CN213790970U

CN213790970U - Efficient denitration device

Info

Publication number: CN213790970U
Application number: CN202022832500.5U
Authority: CN
Inventors: 林春侠; 宋长春; 王庚友; 吴学远
Original assignee: Shandong Haojie Environmental Engineering Co ltd
Current assignee: Shandong Haojie Environmental Engineering Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-07-27
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses an efficient denitration device, including going into the trachea, go into tracheal bottom fixedly connected with storage water tank, the top of storage water tank is kept away from into tracheal one side fixedly connected with air duct, and the inboard of air duct and storage water tank link up each other, the top side of air duct is close to the corner fixedly connected with ammonia shower nozzle of going into trachea one side, and the lateral wall that the ammonia shower nozzle runs through the air duct extends to the inboard, one side that the inside wall of air duct is close to the ammonia shower nozzle is provided with agitator fan, one side corner that the ammonia shower nozzle was kept away from on the top of air duct is provided with the inner chamber. The utility model discloses in, carry out water filtration and filter screen to the flue gas of just collecting and filter, be favorable to filtering the dust in the flue gas to in the efficiency of promotion denitration, the mixture of ammonia and flue gas with higher speed, and even throw the catalyst to the mist, in order to promote catalytic reaction efficiency, and then promote the efficiency of denitration.

Description

Efficient denitration device

Technical Field

The utility model relates to a denitration device technical field especially relates to an efficient denitration device.

Background

The importance of preventing environmental pollution in the process of removing nitrogen oxides from combustion flue gas has been pointed out as a worldwide problem, and the more mainstream processes in the world are: SCR and SNCR, which are not much different except that the reaction temperature is lower than SNCR due to the use of a catalyst for SCR, but if the investment of SCR is at least several times, even more than 10 times, that of SNCR from both the viewpoint of construction cost and operation cost;

at present, current denitration device is difficult to carry out abundant filtration to miscellaneous dirt in the flue gas when leading-in flue gas to lead to the catalyst to be difficult to fully catalyze, in addition, the catalyst in the current denitration device is difficult to fully mix with ammonia and catalyst, and then leads to denitration efficiency to be difficult to obtain promoting.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an efficient denitration device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an efficient denitration device comprises an air inlet pipe, wherein a water storage tank is fixedly connected to the bottom end of the air inlet pipe, an air guide pipe is fixedly connected to one side, far away from the air inlet pipe, of the top end of the water storage tank, the inner side of the air guide pipe is communicated with the inner side of the water storage tank, an ammonia sprayer is fixedly connected to the corner, close to one side of the air inlet pipe, of the top side of the air guide pipe, the ammonia sprayer penetrates through the outer side wall of the air guide pipe and extends to the inner side, a stirring fan is arranged on one side, close to the ammonia sprayer, of the inner side of the air guide pipe, an inner cavity is arranged at the corner, far away from the ammonia sprayer, of the top end of the inner cavity, the inner cavity is communicated with the inner side of the air guide pipe, a driving motor is fixedly connected to the middle position of the top end of the inner cavity, the output of the driving motor penetrates through the top end of the inner cavity and extends to the inner side and is fixedly connected with stirring fan blades, a material guide cover is arranged on the top side of the stirring fan blades, and driving motor's output shaft run through the interior diapire of guide cover and with between the guide cover fixed connection, the bottom side of guide cover evenly is provided with a plurality of row of material mouths, one side fixedly connected with catalyst shower nozzle that the top of inner chamber is close to driving motor, and the surface of inner chamber is run through and extend to the interior top side of guide cover to the bottom of catalyst shower nozzle, the bottom edge fixedly connected with ejection of compact cover of inner chamber, the inside wall of ejection of compact cover evenly is provided with a plurality of homocline baffles, the position that the interior bottom side of air duct corresponds the inner chamber is provided with the grid.

As a further description of the above technical solution:

the bottom end of the air inlet pipe penetrates through the top end of the water storage tank and extends to the inner bottom side.

As a further description of the above technical solution:

and a filter screen is arranged on one side of the stirring fan close to the ammonia gas nozzle.

As a further description of the above technical solution:

the inner top end of the inner cavity is fixedly connected with a supporting cover, and the material guide cover is rotatably connected with the supporting cover.

