CN207371334U - A kind of high efficiency equipment for denitrifying flue gas - Google Patents
A kind of high efficiency equipment for denitrifying flue gas Download PDFInfo
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- CN207371334U CN207371334U CN201721186392.0U CN201721186392U CN207371334U CN 207371334 U CN207371334 U CN 207371334U CN 201721186392 U CN201721186392 U CN 201721186392U CN 207371334 U CN207371334 U CN 207371334U
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- denitration
- denitration tank
- flue gas
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Abstract
The utility model is related to gas denitration technology fields, and in particular to a kind of high efficiency equipment for denitrifying flue gas；Including level-one denitration tank and two level denitration tank；The top of level-one denitration tank left side wall is equipped with air inlet pipe, lower section in the middle part of air inlet pipe is equipped with drainage conduit, the contact site of drainage conduit and air inlet pipe is transversely provided with baffle, left part inside level-one denitration tank is equipped with partition plate, the bottom of level-one denitration tank is equipped with motor, and the top of motor is equipped with paddle, and the top of paddle is equipped with assisting agitating apparatus, level-one denitration tank is connected with two level denitration tank by conduit, and the inside of two level denitration tank is equipped with denitrfying agent bed and catalyst bed successively from top to bottom；The utility model is not only high to the denitration efficiency of flue gas；Solid particle in flue gas can also be separated with gas; it ensure that the denitration efficiency to flue gas; the solid particle that avoids in flue gas can remain in the generation of the internal phenomena of denitration tank simultaneously so that become fairly simple and conveniently when being cleaned to the inside of denitration tank.
Description
Technical field
The utility model is related to gas denitration technology fields, and in particular to a kind of high efficiency equipment for denitrifying flue gas.
Background technology
Flue gas is one of predominant emissions of steam power plant, and by combustible, burning generates in burner (i.e. boiler).By
Substantial amounts of nitrogen oxides NO is usually contained in flue gasxSuch as NO, if these nitrogen oxides are directly discharged in air, can cause
The very strong acid rain of corrosivity, therefore flue gas has to pass through denitrogenation (i.e. denitration) processing before discharge.
At present, with comparative maturity gas denitrifying technology there are mainly two types of：Selective catalytic reduction (SCR) denitrating technique
With selective non-catalytic reduction (SNCR) denitrating technique.The chemical principle of SCR and SNCR denitrating techniques is the same,
All it is by denitrfying agent (urea or ammonia) and smoke contacts, makes denitrfying agent and the NO in flue gasxMaking choice property reduction reaction is given birth to
Into nitrogen and vapor.
In the patent document of Patent No. 201020260006.X, a kind of flue gas denitrification equipment is disclosed, which takes off
Nitre equipment includes flue and the denitration agent feeding device being arranged in flue, which, which further includes, is arranged on flue
Interior denitrfying agent device for supplying and catalyst bed, the denitrfying agent device for supplying are located at the denitration agent feeding device and catalysis
Between agent bed.Flue gas denitrification equipment provided by the utility model can effectively reduce the NO in flue gasxContent so that after denitration
Flue gas can reach discharge standard.
Although above-mentioned patent document can carry out flue gas certain denitration process, it is low there are still denitration efficiency；In addition,
There may be granular solid in flue gas, these are secured into the efficiency that denitration can be not only influenced in denitration tank；Moreover, also can
Remain in the inside of denitration tank so that become cumbersome when being cleaned to the inside of denitration tank.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of high efficiency equipment for denitrifying flue gas, not only to flue gas
Denitration efficiency it is high；In addition, before denitration process is carried out to flue gas, moreover it is possible to which the solid particle in flue gas is separated with gas
Come, ensure that the denitration efficiency to flue gas, while avoid the solid particle in flue gas to remain in the internal phenomena of denitration tank
Generation so that become fairly simple and conveniently when being cleaned to the inside of denitration tank.
