray pipes 5 extend to desulfurization from the upper end, lower end, left and right side of desulfurization chamber 2 respectively
In room 2.The injection direction of two adjacent spray heads 6 is orthogonal, and the injection direction of four spray heads 6 surrounds a square.
Four spray heads 6 simultaneously by spraying when will form an annular cyclone.The injection direction of four spray heads 6 is respectively positioned on this annular cyclone
The tangential direction of place circle.After flue gas enters desulfurization chamber 2, since the absorbent that four spray heads 6 spray generates annular cyclone by spraying,
Make flue gas with annular cyclonic motion, to increase contact area and the time of contact of flue gas and absorbent, improves flue gas
Desulfurization degree.
Top in desulfurization chamber 2 is equipped with electron beam generating apparatus 3, and electron beam generating apparatus 3 includes DC high-voltage
Source and electron beam accelerating tube, are connected with high-tension cable between the two.The high electron beam irradiation that electron beam generating apparatus 3 emits exists
On flue gas, generate a large amount of active material, by flue gas sulfur dioxide and nitrogen oxides at sulfur trioxide and titanium dioxide
Nitrogen further generates H2SO4, is then absorbed by milk of lime.
In addition, the humidity of flue gas not only can be improved in misty absorbent, but also can drop when spray head 6 generates absorbent by spraying
The temperature of low flue gas, so that high-power electron beam be made to improve the desulfurization degree of flue gas.
The gas outlet of desulfurization chamber 2 is connected to by smoke conveying duct 1 with the air inlet of denitration chamber 12.In going out for desulfurization chamber 2
Activated carbon adsorption net 9 is also equipped at port, adsorbable sulfur dioxide simultaneously makes it be catalytically oxidized to sulfur trioxide.
Ammonia-gas spraying device 7 is installed in denitration chamber 12, ammonia-gas spraying device 7 includes ammonia storage bin, is connected on ammonia storage bin
It is connected to spray ammonia pipe, spray ammonia pipe passes through 12 side wall of denitration chamber and extends in denitration chamber 12 and connect with ammonia nozzle.In denitration chamber 12
Catalytic reactor 8 is also equipped with below ammonia nozzle, the catalyst in catalytic reactor 8 is V/TiO2.In catalyst
Under the action of, the oxynitrides in flue gas is selectively reacted with ammonia, nitrogen and water is generated, to slough the nitrogen in flue gas
Oxygen compound.Flue gas after completing denitration process is discharged from the gas outlet of denitration chamber 12.
In addition to the implementation, the utility model can also have other embodiments；It is all to use equivalent replacement or equivalent change
The technical solution to be formed is changed, the protection scope of the requires of the utility model is all fallen within.
Claims (5)
1. a kind of energy saving smoke desulfuring and denitrifying apparatus, including smoke conveying duct (1), desulfurizer and denitrification apparatus, described
The air inlet of desulfurizer is connected by smoke conveying duct (1) with flue gas input pipe (11), the gas outlet of the desulfurizer
It is connected by smoke conveying duct (1) with the air inlet of denitrification apparatus, it is characterised in that:
The desulfurizer includes desulfurization chamber (2) and absorbent humidifier, is provided with electron beam at the top of the desulfurization chamber (2)
Generating device (3), the absorbent humidifier include absorbent storage bin (4), are connected on the absorbent storage bin (4)
Spray pipe (5), the end of the spray pipe (5) extend in desulfurization chamber (2) and connect with spray head (6)；
The denitrification apparatus includes denitration chamber (12), and ammonia-gas spraying device (7) and catalysis reaction are provided in the denitration chamber (12)
Device (8).
2. a kind of energy saving smoke desulfuring and denitrifying apparatus according to claim 1, it is characterised in that: the spray pipe (5)
There are four, the injection direction of the adjacent spray head of any two (6) is orthogonal, and the injection direction of four spray heads (6) surrounds
One square.
3. a kind of energy saving smoke desulfuring and denitrifying apparatus according to claim 1, it is characterised in that: the desulfurizer goes out
Activated carbon adsorption net (9) are provided at port.
4. a kind of energy saving smoke desulfuring and denitrifying apparatus according to claim 1, it is characterised in that: the desulfurizer goes out
Fume dust remover, the flue gas ash removal dress are provided on smoke conveying duct (1) between port and flue gas input pipe (11)
Set the filter screen (10) including being arranged in smoke conveying duct (1).
5. a kind of energy saving smoke desulfuring and denitrifying apparatus according to claim 1, it is characterised in that: the absorbent is lime
Cream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821641476.3U CN209188469U (en) | 2018-10-10 | 2018-10-10 | A kind of energy saving smoke desulfuring and denitrifying apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821641476.3U CN209188469U (en) | 2018-10-10 | 2018-10-10 | A kind of energy saving smoke desulfuring and denitrifying apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN209188469U true CN209188469U (en) | 2019-08-02 |
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ID=67407548
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| CN201821641476.3U Active CN209188469U (en) | 2018-10-10 | 2018-10-10 | A kind of energy saving smoke desulfuring and denitrifying apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114931817A (en) * | 2022-07-20 | 2022-08-23 | 汕头中圣科营热电有限公司 | Water curtain type dust removal, desulfurization and denitrification device and denitrification method for flue gas of coal-fired boiler |
-
2018
- 2018-10-10 CN CN201821641476.3U patent/CN209188469U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114931817A (en) * | 2022-07-20 | 2022-08-23 | 汕头中圣科营热电有限公司 | Water curtain type dust removal, desulfurization and denitrification device and denitrification method for flue gas of coal-fired boiler |
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