As a further description of the above technical solution:

one end of the air duct far away from the water storage tank is fixedly connected with an air outlet.

As a further description of the above technical solution:

the outer side wall of the water storage tank is fixedly connected with a tank door through a bolt.

The utility model discloses following beneficial effect has:

1. this efficient denitration device carries out water filtration and filter screen to the flue gas of just collecting and filters, is favorable to filtering the dust in the flue gas to be convenient for promote the efficiency of denitration.

2. This efficient denitration device accelerates the mixture of ammonia and flue gas to and even throw the catalyst into mist, so that promote catalytic reaction efficiency, and then promote the efficiency of denitration.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the water storage tank of the present invention;

fig. 3 is a schematic structural diagram of a position a of the present invention.

Illustration of the drawings: 1. entering an air pipe; 2. a water storage tank; 3. an air duct; 4. an ammonia gas nozzle; 5. a stirrer fan; 6. a filter screen; 7. an inner cavity; 8. a drive motor; 9. a support housing; 10. a material guiding cover; 11. a discharge nozzle; 12. stirring fan blades; 13. a catalyst spray head; 14. a discharge cover; 15. a material homogenizing baffle; 16. a grid; 17. an exhaust port; 18. and (4) a box door.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: an efficient denitration device comprises an air inlet pipe 1, a water storage tank 2 is fixedly connected to the bottom end of the air inlet pipe 1, an air guide pipe 3 is fixedly connected to one side, far away from the air inlet pipe 1, of the top end of the water storage tank 2, the air guide pipe 3 is communicated with the inner side of the water storage tank 2, an ammonia sprayer 4 is fixedly connected to a corner, close to one side of the air inlet pipe 1, of the top side of the air guide pipe 3, the ammonia sprayer 4 penetrates through the outer side wall of the air guide pipe 3 and extends to the inner side, a stirring fan 5 is arranged on one side, close to the ammonia sprayer 4, of the inner side wall of the air guide pipe 3, an inner cavity 7 is arranged at a corner, far away from the ammonia sprayer 4, of the top end of the air guide pipe 3, a driving motor 8 is fixedly connected to the middle position of the top end of the inner cavity 7, an output of the driving motor 8 penetrates through the top end of the inner cavity 7 and extends to the inner side and is fixedly connected with stirring fan blades 12, a material guide cover 10 is arranged on the top side of the stirring fan blades 12, and the output shaft of driving motor 8 runs through the interior diapire of guide cover 10 and with between the guide cover 10 fixed connection, the bottom side of guide cover 10 evenly is provided with a plurality of row of material mouths 11, one side fixedly connected with catalyst shower nozzle 13 that the top of inner chamber 7 is close to driving motor 8, and the bottom of catalyst shower nozzle 13 runs through the surface of inner chamber 7 and extends to the interior top side of guide cover 10, the bottom edge fixedly connected with ejection of compact cover 14 of inner chamber 7, the inside wall of ejection of compact cover 14 evenly is provided with a plurality of homocline baffles 15, the position that the interior bottom side of air duct 3 corresponds inner chamber 7 is provided with grid 16.

The bottom of income trachea 1 runs through the top that storage water tank 2 and extends to interior bottom side, is convenient for make the leading-in submarine of leading-in flue gas in the income trachea 1, and at the in-process that gas ran out from the aquatic for the dust in the flue gas can be comparatively abundant by the water attached filtration.

One side that stirrer fan 5 is close to ammonia shower nozzle 4 is provided with filter screen 6, is convenient for carry out stopping of certain degree to ammonia and flue gas, is favorable to preliminary mixing between ammonia and the flue gas, and filter screen 6 can also play certain dirt effect of straining simultaneously.

The inner top end of the inner cavity 7 is fixedly connected with a supporting cover 9, the material guide cover 10 is rotatably connected with the supporting cover 9, and the supporting cover 9 can be used for supporting and limiting the material guide cover 10 and the stirring fan blades 12.

One end of the air duct 3, which is far away from the water storage tank 2, is fixedly connected with an air outlet 17, so that the air in the air duct 3 can be conveniently discharged.