The utility model is achieved by the following technical programs：
A kind of high efficiency equipment for denitrifying flue gas, including level-one denitration tank and two level denitration tank；On the left of the level-one denitration tank
The top of wall is equipped with air inlet pipe, and the lower section in the middle part of the air inlet pipe is equipped with the contact site of drainage conduit, the drainage conduit and air inlet pipe
Baffle is transversely provided with, the lower section of the baffle is equipped with fixed plate, is connected between the baffle and fixed plate by spring, described
The contact site of drainage conduit and air inlet pipe is longitudinally equipped with strainer, and the front end face of the strainer and the inner wall of the right part of the drainage conduit are total to
Line, the upper left side of the inside of the level-one denitration tank are equipped with spray head, and the left part inside the level-one denitration tank is equipped with partition plate, institute
The middle part for stating the bottom of level-one denitration tank is equipped with motor, and the top of the motor is equipped with paddle, is set above the paddle
There is assisting agitating apparatus, the assisting agitating apparatus includes connecting rod, rectangular box and paddle a, the rectangular box and passes through
Connecting rod is arranged on the paddle, and the paddle is rice font structure, and the paddle a is arranged on described by shaft
The inside of rectangular box is connected by conduit between the level-one denitration tank and two level denitration tank, is set in the middle part of the conduit
There is hothouse, the inside of the two level denitration tank is equipped with denitrfying agent bed and catalyst bed, the two level successively from top to bottom
The top of the right side wall of denitration tank is equipped with air outlet pipe, and the bottom of the level-one denitration tank and two level denitration tank is equipped with leg.
Preferably, the right side of the baffle is arranged on by hinged mode on the inner wall of the drainage conduit right part.
Preferably, the length value of the partition plate is equal to 0.9 times of the height value of the level-one denitration tank.
Preferably, the spray head is arranged between the inner wall of the left part of the partition plate and level-one denitration tank.
Preferably, the left part of the conduit is connected with the top of the right side wall of the level-one denitration tank, the conduit
Right part be connected with the lower part of the left side wall of the two level denitration tank.
Preferably, it is contained with quick lime in the hothouse.
Preferably, the air outlet pipe is equipped with valve.
The beneficial effects of the utility model are：
The utility model provides a kind of high efficiency equipment for denitrifying flue gas, not only high to the denitration efficiency of flue gas；In addition,
Before flue gas progress denitration process, moreover it is possible to the solid particle in flue gas is separated with gas, ensure that and flue gas is taken off
Nitre efficiency, while avoid the generation that the solid particle in flue gas can remain in the internal phenomena of denitration tank so as to denitration tank
Inside become fairly simple and conveniently when being cleaned.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the top view of paddle a in the utility model；
Fig. 3 is the top view of the partial structurtes of level-one denitration tank in the utility model；
Fig. 4 is the front view of assisting agitating apparatus in the utility model；
In figure：1- level-one denitrations tank, 2- two level denitrations tank, 3- air inlet pipe, 4- drainage conduits, 5- baffles, 6- fixed plates, 7- bullets
Spring, 8- strainers, 9- spray heads, 10- partition plates, 11- motors, 12- paddles, 13- assisting agitating apparatus, 14- connecting rods, 15- squares
Shape framework, 16- paddle a, 17- shaft, 18- conduits, 19- hothouses, 20- denitrfying agents bed, 21- catalyst beds, 22-
Air outlet pipe, 23- legs, 24- valves.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without creative efforts, belongs to
The scope of the utility model protection.
A kind of high efficiency equipment for denitrifying flue gas, including level-one denitration tank 1 and two level denitration tank 2；The level-one denitration tank 1 is left
The top of side wall is equipped with air inlet pipe 3, and the lower section at 3 middle part of the air inlet pipe is equipped with drainage conduit 4, the drainage conduit 4 and air inlet pipe 3
Contact site is transversely provided with baffle 5, and the lower section of the baffle 5 is equipped with fixed plate 6, passes through spring between the baffle 5 and fixed plate 6
7 are connected, and the contact site of the drainage conduit 4 and air inlet pipe 3 is longitudinally equipped with strainer 8, front end face and the row of the strainer 8
The inner wall of the right part of expects pipe 4 is conllinear, and the upper left side of the inside of the level-one denitration tank 1 is equipped with spray head 9, the level-one denitration tank
Left part inside 1 is equipped with partition plate 10, and the middle part of the bottom of the level-one denitration tank 1 is equipped with motor 11, the top of the motor 11
Equipped with paddle 12, the top of the paddle 12 is equipped with assisting agitating apparatus 13, and the assisting agitating apparatus 13 includes connection
Bar 14, rectangular box 15 and paddle a16, the rectangular box is arranged on by connecting rod 14 on the paddle 12, described
Paddle 12 is rice font structure, and the paddle a16 is arranged on the inside of the rectangular box, the level-one by shaft 17
It is connected between denitration tank 1 and two level denitration tank 2 by conduit 18, the middle part of the conduit 18 is equipped with hothouse 19, and described two
The inside of grade denitration tank 2 is equipped with denitrfying agent bed 20 and catalyst bed 21, the right side of the two level denitration tank 2 successively from top to bottom
The top of side wall is equipped with air outlet pipe 22, and the bottom of the level-one denitration tank 1 and two level denitration tank 2 is equipped with leg 23.
Specifically, the right side of the baffle 5 is arranged on by hinged mode on the inner wall of 4 right part of drainage conduit；Institute
The length value for stating partition plate 10 is equal to 0.9 times of height value of the level-one denitration tank 1；The spray head 9 is arranged on the partition plate
10 and level-one denitration tank 1 left part inner wall between；The left part of the conduit 18 and the right side wall of the level-one denitration tank 1
Top is connected, and the right part of the conduit 18 is connected with the lower part of the left side wall of the two level denitration tank 2；The hothouse
Quick lime is contained in 19；The air outlet pipe 22 is equipped with valve 24.
When carrying out denitration process to flue gas using the utility model, the top of air inlet pipe 3 offers strainer installing port, is used for
Strainer 8 is replaced in installation, flue gas is passed through in air inlet pipe 3, flue gas is after flowing into air inlet pipe 3, solid granule therein
Filtered out, and fall on baffle 5 by strainer 8, when solid particle when being above stacked into constant weight, can cause baffle 5 sink,
Solid granule on baffle 5 is flowed out from drainage conduit 4, and staff is collected with container, the fixation particle on baffle 5
All during discharge, transverse slat resets under the action of spring 7；Flue gas after the filtering of strainer 8 is flowed into level-one denitration tank 1, meeting
It is subject to spraying for the urea liquid in spray head 9, can so carries out preliminary denitration process to flue gas, then flue gas flows into level-one and takes off
The bottom of nitre tank 1, and from the urea liquid of 1 bottom of level-one denitration tank by, at this time motor 11 drive paddle 12 rotate,
Paddle 12 drives the paddle a16 in assisting agitating apparatus 13 to rotate so that urea liquid and cigarette inside level-one denitration tank 1
Gas comes into full contact with, and improves the efficiency of denitration, and when flue gas is flowed by conduit 18 in two level denitration tank 2, hothouse 19 is by moisture
It absorbs, removes the flue gas after moisture and pass through denitrfying agent bed 20 and catalyst (V successively2O5) bed 21, flue gas is successively and denitrfying agent
It is contacted with catalyst, denitration process is carried out to flue gas again, improves the denitration efficiency to flue gas, whole device causes to flue gas
Denitration efficiency it is very high, last gas is discharged from air outlet pipe 22.The utility model provides a kind of high efficiency denitrating flue gas dress
It puts, it is not only high to the denitration efficiency of flue gas；In addition, before denitration process is carried out to flue gas, moreover it is possible to by the solid in flue gas
Grain separated with gas, ensure that the denitration efficiency to flue gas, at the same avoid the solid particle in flue gas can remain in it is de-
The generation of the internal phenomena of nitre tank so that become fairly simple and conveniently when being cleaned to the inside of denitration tank.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or carry out equivalent substitution to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is not made to depart from the spirit and model of various embodiments of the utility model technical solution
It encloses.