The outer side wall of the water storage tank 2 is fixedly connected with a tank door 18 through a bolt, so that the inside of the water storage tank 2 can be cleaned conveniently by detaching the tank door 18.

The working principle is as follows: when an efficient denitration device is used, smoke led into the water storage tank 2 through the air inlet pipe 1 is directly led into the water bottom, dust in the smoke can be sufficiently attached to water and filtered in the process that the gas escapes from the water, so that the effect of cleaning the gas is achieved, the gas entering the air guide pipe 3 is firstly preliminarily mixed with ammonia sprayed by the ammonia spray head 4 and is more sufficiently and thoroughly mixed under the stirring of the stirring fan 5 so as to be convenient for denitration, the mixed gas is gradually moved to the bottom side of the inner cavity 7 along the air guide pipe 3, meanwhile, the catalyst used for denitration is injected into the material guide cover 10 from the catalyst spray head 13, the material guide cover 10 and the stirring fan blades 12 are driven by the driving motor 8 to rapidly rotate, the catalyst in the material guide cover 10 is gradually discharged to the stirring fan blades 12 through the discharge nozzle 11 and is discharged to the discharge cover 14 through the stirring fan blades 12, the catalyst equally divides down the equal sharing of homocline baffle 15 in ejection of compact cover 14 and all mixes with mist to in catalyze the denitration process, the mist is discharged through gas vent 17 after the denitration, makes to have certain practicality.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. An efficient denitration device, includes admission pipe (1), its characterized in that: the bottom fixedly connected with storage water tank (2) of income trachea (1), one side fixedly connected with air duct (3) of going into trachea (1) is kept away from on the top of storage water tank (2), and air duct (3) link up each other with the inboard of storage water tank (2), the top side of air duct (3) is close to corner fixedly connected with ammonia shower nozzle (4) of going into trachea (1) one side, and ammonia shower nozzle (4) run through the lateral wall of air duct (3) and extend to the inboard, one side that the inside wall of air duct (3) is close to ammonia shower nozzle (4) is provided with agitator fan (5), one side corner that ammonia shower nozzle (4) was kept away from on the top of air duct (3) is provided with inner chamber (7), inner chamber (7) link up each other with the inboard of air duct (3), the top intermediate position fixedly connected with driving motor (8) of inner chamber (7), the output of the driving motor (8) penetrates through the top end of the inner cavity (7) to extend to the inner side and is fixedly connected with stirring fan blades (12), the top side of each stirring fan blade (12) is provided with a material guide cover (10), and the output shaft of the driving motor (8) penetrates through the inner bottom wall of the material guiding cover (10) and is fixedly connected with the material guiding cover (10), a plurality of discharging nozzles (11) are uniformly arranged on the bottom side of the material guide cover (10), a catalyst spray head (13) is fixedly connected to one side of the top end of the inner cavity (7) close to the driving motor (8), the bottom end of the catalyst spray head (13) penetrates through the outer surface of the inner cavity (7) and extends to the inner top side of the material guide cover (10), the bottom end edge of the inner cavity (7) is fixedly connected with a discharging cover (14), a plurality of material homogenizing baffles (15) are uniformly arranged on the inner side wall of the discharging cover (14), a grid (16) is arranged at the inner bottom side of the air duct (3) corresponding to the inner cavity (7).

2. The high-efficiency denitration apparatus according to claim 1, wherein: the bottom end of the air inlet pipe (1) penetrates through the top end of the water storage tank (2) and extends to the inner bottom side.

3. The high-efficiency denitration apparatus according to claim 1, wherein: and a filter screen (6) is arranged on one side of the stirring fan (5) close to the ammonia gas nozzle (4).

4. The high-efficiency denitration apparatus according to claim 1, wherein: the inner top end of the inner cavity (7) is fixedly connected with a supporting cover (9), and the material guide cover (10) is rotatably connected with the supporting cover (9).

5. The high-efficiency denitration apparatus according to claim 1, wherein: one end of the air duct (3) far away from the water storage tank (2) is fixedly connected with an exhaust port (17).

6. The high-efficiency denitration apparatus according to claim 1, wherein: the outer side wall of the water storage tank (2) is fixedly connected with a tank door (18) through a bolt.