Claims (7)
1. a kind of high efficiency equipment for denitrifying flue gas, including level-one denitration tank and two level denitration tank；It is characterized in that：The level-one takes off
The top of nitre tank left side wall is equipped with air inlet pipe, and the lower section in the middle part of the air inlet pipe is equipped with drainage conduit, the drainage conduit and air inlet pipe
Contact site be transversely provided with baffle, the lower section of the baffle is equipped with fixed plate, passes through spring phase between the baffle and fixed plate
The contact site of connection, the drainage conduit and air inlet pipe is longitudinally equipped with strainer, the front end face of the strainer and the right side of the drainage conduit
The inner wall in portion is conllinear, and the upper left side of the inside of the level-one denitration tank is equipped with spray head, the left part inside the level-one denitration tank
Equipped with partition plate, the middle part of the bottom of the level-one denitration tank is equipped with motor, and the top of the motor is equipped with paddle, the stirring
The top of leaf is equipped with assisting agitating apparatus, and the assisting agitating apparatus includes connecting rod, rectangular box and paddle a, the square
Shape framework is arranged on by connecting rod on the paddle, and the paddle is rice font structure, and the paddle a passes through shaft
The inside of the rectangular box is arranged on, is connected between the level-one denitration tank and two level denitration tank by conduit, it is described to lead
The middle part of pipe is equipped with hothouse, and the inside of the two level denitration tank is equipped with denitrfying agent bed and catalyst bed successively from top to bottom
Layer, the top of the right side wall of the two level denitration tank are equipped with air outlet pipe, and the bottom of the level-one denitration tank and two level denitration tank is equal
Equipped with leg.
2. a kind of high efficiency equipment for denitrifying flue gas according to claim 1, it is characterised in that：Pass through on the right side of the baffle
Hinged mode is arranged on the inner wall of the drainage conduit right part.
3. a kind of high efficiency equipment for denitrifying flue gas according to claim 1, it is characterised in that：Length value of the partition plate etc.
In 0.9 times of the height value of the level-one denitration tank.
4. a kind of high efficiency equipment for denitrifying flue gas according to claim 1, it is characterised in that：The spray head is arranged on institute
Between the inner wall for stating the left part of partition plate and level-one denitration tank.
5. a kind of high efficiency equipment for denitrifying flue gas according to claim 1, it is characterised in that：The left part of the conduit with
The top of the right side wall of the level-one denitration tank is connected, the right part of the conduit and the left side wall of the two level denitration tank
Lower part is connected.
6. a kind of high efficiency equipment for denitrifying flue gas according to claim 1, it is characterised in that：It is contained in the hothouse
Quick lime.
7. a kind of high efficiency equipment for denitrifying flue gas according to claim 1, it is characterised in that：The air outlet pipe is equipped with valve
Door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721186392.0U CN207371334U (en) | 2017-09-15 | 2017-09-15 | A kind of high efficiency equipment for denitrifying flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721186392.0U CN207371334U (en) | 2017-09-15 | 2017-09-15 | A kind of high efficiency equipment for denitrifying flue gas |
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| CN207371334U true CN207371334U (en) | 2018-05-18 |
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ID=62339995
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721186392.0U Active CN207371334U (en) | 2017-09-15 | 2017-09-15 | A kind of high efficiency equipment for denitrifying flue gas |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654370A (en) * | 2018-07-11 | 2018-10-16 | 安徽万山红环保科技有限公司 | A kind of catalyst reduction oxidation and denitration device |
| CN108905496A (en) * | 2018-08-14 | 2018-11-30 | 朋仁锋 | A kind of boiler waste gas treatment process |
| CN114210193A (en) * | 2021-12-21 | 2022-03-22 | 扬州鑫科环保成套设备有限公司 | Environment-friendly SNCR flue gas denitration device and denitration method |
-
2017
- 2017-09-15 CN CN201721186392.0U patent/CN207371334U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108654370A (en) * | 2018-07-11 | 2018-10-16 | 安徽万山红环保科技有限公司 | A kind of catalyst reduction oxidation and denitration device |
| CN108905496A (en) * | 2018-08-14 | 2018-11-30 | 朋仁锋 | A kind of boiler waste gas treatment process |
| CN108905496B (en) * | 2018-08-14 | 2020-09-04 | 湖南洁滤环保科技有限公司 | Boiler waste gas treatment process |
| CN114210193A (en) * | 2021-12-21 | 2022-03-22 | 扬州鑫科环保成套设备有限公司 | Environment-friendly SNCR flue gas denitration device and denitration method |
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